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Showing 375 results for "samos)" in Physics · Preprint
Physics Preprint PDF DOI

Hindered Prompt-Neutron Evaporation in Surrogate Reactions for $^{239}$Pu(n,f)

D. Ramos, M. Caamano, F. Farget, C. Rodriguez-Tajes, A. Lemasson, M. Rejmund, C. Schmitt, E. Clement, O. Litaize, O. Serot, L. Audouin, J. Benlliure, E. Casarejos, D. Cortina, D. Dore, B. Fernandez-Dominguez, G. de France, A. Heinz, B. Jacquot, C. Paradela, T. Roger · 2026

Isotopic fission-fragment distributions of $^{240}$Pu have been measured, for the first time, as a function of the initial excitation energy, and the prompt neutron multiplicity has been derived from …

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Physics Preprint PDF DOI

A graph-based Neural Network surrogate model for accelerating semi-analytical model of galaxy formation and evolution

Xuejie Li, Zhongxu Zhai, Xiaohu Yang, Andrew Benson, Yun Wang · 2026

Understanding how galaxy populations emerge and evolve from the growth of dark matter structure is a central challenge in galaxy formation theory. Semi-analytic models (SAMs) provide an efficient fram…

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Physics Preprint PDF DOI

Anisotropic spin-valley coupling in SiMOS and Si/SiGe quantum dots

N. Tobias Jacobson, Natalie D. Foster, Ryan M. Jock, Andrew M. Mounce, Daniel R. Ward, Malcolm S. Carroll, Dwight R. Luhman · 2026

While bulk silicon has long been understood to exhibit relatively weak spin-orbit coupling (SOC), confinement of electrons to quantum dots (QDs) at a silicon heterointerface results in significantly l…

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An infinite family of homogeneous discrete equations with the Laurent property

Andrei K. Svinin · 2026

We present and investigate a new infinite family of homogeneous equations which possess the Laurent property. The first representative in this family is the well-known Somos-5 recurrence.…

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Physics Preprint PDF DOI

Introducing sapphire: Towards Hybrid Physics-Informed, Data-Driven Modeling of Galaxy Formation

Viraj Pandya, Greg L. Bryan, T. Lucas Makinen, Austen Gabrielpillai, Christopher Carr, Drummond B. Fielding, Lars Hernquist, Matthew Ho, Kartheik Iyer, Christian Kragh Jespersen, Sophie Koudmani, Marta Laska, Pablo Lemos, Christopher C. Lovell, Lucia A. Perez, William F. Robinson Jr., Rachel S. Somerville, Tjitske K. Starkenburg, Richard Stiskalek, Bryan Terrazas, G. Mark Voit · 2026

Semi-analytic models (SAMs) have been treating galaxy populations as dynamical systems for $\gtrsim50$ years, but their evolution equations remain poorly constrained. We introduce sapphire, a modular,…

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Physics Preprint PDF DOI

The CYGNO experiment: a gaseous TPC with optical readout for rare events searches

F.D. Amaro, R. Antonietti, E. Baracchini, L. Benussi, C. Capoccia, M. Caponero, L.G.M de Carvalho, G. Cavoto, I.A. Costa, A. Croce, M. D'Astolfo, G. D'Imperio, G. Dho, E. Di Marco, J.M.F. dos Santos, D. Fiorina, F. Iacoangeli, Z. Islam, H. P. Lima Jr, G. Maccarrone, R.D.P. Mano, D. J. G. Marques, G. Mazzitelli, P. Meloni, A. Messina, C.M.B. Monteiro, R.A. Nobrega, I.F. Pains, E. Paoletti, F. Petrucci, S. Piacentini, D. Pierluigi, D. Pinci, F. Renga, A. Russo, G. Saviano, P.A.O.C. Silva, N. J. C. Spooner, R. Tesauro, S. Tomassini, S. Torelli, D. Tozzi · 2026

The CYGNO collaboration is developing a novel strategy for directional Dark Matter searches based on a gaseous Time Projection Chamber (TPC). The detector is optimized for the exploration of light (0.…

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Physics Preprint PDF DOI

SAM Molecular Stacking with Heterogeneous Orientationfor High-Performance Perovskite Photovoltaics

Lei Huang, Kai-Li Wang, Zhang Chen, Zhen-Huang, Saidjafar Murodzoda, Xin Chen, Jing Chen, Chun-Hao Chen, Yu Xia, Yu-Tong Yang, Jia-Cheng Li, Dilshod Nematov, Ilhan Yavuz, Zhao-Kui Wang · 2026

This study demonstrates that thermal-evaporated SAM (eSAM) films, particularly in a thick configuration, spontaneously adopt a heterogeneous molecular orientation, forming a vertical-to-horizontal gra…

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Chiral-Induced Spin Selectivity Effect in a 1 nm Thin 1,1'-Binaphthyl-2,2'-diyl Hydrogenphosphate Self-Assembled Monolayer on Nickel Oxide

Abin Nas Nalakath, Christian Pfeiffer, Anu Gupta, Franziska Scholzel, Michael Zharnikov, Georgeta Salvan, Ron Naaman, Marc Tornow, Peer Kirsch · 2026

The chiral-induced spin selectivity (CISS) effect describes an observed correlation between the orientation of an electron spin transported or transferred through a molecule and that molecule's chiral…

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Hankel Determinants from Quadratic Orthogonal Pairs for Hyperelliptic Functions and Their Applications

Xiang-Ke Chang, Jiyuan Liu · 2026

As argued by Hone in the paper [Commun. Pure Appl. Math., 74(11):2310--2347, 2021], a ``mismatch" problem remained unsolved while he was investigating continued fraction expansions and Hankel determin…

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Data reduction method for OPTICAM multiband time series of transiting exoplanets

S. Paez, Y. Gomez Maqueo Chew, L. H. Hebb · 2026

We present a methodology for acquiring and reducing transiting exoplanet light curves obtained with the OPTICAM instrument in the Observatorio Astron\'omico Nacional en la Sierra de San Pedro M\'artir…

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Dynamics and interaction of solitons in the BPS limit and their internal modes

S. Navarro-Obregon · 2026

The main objective of this thesis has been to analyse soliton dynamics in detail, with special attention paid to the role of the internal modes associated with these configurations. Specifically, the …

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High-resolution resonant inelastic X-ray scattering study of W-L3 edge in WSi2

Zheqian Zhao, Shuxing Wang, Xiyuan Wang, Yang Su, Ziru Ma, Xinchao Huang, Linfan Zhu · 2026

With the advancement of synchrotron radiation and free-electron laser, X-ray quantum optics has emerged as a novel frontier for exploring light-matter interactions at high photon energies. A significa…

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Gate Stack Engineering for High-Mobility and Low-Noise SiMOS Quantum Devices

Md. Mamunur Rahman, Ensar Vahapoglu, Kok Wai Chan, Tuomo Tanttu, Ajit Dash, Jonathan Yue Huang, Steve Yianni, Venkatesh Chenniappan, Jesus D. Cifuentes, Fay Hudson, Christopher C. Escott, Yik Kheng Lee, Nard Dumoulin Stuyck, Arne Laucht, Andrea Morello, Andre Saraiva, Jared H. Cole, Andrew S. Dzurak, Wee Han Lim · 2026

We systematically investigate the interplay between materials engineering, quantum transport, and low-frequency charge noise in silicon metal--oxide--semiconductor (SiMOS) quantum devices. By combinin…

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Inertial Frame Dragging as a Probe to Differentiate Kerr-Newman Naked Singularities from Black Holes

Arindam Kumar Chatterjee, Parthapratim Pradhan · 2026

We study the spin precession of a test gyroscope attached to a stationary observer in Kerr-Newman spacetime to distinguish a naked singularity from a black hole. Extending earlier work on Kerr, we exa…

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Observations of Binary Stars with the 1.3-m Devasthal Fast Optical Telescope Using Speckle Interferometry: An Attempt

Km Nitu Rai, Arjun Dawn, Neelam Panwar, Jeewan C Pandey, Subrata Sarangi, Prasenjit Saha · 2026

We present a feasibility study exploring the implementation of optical interferometry and speckle techniques with the 1.3-m Devasthal Fast Optical Telescope (DFOT) at ARIES, which is currently dedicat…

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Physics Preprint PDF DOI

Performance of the Particle-Identification Silicon-Telescope Array Coupled with the VAMOS++ Magnetic Spectrometer

L. Begue-Guillou, A. Lemasson, P. Morfouace, D. Ramos, J. Taieb, J.D. Frankland, M. Rejmund, G. Fremont, P. Gangnant, A. Cobo-Zarzuelo, N. Kumar, T. Efremov, A. Chatillon, E. Clement, G. De France, A. Francheteau, I. Jangid, C. Lenain, D. Mauss, T. Tanaka, L. Audoin, M. Caamano, B. Errandonea, M. Godio, D. Gruyer, B. Jacquot, M. Lalande, R. C. Malone, A. Munoz, A. P. D. Ramirez, J. L. Rodriguez-Sanchez, C. Schmitt, O. Syrett, C. Surrault, A. P. Tonchev · 2026

The Particle-Identification Silicon-Telescope Array (PISTA) is a new detection system designed for high-resolution studies of the fission process induced by multi-nucleon transfer in inverse kinematic…

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Level structure of light neutron-rich La isotopes beyond the N=82 shell closure

A. Navin, E. H. Wang, S. Bhattacharyya, Menglan Liu, Cenxi Yuan, M. Rejmund, A. Lemasson, S. Biswas, Y.H. Kim, C. Michelagnoli, J. H. Hamilton, A. V. Ramayya, I. Stefan, R. Banik, P. Bednarczyk, Soumik Bhattacharya, E. Clement, H.L. Crawford, G. de France, P. Fallon, G. Fremont J. Goupil, B. Jacquot, H.J. Li, J. Ljungvall, Y. X. Luo, A. Maj, L. Menager, V. Morel, G. Mukherjee, R. Palit, R.M. Perez-Vidal, J. O. Rasmussen, J. Ropert, C. Schmitt, S. J. Zhu · 2026

The high spin excited states of Lanthanum isotopes $^{140-143}$La, above the $N=82$ closed shell, have been populated in fission reactions. The prompt $\gamma$-ray transitions were measured using two …

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Captured are circularized: A relativistic treatment of extreme mass ratio inspirals crossing accretion disks

Yuhe Zeng, Zhen Pan · 2026

A small body orbiting around an accreting massive object and periodically crossing its accretion disk is a common configuration in astrophysics. In this work, we investigate the secular evolution of e…

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In situ and operando laboratory X-ray absorption spectroscopy at high temperature and controlled gas atmosphere with a plug-flow fixed-bed cell

Sebastian Praetz, Emiliano Dal Molin, Delf Kober, Marko Tesic, Christopher Schlesiger, Peter Kraus, Julian T. Muller, Jyothilakshmi Ravi Aswin, Daniel Grotzsch, Maged F. Bekheet, Albert Gili, Aleksander Gurlo, Birgit Kanngie{ss}er · 2026

The capabilities of a plug-flow fixed-bed cell for operando studies of heterogeneous catalysts are demonstrated using laboratory-based X-ray absorption spectroscopy (XAS) with a von Hamos spectrometer…

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Data acquisition from high-rate detectors at MAX IV

Paul Bell, Michele Cascella, Felix Engelmann, Thomas Eriksson, Aleko Lilius, Zdenek Matej, Jeremy Metz, Andrii Salnikov, Clemens Weninger, Meghdad Yazdi · 2026

At MAX IV pixelated area detectors are operated at high frame rates to take advantage of the X-ray beam properties available from the fourth generation synchrotron in scattering, diffraction and imagi…

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