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ATLAS searches for additional scalars and exotic Higgs boson decays with the LHC Run 2 dataset

physics Reports 2024年 1116卷 184-260页

作者： Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N.J. Abidi, S.H. Aboelela, M. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B.S. Ackermann, A. Adam Bourdarios, C. Adamczyk, L. Addepalli, S.V. Addison, M.J. Adelman, J. Adiguzel, A. Adye, T. Affolder, A.A. Afik, Y. Agaras, M.N. Agarwala, J. Aggarwal, A. Agheorghiesei, C. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ahuja, S. Ai, X. Aielli, G. Aikot, A. Ait Tamlihat, M. Aitbenchikh, B. Akbiyik, M. Åkesson, T.P.A. Akimov, A.V. Akiyama, D. Akolkar, N.N. Aktas, S. Al Khoury, K. Alberghi, G.L. Albert, J. Albicocco, P. Albouy, G.L. Alderweireldt, S. Alegria, Z.L. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, F. Algren, M. Alhroob, M. Ali, B. Ali, H.M.J. Ali, S. Alibocus, S.W. Aliev, M. Alimonti, G. Alkakhi, W. Allaire, C. Allbrooke, B.M.M. Allen, J.F. Allendes Flores, C.A. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Alsolami, Z.M.K. Alvarez Estevez, M. Alvarez Fernandez, A. Alves Cardoso, M. Alviggi, M.G. Aly, M. Amaral Coutinho, Y. Ambler, A. Amelung, C. Amerl, M. Ames, C.G. Amidei, D. Amirie, K.J. Amor Dos Santos, S.P. Amos, K.R. An, S. Ananiev, V. Anastopoulos, C. Andeen, T. Anders, J.K. Anderson, A.C. Andrean, S.Y. Andreazza, A. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Antipov, E. Antonelli, M. Anulli, F. Aoki, M. Aoki, T. Aparo, M.A. Aperio Bella, L. Appelt, C. Apyan, A. Arbiol Val, S.J. Arcangeletti, C. Arce, A.T.H. Arena, E. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Arnaez, O. Arnold, H. Artoni, G. Asada, H. Asai, K. Asai, S. Asbah, N.A. Ashby Pickering, R.A. Assamagan, K. Astalos, R. Astrand, K.S.V. Atashi, S. Atkin, R.J. Atkinson, M. Atmani, H. Atmasiddha, P.A. Augsten, K. Auricchio, S. Auriol, A.D. Austrup, V.A. Avolio, G. Axiotis, K. Azuelos, G. Babal, D. Bachacou, H. Bachas, K. Bachiu, A. Backman, F. Badea, A. Baer, T.M. Bagnaia, P. Bahmani, M. Bahner, D. Bai, K. Baines, J.T. Baines, L. Baker, O.K. Bakos, E. Bakshi Gupta, D. Balabram Filho, L.E. Balakrishnan, V. Balasubramanian, R. B Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Division of Physics TOBB University of Economics and Technology Ankara LAPP Université Savoie Mont Blanc CNRS/IN2P3 Annecy France APC Université Paris Cité CNRS/IN2P3 Paris France High Energy Physics Division Argonne National Laboratory Argonne IL Department of Physics University of Arizona Tucson AZ United States Department of Physics University of Texas at Arlington Arlington TX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin Austin TX United States Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Institut de Física d'Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory Berkeley CA United States University of California Berkeley CA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Department of Physics Istanbul University Istanbul Facultad de Ciencias y Centro de Investigaciónes Universidad Antonio Nariño Bogotá Colombia Departamento de Física Universidad Nacional de Colombia

This report reviews the published results of searches for possible additional scalar particles and exotic decays of the Higgs boson performed by the ATLAS Collaboration using up to 140 fb⁻¹ of 13 TeV proton–proton collision data collected during Run 2 of the Large Hadron Collider. Key results are examined, and observed excesses, while never statistically compelling, are noted. Constraints are placed on parameters of several models which extend the Standard Model, for example by adding one or more singlet or doublet fields, or offering exotic Higgs boson decay channels. Summaries of new searches as well as extensions of previous searches are discussed. These new results have a wider reach or attain stronger exclusion limits. New experimental techniques that were developed for these searches are highlighted. Search channels which have not yet been examined are also listed, as these provide insight into possible future areas of exploration. © 2024 The Author(s)

关键词： ATLAS Exotic Higgses Exotic scalars LHC

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Extending the ElGamal Cryptosystem to the Third Group of Units of n

arXiv

引用

arXiv 2025年

作者： Hamza, Jana EL Hindi, Mohammad Kadri, Seifeddine Kadri, Therrar Awad, Yahya Department of Mathematics and Physics Faculty of Arts and Sciences Lebanese International University Bekaa Lebanon Department of Mathematics and Computer Science Faculty of Science Beirut Arab University Beirut Lebanon Faculty of Applied Computing and Technology Norof University College Kristiansand Norway Department of Science Nourthwestern Polytechnic Grande Prairie Canada

In this paper, we extend the ElGamal cryptosystem to the third group of units of the ring n, which we prove to be more secure than the previous extensions. We describe the arithmetic needed in the new setting. We also provide some numerical simulations that shows the security and efficiency of our proposed *** Codes 20D45, 68W30 © 2025, CC0.

关键词： Digital arithmetic

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Optimizing thermalizations

arXiv

引用

arXiv 2022年

作者： Korzekwa, Kamil Lostaglio, Matteo Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Kraków30-348 Poland Korteweg-de Vries Institute for Mathematics and QuSoft University of Amsterdam Netherlands QuTech Delft University of Technology P.O. Box 5046 Delft2600 GA Netherlands

We present a rigorous approach, based on the concept of continuous thermomajorisation, to algorithmically characterise the full set of energy occupations of a quantum system accessible from a given initial state through weak interactions with a heat bath. The algorithm can be deployed to solve complex optimization problems in out-of-equilibrium setups and it returns explicit elementary control sequences realizing optimal transformations. We illustrate this by finding optimal protocols in the context of cooling, work extraction and catalysis. The same tools also allow one to quantitatively assess the role played by memory effects in the performance of thermodynamic protocols. We obtained exhaustive solutions on a laptop machine for systems with dimension d ≤ 7, but with heuristic methods one could access much higher d. Copyright © 2022, The Authors. All rights reserved.

关键词： Heuristic methods

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Investigating overtaking collisions of solitary waves in the Schamel equation

arXiv

引用

arXiv 2023年

作者： Flamarion, Marcelo V. Pelinovsky, Efim Didenkulova, Ekaterina Unidade Acadêmica do Cabo de Santo Agostinho UFRPE/Rural Federal University of Pernambuco BR 101 Sul Cabo de Santo PE Agostinho54503-900 Brazil Institute of Applied Physics 46 Uljanov Str. Nizhny Novgorod603155 Russia Faculty of Informatics Mathematics and Computer Science HSE University Nizhny Novgorod603155 Russia

This article presents a numerical investigation of overtaking collisions between two solitary waves in the context of the Schamel equation. Our study reveals different regimes characterized by the behavior of the wave interactions. In certain regimes, the collisions maintain two well-separated crests consistently over time, while in other regimes, the number of local maxima undergoes variations following the patterns of 2 → 1 → 2 → 1 → 2 or 2 → 1 → 2. These findings demonstrate that the geometric Lax-categorization observed in the Korteweg-de Vries equation (KdV) for two-soliton collisions remains applicable to the Schamel equation. However, in contrast to the KdV, we demonstrate that an algebraic Lax-categorization based on the ratio of the initial solitary wave amplitudes is not feasible for the Schamel equation. Additionally, we show that the statistical moments for two-solitary wave collisions are qualitatively similar to the KdV equation and the phase shifts after soliton interactions are close to ones in integrable KdV and modified KdV models. Copyright © 2023, The Authors. All rights reserved.

关键词： Korteweg-de Vries equation

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Fidelity decay and error accumulation in random quantum circuits

arXiv

引用

arXiv 2024年

作者： de Buruaga, Nadir Samos Sáenz Bistron, Rafal Rudziński, Marcin Pereira, Rodrigo M.C. Życzkowski, Karol Ribeiro, Pedro CeFEMA LaPMET Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais Lisboa1049-001 Portugal Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University ul. Lojasiewicza 11 Kraków30-348 Poland Doctoral School of Exact and Natural Sciences Jagiellonian University ul. Lojasiewicza 11 Kraków30-348 Poland Center for Theoretical Physics Polish Academy of Sciences Al. Lotników 32/46 Warszawa02-668 Poland

Fidelity decay captures the inevitable state degradation in any practical implementation of a quantum process. We devise bounds for the decay of fidelity for a generic evolution given by a random quantum circuit model that encompasses errors arising from the implementation of two-qubit gates and qubit permutations. We show that fidelity decays exponentially with both circuit depth and the number of qubits raised to an architecture-dependent power and we determine the decay rates as a function of the amplitude of the aforementioned errors. Furthermore, we demonstrate the utility of our results in benchmarking quantum processors using the quantum volume figure of merit and provide insights into strategies for improving processor performance. These findings pave the way for understanding how states evolving under generic quantum dynamics degrade due to the accumulation of different kinds of perturbations. Copyright © 2024, The Authors. All rights reserved.

关键词： Qubits

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The Terms Estimation of S Robotics using MTRS as well as FEM

The Terms Estimation of S Robotics using MTRS as well as FEM

引用

Advance Computing and Innovative Technologies in Engineering (ICACITE), International Conference on

作者： R. Gopal Mustafa Mudhafar Amjad Hashem Venkadeshan Ramalingam Dibyahash Bordoloi Muhammad Numan Ali Khan Myasar Mundher Adnan Zahraa N. Abdulhussain Assistant Professor Information and communication Engineering College of Engineering University of Buraimi Sultanate of Oman Department of Medical Physics Faculty of Medical Applied Sciences University of Kerbala Karbala Iraq Computer Engineer Department Al-kunooze University College Basra Iraq Network Computing College of Computing and Information Sciences University of Technology and Applied Sciences– Shinas Sultanate of Oman Dept of CSE Graphic Era Hill University Adjunct professor Graphic Era Deemed to be University Dehradun Uttarakhand Faculty – Network Computing College of Computing and Information Sciences University of Technology and Applied Sciences – Shinas Sultanate of Oman Department of computers Techniques engineering College of technical engineering The Islamic university Najaf Iraq College of Technical Engineering National University of Science and TechnologyDhi Qar Iraq

ISBN: (数字)9798350360165

ISBN: (纸本)9798350360172

This look at addresses the critical project of reaching dependable and precise proprioception in soft robots, it really is essential for his or her effective deployment in complicated environments. By integrating multi-tap resistive sensors in the robot’s form, our technique lets in for the distinct sensing of nearby deformations at various factors throughout the robotics’ frame, moving beyond traditional techniques that anticipate steady curvature. We beautify the decision of these deformations and couple the sensory facts with a strong finite detail technique (FEM) model. This included framework allows the correct estimation of the smooth robot’s form and the significance of outside forces applied to it, attaining a mean relative inaccuracy of about 4%. Additionally, our technique proves its software program in tender manipulation structures, in which it achieves thirteen% relative mistakes in external force estimation inside diverse zero to five N. The approach gives a promising direction for enhancing robotic interactions in sensitive and dynamic responsibilities, providing massive enhancements in robotic proprioception without reliance on outdoor monitoring generation.

关键词： Deformable models Deformation Force Estimation Soft robotics Robot sensing systems Software

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Performance of NEMA characteristics of Modular J-PET

Performance of NEMA characteristics of Modular J-PET

引用

IEEE Symposium on Nuclear science (NSS/MIC)

作者： F. Tayefi Ardebili S. Niedźwiecki J. Baran E. Beyene D. Borys K. Brzezinski N. Chug A. Coussat C. Curceanu E. Czerwinski M. Dadgar K. Dulski K. Eliyan J. Gajewski A. Gajos B. Hiesmayr A. Jedruszczak K. Kacprzak M. Kajetanowicz T. Kaplanoglu L. Kapłon K. Klimaszewski G. Korcyl T. Kozik W. Krzemien D. Kumar G. Lapkiewicz W. Migdal S. Moyo W. Mryka S. Parzych E. Pérez del Río L. Raczyński S. Sharma S. Shivani R. Shopa M. Skurzok P. Tanty K. Tayefi Ardebili W. Wislicki E. Stępień P. Moskal Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Center for Theranostics Jagiellonian University Krakow Poland Total-Body Jagiellonian-PET Laboratory Jagiellonian University Krakow Poland Faculty of Physics University of Vienna Vienna Austria Department of Systems Biology and Engineering Silesian University of Technology Gliwice Poland Laboratori Nazionali di Frascati INFN Frascati Italy Department of Electronics and Information Systems Ghent University Ghent Belgium Department of Complex Systems National Centre for Nuclear Research Otwock-Swierk Poland Institute of Nuclear Physics PAN IFJPAN Krakow Poland

The Modular J-PET scanner, developed by the J-PET collaboration, is a new prototype PET scanner developed based on axially arranged plastic scintillators as a large axial field of view (50cm) affordable tomograph. In this study, the performance characteristics of the scanner were evaluated according to NEMA NU2-2018 standards using Monte Carlo simulation. In order to ensure the selection of true coincidence events, certain criteria were established. Specifically, each photon emitting from a single annihilation must deposit at least 200 keV within 4 ns of a coincidence time window. The preliminary results showed that the sensitivity profile peak was 4 cps/kBq at the center of the detector, While the scatter fraction was estimated to be 39% using the single slice rebinning algorithm. Spatial resolution was estimated around 4.5 mm in the radial and tangential direction and 18 mm in the axial direction.

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Spin fluctuations sufficient to mediate superconductivity in nickelates

arXiv

引用

arXiv 2023年

作者： Worm, Paul Wang, Qisi Kitatani, Motoharu Bialo, Izabela Gao, Qiang Ren, Xiaolin Choi, Jaewon Csontosová, Diana Zhou, Ke-Jin Zhou, Xingjiang Zhu, Zhihai Si, Liang Chang, Johan Tomczak, Jan M. Held, Karsten Institute of Solid State Physics TU Wien Vienna1040 Austria Physik-Institut Universität Zürich Winterthurerstrasse 190 ZürichCH-8057 Switzerland Department of Physics The Chinese University of Hong Kong Shatin Hong Kong Department of Material Science University of Hyogo Ako Hyogo678-1297 Japan Wako Saitama351-0198 Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Kraków30-059 Poland Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing100190 China Diamond Light Source Harwell Campus DidcotOX11 0DE United Kingdom Department of Condensed Matter Physics Faculty of Science Masaryk University Kotlárská 2 Brno611 37 Czech Republic School of Physics Northwest University Xi'An710127 China Department of Physics King's College London Strand LondonWC2R 2LS United Kingdom

Infinite-layer nickelates show high-temperature superconductivity, and the experimental phase diagram agrees well with the one simulated within the dynamical vertex approximation (DΓA). Here, we compare the spin-fluctuation spectrum behind these calculations to resonant inelastic Xray scattering experiments. The overall agreement is good. This independent cross-validation of the strength of spin fluctuations strongly supports the scenario, advanced by DΓA, that spin-fluctuations are the mediator of the superconductivity observed in nickelates. © 2023, CC BY.

关键词： Spin fluctuations

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Morphosyntactic Probing of Multilingual BERT Models

arXiv

引用

arXiv 2023年

作者： Acs, Judit Hamerlik, Endre Schwartz, Roy Smith, Noah A. Kornai, Andras Budapest Hungary Budapest University of Technology and Economics Budapest Hungary Department of Applied Informatics Comenius University in Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia Hebrew University of Jerusalem Jerusalem Israel Paul G. Allen School of Computer Science and Engineering University of Washington SeattleWA United States Allen Institute for Artificial Intelligence SeattleWA United States

We introduce an extensive dataset for multilingual probing of morphological information in language models (247 tasks across 42 languages from 10 families), each consisting of a sentence with a target word and a morphological tag as the desired label, derived from the Universal Dependencies treebanks. We find that pre-trained Transformer models (mBERT and XLM-RoBERTa) learn features that attain strong performance across these tasks. We then apply two methods to locate, for each probing task, where the disambiguating information resides in the input. The first is a new perturbation method that "masks" various parts of context;the second is the classical method of Shapley values. The most intriguing finding that emerges is a strong tendency for the preceding context to hold more information relevant to the prediction than the following context. © 2023, CC BY.

关键词： Perturbation techniques

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The Model Of The Multilayer Blood-Filled Biological Tissue

The Model Of The Multilayer Blood-Filled Biological Tissue

引用

IEEE International Conference on Bioinformatics and Biomedicine (BIBM)

作者： Serhii Mamilov Igor Bekh Elizabeth Bekh Institute of Applied Problems of Physics and Biophysics of NAS of Ukraine Kyiv Ukraine Faculty of radiophysics electronics and computer systems Taras Shevchenko National University of Kyiv Kyiv Ukraine Faculty of computer science and cybernetics Taras Shevchenko National University of Kyiv Kyiv Ukraine

ISBN: (纸本)9781665429825

The aim of this work is to create an algorithm for the analysis of light absorption in the layers of biological tissue and its software implementation. During the work based on the iterative Monte Carlo method, an algorithm was developed and implemented to calculate the fraction of light power (with a given number of particles, for three different wavelengths) absorbed during the passage through a multilayer blood-filled biological tissue. It is shown that the algorithm created and implemented in this work is quite suitable for use to calculate the amount of absorbed power of the photons, and with minor modifications - and to record the actual events of absorption and scattering. The algorithm takes into account refraction and loss during transitions between different layers of the environment, which repeats the real physical features of the fabric. For wavelengths of 550 nm, 600 nm and 850 nm in environments such as epidermis and dermis absorption is significant, and in venous blood, arterial blood and subcutaneous layer - the least. For a wave 550 nm long, a large power of photons absorbed in the bone should be noted.

关键词： Monte Carlo methods Absorption Biological system modeling Biological tissues Software algorithms Scattering Nonhomogeneous media

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