cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Wave function of a photon produced in the resonant scattering of twisted light by relativistic ions
Creators: name: Karlovets, Dmitry V.
name: Serbo, Valeriy G.
name: Surzhykov, Andrey
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Atomic Physics (physics.atom-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a theoretical investigation of the resonant elastic scattering of twisted light, carrying angular momentum, by partially stripped ions. Special emphasis is placed on a question of whether the scattered radiation is also twisted. In order to investigate such an "angular momentum transfer", we develop an approach that allows us to find a quantum state of the final photon without projecting it onto a detector state. A general expression for this so--called \textit{evolved} state of outgoing radiation is derived and it can be used to analyze the resonant scattering by any ion, independently of its shell structure. Here, we illustrate our approach with the strong electric dipole $n S_{0} \to n' P_{1} \to n S_{0}$ transitions, which play an important role for the Gamma Factory project at CERN. For the incident Bessel light, the scattered radiation is shown to be in a superposition of twisted modes with the projections of the total angular momentum $m_f = 0, \pm 1$. The larger values of $m_f$ can be efficiently generated by inducing transitions of higher multiplicity. This angular momentum transfer, together with a remarkable cross section that is many orders of magnitude larger than that of the backward Compton scattering, makes the resonant photon scattering an effective tool for the production of twisted x-- and even gamma--rays at the Gamma Factory facility.
description: 10 pages, 1 figure
Upper Limit on Brackett-gamma Emission from the Immediate Accretion Flow onto the Galactic Black Hole
Creators: name: Ciurlo, Anna
name: Morris, Mark R.
name: Campbell, Randall D.
name: Ghez, Andrea M.
name: Do, Tuan
name: Chu, Devin S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the first observational constraint on the Br-gamma recombination line emission associated with the supermassive black hole at the center of our Galaxy, known as Sgr A*. By combining 13 years of data with the Adaptive Optics fed integral field spectrograph OSIRIS at the W. M. Keck Observatory obtained as part of the Galactic Center Orbits Initiative, we extract the near-infrared spectrum within ~0.2'' of the black hole and we derive an upper limit on the Br-gamma flux. The aperture was set to match the size of the disk-like structure that was recently reported based on millimeter-wave ALMA observations of the hydrogen recombination line, H30-alpha. Our stringent upper limit is at least a factor of 80 (and up to a factor of 245) below what would be expected from the ALMA measurements and strongly constrains possible interpretation of emission from this highly under-luminous supermassive black hole.
description: Accepted by ApJ
Measurement of the $B^{0}_{s}$ Lifetime Using Semileptonic Decays
Creators: name: D0 Collaboration
name: Abazov, V. M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report a measurement of the $B^0_{s}$ lifetime in the semileptonic decay channel $B^0_{s}\to D^-_s μ^{+}νX$ (and its charge conjugate), using approximately 0.4 fb$^{-1}$ of data collected with the D0 detector during 2002 -- 2004. We have reconstructed 5176 $D^-_s μ^{+}$ signal events, where the $D_s^-$ is identified via the decay $D_s^-\to ϕπ^-$, followed by $ϕ\to K^+ K^-$. Using these events, we have measured the $B^0_s$ lifetime to be $τ(B^0_{s}) = 1.398 \pm 0.044$ $({stat}) ^{+0.028}_{-0.025}$ $({syst}) {ps}$. This is the most precise measurement of the $B_s^0$ lifetime to date.
description: To appear in Phys. Rev. Lett., 7 pages, 2 figures
Study of nucleon resonances with electromagnetic interactions
Creators: name: Lee, T. -S. H.
name: Smith, L. C.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Recent developments in using electromagnetic meson production reactions to study the structure of nucleon resonances are reviewed. Possible future works are discussed.
description: 25 pages, 19 figures
Η τηλεοπτική βία και η επίδρασή της στις ηθικές αξίες του παιδιού
Creators: name: Μοναστηρίδου, Αικατερίνη Μιχαήλ
Publisher: name: Aristotle University of Thessaloniki
Year: 2017
Subjects: Τηλεοπτική βία
Διαμόρφωση ηθικών αξιών
Ηθικές αξίες παιδιού
Teleoptic violence
Formulation of moral values
Children’s moral values

description: Σκοπός της διατριβής ήταν η μελέτη της επίδρασης της τηλεοπτικής βίας στις ηθικές αξίες του παιδιού. Αρχικά, εξετάσαμε την έννοια ηθικές αξίες, τα στάδια της ηθικής ανάπτυξης του παιδιού και τον τρόπο διαμόρφωσης ηθικών αξιών στα στάδια αυτά. Στη συνέχεια, μελετήσαμε αναλυτικά τον τρόπο επίδρασης των ΜΜΕ στη μετάδοση μηνυμάτων και στη διαμόρφωση ηθικών αξιών. Μετά, αναφερθήκαμε στην επιθετικότητα και στη βία, στις θεωρίες ερμηνείας τους, στα αίτιά τους και στους τρόπους αντιμετώπισής τους. Κατόπιν, εξετάσαμε αναλυτικά τις επιδράσεις της τηλεόρασης και ειδικά της τηλεοπτικής βίας στη διαμόρφωση ηθικών αξιών και στην εκμάθηση συμπεριφορών. Αναφερθήκαμε στις θεωρίες ερμηνείας των επιδράσεων της τηλεοπτικής βίας στην επιθετικότητα του παιδιού και κάναμε προτάσεις για την αντιμετώπιση των επιδράσεων της τηλεοπτικής βίας. Στη συνέχεια, μελετήσαμε τη διδασκαλία των Πατέρων της Εκκλησίας για τα θεάματα της εποχής τους, τα οποία περιήχαν βία, καθώς και τι προτείνει η χριστιανική διδασκαλία για την αντιμετώπιση της τηλεοπτικής βίας. Τέλος, αναφερθήκαμε στο ρόλο της Εκκλησίας στην αντιμετώπιση του φαινομένου της τηλεοπτικής βίας.
description: The main purpose of this thesis was studying the influence of teleoptic violence on children’s moral values. Firstly, we examined the concept of moral values, the stages of moral development of a child and the way moral values formulate throughout these stages. We carried on with studying thoroughly the way multi-media affect the conveyance of messages and the formulation of moral values. Furthermore, there was reference to aggressiveness and violence, their interpretation theories, their causes and ways of dealing with these phenomena. We also examined in detail the effects of television, specially teleoptic violence on formulating moral values and on behavioural learning. We referred to interpretation theories of the effects of teleoptic violence on child aggressiveness, making suggestions at the same time for dealing with the influence of teleoptic violence. We also studied not only what Church Fathers have taught about the spectacles of their time which included violence, but also what christian teaching suggests for dealing with teleoptic violence. Last but not least, we made a reference to the role what the Church has on dealing with the teleoptic phenomenon.
Variational quantum algorithm for molecular geometry optimization
Creators: name: Delgado, Alain
name: Arrazola, Juan Miguel
name: Jahangiri, Soran
name: Niu, Zeyue
name: Izaac, Josh
name: Roberts, Chase
name: Killoran, Nathan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Classical algorithms for predicting the equilibrium geometry of strongly correlated molecules require expensive wave function methods that become impractical already for few-atom systems. In this work, we introduce a variational quantum algorithm for finding the most stable structure of a molecule by explicitly considering the parametric dependence of the electronic Hamiltonian on the nuclear coordinates. The equilibrium geometry of the molecule is obtained by minimizing a more general cost function that depends on both the quantum circuit and the Hamiltonian parameters, which are simultaneously optimized at each step. The algorithm is applied to find the equilibrium geometries of the $\mathrm{H}_2$, $\mathrm{H}_3^+$, $\mathrm{BeH}_2$ and $\mathrm{H}_2\mathrm{O}$ molecules. The quantum circuits used to prepare the electronic ground state for each molecule were designed using an adaptive algorithm where excitation gates in the form of Givens rotations are selected according to the norm of their gradient. All quantum simulations are performed using the PennyLane library for quantum differentiable programming. The optimized geometrical parameters for the simulated molecules show an excellent agreement with their counterparts computed using classical quantum chemistry methods.
description: 7 pages, 4 figures, 1 codeblock
Exciton-Photonics: From Fundamental Science to Applications
Creators: name: Anantharaman, Surendra B.
name: Jo, Kiyoung
name: Jariwala, Deep
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Semiconductors in all dimensionalities ranging from 0D quantum dots and molecules to 3D bulk crystals support bound electron-hole pair quasiparticles termed as excitons. Over the past two decades, the emergence of a variety of low-dimensional semiconductors that support excitons combined with advances in nano-optics and photonics has burgeoned a new area of research that focuses on engineering, imaging, and modulating coupling between excitons and photons, resulting in the formation of hybrid-quasiparticles termed exciton-polaritons. This new area has the potential to bring about a paradigm shift in quantum optics, as well as classical optoelectronic devices. Here, we present a review on the coupling of light in excitonic semiconductors and investigation of the unique properties of these hybrid quasiparticles via both far-field and near-field imaging and spectroscopy techniques. Special emphasis is laid on recent advances with critical evaluation of the bottlenecks that plague various materials towards practical device implementations including quantum light sources. Our review highlights a growing need for excitonic materials development together with optical engineering and imaging techniques to harness the utility of excitons and their host materials for a variety of applications.
description: review article. 9 figures
Gradient flow exact renormalization group -- inclusion of fermion fields
Creators: name: Miyakawa, Yuki
name: Suzuki, Hiroshi
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: The gradient flow exact renormalization group (GFERG) is an exact renormalization group motivated by the Yang--Mills gradient flow and its salient feature is a manifest gauge invariance. We generalize this GFERG, originally formulated for the pure Yang--Mills theory, to vector-like gauge theories containing fermion fields, keeping the manifest gauge invariance. For the chiral symmetry we have two options: one possible formulation preserves the conventional form of the chiral symmetry and the other simpler formulation realizes the chiral symmetry in a modified form à la Ginsparg--Wilson. We work out a gauge-invariant local Wilson action in quantum electrodynamics to the lowest nontrivial order of perturbation theory. This Wilson action reproduces the correct axial anomaly in~$D=2$.
description: 23 pages, the final version to appear in PTEP
Cooperative Gating and Spatial Organization of Membrane Proteins through Elastic Interactions
Creators: name: Ursell, Tristan
name: Huang, Kerwyn
name: Peterson, Eric
name: Phillips, Rob
Publisher: name: arXiv
Year: 2007
Subjects: subject: Subcellular Processes (q-bio.SC)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Biological sciences

description: Biological membranes are elastic media in which the presence of a transmembrane protein leads to local bilayer deformation. The energetics of deformation allow two membrane proteins in close proximity to influence each other's equilibrium conformation via their local deformations, and spatially organize the proteins based on their geometry. We use the mechanosensitive channel of large conductance (MscL) as a case study to examine the implications of bilayer-mediated elastic interactions on protein conformational statistics and clustering. The deformations around MscL cost energy on the order of 10 kT and extend ~3nm from the protein edge, as such elastic forces induce cooperative gating and we propose experiments to measure these effects. Additionally, since elastic interactions are coupled to protein conformation, we find that conformational changes can severely alter the average separation between two proteins. This has important implications for how conformational changes organize membrane proteins into functional groups within membranes.
description: 12 pages, 6 figures, 63 references, submitted to PLoS Computational Biology
Unfälle vermeiden - im Notfall helfen
Creators: name: Gesundheitsamt Frankfurt am Main
Publisher: name: Zenodo
Year: 2025
Subjects: Stürze
Unfälle
Notfall
Hilfe
Tipps
Tricks
Notfallnummern
Verletzungen
Verbrühung
Verbrennung
Vergiftung
Verschlucken
Atemwege
Ertrinken
Kinder
Säuglinge
Kleinkinder
Jugendliche
Strangulation
Ersticken
Elektrounfall
Pseudokrupp
Fieberkrampf
Plötzlicher Kindstod
SIDS
Schütteltrauma
Bewusstlosigkeit

description: Tipps und Tricks rund um das Thema Unfälle von Säuglingen, Kleinkindern, Kindern und Jugendlichen. Was ist zu tun? Wie sollte man sich verhalten? Mit wichtigen Telefonnummern für den Notfall.
Η επιχειρηματική πολιτική ως περιεχόμενο συλλογικών συμβάσεων εργασίας και ως απεργιακό αίτημα
Creators: name: Παπαδοπούλου, Δήμητρα Εμμανουήλ
Publisher: name: Aristotle University of Thessaloniki
Year: 2017
Subjects: Επιχειρηματική πολιτική
Συλλογικές σθμβάσεις εργασίας
Απεργιακό αίτημα
Business policy
Collective labor agreements
Strike demand

description: Αντικείμενο της παρούσας διπλωματικής εργασίας είναι η εξέταση του ζητήματος εάν θέματα επιχειρηματικής πολιτικής του εργοδότη μπορούν να αποτελέσουν περιεχόμενο συλλογικών συμβάσεων εργασίας και νόμιμο απεργιακό αίτημα. Στο πλαίσιο αυτής της διερεύνησης, η εργασία οργανώνεται σε τρία μέρη. Στο πρώτο μέρος εξετάζεται η δυνατότητα ρύθμισης ζητημάτων σχετικών με την άσκηση της επιχειρηματικής πολιτικής με συλλογικές συμβάσεις εργασίας. Στο δεύτερο μέρος εξετάζεται, ειδικότερα, το ζήτημα των απολύσεων για οικονομικοτεχνικούς λόγους ως επιχειρηματική απόφαση του εργοδότη και η ύπαρξη δυνατότητας προβλέψεως εγγυήσεων υπέρ της διατήρησης της θέσης εργασίας των εργαζομένων με νόμο και συλλογικές συμβάσεις εργασίας. Τέλος, στο τρίτο μέρος, εξετάζεται η νομιμότητα απεργιακών αιτημάτων με περιεχόμενο ζητήματα επιχειρηματικής πολιτικής του εργοδότη. Με την παρούσα μελέτη γίνεται μία προσπάθεια καταγραφής των διαφορετικών ερμηνειών της διάταξης του άρθρου 2 περ. 4 του Ν. 1876/1990, που υφίστανται τόσο στο χώρο της θεωρίας όσο και στο χώρο της νομολογίας, με σκοπό να προκριθεί η συμβιβαστικότερη των αντικρουόμενων συνταγματικών δικαιωμάτων των μερών, ήτοι της συλλογικής αυτονομίας και συνδικαλιστικής ελευθερίας των εργαζομένων από τη μία πλευρά και της επιχειρηματικής ελευθερίας του εργοδότη από την άλλη.
description: The subject of this thesis is the survey of the topic, whether employer business policy issues can be a content of collective labor agreements and a legal strike demand. In the context of this investigation, the study is organized in three parts. In the first part is examined the ability of employer business policy issues to be regulated via collective labor agreements. In the second part is examined, in particular, the issue of dismissals for economic and technical reasons as a business decision of the employer and the existence of the potential to provide guarantees for the maintenance of the work positions of the employees via law and collective labor agreements. In the third part, is examined the legality of strike demands which have as a content employer business policy issues. This study attempts to record the different interpretations of the article 2 nr. 4 of law 1876/1990, which exist both in theory and in case law in order to prefer and suggest the one that reconciles as much as possible the conflicting constitutional rights of collective autonomy and unionist freedom of the employees on one side and business freedom of the employer from the other side.
Improving depression and anxiety screening of patients with heart disease: implementing a multidisciplinary Clinical Pathway
Creators: name: Rahman, Muhammad Aziz
name: Worrall-Carter, Linda
Publisher: name: Australian Catholic University
Year: 2008

description: Data collected at St Vincent’s Public Hospital (STV) (Melbourne) cardiac wards over 3 years, 2008-2010 (212 patients). This study was aimed at improving the screening of depression and anxiety in patients with coronary heart disease (CHD), through implementation of a model of care including examining the effectiveness of a clinical pathway in patients following admission for an acute cardiac event. Based on a collaboration with “Beyond Blue”, Professor Patricia Davidson (Curtin University) and Dr Steve Bunker (Medibank Private).
Hidden-bottom hadronic decays of $Υ(10753)$ with a $η^{(\prime)}$ or $ω$ emission
Creators: name: Li, Yu-Shuai
name: Bai, Zi-Yue
name: Huang, Qi
name: Liu, Xiang
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: In this work, we propose the $4S$-$3D$ mixing scheme to assign the $Υ(10753)$ into the conventional bottomonium family. Under this interpretation, we further study its hidden-bottom hadronic decays with a $η^{(\prime)}$ or $ω$ emission, which include $Υ(10753)\toΥ(1S)η^{(\prime)}$, $Υ(10753)\to h_{b}(1P)η$ and $Υ(10753)\toχ_{bJ}ω$ ($J$=0,1,2) processes. Since the $Υ(10753)$ is above the $B\bar{B}$ threshold, the coupled-channel effect cannot be ignored, thus, when calculating partial decay widths of these $Υ(10753)$ hidden-bottom decays, we apply the hadronic loop mechanism. Our result shows that these discussed decay processes own considerable branching fractions with the order of magnitude of $10^{-4}\sim 10^{-3}$, which can be accessible at Belle II and other future experiments.
description: 10 pages, 6 figures and 1 table. Accepted by Phys. Rev. D
Measurement of direct photon production in p + p collisions at sqrt(s) = 200 GeV
Creators: name: PHENIX Collaboration
name: Adler, S. S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Cross sections for mid-rapidity production of direct photons in p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are reported for 3 < p_T < 16 GeV/c. Next-to-leading order (NLO) perturbative QCD (pQCD) describes the data well for p_T > 5 GeV/c, where the uncertainties of the measurement and theory are comparable. We also report on the effect of requiring the photons to be isolated from parton jet energy. The observed fraction of isolated photons is well described by pQCD for p_T > 7 GeV/c.
description: 330 authors, 6 pages text, 3 figures, one table. Submitted to Phys. Rev. Lett. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html
A simple proof of monogamy of entanglement
Creators: name: Yang, Dong
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Monogamy of entanglement means that an entangled state cannot be shared with many parties. The more parties, the less entanglement between them. In this paper, we give a simple proof of this property and provide an upper bound of the number of parties.
description: The published version. Minor changes
Coulomb scattering in the Born approximation and the use of generalized functions
Creators: name: Collas, Peter
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: We discuss three ways of obtaining the Born approximations for Coulomb scattering: The standard way, making use of a convergence factor ("screening"), Oppenheimer's way using cylindrical (instead of spherical) coordinates, and finally Landau and Lifshitz' way. The last one although it does require some background from the theory of generalized functions is nevertheless a very instructive and important technique deserving more exposure to physicists.
description: Submitted to the American Journal of Physics
A study of interactions occurring during drawing classes in three elementary grades
Creators: name: Allingham, Judy Lynn
Publisher: name: University of British Columbia
Year: 2009

description: Art teachers have inherited unreconciled attitudes toward the teaching of drawing, which stem from an unresolved conflict between interventionists and non-interventionists. The resulting fragmentation of teaching practises is further confounded by consideration of the "crisis in confidence" period of drawing development that surfaces in grade four. In an effort to provide a clearer definition of the teacher's role in the drawing class, this study examined the practises of four exemplary art specialists^ Descriptive research techniques were employed in the observation of 27 drawing lessons, nine each at the grade two, four and six levels. Recorded dialogue was analyzed using Kakas' Peer Interaction Typology and Clements' Questioning Typology, and it was found that peers at all grades spoke most often about their own drawing experiences or artwork, and that teachers used mostly indirect questioning strategies when interacting with students. Data collected regarding initiators of interactions revealed that with increasing age came decreasing amounts of student initiated interaction, together with increasing amounts of teacher initiated interaction. It was also found that there was a paucity of peer interaction at the grade four level, and that in-process viewing of peers' artwork was an important component of the drawing lesson. Within a supportive environment, interaction generally ranged from neutral to positive.
An Estimation of Distribution Algorithm for Nurse Scheduling
Creators: name: Aickelin, Uwe
name: Li, Jingpeng
Publisher: name: arXiv
Year: 2008
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: FOS: Computer and information sciences

description: Schedules can be built in a similar way to a human scheduler by using a set of rules that involve domain knowledge. This paper presents an Estimation of Distribution Algorithm (eda) for the nurse scheduling problem, which involves choosing a suitable scheduling rule from a set for the assignment of each nurse. Unlike previous work that used Genetic Algorithms (ga) to implement implicit learning, the learning in the proposed algorithm is explicit, i.e. we identify and mix building blocks directly. The eda is applied to implement such explicit learning by building a Bayesian network of the joint distribution of solutions. The conditional probability of each variable in the network is computed according to an initial set of promising solutions. Subsequently, each new instance for each variable is generated by using the corresponding conditional probabilities, until all variables have been generated, i.e. in our case, a new rule string has been obtained. Another set of rule strings will be generated in this way, some of which will replace previous strings based on fitness selection. If stopping conditions are not met, the conditional probabilities for all nodes in the Bayesian network are updated again using the current set of promising rule strings. Computational results from 52 real data instances demonstrate the success of this approach. It is also suggested that the learning mechanism in the proposed approach might be suitable for other scheduling problems.
Description: Traditional crops
Creators: name: Ballesteros Sebastián, Brígida Dominga
name: Robertson, Allegra
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: ame

description: Brígida describes a variety of traditional crops. This bundle contains the original Yánesha' text, followed by a summary of the text in Spanish. Due to a technical issue, the beginning of the Yánesha' text was lost. See corresponding field notes on page 43.

Brígida describe varios cultivos tradicionales. El archivo contiene el texto original en yánesha', seguido por un resumen del texto en español. El inicio del texto yánesha' fue perdido por razones técnicas. Busque las notas correspondientes en la página 43.
Be your own Benchmark: No-Reference Trajectory Metric on Registered Point Clouds
Creators: name: Kornilova, Anastasiia
name: Ferrer, Gonzalo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: This paper addresses the problem of assessing trajectory quality in conditions when no ground truth poses are available or when their accuracy is not enough for the specific task - for example, small-scale mapping in outdoor scenes. In our work, we propose a no-reference metric, Mutually Orthogonal Metric (MOM), that estimates the quality of the map from registered point clouds via the trajectory poses. MOM strongly correlates with full-reference trajectory metric Relative Pose Error, making it a trajectory benchmarking tool on setups where 3D sensing technologies are employed. We provide a mathematical foundation for such correlation and confirm it statistically in synthetic environments. Furthermore, since our metric uses a subset of points from mutually orthogonal surfaces, we provide an algorithm for the extraction of such subset and evaluate its performance in synthetic CARLA environment and on KITTI dataset. The code of the proposed metric is publicly available as pip-package.
description: Accepted for the 10th European Conference on Mobile Robots (ECMR 2021)
Bioenergetics modelling to analyse and predict the joint effects of multiple stressors: Meta-analysis and model corroboration
Creators: name: Goussen, Benoit
name: Rendal, Cecilie
name: Sheffield, David
name: Butler, Emma
name: Price, Oliver R.
name: Ashauer, Roman
Publisher: name: arXiv
Year: 2021
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Applications (stat.AP)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: Understanding the consequences of the combined effects of multiple stressors-including stress from man-made chemicals is important for conservation management, the ecological risk assessment of chemicals, and many other ecological applications. Our current ability to predict and analyse the joint effects of multiple stressors is insufficient to make the prospective risk assessment of chemicals more ecologically relevant because we lack a full understanding of how organisms respond to stress factors alone and in combination. Here, we describe a Dynamic Energy Budget (DEB) based bioenergetics model that predicts the potential effects of single or multiple natural and chemical stressors on life history traits. We demonstrate the plausibility of the model using a meta-analysis of 128 existing studies on freshwater invertebrates. We then validate our model by comparing its predictions for a combination of three stressors (i.e. chemical, temperature, and food availability) with new, independent experimental data on life history traits in the daphnid Ceriodaphnia dubia. We found that the model predictions are in agreement with observed growth curves and reproductive traits. To the best of our knowledge, this is the first time that the combined effects of three stress factors on life history traits observed in laboratory studies have been predicted successfully in invertebrates. We suggest that a re-analysis of existing studies on multiple stressors within the modelling framework outlined here will provide a robust null model for identifying stressor interactions, and expect that a better understanding of the underlying mechanisms will arise from these new analyses. Bioenergetics modelling could be applied more broadly to support environmental management decision making.
description: 10 pages
The evolution of galaxy groups and of galaxies therein
Creators: name: Mamon, Gary A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Properties of groups of galaxies depend sensitively on the algorithm for group selection, and even the most recent catalogs of groups built from redshift-space selection should suffer from projections and infalling galaxies. The cosmo-dynamical evolution of groups from initial Hubble expansion to collapse and virialization leads to a fundamental track (FT) in virial-theorem-M/L vs crossing time. The increased rates of mergers, both direct and after dynamical friction, in groups relative to clusters, explain the higher fraction of elliptical galaxies at given local number density in X-ray selected groups, relative to clusters, even when the hierarchical evolution of groups is considered. Galaxies falling into groups and clusters should later travel outwards to typically 2 virial radii, which is somewhat less than the outermost radius where observed galaxy star formation efficiencies are enhanced relative to field galaxies of same morphological type. An ongoing analysis of the internal kinematics of X-ray selected groups suggests that the radial profiles of line of sight velocity dispersion are consistent with isotropic NFW distributions for the total mass density, with higher (lower) concentrations than LambdaCDM predictions in groups of high (low) mass. The critical mass, at M200 ~ 10^13 M_sun is consistent with possible breaks in the X-ray luminosity-temperature and Fundamental Plane relations. The internal kinematics of groups indicate that the M-T relation of groups should agree with that extrapolated from clusters with no break at the group scale. The analyses of observed velocity dispersion profiles and of the FT both suggest that low velocity dispersion groups (compact and loose, X-ray emitting or undetected) are quite contaminated by chance projections.
description: Invited review, ESO workshop "Groups of Galaxies in the Nearby Universe", held in Santiago, Chile, 5-9 December 2005, ed. I. Saviane, V. Ivanov & J. Borissova, 16 pages
Degeneracy patterns of chiral companions at finite temperature
Creators: name: Torres-Rincon, Juan M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Chiral symmetry represents a fundamental concept lying at the core of particle and nuclear physics. Its spontaneous breaking in vacuum can be exploited to distinguish chiral hadronic partners, whose masses differ. In fact, the features of this breaking serve as guiding principles for the construction of effective approaches of QCD at low energies, e.g., the chiral perturbation theory, the linear sigma model, the (Polyakov)--Nambu--Jona-Lasinio model, etc. At high temperatures/densities chiral symmetry can be restored bringing the chiral partners to be nearly degenerated in mass. At vanishing baryochemical potential, such restoration follows a smooth transition, and the chiral companions reach this degeneration above the transition temperature. In this work I review how different realizations of chiral partner degeneracy arise in different effective theories/models of QCD. I distinguish the cases where the chiral states are either fundamental degrees of freedom or (dynamically-generated) composed states. In particular, I discuss the intriguing case in which chiral symmetry restoration involves more than two chiral partners, recently addressed in the literature.
description: 34 pages, 12 figures. Published version in Symmetry journal, Special Issue "Advances on Chiral Symmetry and Its Restoration". Typos corrected and new references added
Additional file 1 of Measurement properties of the Dutch–Flemish patient-reported outcomes measurement information system (PROMIS) physical function item bank and instruments: a systematic review
Creators: name: Abma, Inger L.
name: Butje, Bas J. D.
name: Klooster, Peter M. Ten
name: Wees, Philip J. Van Der
Publisher: name: figshare
Year: 2021
Subjects: subject: Space Science
subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences

description: Additional file 1. The Pubmed search strategy used for this review.
Consistent treatment of axions in the weak chiral Lagrangian
Creators: name: Bauer, Martin
name: Neubert, Matthias
name: Renner, Sophie
name: Schnubel, Marvin
name: Thamm, Andrea
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a consistent implementation of weak decays involving an axion or axion-like particle in the context of an effective chiral Lagrangian. We argue that previous treatments of such processes have used an incorrect representation of the flavor-changing quark currents in the chiral theory. As an application, we derive model-independent results for the decays $K^-\toπ^- a$ and $π^-\to e^-\barν_e a$ at leading order in the chiral expansion and for arbitrary axion couplings and mass. In particular, we find that the $K^-\toπ^- a$ branching ratio is almost 40 times larger than previously estimated.
description: 5 pages, 1 figure
Sex worker collectives in Kerala, India
Creators: name: Taylor, Mary Jane
Publisher: name: Australian Catholic University
Year: 2010

description: This project researched collective organisations formed by sex workers in Kerala, focussing on aspects including: - Why the organisations formed - How they maintained their membership - How they were funded - Whether the workers were trained - Achievements of the organisations - Future plans of the organisation Interviewees were identified by a contact in Kerala with advisory responsibility for the sex worker collectives. The contact wrote letters to the collectives and helped the researcher identify a selection of sex workers to interview. Three of the identified sex workers were interviewed. The interviews were audiotaped and then transcribed by the researcher. Participants belonged to a vulnerable, marginalised part of Indian society. Three word document transcripts of interviews, typed up from audiotape originals. Microsoft Word for the interview transcripts. Some of the background/accompanying documentation was handwritten.
Quantum Electrodynamical Photon Splitting in Magnetized Nonlinear Pair Plasmas
Creators: name: Brodin, G.
name: Marklund, M.
name: Eliasson, B.
name: Shukla, P. K.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present for the first time the nonlinear dynamics of quantum electrodynamic (QED) photon splitting in a strongly magnetized electron-positron (pair) plasma. By using a QED corrected Maxwell equation, we derive a set of equations that exhibit nonlinear couplings between electromagnetic (EM) waves due to nonlinear plasma currents and QED polarization and magnetization effects. Numerical analyses of our coupled nonlinear EM wave equations reveal the possibility of a more efficient decay channel, as well as new features of energy exchange among the three EM modes that are nonlinearly interacting in magnetized pair plasmas. Possible applications of our investigation to astrophysical settings, such as magnetars, are pointed out.
description: 5 pages, 3 figures, to appear in Physical Review Letters
Collaboration between teachers and university educators in a professional development context: shared situated cases
Creators: name: Minnes-Brandes, Gabriella
Publisher: name: University of British Columbia
Year: 2009

description: Using ethnographic research methods this case study examined how a group of teachers and university educators analyzed teaching for the purpose of enhancing students’ involvement in their learning. Data were collected from weekly meetings and interviews over a period of two school years. Three research questions guided the study: 1) How does a collaborative group of teachers and university educators, who meet regularly in order to improve teaching practices aimed at increasing students’ active learning, evolve over a period of two school years? 2) What is the nature of the conversational dynamics of this collaborative group? and 3) In what ways can the nature of the discourse in this collaborative group be described and represented? In this study, the group deliberations are described in terms of reflective conversations (Schön 1983; 1987; 1991). While Schön has used this term metaphorically to refer to an individual’s “conversation” with a problem setting, this study extends this term to refer to the dialogue occurring among a group of professional colleagues. Shulman (1992) argues that written well-crafted cases serve as an important springboard for a critical analysis of discussions of educational practice. In this study, the participants’ stories were represented in terms of shared situated cases. The purposes of these cases were: to provide the language and context for educators to discuss teaching; and to serve as a method to accumulate the shared repertoire of these colleagues. The group deliberations became the common ground in the context of a supportive group for discussions of private theories about teaching. Thus, this community of professionals developed a shared language and an accumulated repertoire of teaching strategies. This study provides insights about teachers’ professional development, and the role within it of collaboration between university and school educators. Building on the study, researchers might explore the implications of collaborative groups on school culture, and the possibilities of using such groups to help beginning teachers in their professional growth.
Longitudinal Broadening of Quenched Jets in Turbulent Color Fields
Creators: name: Majumder, A.
name: Muller, Berndt
name: Bass, Steffen A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The near-side distribution of particles at intermediate transverse momentum, associated with a high momentum trigger hadron produced in a high energy heavy-ion collision, is broadened in rapidity compared with the jet cone. This broadened distribution is thought to contain the energy lost by the progenitor parton of the trigger hadron. We show that the broadening can be explained as the final-state deflection of the gluons radiated from the hard parton inside the medium by soft, transversely oriented, turbulent color fields that arise in the presence of plasma instabilities. The magnitude of the effect is found to grow with medium size and density and diminish with increasing energy of the associated hadron.
description: 4 pages, 2 figures, Revtex4, revised version, improved abstract and introduction
Spin cloud induced around an elastic scatterer by the intrinsic spin-Hall effect
Creators: name: Mal'shukov, A. G.
name: Chu, C. S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Similar to the Landauer electric dipole created around an impurity by the electric current, a spin polarized cloud of electrons can be induced by the intrinsic spin-Hall effect near a spin independent elastic scatterer. It is shown that in the ballistic range around the impurity, such a cloud appears in the case of Rashba spin-orbit interaction, even though the bulk spin-Hall current is absent.
description: 4 pages, 1 figure, published version
Fine and hyperfine splitting of the low-lying states of $^9$Be
Creators: name: Puchalski, Mariusz
name: Komasa, Jacek
name: Pachucki, Krzysztof
Publisher: name: arXiv
Year: 2021
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We perform accurate calculations of energy levels as well as fine and hyperfine splittings of the lowest $^{1,3}\!P_J$, $^{3}\!S_1$, $^{3}\!P^e_J$, and $^{1,3}\!D_J$ excited states of the $^9$Be atom using explicitly correlated Gaussian functions and report on the breakdown of the standard hyperfine structure theory. Because of the strong hyperfine mixing, which prevents the use of common hyperfine constants, we formulate a description of the fine and hyperfine structure that is valid for an arbitrary coupling strength and may have wide applications in many other atomic systems.
description: 14 pages, 4 figures
A mirror conjecture for projective bundles
Creators: name: Elezi, Artur
Publisher: name: arXiv
Year: 2006
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14N35; 14L30

description: We propose, motivate and give evidence for a relation between the $\mathcal D$-modules of the quantum cohomology of a smooth complex projective manifold $X$ and a projective bundle $\PP(\oplus L_i)$ over $X$.
description: This is the published version. Section 3.1 improvements and the discussion on the small quantum cohomology of a projective bundles will appear in a different paper
Additional file 1 of Clinical course of IPF in Italian patients during 12 months of observation: results from the FIBRONET observational study
Creators: name: V. Poletti
name: C. Vancheri
name: C. Albera
name: S. Harari
name: A. Pesci
name: R. R. Metella
name: B. Campolo
name: G. Crespi
name: S. Rizzoli
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases
subject: 60506 Virology
subject: Computational Biology

description: Additional file 1. Additional tables and figures.
Gigahertz-Bandwidth Optical Memory in Pr$^{3+}$:Y$_2$SiO$_5$
Creators: name: Nicolle, M.
name: Becker, J. N.
name: Weinzetl, C.
name: Walmsley, I. A.
name: Ledingham, P. M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We experimentally study a broadband implementation of the atomic frequency comb (AFC) rephasing protocol with a cryogenically cooled Pr$^{3+}$:Y$_2$SiO$_5$ crystal. To allow for storage of broadband pulses, we explore a novel regime where the input photonic bandwidth closely matches the inhomogeneous broadening of the material $(\sim5\,\textrm{GHz})$, thereby significantly exceeding the hyperfine ground and excited state splitting $(\sim10\,\textrm{MHz})$. Through an investigation of different AFC preparation parameters, we measure a maximum efficiency of $10\%$ after a rephasing time of $12.5\,$ns. With a suboptimal AFC, we witness up to 12 rephased temporal modes.
Songs: Dancing songs
Creators: name: Carpena López, Juana
name: Robertson, Allegra
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: ame

description: This bundle contains two Yánesha' dancing songs. File 220715-002_yan_jcl_arr_song_amasheka.wav contains a song entitled Amashéka. File 220715-003_yan_jcl_arr_song_sheraneñets.wav contains a song entitled Sheraréñets, typically sung in the rain. See corresponding field notes on page 36.

Estos archivos contienen dos canciones de danza en yánesha'. El archivo 220715-002_yan_jcl_arr_song_amasheka.wav contiene una canción que se llama Amashéka. El archivo 220715-003_yan_jcl_arr_song_sheraneñets.wav contiene una canción que se llama Sheraréñets, típicamente cantada en la lluvia. Busque las notas correspondientes en la página 36.
27th Argos Community Call
Creators: name: Papadopoulou, Elli
Publisher: name: Zenodo
Year: 2025
Subjects: OpenAIRE
Argos
DMP

description: 27th Argos Community Call, 26 March 2025

Main topic:

During this month's call Elli Papadopoulou, Product Manager of Argos, presented an exercise, developed in the context of OSTrails project, to help participants better understand how to use ARGOS. We also welcomed Andrew Hoffman, Data Steward and Service Scientist for Research Data Management at the Faculty of Social & Behavioural Sciences at Leiden University, who shared insights on how Argos will be used in the Netherlands.

Argos: https://argos.openaire.eu 

Recording: https://youtu.be/TESapeNGtlk?si=oJbbG2Lsdf-OsKcm

Argos Community Calls: https://www.openaire.eu/argos-community-calls
Polarized radio emission from a magnetar
Creators: name: Kramer, M.
name: Stappers, B. W.
name: Jessner, A.
name: Lyne, A. G.
name: Jordan, C. A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present polarization observations of the radio emitting magnetar AXP J1810-197. Using simultaneous multi-frequency observations performed at 1.4, 4.9 and 8.4 GHz, we obtained polarization information for single pulses and the average pulse profile at several epochs. We find that in several respects this magnetar source shows similarities to the emission properties of normal radio pulsars while simultaneously showing striking differences. The emission is nearly 80-95% polarized, often with a low but significant degree of circular polarization at all frequencies which can be much greater in selected single pulses. The position angle swing has a low average slope of only 1 deg/deg, deviating significantly from an S-like swing as often seen in radio pulsars which is usually interpreted in terms of a rotating vector model and a dipolar magnetic field. The observed position angle is consistent at all frequencies while showing significant secular variations. On average the interpulse is less linearly polarized but shows a higher degree of circular polarization. Some epochs reveal the existence of non-orthogonal emission modes in the main pulse and systematic wiggles in the PA swing, while the interpulse shows a large variety of position angle values. We interprete many of the emission properties as propagation effects in a non-dipolar magnetic field configuration where emission from different multipole components is observed.
description: accepted for publication in MNRAS, 15 pages, 11 figures. Figure 9 in reduced quality, full resolution preprint at ftp://ftp.jb.man.ac.uk/pub/mk/preprint/ksj+07.pdf, typos fixed
Additional file 1 of Defining, conceptualizing, and measuring perceived maternal care quality in low- to high-income countries: a scoping review protocol
Creators: name: Brown, Kyrah K.
name: Boateng, Godfred O.
name: Ossom-Williamson, Peace
name: Haygood, Laura
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1:. PRISMA-P (Preferred Reporting Items for Systematic review and Meta-Analysis Protocols) 2015 checklist: recommended items to address in a systematic review protocol* .