Related papers: Investigation of the hadronic interaction models u…

Study of Dispersion of Mass Distribution of Ultra-High Energy Cosmic Rays using a Surface Array of Muon and Electromagnetic Detectors

We consider a hypothetical observatory of ultra-high energy cosmic rays consisting of two surface detector arrays that measure independently electromagnetic and muon signals induced by air showers. Using the constant intensity cut method,…

High Energy Astrophysical Phenomena · Physics 2015-04-08 Jakub Vícha , Petr Trávníček , Dalibor Nosek , Jan Ebr

Measurement of the muon flux at the SND@LHC experiment

The Scattering and Neutrino Detector at the LHC (\SND) started taking data at the beginning of Run 3 of the LHC. The experiment is designed to perform measurements with neutrinos produced in proton-proton collisions at the LHC in an energy…

High Energy Physics - Experiment · Physics 2023-11-17 LHC Collaboration

High-precision measurement of the W boson mass with the CMS experiment

In the standard model of particle physics, the masses of the W and Z bosons, the carriers of the weak interaction, are uniquely related. A precise determination of their masses is important because quantum loops of heavy, undiscovered…

High Energy Physics - Experiment · Physics 2026-04-10 CMS Collaboration

Soft Particle Production in Very High Energy Hadron Interactions

Indications of a discrepancy between simulations and data on the number of muons in cosmic ray (CR) showers exist over a large span of energies. We focus in particular on the excess of multi-muon bundles observed by the DELPHI detector at…

High Energy Astrophysical Phenomena · Physics 2017-03-08 Jan Ebr , Petr Necesal , Jan Ridky

The muon $g$-2 and $\Delta \alpha$ connection

The discrepancy between the Standard Model theory and experimental measurement of the muon magnetic moment anomaly, $a_{\mu}=\left(g_{\mu}-2\right)/2$, is connected to precision electroweak (EW) predictions via their common dependence on…

High Energy Physics - Phenomenology · Physics 2020-08-25 Alexander Keshavarzi , William J. Marciano , Massimo Passera , Alberto Sirlin

Test of the hadronic interaction models at around *10 TeV with Tibet EAS core data

A hybrid experiment has been started by AS{\gamma} collaboration at Tibet, China, since May 2009, that consists of a burst-detector-grid (YAC, Yangbajing Air shower Core array) and the Tibet air-shower array (Tibet-III). The first step of…

High Energy Physics - Experiment · Physics 2013-03-14 gamma Collaboration

Studies of Hadronic Showers in SND@LHC

The SND@LHC experiment was built for observing neutrinos arising from LHC pp collisions. The detector consists of two sections: a target instrumented with SciFi modules and a hadronic calorimeter/muon detector. Energetic $\nu$N collisions…

Instrumentation and Detectors · Physics 2025-10-14 LHC Collaboration

Sibyll$^\bigstar$: ad-hoc modifications for an improved description of muon data in extensive air showers

Current simulations of air showers produced by ultra-high energy cosmic rays (UHECRs) do not satisfactorily describe recent experimental data, particularly when looking at the muonic shower component relative to the electromagnetic one.…

High Energy Astrophysical Phenomena · Physics 2023-09-12 Felix Riehn , Ralph Engel , Anatoli Fedynitch

Flux Variations of Cosmic Ray Air Showers Detected by LHAASO-KM2A During a Thunderstorm on 10 June 2021

The Large High Altitude Air Shower Observatory (LHAASO) has three sub-arrays, KM2A, WCDA and WFCTA. The flux variations of cosmic ray air showers were studied by analyzing the KM2A data during the thunderstorm on 10 June 2021. The number of…

High Energy Astrophysical Phenomena · Physics 2022-12-07 LHAASO Collaboration , F. Aharonian , Q. An , Axikegu , L. X. Bai , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , J. T. Cai , Zhe Cao , Zhen Cao , J. Chang , J. F. Chang , E. S. Chen , Liang Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. J. Chen , Y. Chen , H. L. Cheng , N. Cheng , Y. D. Cheng , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , K. K. Duan , J. H. Fan , Y. Z. Fan , Z. X. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. L. Feng , B. Gao , C. D. Gao , L. Q. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , L. S. Geng , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Gu , J. G. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , S. L. He , X. B. He , Y. He , M. Heller , Y. K. Hor , C. Hou , X. Hou , H. B. Hu , Q. Hu , S. Hu , S. C. Hu , X. J. Hu , D. H. Huang , W. H. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Z. C. Huang , X. L. Ji , H. Y. Jia , K. Jia , K. Jiang , Z. J. Jiang , M. Jin , M. M. Kang , T. Ke , D. Kuleshov , B. B. Li , Cheng Li , Cong Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , Jian Li , Jie Li , K. Li , W. L. Li , X. R. Li , Xin Li , Xin Li , Y. Z. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. S. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. Liu , Y. N. Liu , W. J. Long , R. Lu , Q. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , A. Masood , Z. Min , W. Mitthumsiri , Y. C. Nan , Z. W. Ou , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , Y. Q. Qi , B. Q. Qiao , J. J. Qin , D. Ruffolo , A. Sáiz , C. Y. Shao , L. Shao , O. Shchegolev , X. D. Sheng , J. Y. Shi , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Z. B. Tang , W. W. Tian , B. D. Wang , C. Wang , H. Wang , H. G. Wang , J. C. Wang , J. S. Wang , L. P. Wang , L. Y. Wang , R. Wang , R. N. Wang , W. Wang , X. G. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Y. J. Wang , Y. P. Wang , Z. H. Wang. Z. X. Wang , Zhen Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , X. F. Wu , Y. S. W , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , Z. Xiong , D. L. Xu , R. X. Xu , L. Xue , D. H. Yan , J. Z. Yan , C. W. Yang , F. F. Yang , H. W. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , Z. K. Zeng , M. Zha , X. X. Zhai , B. B. Zhang , F. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , L. X. Zhang , Li Zhang , Lu Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. B. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. F. Zhang , Y. L. Zhang , Yi Zhang , Yong Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , Y. Zheng , B. Zhou , H. Zhou , J. N. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

Limitations on Space-based Air Fluorescence Detector Apertures obtained from IR Cloud Measurements

The presence of clouds between an airshower and a space-based detector can dramatically alter the measured signal characteristics due to absorption and scattering of the photonic signals. Furthermore, knowledge of the cloud cover in the…

Astrophysics · Physics 2007-05-23 John Krizmanic , Pierre Sokolsky , Robert Streitmatter

Charge asymmetry dependence of flow and a novel correlator to detect the chiral magnetic wave in a multiphase transport model

In a multiphase transport model with the initial electric quadrupole moment, we studied and discussed the charge asymmetry ($A_{\rm ch}$) dependence of flow at varied kinematic windows in semi-central Au+Au collisions at $\sqrt{s_{\rm NN}}$…

High Energy Physics - Phenomenology · Physics 2019-12-25 Diyu Shen , Jinhui Chen , Guoliang Ma , Yu-Gang Ma , Qiye Shou , Song Zhang , Chen Zhong

Comparing Calculations of Seasonal Variations of Atmospheric Muons in Deep Underground Detectors

Cosmic rays interact with nuclei in the Earth's atmosphere to produce extensive air showers, which give rise to the atmospheric muon flux. Temperature fluctuations in the atmosphere influence the rate of muons measured in deep underground…

High Energy Physics - Phenomenology · Physics 2025-09-23 Amanda Alves , Lilly Pyras , Dennis Soldin , Stef Verpoest

A new observable in extensive air showers

We find that the ratio r_{mu e} of the muon to the electromagnetic component of an extended air shower at the ground level provides an indirect measure of the depth X_{max} of the shower maximum. This result, obtained with the air-shower…

High Energy Astrophysical Phenomena · Physics 2016-10-18 C. A. García Canal , J. I. Illana , M. Masip , S. J. Sciutto

Simulation analysis with rock muons from atmospheric neutrino interactions in the ICAL detector at INO

The proposed magnetized Iron CALorimeter detector (ICAL) to be built in the India-based Neutrino Observatory (INO) laboratory aims to study atmospheric neutrinos and its properties such as precision measurements of oscillation parameters…

High Energy Physics - Phenomenology · Physics 2023-11-23 R. Kanishka , D. Indumathi , Lakshmi S. Mohan , V. Bhatnagar

A new approach to the study of high energy muon bundles with the MACRO detector at Gran Sasso

The MACRO experiment detected more than 300000 multiple muon events. We analysed these events to measure the distribution of the separation of underground TeV muons (decoherence function), up to a distance of 70 meters. On a subsample of…

High Energy Physics - Experiment · Physics 2007-05-23 M. Sioli

An explanation of the muon puzzle of ultrahigh-energy cosmic rays and the role of the Forward Physics Facility for model improvement

We investigate the observed muon deficit in air shower simulations when compared to ultrahigh-energy cosmic ray (UHECR) data. Based upon the observed enhancement of strangeness production in high-energy hadronic collisions reported by the…

High Energy Physics - Phenomenology · Physics 2022-04-01 Luis A. Anchordoqui , Carlos Garcia Canal , Felix Kling , Sergio J. Sciutto , Jorge F. Soriano

Preliminary results of a WIMP search with EDELWEISS-II cryogenic detectors

The EDELWEISS-II experiment uses cryogenic heat-and-ionization detectors in order to detect the rare interactions from possible WIMP dark matter particles on Germanium nuclei. Recently, new-generation detectors with an interleaved electrode…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 E. Armengaud

Measurements of $W^{+}W^{-}$ production in decay topologies inspired by searches for electroweak supersymmetry

This paper presents a measurement of fiducial and differential cross-sections for $W^{+}W^{-}$ production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding…

High Energy Physics - Experiment · Physics 2023-11-16 ATLAS Collaboration

No muon excess in extensive air showers at 100-500 PeV primary energy: EAS-MSU results

Some discrepancies have been reported between observed and simulated muon content of extensive air showers: the number of observed muons exceeded the expectations in HiRes-MIA, Yakutsk and Pierre Auger Observatory data. Here, we analyze the…

High Energy Astrophysical Phenomena · Physics 2017-04-19 Yu. A. Fomin , N. N. Kalmykov , I. S. Karpikov , G. V. Kulikov , M. Yu. Kuznetsov , G. I. Rubtsov , V. P. Sulakov , S. V. Troitsky

Direct measurement of interfacial Dzyaloshinskii-Moriya interaction at the MoS$_{\rm 2}$/Ni$_{80}$Fe$_{20}$ interface

We report on a direct measurement of sizable interfacial Dzyaloshinskii-Moriya interaction (iDMI) at the interface of two-dimensional transition metal dichalcogenide (2D-TMD), MoS$_{\rm 2}$ and Ni$_{80}$Fe$_{20}$ (Py) using Brillouin light…

Applied Physics · Physics 2020-06-17 Akash Kumar , Avinash Kumar Chaurasiya , Niru Chowdhury , Amrit Kumar Mondal , Rajni Bansal , Arun Barvat , Suraj P Khanna , Prabir Pal , Sujeet Chaudhary , Anjan Barman , P. K. Muduli