cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Using Big Data Technologies for HEP Analysis
Creators: name: Cremonesi, Matteo
name: Bellini, Claudio
name: Bian, Bianny
name: Canali, Luca
name: Dimakopoulos, Vasileios
name: Elmer, Peter
name: Fisk, Ian
name: Girone, Maria
name: Gutsche, Oliver
name: Hoh, Siew-Yan
name: Jayatilaka, Bo
name: Khristenko, Viktor
name: Luiselli, Andrea
name: Melo, Andrew
name: Evangelos, Evangelos
name: Olivito, Dominick
name: Pazzini, Jacopo
name: Pivarski, Jim
name: Svyatkovskiy, Alexey
name: Zanetti, Marco
Publisher: name: arXiv
Year: 2019
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: The HEP community is approaching an era were the excellent performances of the particle accelerators in delivering collision at high rate will force the experiments to record a large amount of information. The growing size of the datasets could potentially become a limiting factor in the capability to produce scientific results timely and efficiently. Recently, new technologies and new approaches have been developed in industry to answer to the necessity to retrieve information as quickly as possible to analyze PB and EB datasets. Providing the scientists with these modern computing tools will lead to rethinking the principles of data analysis in HEP, making the overall scientific process faster and smoother. In this paper, we are presenting the latest developments and the most recent results on the usage of Apache Spark for HEP analysis. The study aims at evaluating the efficiency of the application of the new tools both quantitatively, by measuring the performances, and qualitatively, focusing on the user experience. The first goal is achieved by developing a data reduction facility: working together with CERN Openlab and Intel, CMS replicates a real physics search using Spark-based technologies, with the ambition of reducing 1 PB of public data in 5 hours, collected by the CMS experiment, to 1 TB of data in a format suitable for physics analysis. The second goal is achieved by implementing multiple physics use-cases in Apache Spark using as input preprocessed datasets derived from official CMS data and simulation. By performing different end-analyses up to the publication plots on different hardware, feasibility, usability and portability are compared to the ones of a traditional ROOT-based workflow.
ผลของการจัดการเรียนรู้แบบ Peer Instruction ของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ที่มีต่อรูปแบบความเข้าใจแนวคิดเรื่องแรงและการเคลื่อนที่
Creators: name: สุริยา เฉลิมชาติ
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2558
Subjects: แบบประเมินความเข้าใจ
แนวคิดเรื่องแรงและการเคลื่อนที่
ความก้าวหน้าทางการเรียนฟิสิกส์ศึกษา

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ (JSTEL), 6, 2, 232-242
ศักยภาพของไซยาโนแบคทีเรียออสซิลลาทอเรีย SWU 121 ในการส่งเสริมการเจริญเติบโตของข้าวภายใต้ภาวะเครียดจากเกลือ
Creators: name: เอมอร พูลสวัสดิ์
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2558
Subjects: ข้าวพันธุ์ขาวดอกมะลิ 105
ภาวะที่มีความเข้มข้นของโซเดียมคลอไรด์
ไซยาโนแบคทีเรีย

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ (JSTEL), 6, 2, 243-255
Controlling Surface Plasmons Through Covariant Transformation of the Spin-Dependent Geometric Phase Between Curved Metamaterials
Creators: name: Zhong, Fan
name: Li, Jensen
name: Liu, Hui
name: Zhu, Shining
Publisher: name: arXiv
Year: 2018
Subjects: subject: Optics (physics.optics)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: General relativity uses curved space-time to describe accelerating frames. The movement of particles in different curved space-times can be regarded as equivalent physical processes based on the covariant transformation between different frames. In this work, we use one-dimensional curved metamaterials to mimic accelerating particles in curved space-times. The different curved shapes of structures are used to mimic different accelerating frames. The different geometric phases along the structure are used to mimic different movements in the frame. Using the covariant principle of general relativity, we can obtain equivalent nanostructures based on space-time transformations, such as the Lorentz transformation and conformal transformation. In this way, many covariant structures can be found which produce the same surface plasmon fields when excited by spin photons. A new kind of accelerating beam, the Rindler beam, is obtained based on the Rindler metric in gravity. Very large effective indexes can be obtained in such systems based on geometric phase gradient. This general covariant design method can be extended to many other optical media.
description: 18 pages, 4 figures
MOESM23 of Utility of 5-(furan-2-yl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide in the synthesis of heterocyclic compounds with antimicrobial activity
Creators: name: Abdelhamid, Abdou
name: Sayed, Ibrahim El
name: Zaki, Yasser
name: Hussein, Ahmed
name: Mangoud Mangoud
name: Hosny, Mona
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
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
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences

description: Additional file 23: Figure S23. 1H NMR, Mass and IR spectra of compound (22).
Fluctuations in the current and energy densities around a magnetic flux carrying cosmic string
Creators: name: Sriramkumar, L.
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We calculate the fluctuations in the current and energy densities for the case of a quantized, minimally coupled, massless, complex scalar field around a straight and infinitesimally thin cosmic string carrying magnetic flux. At zero temperature, we evaluate the fluctuations in the current and energy densities for arbitrary flux and deficit angle. At a finite temperature, we evaluate the fluctuations in the energy density for the special case wherein the flux is absent and the deficit angle equals $π$. We find that, quite generically, the dimensionless ratio of the variance to the mean-squared values of the current and energy densities are of order unity which suggests that the fluctuations around cosmic strings can be considered to be large.
description: RevTeX, 13 Pages, 3 Figures
ARES VI: Viability of one-dimensional retrieval models for transmission spectroscopy characterization of exo-atmospheres in the era of JWST and Ariel
Creators: name: Jaziri, Adam Yassin
name: Pluriel, William
name: Bocchieri, Andrea
name: Panek, Emilie
name: Teinturier, Lucas
name: Ivanova, Anastasiia
name: Rektsini, Natalia E.
name: Drossart, Pierre
name: Beaulieu, Jean-Philippe
name: Falco, Aurélien
name: Leconte, Jeremy
name: Mugnai, Lorenzo V.
name: Venot, Olivia
Publisher: name: arXiv
Year: 2024
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Observed exoplanet transit spectra are usually retrieved using 1D models to determine atmospheric composition while planetary atmospheres are 3D. With the JWST and future space telescopes such as Ariel, we will be able to obtain increasingly accurate transit spectra. The 3D effects on the spectra will be visible, and we can expect biases in the 1D extractions. In order to elucidate these biases, we have built theoretical observations of transit spectra, from 3D atmospheric modeling through transit modeling to instrument modeling. 3D effects are observed to be strongly nonlinear from the coldest to the hottest planets. These effects also depend on the planet's metallicity and gravity. Considering equilibrium chemistry, 3D effects are observed through very strong variations in certain features of the molecule or very small variations over the whole spectrum. We conclude that we cannot rely on the uncertainty of retrievals at all pressures, and that we must be cautious about the results of retrievals at the top of the atmosphere. However the results are still fairly close to the truth at mid-altitudes (those probed). We also need to be careful with the chemical models used for planetary atmosphere. If the chemistry of one molecule is not correctly described, this will bias all the others, and the retrieved temperature as well. Finally, although fitting a wider wavelength range and higher resolution has been shown to increase retrieval accuracy, we show that this could depend on the wavelength range chosen, due to the accuracy on modeling the different features. In any case, 1D retrievals are still correct for the detection of molecules, even in the event of an erroneous abundance retrieval.
Capnia Shen, Cao, Li & Bozdoğan, 2021, s.l.
Creators: name: Shen, Ting
name: Cao, Jinjun
name: Li, Weihai
name: Bozdoğan, Hakan
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Capniidae
Capnia

description: Capnia s.l. sp. (Figs. 10b, 11) Examined Material. 1 female (CUAC): China, Tibet Autonomous Region, Nyingchi County, Sejilashan (Sejila Mountains), Sejilashan National Natural Reserve, unnamed stream at Zhongshan Station, N 29°36.60' E 94°36.19', 4300 m, 2014.VII.10–VIII.20, Malaise trap, Qicheng Yang; 2 females (CUAC): same locality and collector, 2017. VII.5–VIII.5. Description. Body generally dark brown. Wings macropterous, hyaline with brown veins. Body length ca. 6.6 mm. Forewing length ca. 5.8 mm, hindwing length ca. 5.0 mm (n=3). Terga 1-8 with membranous medial portion (Fig. 10b). Sternum 8 with a rounded membranous area anteromedially, subgenital plate large and entire, covering most of sternum 8 but not extending to sternum 9. The subgenital plate is U-shaped with lateral margin narrowed at middle, posterior edge rounded and bearing a projecting hook on each posterolateral corner. A pair of small triangular lateral sclerites occurring on the posterior margin of sternum 8 and lateral to the small hooks of subgenital plate. Sternum 9 with a medial, elongated triangular sclerite. Two rectangular sclerites residing beside the medial sclerite covering most of the lateral portion of the sternum 9 but laterally not fused with tergum; the anterior third of inner margin narrowed (Fig. 11a). In the oblique lateral view, the subgenital plate is flattened (Fig. 11b). Remarks. This unassociated female belongs to the Capnia s.l. cordata group sensu Zhiltzova (2001). The remarkable medial sclerite of sternum 9 distinguishes it from all other known females of the group. Given that only the female of C. s.l. qilianshana Li & Yang, 2009 remained unknown, the present females most probably belong to an unnamed species.
description: Published as part of Shen, Ting, Cao, Jinjun, Li, Weihai & Bozdoğan, Hakan, 2021, Contributions to the winter stoneflies (Plecoptera: Taeniopterygidae & Capniidae) of China, pp. 543-558 in Zootaxa 5016 (4) on pages 552-553, DOI: 10.11646/zootaxa.5016.4.5, http://zenodo.org/record/5222573
description: {"references": ["Zhiltzova, L. A. (2001) Plecoptera fauna of Capniidae of Russia and adjacent territories (within the limits of the former USSR). In: Dominguez, E. (Ed.), Trends in Research in Ephemeroptera and Plecoptera. Kluwer Academic / Plenum Publishers, New York, pp. 423 - 429.", "Li, W. H. & Yang, D. (2009) Synopsis of the genus Capnia (Plecoptera: Capniidae) from China. Zootaxa, 2112, 47 - 52."]}
Hole concentration induced transformation of the magnetic and orbital structure in Nd{1-x}Sr{x}MnO{3}
Creators: name: Kajimoto, R.
name: Yoshizawa, H.
name: Kawano, H.
name: Kuwahara, H.
name: Tokura, Y.
name: Ohoyama, K.
name: Ohashi, M.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In order to study the magnetic and crystal structures in the Nd{1-x}Sr{x}MnO{3} system, we have peformed neutron diffraction measurements on melt-grown polycrystalline samples with 0.49 < x < 0.75. As a function of hole concentration x, the system shows systematic transformation of magnetic and crystal structures, which is consistently explained by the change of the character of Mn eg orbitals. With increasing x, the Nd{1-x}Sr{x}MnO{3} system exhibits a metallic ferromagnetic state, a metallic A-type AFM state, and then an insulating C-type AFM state. The CE-type charge-ordered AFM state was observed only in the vicinity of x=1/2, and it coexists with the A-type AFM state for x > 1/2, indicating that the energy difference between these two states is extremely small. We also found that the MnO{6} octahedra are apically compressed in the CE-type and A-type AFM states due to the d(3x2-r2)/d(3y2-r2) or d(x2-y2) orbital orderings, respectively, whereas they are apically elongated by the rod-type d(3z2-r2) orbital ordering in the C-type AFM state. In addition, a selective broadening of Bragg peaks was observed in the C-type AFM phase, and its x dependence strongly suggests the charge ordering for a commsurate value of the hole concentration at either x=3/4 or x=4/5.
description: REVTeX, 13 pages, 10 figures, submitted to Phys. Rev. B
ศักยภาพทางอัลลีโลพาทีของใบพืชวงศ์ Apocynaceae บางชนิด
Creators: name: เฉลิมชัย วงศ์วัฒนะ
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2558
Subjects: ศักยภาพทางอัลลีโลพาที Apocynaceae
สารอัลลีโลพาที
ความสามารถในการละลาย
ดิน

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ (JSTEL), 6, 2, 256-267
Time-reversed and coherently-enhanced memory: A single-mode quantum atom-optic memory without a cavity
Creators: name: Everett, Jesse L.
name: Vernaz-Gris, Pierre
name: Campbell, Geoff T.
name: Tranter, Aaron D.
name: Paul, Karun V.
name: Leung, Anthony C.
name: Lam, Ping Koy
name: Buchler, Ben C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The efficiency of an ensemble-based optical quantum memory depends critically on the strength of the atom-light coupling. An optical cavity is an effective method to enhance atom-light coupling strength, with the drawback that cavities can be difficult to integrate into a memory setup. In this work we show coherent enhancement of atom-light coupling via an interference effect. The light to be absorbed into the atomic ensemble is split and used to drive the atoms from opposite ends of the ensemble. We compare this method theoretically to a cavity enhanced scheme and present experimental results for our coherent enhancement in cold rubidium-87 atoms that show an efficiency of $72\pm5\%$ and a storage lifetime of $110\pm 10$ us.
A Chern-Simons Effective Field Theory for the Pfaffian Quantum Hall State
Creators: name: Fradkin, E.
name: Nayak, Chetan
name: Tsvelik, A.
name: Wilczek, Frank
Publisher: name: arXiv
Year: 1997
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a low-energy effective field theory describing the universality class of the Pfaffian quantum Hall state. To arrive at this theory, we observe that the edge theory of the Pfaffian state of bosons at $ν=1$ is an $SU(2)_2$ Kac-Moody algebra. It follows that the corresponding bulk effective field theory is an SU(2) Chern-Simons theory with coupling constant $k=2$. The effective field theories for other Pfaffian states, such as the fermionic one at $ν=1/2$ are obtained by a flux-attachment procedure. We discuss the non-Abelian statistics of quasiparticles in the context of this effective field theory.
description: 10 pages, LaTeX, 3 eps figures
Jewelry Recognition via Encoder-Decoder Models
Creators: name: Alcalde-Llergo, José M.
name: Yeguas-Bolívar, Enrique
name: Zingoni, Andrea
name: Fuerte-Jurado, Alejandro
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Jewelry recognition is a complex task due to the different styles and designs of accessories. Precise descriptions of the various accessories is something that today can only be achieved by experts in the field of jewelry. In this work, we propose an approach for jewelry recognition using computer vision techniques and image captioning, trying to simulate this expert human behavior of analyzing accessories. The proposed methodology consist on using different image captioning models to detect the jewels from an image and generate a natural language description of the accessory. Then, this description is also utilized to classify the accessories at different levels of detail. The generated caption includes details such as the type of jewel, color, material, and design. To demonstrate the effectiveness of the proposed method in accurately recognizing different types of jewels, a dataset consisting of images of accessories belonging to jewelry stores in Córdoba (Spain) has been created. After testing the different image captioning architectures designed, the final model achieves a captioning accuracy of 95\%. The proposed methodology has the potential to be used in various applications such as jewelry e-commerce, inventory management or automatic jewels recognition to analyze people's tastes and social status.
description: 6 pages, 5 figures, MetroXRAINE 2023 Conference
MOESM24 of Utility of 5-(furan-2-yl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide in the synthesis of heterocyclic compounds with antimicrobial activity
Creators: name: Abdelhamid, Abdou
name: Sayed, Ibrahim El
name: Zaki, Yasser
name: Hussein, Ahmed
name: Mangoud Mangoud
name: Hosny, Mona
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
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
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences

description: Additional file 24: Figure S24. 1H NMR, Mass and IR spectra of compound (23).
Super-Hubble Nonlinear Perturbations During Inflation
Creators: name: Afshordi, Niayesh
name: Brandenberger, Robert
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We show that the non-linear evolution of long wavelength perturbations may be important in a wide class of inflationary scenarios. We develop a solution for the evolution of such nonlinear perturbations which is exact to first order in a gradient expansion. As a first application, we demonstrate that in single field models of inflation there can be no parametric amplification of super-Hubble modes during reheating. We consider the implications of the solution for recent discussions of the back-reaction effect of long wavelength perturbations on the background geometry, give a new derivation of the equation of motion of stochastic inflation, and demonstrate that if the (generalized) slow-rolling condition is not satisfied, then inevitably long wavelength vector modes for gravitational fluctuations will be generated.
description: 8 pages, 1 figure added and minor changes made. Accepted for publication in Physical Review D
Graviton-Photon Oscillations in an Expanding Universe
Creators: name: Anninos, Peter
name: Rothman, Tony
name: Palessandro, Andrea
Publisher: name: arXiv
Year: 2024
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Through the Gertsenshtein effect, the presence of a large external B-field may allow photons and gravitons to mix in a way that resembles neutrino oscillations and is even more similar to axion-photon mixing. Assuming a background B-field (or any field that behaves like one), we examine the Gertsenshtein mechanism in the context of FLRW expanding universe models, as well as de Sitter space. The conformal invariance of Maxwell's equations and the conformal noninvariance of the Einstein equations preclude the operation of the Gertsenshtein effect at all scales. In general we find for the matter- and radiation-dominated cases, graviton-oscillations are possible only at late conformal times or when the wavelengths are much shorter than the horizon ($kη\gg 1$), but that the time-dependent oscillations eventually damp out in any case. The presence of charged particles additionally damps out the oscillations. For the de Sitter universe, we find that oscillations are possible only at early conformal times ($η\ll H^{-1}$) and for wavelengths short compared to the Hubble radius, but eventually freeze in when wavelengths become longer than the Hubble radius. In principle a Gertsenshtein-like mechanism might influence the balance of particle species in an inflationary phase before freezing in; however, we find that in all our models the mixing length is larger than the Hubble radius. We discuss several possible remedies to this situation.
description: 27 pages, no figures
Evidence for TeV gamma ray emission from Cassiopeia A
Creators: name: HEGRA Collaboration
name: Aharonian, F.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: 232 hours of data were accumulated from 1997 to 1999, using the HEGRA Stereoscopic Cherenkov Telescope System to observe the supernova remnant Cassiopeia A. TeV gamma ray emission was detected at the 5 sigma level, and a flux of (5.8 +- 1.2(stat) +- 1.2(syst)) 10^(-9) ph m^(-2) s^(-1) above 1 TeV was derived. The spectral distribution is consistent with a power law with a differential spectral index of -2.5 +- 0.4(stat) +- 0.1(syst) between 1 and 10 TeV. As this is the first report of the detection of a TeV gamma ray source on the "centi-Crab" scale, we present the analysis in some detail. Implications for the acceleration of cosmic rays depend on the details of the source modeling. We discuss some important aspects in this paper.
description: 9 pages, 6 figures, accepted for publication in Astronomy & Astrophysics
SHUHRATNING "OLTIN ZANGLAMAS" ASARIDAGI MAQOLLAR
Creators: name: Palvonnazarova, Hayotxon
Publisher: name: Zenodo
Year: 2024

description: Maqollar asrlar mobaynida bizga og‘izdan-og‘izga o‘tish orqali saqlaqnib kelayotgan xalq og‘zaki ijodi na’munalaridan biri hisoblanadi. Maqollar ko‘chma ma’noda ishlatiladi. Ushbu maqolada Shuhratning “Oltin zanglamas” asaridagi maqollarni o‘rganib, tahlil qilganmiz. Maqolada xalq maqollariga adabiy nuqtayi nazardan qiziqish, asar badiiyligini oshirish va til ravonligini ta’minlash uchun undan keng foydalanishdagi xususiyatlar keng tahlil etiladi.
Antiferromagnetic hedgehogs with superconducting cores
Creators: name: Goldbart, Paul M.
name: Sheehy, Daniel E.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Excitations of the antiferromagnetic state that resemble antiferromagnetic hedgehogs at large distances but are predominantly superconducting inside a core region are discussed within the context of Zhang's SO(5)-symmetry-based approach to the physics of high-temperature superconducting materials. Nonsingular, in contrast with their hedgehog cousins in pure antiferromagnetism, these texture excitations are what hedgehogs become when the antiferromagnetic order parameter is permitted to "escape" into superconducting directions. The structure of such excitations is determined in a simple setting, and a number of their experimental implications are examined.
description: 6 pages, 2 figures (REVTEX). Discussion of topological stability clarified. Discussion of experimental settings amplified. To appear in Phys. Rev. B
Immature Green Apple Detection and Sizing in Commercial Orchards using YOLOv8 and Shape Fitting Techniques
Creators: name: Sapkota, Ranjan
name: Ahmed, Dawood
name: Churuvija, Martin
name: Karkee, Manoj
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Detecting and estimating size of apples during the early stages of growth is crucial for predicting yield, pest management, and making informed decisions related to crop-load management, harvest and post-harvest logistics, and marketing. Traditional fruit size measurement methods are laborious and timeconsuming. This study employs the state-of-the-art YOLOv8 object detection and instance segmentation algorithm in conjunction with geometric shape fitting techniques on 3D point cloud data to accurately determine the size of immature green apples (or fruitlet) in a commercial orchard environment. The methodology utilized two RGB-D sensors: Intel RealSense D435i and Microsoft Azure Kinect DK. Notably, the YOLOv8 instance segmentation models exhibited proficiency in immature green apple detection, with the YOLOv8m-seg model achieving the highest AP@0.5 and AP@0.75 scores of 0.94 and 0.91, respectively. Using the ellipsoid fitting technique on images from the Azure Kinect, we achieved an RMSE of 2.35 mm, MAE of 1.66 mm, MAPE of 6.15 mm, and an R-squared value of 0.9 in estimating the size of apple fruitlets. Challenges such as partial occlusion caused some error in accurately delineating and sizing green apples using the YOLOv8-based segmentation technique, particularly in fruit clusters. In a comparison with 102 outdoor samples, the size estimation technique performed better on the images acquired with Microsoft Azure Kinect than the same with Intel Realsense D435i. This superiority is evident from the metrics: the RMSE values (2.35 mm for Azure Kinect vs. 9.65 mm for Realsense D435i), MAE values (1.66 mm for Azure Kinect vs. 7.8 mm for Realsense D435i), and the R-squared values (0.9 for Azure Kinect vs. 0.77 for Realsense D435i).
Sum-Over-Histories Quantization of Relativistic Particle
Creators: name: Krtous, Pavel
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Sum-over-histories quantization of particle-like theory in curved space is discussed. It is reviewed that the propagator satisfies the Schrodinger equation respective wave equation with a Laplace-like operator. The exact dependence of the operator on the choice of measure is shown. Next, modifications needed for a manifold with a boundary are introduced, and the exact form of the equation for the propagator is derived. It is shown that the Laplace-like operator contains some distributional terms localized on the boundary. These terms induce proper boundary conditions for the propagator. This choice of boundary conditions is explained as a consequence of a measurement of particles on the boundary. The interaction with sources inside of the domain and sources on the boundary is also discussed.
description: 47 pages, 3 figures, LaTeX2e
Harmonic Summing Improves Pulsar Detection Sensitivity: A Probability Analysis
Creators: name: Yu, Meng
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Practical application of the harmonic summing technique in the power-spectrum analysis for searching pulsars has exhibited the technique's effectiveness. In this paper, theoretical verification of harmonic summing considering power's noise-signal probability distribution is given. With the top-hat and the modified von Mises pulse profile models, contours along which spectra total power is expected to exceed the 3\,$σ$ detection threshold with 0.999 confidence corresponding to $m=1, 2, 4, 8, 16$, or 32 harmonics summed are given with respect to the mean pulse amplitude and the pulse duty cycle. Optimized numbers of harmonics summed relative to the duty cycles are given. The routine presented builds a theoretical estimate of the minimum detectable mean flux density, i.e. sensitivity, under the power-spectrum searching method.
description: This is the originally accepted version
Ionisation state of the accretion disc in the neutron-star low-mass X-ray binary 4U 1728-34
Creators: name: Lyu, Ming
name: Mendez, Mariano
name: Zhang, Jian-Fu
name: Xiang, Fu-Yuan
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We analysed an XMM-Newton plus a simultaneous Rossi X-ray Timing Explorer observation and a separate Suzaku observation of the neutron-star low-mass X-ray binary 4U 1728-34. We fitted the X-ray spectra with the self-consistent reflection model relxill. We found that the inclination angle of 4U 1728-34 is 49 degrees, consistent with the upper limit of 60 degrees deduced from the absence of eclipses or dips in this source. The inclination angle in the fit of the XMM-Newton/RXTE observation is larger than 85 degrees, which may be due to the possible calibration issues of the PN instrument in timing mode. We also found that the thermal emission from the accretion disc is not significant. This could be explained either by the relatively high column density of the interstellar medium along the line of sight to the source, which decreases the number of soft disc photons, or if most of the soft thermal photons from the disc are reprocessed in the corona. The ionisation parameter derived from the fits is larger than the value predicted in the framework of the standard reflection model, wherein the disc is irradiated by an X-ray source above the compact object. This inconsistency suggests that irradiation from the neutron star and its boundary layer may play an important role in the ionisation of the accretion disc, and hence in the reflection component in this source.
description: 11 pages, 3 figures, accepted by MNRAS for publication
Density of states of a two-dimensional electron gas in a non-quantizing magnetic field
Creators: name: Rudin, A. M.
name: Aleiner, I. L.
name: Glazman, L. I.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study local density of electron states of a two-dimentional conductor with a smooth disorder potential in a non-quantizing magnetic field, which does not cause the standart de Haas-van Alphen oscillations. It is found, that despite the influence of such ``classical'' magnetic field on the average electron density of states (DOS) is negligibly small, it does produce a significant effect on the DOS correlations. The corresponding correlation function exhibits oscillations with the characteristic period of cyclotron quantum $\hbarω_c$.
description: 7 pages, including 3 figures
Developing Transformational Leadership for Quality management in Education
Creators: name: Dhal, Pravat
Publisher: name: figshare
Year: 2020
Subjects: Education

description: There is crisis of good leadership in all spheres of education. But effective leaders exceptionally few in number can be groomed to become transformational which will have a multiplier effect. The secret of effective functioning of schools depends on leadership of school heads to identify best in others and enabling them to constitute to carryout tasks facilitating achievement of goals. Once this is done, transformational educational leadership sets in taking over charge to make things happen and lead the school to enhance performance and continuous improvement by creation of a positive climate for making schools receptive to emerging demands and expectations of more conscious urban clientele. Hence this paper is prepared to study how to develop the transformational leadership. The concept, various functions of transformational leadership and some concluding suggestions are given through this paper. Academics could utilize it to build paradigms that would enhance the development of education.
Additional file 2: of Discovery of isomiRs in PBMCs of diseased vis-Ă -vis healthy Indian water buffaloes
Creators: name: Jasdeep Dhanoa
name: Jasdeep Singh
name: Singh, Amarjit
name: Jaspreet Arora
name: R. Sethi
name: C. Mukhopadhyay
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 60506 Virology

description: Table S1: IsomiR mature (Predominant). (DOCX 130 kb)
Radion on the de Sitter brane
Creators: name: Gen, Uchida
name: Sasaki, Misao
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The radion on the de Sitter brane is investigated at the linear perturbation level, using the covariant curvature tensor formalism developed by Shiromizu, Maeda and Sasaki. It is found that if there is only one de Sitter brane with positive tension, there is no radion and thus the ordinary Einstein gravity is recoverd on the brane other than corrections due to the massive Kaluza-Klein modes. As a by-product of using the covariant curvature tensor formalism, it is immediately seen that the cosmological scalar, vector and tensor type perturbations all have the same Kaluza-Klein spectrum. On the other hand, if there are two branes with positive and negative tensions, the gravity on each brane takes corrections from the radion mode in addition to the Kaluza-Klein modes and the radion is found to have a negative mass-squared proportional to the curvature of the de Sitter brane, in contrast to the flat brane case in which the radion mass vanishes and degenerates with the 4-dimensional graviton modes. To relate our result with the metric perturbation approach, we derive the second order action for the brane displacement. We find that the radion identified in our approach indeed corresponds to the relative displacement of the branes in the Randall-Sundrum gauge and describes the scalar curvature perturbations of the branes in the gaussian normal coordinates around the branes. Implications to the inflationary brane universe are briefly discussed.
description: 10 pages with no figures, typos corrected, references added, minor changes in the text
Holomorphic Borcherds products of singular weight for simple lattices of arbitrary level
Creators: name: Opitz, Sebastian
name: Schwagenscheidt, Markus
Publisher: name: arXiv
Year: 2018
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11F27

description: We classify the holomorphic Borcherds products of singular weight for all simple lattices of signature $(2,n)$ with $n \geq 3$. In addition to the automorphic products of singular weight for the simple lattices of square free level found by Dittmann, Hagemeier and the second author, we obtain several automorphic products of singular weight $1/2$ for simple lattices of signature $(2,3)$. We interpret them as Siegel modular forms of genus $2$ and explicitly describe them in terms of the ten even theta constants. In order to rule out further holomorphic Borcherds products of singular weight, we derive estimates for the Fourier coefficients of vector valued Eisenstein series, which are of independent interest.
description: 15 pages
On the estimation of galaxy structural parameters: the Sersic Model
Creators: name: Trujillo, Ignacio
name: Graham, Alister W.
name: Caon, Nicola
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper addresses some questions which have arisen from the use of the Sérsic r^{1/n} law in modelling the luminosity profiles of early type galaxies. The first issue deals with the trend between the half-light radius and the structural parameter n. We show that the correlation between these two parameters is not only real, but is a natural consequence from the previous relations found to exist between the model-independent parameters: total luminosity, effective radius and effective surface brightness. We also define a new galaxy concentration index which is largely independent of the image exposure depth, and monotonically related with n. The second question concerns the curious coincidence between the form of the Fundamental Plane and the coupling between _e and r_e when modelling a light profile. We explain, through a mathematical analysis of the Sérsic law, why the quantity r_e_e^{0.7} appears almost constant for an individual galaxy, regardless of the value of n (over a large range) adopted in the fit to the light profile. Consequently, Fundamental Planes of the form r_e_e^{0.7} propto sigma_0^x (for any x, and where sigma_0 is the central galaxy velocity dispersion) are insensitive to galaxy structure. Finally, we address the problematic issue of the use of model-dependent galaxy light profile parameters versus model-independent quantities for the half-light radii, mean surface brightness and total galaxy magnitude. The former implicitly assume that the light profile model can be extrapolated to infinity, while the latter quantities, in general, are derived from a signal-to-noise truncated profile. We quantify (mathematically) how these parameters change as one reduces the outer radius of an r^{1/n} profile, and reveal how these can vary substantially when n>4.
description: 10 pages, 10 figures, accepted for publication in MNRAS
How does the relaxation of a supercooled liquid depend on its microscopic dynamics?
Creators: name: Gleim, Tobias
name: Kob, Walter
name: Binder, Kurt
Publisher: name: arXiv
Year: 1998
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: Using molecular dynamics computer simulations we investigate how the relaxation dynamics of a simple supercooled liquid with Newtonian dynamics differs from the one with a stochastic dynamics. We find that, apart from the early beta-relaxation regime, the two dynamics give rise to the same relaxation behavior. The increase of the relaxation times of the system upon cooling, the details of the alpha-relaxation, as well as the wave vector dependence of the Edwards-Anderson-parameters are independent of the microscopic dynamics.
description: 6 pages of Latex, 4 figures
Training program on sign language: social inclusion through Virtual Reality in ISENSE project
Creators: name: Bisio, Alessia
name: Yeguas-Bolívar, Enrique
name: Aparicio-Martínez, Pilar
name: Redel-Macías, María Dolores
name: Pinzi, Sara
name: Rossi, Stefano
name: Taborri, Juri
Publisher: name: arXiv
Year: 2024
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: Artificial Intelligence (cs.AI)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Graphics (cs.GR)
subject: FOS: Computer and information sciences

description: Structured hand gestures that incorporate visual motions and signs are used in sign language. Sign language is a valuable means of daily communication for individuals who are deaf or have speech impairments, but it is still rare among hearing people, and fewer are capable of understand it. Within the academic context, parents and teachers play a crucial role in supporting deaf students from childhood by facilitating their learning of sign language. In the last years, among all the teaching tools useful for learning sign language, the use of Virtual Reality (VR) has increased, as it has been demonstrated to improve retention, memory and attention during the learning process. The ISENSE project has been created to assist students with deafness during their academic life by proposing different technological tools for teaching sign language to the hearing community in the academic context. As part of the ISENSE project, this work aims to develop an application for Spanish and Italian sign language recognition that exploits the VR environment to quickly and easily create a comprehensive database of signs and an Artificial Intelligence (AI)-based software to accurately classify and recognize static and dynamic signs: from letters to sentences.
description: 6 pages, 4 figures, MetroXRAINE 2023 Conference, ISENSE european project
Additional file 1: of Discovery of isomiRs in PBMCs of diseased vis-Ă -vis healthy Indian water buffaloes
Creators: name: Jasdeep Dhanoa
name: Jasdeep Singh
name: Singh, Amarjit
name: Jaspreet Arora
name: R. Sethi
name: C. Mukhopadhyay
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 60506 Virology

description: Figure S1: Flow chart of procedure followed for IsomiR identification. (DOCX 49 kb)
Unveiling a cluster of protostellar disks around the massive protostar GGD27 MM1
Creators: name: Busquet, G.
name: Girart, J. M.
name: Estalella, R.
name: Fernández-López, M.
name: Galván-Madrid, R.
name: Anglada, G.
name: Carrasco-González, C.
name: Añez-López, N.
name: Curiel, S.
name: Osorio, M.
name: Rodríguez, L. F.
name: Torrelles, J. M.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We used ALMA to observe the star-forming region GGD27 at 1.14 mm with an unprecedented angular resolution, 40 mas (56 au) and sensitivity (0.002 Msun). We detected a cluster of 25 continuum sources, most of which are likely tracing disks around Class 0/I protostars. Excluding the two most massive objects, disks masses are in the range 0.003-0.05 Msun. The analysis of the cluster properties indicates that GGD27 displays moderate subclustering. This result combined with the dynamical timescale of the radio jet (10000 years) suggests the youthfulness of the cluster. The lack of disk mass segregation signatures may support this too. We found a clear paucity of disks with Rdisk >100 au. The median value of the radius is 34 au, smaller than the median of 92 au for Taurus but comparable to the value found in Ophiuchus and in the Orion Nebula Cluster. In GGD27 there is no evidence of a distance-dependent disk mass distribution (i. e., disk mass depletion due to external photoevaporation), most likely due to the cluster youth. There is a clear deficit of disks for distances <0.02 pc. Only for distances >0.04 pc stars can form larger and more massive disks, suggesting that dynamical interactions far from the cluster center are weaker, although the small disks found could be the result of disk truncation. This work demonstrates the potential to characterize disks from low-mass YSOs in distant and massive (still deeply embedded) clustered environments.
description: Accepted for publication in Astronomy & Astrophysics Letters
การสร้างจิตสำนึกสาธารณะอนุรักษ์สิ่งแวดล้อมและบริการชุมชนโดยใช้การบริหารจัดการทรัพยากรน้ำเป็นฐานสำหรับนิสิตมหาวิทยาลัยศรีนครินทรวิโรฒ
Creators: name: ถนอมศักดิ์ ศรีจันทรา
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2558
Subjects: จิตสำนึกสาธารณะ
อนุรักษ์สิ่งแวดล้อม
การบริหารจัดการน้ำ

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ (JSTEL), 6, 2, 268-282
Quantum Transport in Disorderd Mesoscopic Ferromagnetic Films
Creators: name: Jonkers, Philip A. E.
name: Pickering, Steven J.
name: De Raedt, Hans
name: Tatara, Gen
Publisher: name: arXiv
Year: 1999
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The effect of impurity and domain-wall scattering on the electrical conductivity of disordered mesoscopic magnetic thin films is studied by use of computer simulation. The results indicate a reduction of resistivity due to a domain wall, which is consistent with the explanation in terms of the dephasing caused by domain wall.
description: 5 pages, 8 figures
Numerical testing by a transfer-matrix technique of Simmons' equation for the local current density in metal-vacuum-metal junctions
Creators: name: Mayer, Alexandre
name: Mousa, Marwan S.
name: Hagmann, Mark J.
name: Forbes, Richard G.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We test the consistency with which Simmons' model can predict the local current density obtained for flat metal-vacuum-metal junctions. The image potential energy used in Simmons' original papers had a missing factor of 1/2. Besides this technical issue, Simmons' model relies on a mean-barrier approximation for electron transmission through the potential-energy barrier between the metals. In order to test Simmons' expression for the local current density when the correct image potential energy is included, we compare the results of this expression with those provided by a transfer-matrix technique. This technique is known to provide numerically exact solutions of Schrodinger's equation for this barrier model. We also consider the current densities provided by a numerical integration of the transmission probability obtained with the WKB approximation and Simmons' mean-barrier approximation. The comparison between these different models shows that Simmons' expression for the local current density actually provides results that are in good agreement with those provided by the transfer-matrix technique, for a range of conditions of practical interest. We show that Simmons' model provides good results in the linear and field-emission regimes of current density versus voltage plots. It loses its applicability when the top of the potential-energy barrier drops below the Fermi level of the emitting metal.
description: Paper accepted for publication in Jordan Journal of Physics