cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
An Experiment for Electron-Hadron Scattering at the LHC
Creators: name: André, K. D. J.
name: Bella, L. Aperio
name: Armesto, N.
name: Bogacz, S. A.
name: Britzger, D.
name: Brüning, O. S.
name: D'Onofrio, M.
name: Ferreiro, E. G.
name: Fischer, O.
name: Gwenlan, C.
name: Holzer, B. J.
name: Klein, M.
name: Klein, U.
name: Kocak, F.
name: Kostka, P.
name: Kumar, M.
name: Mellado, B.
name: Milhano, J. G.
name: Newman, P. R.
name: Piotrzkowski, K.
name: Polini, A.
name: Ruan, X.
name: Russenschuk, S.
name: Schwanenberger, C.
name: Vilella-Figueras, E.
name: Yamazaki, Y.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Novel considerations are presented on the physics, apparatus and accelerator designs for a future, luminous, energy frontier electron-hadron ($eh$) scattering experiment at the LHC in the thirties for which key physics topics and their relation to the hadron-hadron HL-LHC physics programme are discussed. Demands are derived set by these physics topics on the design of the LHeC detector, a corresponding update of which is described. Optimisations on the accelerator design, especially the interaction region (IR), are presented. Initial accelerator considerations indicate that a common IR is possible to be built which alternately could serve $eh$ and $hh$ collisions while other experiments would stay on $hh$ in either condition. A forward-backward symmetrised option of the LHeC detector is sketched which would permit extending the LHeC physics programme to also include aspects of hadron-hadron physics. The vision of a joint $eh$ and $hh$ physics experiment is shown to open new prospects for solving fundamental problems of high energy heavy-ion physics including the partonic structure of nuclei and the emergence of hydrodynamics in quantum field theory while the genuine TeV scale DIS physics is of unprecedented rank.
description: 27 pages, 24 figures, 6 tables; to appear in Eur. Phys. J. C
Density functional calculations of the electronic structure and magnetic properties of the hydrocarbon K3picene superconductor near the metal-insulator transition
Creators: name: Kim, Minjae
name: Min, B. I.
name: Lee, Geunsik
name: Kwon, Hee Jae
name: Rhee, Y. M.
name: Shim, Ji Hoon
Publisher: name: arXiv
Year: 2010
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We have investigated the electronic structures and magnetic properties of of K3picene, which is a first hydrocarbon superconductor with high transition temperature T_c=18K. We have shown that the metal-insulator transition (MIT) is driven in K3picene by 5% volume enhancement with a formation of local magnetic moment. Active bands for superconductivity near the Fermi level E_F are found to have hybridized character of LUMO and LUMO+1 picene molecular orbitals. Fermi surfaces of K3picene manifest neither prominent nesting feature nor marked two-dimensional behavior. By estimating the ratio of the Coulomb interaction U and the band width W of the active bands near E_F, U/W, we have demonstrated that K3picene is located in the vicinity of the Mott transition.
description: 5 pages, 5 figures
Dynamical Mean Field Studies of Infinite Layer Nickelates: Physics Results and Methodological Implications
Creators: name: Chen, Hanghui
name: Hampel, Alexander
name: Karp, Jonathan
name: Lechermann, Frank
name: Millis, Andrew
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: This article summarizes recent work on the many-body (beyond density functional theory) electronic structure of layered rare-earth nickelates, both in the context of the materials themselves and in comparison to the high-temperature superconducting (high-$T_c$) layered copper-oxide compounds. It aims to outline the current state of our understanding of layered nickelates and to show how the analysis of these fascinating materials can shed light on fundamental questions in modern electronic structure theory. A prime focus is determining how the interacting physics defined over a wide energy range can be estimated and "downfolded" into a low energy theory that would describe the relevant degrees of freedom on the $\sim 0.5$ eV scale and that could be solved to determine superconducting and spin and charge density wave phase boundaries, temperature-dependent resistivities, and dynamical susceptibilities.
description: 34 pages, 10 figuress and 2 tables. An invited review by Frontiers in Physics as part of a collection on nickelate superconductors
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÑÑÐ°ÑÐµÐ³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿Ð»Ð°Ð½Ð° ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐµÐ¹ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾ÑÑÐ¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: The development of a strategic plan for the development of enterprises in the manufacturing industry
Creators: name: ÐÐ³Ð»ÐµÐµÐ²Ð°, ÐÐ°ÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸
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ÑÑÐ±Ð½Ð°Ñ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾ÑÑÑ

description: ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÑÐµÑÑÑ ÐÐÐ Â«Ð ÑÐ±Ð¾Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐ¸Ð¹ ÐºÐ¾Ð¼Ð±Ð¸Ð½Ð°Ñ â 1Â» Ð² Ð³. Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³. Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ â ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÑÑÐ°ÑÐµÐ³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿Ð»Ð°Ð½Ð° ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐÐ Â«Ð ÑÐ±Ð¾Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐ¸Ð¹ ÐºÐ¾Ð¼Ð±Ð¸Ð½Ð°Ñ â 1Â».
ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ ÑÐµÐ¾ÑÐµÑÐ¸ÐºÐ¾-Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ½Ð¾Ð²Ñ Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¸ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¸Ñ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð² Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐµÐ¹ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾ÑÑÐ¸, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾-ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÐÐÐ Â«Ð ÑÐ±Ð¾Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐ¸Ð¹ ÐºÐ¾Ð¼Ð±Ð¸Ð½Ð°Ñ â 1Â». ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾-ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸, Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð° ÑÑÑÐ°ÑÐµÐ³Ð¸Ñ Ð´Ð°Ð»ÑÐ½ÐµÐ¹ÑÐµÐ³Ð¾ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÐÐÐ Â«Ð ÑÐ±Ð¾Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÑÑÐ¸Ð¹ ÐºÐ¾Ð¼Ð±Ð¸Ð½Ð°Ñ â 1Â».
description: The object of the study is JSC Fish Processing Plant No 1 in Saint Petersburg.
The purpose of the work is to develop a business strategic plan on the example of ÐÐÐ Fish Processing Plant No 1/
Theoretical and methodical bases of planning of activity of the organization and features of their application in the processing industry are investigated, the analysis of financial and economic activity of JSC Fish Processing Plant No 1 is carried out.
The analysis of the main indicators of financial and economic activity of the organization, the strategy of further development of JSC Fish Processing Plant No 1.
On polymorphic logical gates in sub-excitable chemical medium
Creators: name: Adamatzky, Andrew
name: Costello, Ben De Lacy
name: Bull, Larry
Publisher: name: arXiv
Year: 2010
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: In a sub-excitable light-sensitive Belousov-Zhabotinsky chemical medium an asymmetric disturbance causes the formation of localized traveling wave-fragments. Under the right conditions these wave-fragment can conserve their shape and velocity vectors for extended time periods. The size and life span of a fragment depend on the illumination level of the medium. When two or more wave-fragments collide they annihilate or merge into a new wave-fragment. In computer simulations based on the Oregonator model we demonstrate that the outcomes of inter-fragment collisions can be controlled by varying the illumination level applied to the medium. We interpret these wave-fragments as values of Boolean variables and design collision-based polymorphic logical gates. The gate implements operation XNOR for low illumination, and it acts as NOR gate for high illumination. As a NOR gate is a universal gate then we are able to demonstrate that a simulated light sensitive BZ medium exhibits computational universality.
Homologous Coronal Mass Ejections Caused by Recurring Formation and Disruption of Current Sheet within a Sheared Magnetic Arcade
Creators: name: Bian, Xinkai
name: Jiang, Chaowei
name: Feng, Xueshang
name: Zuo, Pingbing
name: Wang, Yi
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The Sun often produces coronal mass ejections with similar structure repeatedly from the same source region, and how these homologous eruptions are initiated remains an open question. Here, by using a new magnetohydrodynamic simulation, we show that homologous solar eruptions can be efficiently produced by recurring formation and disruption of coronal current sheet as driven by continuously shearing of the same polarity inversion line within a single bipolar configuration. These eruptions are initiated by the same mechanism, in which an internal current sheet forms slowly in a gradually sheared bipolar field and reconnection of the current sheet triggers and drives the eruption. Each of the eruptions does not release all the free energy but with a large amount left in the post-flare arcade below the erupting flux rope. Thus, a new current sheet can be more easily formed by further shearing of the post-flare arcade than by shearing a potential field arcade, and this is favorable for producing the next eruption. Furthermore, it is found that the new eruption is stronger since the newly formed current sheet has a larger current density and a lower height. In addition, our results also indicate the existence of a magnetic energy threshold for a given flux distribution, and eruption occurs once this threshold is approached.
Moments and Radii of exotic Na and Mg isotopes
Creators: name: Otsuka, Takaharu
name: Shimizu, Noritaka
name: Tsunoda, Yusuke
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The ground-state properties of neutron-rich exotic Na and Mg isotopes with even numbers of neutrons, N, are studied up to driplines. The shell-model calculations with an ab initio effective nucleon-nucleon interaction reported in [Tsunoda, Otsuka, Takayanagi et al., Nature 587, 66 (2020)] are extended to observables such as magnetic dipole and electric quadrupole moments, and charge and matter radii. Good agreements with experimental data are found, and predictions are shown up to driplines. A prescription to extract the deformation parameters for the eigenstates of Monte Carlo Shell Model is presented, and the obtained values are used to calculate charge and matter radii. The increase of these radii from the Droplet model is described as the consequences of the varying deformation of the surface and the growing neutron excitations or occupations in the pf shell, consistently with the dripline mechanism presented in the above reference. The neutron skin thickness is shown to be about 0.1 fm for N=20, which can be compared to the value for 208Pb in an A1/3 scaling. The relation of the neutron skin thickness to the electromagnetic moments is discussed for an exotic nucleus, 31Na.
description: 7 pages, 4 figures
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ°ÑÐ¿ÑÐ¾ÑÑÑÐ°Ð½ÐµÐ½Ð¸Ñ Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð²Ð¸Ñ ÑÐµÐ¹ Ð² Ð¿Ð°ÑÑÐ¸Ð²Ð½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ñ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÐºÐ°Ð±ÐµÐ»ÑÐ½ÑÑ Ð»Ð¸Ð½Ð¸Ð¹
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Research of propagation of optical vortices in passive elements of fiber-optic cable lines
Creators: name: ÐÑÐ±Ð°Ð½, ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: ÐÐ½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ
ÐÐ¿ÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¸ÑÑÐµÐ¼Ñ
Ð¡Ð²ÐµÑÐ¾Ð²Ð¾Ð´Ñ
ÐÐ°Ð±ÐµÐ»ÑÐ½ÑÐµ Ð»Ð¸Ð½Ð¸Ð¸
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ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ Ð¸Ð½ÑÐµÐ½ÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐ²ÐµÑÐ°

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÐµÐ½Ð¸Ñ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ½Ð¾Ð²ÐµÐ½Ð¸Ñ Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð²Ð¸ÑÑÐµÐ¹ Ð² Ð¿Ð°ÑÑÐ¸Ð²Ð½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ñ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÐºÐ°Ð±ÐµÐ»ÑÐ½ÑÑ Ð»Ð¸Ð½Ð¸Ð¹. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð° ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ ÑÑÐ¾Ð³Ð¾ ÑÐ²Ð»ÐµÐ½Ð¸Ñ Ð² ÑÐµÐ¾ÑÐ¸Ð¸, ÑÑÐ»Ð¾Ð²Ð¸Ð¹ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ½Ð¾Ð²ÐµÐ½Ð¸Ñ Ð²Ð¸ÑÑÐµÐ¹, Ð° ÑÐ°ÐºÐ¶Ðµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¾ÑÐ¼ÑÐ»Ñ, Ð¾Ð¿Ð¸ÑÑÐ²Ð°ÑÑÐ¸Ðµ Ð´Ð°Ð½Ð½ÑÐ¹ Ð¿ÑÐ¾ÑÐµÑÑ. Ð¡Ð¾Ð±ÑÐ°Ð½Ð° ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð°Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ°, Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÑÑÐ°Ñ Ð¸Ð·ÑÑÐ¸ÑÑ Ð¿ÑÐ¾ÑÐµÑÑ ÑÐ°ÑÐ¿ÑÐ¾ÑÑÑÐ°Ð½ÐµÐ½Ð¸Ñ Ð²Ð¸ÑÑÑ Ð² Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾Ð¼ ÑÐ²ÐµÑÐ¾Ð²Ð¾Ð´Ðµ Ð¿ÑÐ¸ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð²Ð²Ð¾Ð´Ð° Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÑÐºÐ° Ð¸ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ Ð´Ð»Ð¸Ð½ Ð²Ð¾Ð»Ð½ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ñ. ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¾ ÑÐ°ÑÐ¿ÑÐ¾ÑÑÑÐ°Ð½ÐµÐ½Ð¸Ðµ Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð²Ð¸ÑÑÐµÐ¹ Ð² Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ ÑÐ°ÑÐ¿ÑÐ¾ÑÑÑÐ°Ð½ÐµÐ½Ð½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ñ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð»Ð¸Ð½Ð¸Ð¹ ÑÐ²ÑÐ·Ð¸.
description: This work is devoted to the study of the phenomenon of optical vortices in passive elements of fiber-optic cable lines. The work on the study of this phenomenon in theory, the conditions of occurrence of vortices, as well as mathematical formulas describing this process are presented. An experimental setup has been assembled to study the process of vortex propagation in a fiber waveguide under different conditions of laser beam input and different wavelengths of radiation. The propagation of optical vortices in the most common elements of fiber-optic communication lines is investigated.
Credi che la tua soluzione sia corretta e completa? Il processo "interpretare e riflettere sui risultati" in allievi di scuola media
Creators: name: Testoni, Angelo
Publisher: name: Scuola Universitaria della Svizzera Italiana (SUPSI)
Year: 2019
Subjects: problem solving
lesson study
formulare
utilizzare
interpretare
valutare

description: Lo scopo principale di questo lavoro di ricerca è quello di analizzare come evolve, in allievi del primo ciclo della scuola media, l’attivazione del processo interpretare e riflettere sui risultati durante la risoluzione di alcuni problemi posti. In secondo luogo, esso vuole approfondire quali differenze sussistano, rispetto a tale evoluzione, tra gli allievi di prima media e quelli di seconda media. Per poter indagare efficacemente i processi considerati, si è deciso di appoggiarsi alla metodologia del lesson study. Per la sperimentazione, dunque, sono state co-progettate tre sessioni di problem solving, ognuna delle quali ha comportato la risoluzione di un particolare problema di ricerca. Tali sessioni, sono state proposte in una classe di prima media ed in due classi di seconda media. I risultati ottenuti mostrano che, grazie ad attente scelte didattiche prese nel corso della progettazione delle lezioni, gli allievi hanno sviluppato delle competenze rispetto all’attivazione di processi di controllo delle proprie strategie risolutive e delle soluzioni ottenute. Delle differenze tra la classe di prima media e quelle di seconda media sono emerse per quanto riguarda la comprensione del problema, la trasposizione matematica dei dati e dei vincoli individuati e l’impiego di strategie efficaci per la risoluzione dei problemi posti. Non si sono invece riscontrate differenze tra i due gradi scolastici per quanto riguarda la riflessione sui procedimenti svolti e la verifica delle soluzioni ottenute. Relatrice: Rossana Falcade. Materia: Matematica Ing SUP.
Hot Jupiters from Secular Planet--Planet Interactions
Creators: name: Naoz, Smadar
name: Farr, Will M.
name: Lithwick, Yoram
name: Rasio, Frederic A.
name: Teyssandier, Jean
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: About 25 per cent of `hot Jupiters' (extrasolar Jovian-mass planets with close-in orbits) are actually orbiting counter to the spin direction of the star. Perturbations from a distant binary star companion can produce high inclinations, but cannot explain orbits that are retrograde with respect to the total angular momentum of the system. Such orbits in a stellar context can be produced through secular (that is, long term) perturbations in hierarchical triple-star systems. Here we report a similar analysis of planetary bodies, including both octupole-order effects and tidal friction, and find that we can produce hot Jupiters in orbits that are retrograde with respect to the total angular momentum. With distant stellar mass perturbers, such an outcome is not possible. With planetary perturbers, the inner orbit's angular momentum component parallel to the total angular momentum need not be constant. In fact, as we show here, it can even change sign, leading to a retrograde orbit. A brief excursion to very high eccentricity during the chaotic evolution of the inner orbit allows planet-star tidal interactions to rapidly circularize that orbit, decoupling the planets and forming a retrograde hot Jupiter.
description: accepted for publication by Nature, 3 figures (version after proof - some typos corrected)
Ab initio study of electron transport in dry poly(G)-poly(C) A-DNA strands
Creators: name: Pemmaraju, C. D.
name: Rungger, I.
name: Chen, X.
name: Rocha, A. R.
name: Sanvito, S.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The bias-dependent transport properties of short poly(G)-poly(C) A-DNA strands attached to Au electrodes are investigated with first principles electronic transport methods. By using the non- equilibrium Green's function approach combined with self-interaction corrected density functional theory, we calculate the fully self-consistent coherent I-V curve of various double-strand polymeric DNA fragments. We show that electronic wave-function localization, induced either by the native electrical dipole and/or by the electrostatic disorder originating from the first few water solvation layers, drastically suppresses the magnitude of the elastic conductance of A-DNA oligonucleotides. We then argue that electron transport through DNA is the result of sequence-specific short-range tunneling across a few bases combined with general diffusive/inelastic processes.
description: 15 pages, 13 figures, 1 table
First images of the molecular gas around a born-again star revealed by ALMA
Creators: name: Tafoya, Daniel
name: Toalá, Jesús A.
name: Unnikrishnan, Ramlal
name: Vlemmings, Wouter H. T.
name: Guerrero, Martín A.
name: Kimeswenger, Stefan
name: van Hoof, Peter A. M.
name: Zapata, Luis A.
name: Treviño-Morales, Sandra P.
name: Rodríguez-González, Janis B.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Born-again stars allow probing stellar evolution in human timescales and provide the most promising path for the formation of hydrogen-deficient post-asymptotic giant branch objects, but their cold and molecular components remain poorly explored. Here we present ALMA observations of V605 Aql that unveil for the first time the spatio-kinematic distribution of the molecular material associated to a born-again star. Both the continuum and molecular line emission exhibit a clumpy ring-like structure with a total extent of $\approx$1$^{\prime\prime}$ in diameter. The bulk of the molecular emission is interpreted as being produced in a radially-expanding disk-like structure with an expansion velocity v$_{\rm exp}$$\sim$90 km s$^{-1}$ and an inclination $i$$\approx$60$^{\circ}$ with respect to the line-of-sight. The observations also reveal a compact high-velocity component, v$_{\rm exp}$$\sim$280 km s$^{-1}$, that is aligned perpendicularly to the expanding disk. This component is interpreted as a bipolar outflow with a kinematical age $τ$$\lesssim$20 yr, which could either be material that is currently being ejected from V605 Aql, or it is being dragged from the inner parts of the disk by a stellar wind. The dust mass of the disk is in the range $M_{\rm dust}$$\sim$0.2-8$\times$10$^{-3}$ M$_{\odot}$, depending on the dust absorption coefficient. The mass of the CO is $M_{\rm CO}$$\approx$1.1$\times10^{-5}$ $M_{\odot}$, which is more than three orders of magnitude larger than the mass of the other detected molecules. We estimate a $^{12}$C/$^{13}$C ratio of 5.6$\pm$0.6, which is consistent with the single stellar evolution scenario in which the star experienced a very late thermal pulse instead of a nova-like event as previously suggested.
description: 9 pages, 5 Figures; accepted to ApJL
Aging in language dynamics
Creators: name: Mukherjee, Animesh
name: Tria, Francesca
name: Baronchelli, Andrea
name: Puglisi, Andrea
name: Loreto, Vittorio
Publisher: name: arXiv
Year: 2011
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Computation and Language (cs.CL)
subject: Multiagent Systems (cs.MA)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Human languages evolve continuously, and a puzzling problem is how to reconcile the apparent robustness of most of the deep linguistic structures we use with the evidence that they undergo possibly slow, yet ceaseless, changes. Is the state in which we observe languages today closer to what would be a dynamical attractor with statistically stationary properties or rather closer to a non-steady state slowly evolving in time? Here we address this question in the framework of the emergence of shared linguistic categories in a population of individuals interacting through language games. The observed emerging asymptotic categorization, which has been previously tested - with success - against experimental data from human languages, corresponds to a metastable state where global shifts are always possible but progressively more unlikely and the response properties depend on the age of the system. This aging mechanism exhibits striking quantitative analogies to what is observed in the statistical mechanics of glassy systems. We argue that this can be a general scenario in language dynamics where shared linguistic conventions would not emerge as attractors, but rather as metastable states.
description: 15 pages, 6 figures. Accepted for publication in PLoS ONE
Galleria Vedeggio-Cassarate, svincolo Lugano nord
Creators: name: Forrer, Matteo
Publisher: name: Scuola Universitaria della Svizzera Italiana (SUPSI)
Year: 2015

description: Abstract La città di Lugano ha deciso di dotarsi di un nuovo accesso per la sua periferia che comprende sia una parte residenziale sia una produttiva-industriale. Questo accesso è garantito dalla nuova galleria Vedeggio- Cassarate che collega direttamente lo svincolo di Lugano nord a Cornaredo, sgravando il centro cittadino dal traffico parassitario. Compito del progetto di Tesi è stato la sistemazione dello Svincolo di Lugano nord, considerando l’enorme quantità di materiale da eliminare proveniente dallo scavo sotterraneo. Infatti al portale di Vezia vi era una depressione che si è scelto di riempire con il misto granulare della galleria per creare un piano che permettesse l’edificazione di una rotonda che smaltisse il traffico da e per la città.
Large enhancement of total reaction cross sections at the edge of the island of inversion in Ti, Cr, and Fe isotopes
Creators: name: Horiuchi, W.
name: Inakura, T.
name: Michimasa, S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: A systematic analysis of nuclear deformation is made for neutron-rich Ti, Cr, and Fe isotopes to explore the nuclear structure in the island of inversion near N = 40, where strong nuclear deformation is predicted. The nuclear ground states are obtained by the Skyrme Hartree-Fock method in three-dimensional coordinate space, which properly describes any nuclear shape. Three types of Skyrme interactions are employed to generate various deformed states in its isotopic chain. We find that in the island of inversion the occupation of highly elongated intruder orbits induces not only large quadrupole deformation but also large hexadecapole deformation. This appears as a sizable enhancement of the nuclear matter radius, showing the characteristic shell effect of the density profile near the nuclear surface. We show that the edge of the island of inversion, where the intruder orbit starts being occupied, can be determined by measuring the enhancement of the total reaction cross section at high incident energy. The possibility of constraining the hexadecapole deformation by a measurement of the total reaction cross sections is discussed.
description: 13 pages, 10 figures, to appear in Phys. Rev. C
Whitebark pine (Pinus albicaulis) resistance to white pine blister rust : a cost-effective approach to progeny testing for restoration
Creators: name: Reid, Iain R.
Publisher: name: University of British Columbia
Year: 2020

description: Endangered whitebark pine (Pinus albicaulis Engelm.), native to high elevation forests of western North America, is declining mainly due to the introduced pathogen Cronartium ribicola J.C. Fisch, causing the disease white pine blister rust. This decline is compounded by the impacts of climate change, mountain pine beetle, and fire suppression. Low levels of genetic resistance to blister rust are present in whitebark pine. Traditional methods of inoculating seedlings to determine family-level resistance to the rust are costly, labour and time intensive. Due to the need for resistant material for planting, this presents a bottleneck in the process of restoring whitebark pine stands that have been heavily infected by the rust. In this study I tested an alternative approach to controlled inoculations that would be an effective way to screen large numbers of families without as many costs and limitations. A large genetic sample comprising 214 open-pollinated families from 44 provenances were screened at Skimikin Nursery, British Columbia, to determine: (1) the effectiveness of natural rust inoculation from Ribes nigrum L. in a common garden; (2) family and provenance level resistance to blister rust; and (3) climate variables related to height and rust resistance. Eighty-one families previously screened in Dorena, Oregon using artificial inoculation methods were also planted at Skimikin to compare with the natural inoculation. The natural inoculation was effective, with 73% of seedlings displaying stem symptoms of the disease, and 95% showing rust infection. A clear relationship was found between distance from the Ribes and severity of blister rust. Linear mixed models with spatial correlations were fitted to height and rust data using ASReml-R to estimate breeding values, heritability, and among-population differentiation (QST). Resistance was highest in the Cascade Mountains of Washington, while the most susceptible families were located mainly in the BC Coast Mountains. QST values revealed low genetic differentiation for height (0.07) and moderate differentiation for rust (0.28) while heritability was higher for height (0.42) than for rust resistance (0.23). This method of screening should be used more widely to determine families resistant to white pine blister rust and increase the availability of resistant seedlings for restoration.
Lifshitz black holes in Brans-Dicke theory
Creators: name: Maeda, Hideki
name: Giribet, Gaston
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present an exact asymptotically Lifshitz black hole solution in Brans-Dicke theory of gravity in arbitrary $n(\ge 3)$ dimensions in presence of a power-law potential. In this solution, the dynamical exponent $z$ is determined in terms of the Brans-Dicke parameter $ω$ and $n$. Asymptotic Lifshitz condition at infinity requires $z>1$, which corresponds to $-(n-1)/(n-2) \le ω< -n/(n-1)$. On the other hand, the no-ghost condition for the scalar field in the Einstein frame requires $0
description: 32 pages, no figure. v2: revised version. Section 3.1 and Appendix B improved. The argument in Appendix A clarified. v3: References added. v4: analysis on the black hole thermodynamical properties corrected. Final version to appear in JHEP
Study of changes in the pulsation period of 148 Galactic Cepheid variables
Creators: name: Csörnyei, G.
name: Szabados, L.
name: Molnár, L.
name: Cseh, B.
name: Egei, N.
name: Kalup, Cs.
name: Kecskeméthy, V.
name: Könyves-Tóth, R.
name: Sárneczky, K.
name: Szakáts, R.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Investigating period changes of classical Cepheids through the framework of $O-C$ diagrams provides a unique insight to the evolution and nature of these variable stars. In this work, the new or extended $O-C$ diagrams for 148 Galactic classical Cepheids are presented. By correlating the calculated period change rates with the Gaia EDR3 colours, we obtain observational indications for the non-negligible dependence of the period change rate on the horizontal position within the instability strip. We find period fluctuations in 59 Cepheids with a confidence level of 99%, which are distributed uniformly over the inspected period range. Correlating the fluctuation amplitude with the pulsation period yields a clear dependence, similar to the one valid for longer period pulsating variable stars. The non-negligible amount of Cepheids showing changes in their $O-C$ diagrams that are not or not only of evolutionary origin points toward the need for further studies for the complete understanding of these effects. One such peculiar behaviour is the large amplitude period fluctuation in short period Cepheids, which occurs in a significant fraction of the investigated stars. The period dependence of the fluctuation strength and its minimum at the bump Cepheid region suggests a stability enhancing mechanism for this period range, which agrees with current pulsation models.
description: 22 pages, 29 figures, accepted for publication in MNRAS
title: ÐÑÐ¾ÑÐ²Ð»ÐµÐ½Ð¸Ðµ Ð¿Ð¾Ð»Ð·ÑÑÐµÑÑÐ¸ Ð¿ÑÐ¸ ÑÐ¶Ð°ÑÐ¸Ð¸ ÑÑÐµÑ Ð¼ÐµÑÐ½ÑÑ (3D) Ð³ÐµÐ¾ÑÐ¸Ð½ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Compressive creep behavior of three-dimensional (3D) geosynthetic products
Creators: name: ÐÐ° ÐÑÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: Ð¡ÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ
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description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð³Ð½Ð¾Ð·Ð¸ÑÑÐµÑÑÑ Ð¿Ð¾Ð²ÐµÐ´ÐµÐ½Ð¸Ðµ Ð¿Ð¾Ð»Ð·ÑÑÐµÑÑÐ¸ Ð¿ÑÐ¸ ÑÐ¶Ð°ÑÐ¸Ð¸ ÑÑÐµÑÐ¼ÐµÑÐ½ÑÑ Ð³ÐµÐ¾Ð¼Ð°ÑÐ¾Ð² Ñ Ð¿Ð¾Ð¼Ð¾ÑÑÑ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ñ Ð½Ð° ÑÐ¶Ð°ÑÐ¸Ðµ Ð¸ ÑÑÐºÐ¾ÑÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ñ Ð½Ð° Ð¿Ð¾Ð»Ð·ÑÑÐµÑÑÑ. ÐÑÐ¸Ð²Ð¾Ð´ÑÑÑÑ Ð¾ Ð¿Ð¸ÑÐ°Ð½Ð¸Ðµ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ð¹ Ð½Ð° ÑÐ¶Ð°ÑÐ¸Ðµ Ð¸ Ð¼ÐµÑÐ¾Ð´Ð° ÑÑÑÐ¿ÐµÐ½ÑÐ°ÑÑÑ Ð¸Ð·Ð¾ÑÐµÑÐ¼. Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ð¹ Ð¿Ð¾ Ð¼ÐµÑÐ¾Ð´Ñ ÑÑÑÐ¿ÐµÐ½ÑÐ°ÑÑÑ Ð¸Ð·Ð¾ÑÐµÑÐ¼ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÑÑÑÑ Ð´Ð»Ñ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð³Ð½Ð¾Ð·Ð¸ÑÑÐµÐ¼Ð¾Ð¹ ÐºÑÐ¸Ð²Ð¾Ð¹ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð½Ð°Ð³ÑÑÐ·ÐºÐ¸. Ð¥Ð°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð¿Ð¾Ð»Ð·ÑÑÐµÑÑÐ¸ Ð¿ÑÐ¸ ÑÐ¶Ð°ÑÐ¸Ð¸ Ð³ÐµÐ¾Ð¼Ð°ÑÐ¾Ð² ÑÐµÑÐµÐ· 30 Ð»ÐµÑ Ð² ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð¿ÑÐ¾Ð³Ð½Ð¾Ð·Ð¸ÑÑÑÑÑÑ.
description: In the given work the compressive creep behavior of three-dimensional geomats was studied by compressive and accelerated creep tests. The general procedures for compressive test and SIM test are stated. The analysis of data from stepped isothermal method (SIM) was done. The predicted creep master curve under different load conditions are obtained. Compression creep behavior of the product in 30 years under different conditions was predicted by comparing the curves obtained from the SIM test.
Olipudase Alfa in Non-CNS manifestations of Acid Sphingomyelinase Deficiency: A Profile of Its Use
Creators: name: Syed, Yahiya Y.
Publisher: name: Adis Journals
Year: 2023
Subjects: Medicine

description: Declarations Funding The preparation of this review was not supported by any external funding. Authorship and Conflict of interest Yahiya Y. Syed is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content. Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability not applicable Additional information about this Adis Drug Review can be found here Abstract Olipudase alfa (Xenpozyme™) is an intravenously administered acid sphingomyelinase enzyme replacement therapy indicated to treat non-CNS manifestations of acid sphingomyelinase deficiency (ASMD) in adult and paediatric patients. It is the first and currently the only disease-modifying treatment for ASMD. Olipudase alfa treatment improves hepatosplenomegaly, lung function and platelet counts, along with multiple other pathological features of ASMD in adult and paediatric patients with ASMD. These benefits are sustained through a least 24 months of treatment. Olipudase alfa is generally well tolerated; infusion-associated reactions (mostly mild) were the most common treatment-related adverse events. Other warnings and precautions associated with its use include risks of hypersensitivity reactions (including anaphylaxis) and elevated transaminase levels seen in clinical trials, and foetal malformation based on animal studies. All these risks are generally manageable. A gradual dose escalation of olipudase alfa, followed by a maintenance phase, is required to reduce the risk of toxic sphingomyelin catabolites build up, infusion-associated reactions and elevated transaminase levels. © Springer Nature Switzerland AG 2023
Comparing space+time decompositions in the post-Newtonian limit
Creators: name: Kol, Barak
name: Levi, Michele
name: Smolkin, Michael
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The relationship between the Arnowitt-Deser-Misner (ADM) field decomposition and the non-relativistic gravitational (NRG) fields attracted considerable interest recently. This paper compares the two, especially with respect to computing the two-body post-Newtonian (PN) effective action within the effective field theory (EFT) approach. Both are space+time decompositions and hence do better than using the standard metric. However, ADM is essentially a reduction over space whereas NRG is essentially a reduction over time. We use a variant of ADM which is linearly equivalent to NRG and the two are identical at order 1PN. We compare the two at order 2PN and find that ADM requires the computation of an additional Feynman diagram. We argue that the computational excess will further increase at higher orders.
description: 11 pages, 3 figures; v2: published
Feeding the spider with carbon -- [CII] emission from the circum galactic medium and active galactic nucleus
Creators: name: De Breuck, Carlos
name: Lundgren, Andreas
name: Emonts, Bjorn
name: Kolwa, Sthabile
name: Dannerbauer, Helmut
name: Lehnert, Matthew
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present the detection of [CII] 158um emission from the Spiderweb galaxy at z=2.1612 using the Atacama Pathfinder EXperiment. The line profile splits into an active galactic nucleus (AGN) and circum galacic medium (CGM) component previously identified in CO and [CI]. We find that these individual [CII] components are consistent in terms of CO and far-IR luminosity ratios with the populations of other z>~1 AGN and dusty star-forming galaxies. The CGM component dominates the [CII] emission in the 10" APEX beam. Although we do not have spatially resolved data, the close correspondence of the velocity profile with the CO(1-0) detected only on scales of tens of kiloparsecs in CO(1-0) suggests that the [CII] emission is similarly extended, reminiscent of [CII] halos recently found around z>5 galaxies. Comparing the first four ionization states of carbon, we find that the atomic [CI] emission is dominant, which increases its reliability as a molecular mass tracer. Our [CII] detection at 601.8 GHz also demonstrates the feasibility to extend the frequency range of ALMA Band 9 beyond the original specifications.
description: 4 pages, 2 figures, accepted by Astronomy & Astrophysics Letters
Potential impacts of storm surge-induced flooding based on refined exposure estimation: a case study in Zhoushan island, China
Creators: name: Chen, Bairu
name: He, Junyu
name: He, Zhiguo
name: Li, Li
name: Chen, Qian
name: Li, Feixiang
name: Chu, Dongdong
name: Cao, Zeng
name: Yang, Xuchao
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Space Science
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Storm surge-induced flooding (SSIF) is a major hazard for coastal areas under intensified typhoons. Therefore, it is essential to assess the potential impacts of SSIF (SSPIA). This study proposes a multidisciplinary framework for refined SSPIA using an ocean model and a refined exposure estimation method. First, a finite-volume coastal ocean model (FVCOM) and a typhoon model were developed and validated. Then, five scenarios of varying intensity were defined and combined with FVCOM to identify inundation scenarios. Subsequently, machine learning was used to obtain the fine-scale gridded population and gross domestic product (GDP) maps based on the census and geospatial data. Finally, we assessed the magnitude of the affected population and GDP based on the inundation scenarios and refined exposure datasets. We selected Zhoushan Island as a study area to implement this framework. Our assessment results show that the lowest scenario (955 hPa) affected 2587 people and 323.745 million CNY of GDP, while the highest scenario (915 hPa) affected 259,516 people and 20,178.898 million CNY of GDP. Therefore, it is imperative to implement effective mitigation and adaptation measures to address the threat of SSIF. This framework will apply to all flood-prone areas for a refined assessment of the potential impacts of SSIF.
High-energy amplitudes and impact factors at next-to-leading order
Creators: name: Chirilli, Giovanni Antonio
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: To study scattering amplitudes at high-energy, the T-product of two currents can be expanded in terms of coefficient functions (impact factors) and matrix elements of ``composite color dipoles'' made of Wilson line operators with rapidity cutoff preserving conformal invariance. In the leading order, the high-energy evolution of color dipoles is governed by the non-linear Balitsky-Kovchegov (BK) equation. To describe the high-energy amplitudes in the next-to-leading order (NLO) one needs to know the coefficient function (``impact factor'') and the evolution of corresponding Wilson-line operators. Using the high-energy OPE, we find the next-to-leading order (NLO) correction to the BK equation and calculate the impact factor for virtual photons in deep inelastic scattering.
Theoretical description of fission yields: towards a fast and efficient global model
Creators: name: Sadhukhan, Jhilam
name: Giuliani, Samuel A.
name: Nazarewicz, Witold
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Background: A quantitative microscopic understanding of the fission-fragment yield distributions represents a major challenge for nuclear theory as it involves the intricate competition between large-amplitude nuclear collective motion and single-particle nucleonic motion. Purpose: A recently proposed approach to global modeling of fission fragment distributions is extended to account for odd-even staggering in charge yields and for neutron evaporation. Method: Fission trajectories are obtained within the density functional theory framework, allowing for a microscopic determination of the most probable fission prefragment configurations. Mass and charge yields distributions are constructed by means of a statistical approach rooted in a microcanonical ensemble. Result: We show that the proposed hybrid model can reproduce experimental mass and charge fragment yields, including the odd-even staggering, for a wide range of fissioning nuclei. Experimental isotopic yields can be described within a simple neutron evaporation scheme. We also explore fission fragment distributions of exotic neutron-rich and superheavy systems, and compare our predictions with other state-of-the art global calculations. Conclusion: Our study suggests that the microscopic rearrangement of nucleons into fission fragments occurs well before the scission, and that the subsequent dynamics is mainly driven by the thermal excitations and bulk features of the nuclear binding. The proposed simple hybrid approach is well suited for large-scale calculations involving hundreds of fissioning nuclei.
description: 11 pages, 13 figures
Investigation of phonon behavior in Pr2NiMnO6 by micro-Raman spectroscopy
Creators: name: Truong, K. D.
name: Singh, M. P.
name: Jandl, S.
name: Fournier, P.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The temperature dependence of phonon excitations and the presence of spin phonon coupling in polycrystalline Pr2NiMnO6 samples were studied using micro-Raman spectroscopy and magnetometry. Magnetic properties show a single ferromagnetic-to-paramagnetic transition at 228 K and a saturation magnetization close to 4.95 \muB/f.u.. Three distinct Raman modes at 657, 642, and 511 cm-1 are observed. The phonon excitations show a clear hardening due to anharmonicity from 300 K down to 10 K. Further, temperature dependence of the 657 cm-1 mode shows only a small softening. This reflects the presence of a relatively weak spin-phonon coupling in Pr2NiMnO6 contrary to other double perovskites previously studied.
description: 10 pages, 4 figs
Is 2021 PH27 an active asteroid with a meteor shower detectable on Venus?
Creators: name: Carbognani, Albino
name: Tanga, Paolo
name: Bernardi, Fabrizio
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The recently discovered near-Earth asteroid 2021 PH27 has the shortest orbital period of all known asteroids. It cannot be excluded that 2021 PH27 is also an active asteroid, as (3200) Phaethon. We intend to estimate the consequences of this hypothesis, although testing is difficult with ground-based observations during perihelion passages, due to low solar elongation. Assuming a surface activity similar to that of Phaethon, an increase in brightness of about 1.4 mag can be estimated. Since it is an asteroid with a MOID of $0.014660 \pm 0.000034$ AU with Venus, 2021 PH27 could be the equivalent of Phaethon for the Earth and be the progenitor body of a venusian meteor shower. A good opportunity to observe the hypothetical fireballs in Venus's atmosphere will take place on the days around Jun 07, 2023, when Venus will pass at the minimum distance from the nominal orbit of 2021 PH27. Another favorable date will be Jul 05, 2026. Finally, on Mar 28, 2022 the asteroid will also be at the maximum Sun elongation of about $52.3^{\circ}$ and at the aphelion of its orbit, the most favorable configuration to characterize it from the physical point of view with photometric, polarimetric and spectroscopic observations.
description: 5 pages, 3 figures, accepted for pubblication on Monthly Notices of the Royal Astronomical Society: Letters
A Very Metal-poor RR Lyrae Star with a Disk Orbit Found in the Solar Neighborhood
Creators: name: Matsunaga, Noriyuki
name: Itane, Akinori
name: Hattori, Kohei
name: Crestani, Juliana
name: Braga, Vittorio
name: Bono, Giuseppe
name: Taniguchi, Daisuke
name: Baba, Junichi
name: Maehara, Hiroyuki
name: Ukita, Nobuharu
name: Sakamoto, Tsuyoshi
name: Kobayashi, Naoto
name: Aoki, Tsutomu
name: Soyano, Takao
name: Tarusawa, Ken'ichi
name: Sarugaku, Yuki
name: Mito, Hiroyuki
name: Sako, Shigeyuki
name: Doi, Mamoru
name: Nakada, Yoshikazu
name: Izumi, Natsuko
name: Ita, Yoshifusa
name: Onozato, Hiroki
name: Jian, Mingjie
name: Kondo, Sohei
name: Hamano, Satoshi
name: Yasui, Chikako
name: Tsujimoto, Takuji
name: Otsubo, Shogo
name: Ikeda, Yuji
name: Kawakita, Hideyo
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Metal-deficient stars are important tracers for understanding the early formation of the Galaxy. Recent large-scale surveys with both photometric and spectroscopic data have reported an increasing number of metal-deficient stars whose kinematic features are consistent with those of the disk stellar populations. We report the discovery of an RR~Lyrae variable (hereafter RRL) that is located within the thick disk and has an orbit consistent with the thick-disk kinematics. Our target RRL (HD 331986) is located at around 1 kpc from the Sun and, with V=11.3, is among the 130 brightest RRLs known so far. However, this object was scarcely studied because it is in the midplane of the Galaxy, the Galactic latitude around -1 deg. Its near-infrared spectrum (0.91-1.32 micron) shows no absorption line except hydrogen lines of the Paschen series, suggesting [Fe/H] less than -2.5. It is the most metal-deficient RRL, at least, among the RRLs whose orbits are consistent with the disk kinematics, although we cannot determine to which of the disk and the halo it belongs. This unique RRL would provide us with essential clues for studying the early formation of stars in the inner Galaxy with further investigations, including high-resolution optical spectroscopy.
description: 13 pages, 7 figures, 6 tables, accepted for publication in ApJ