Related papers: Analytical Representation of the Longitudinal Hadr…

Modified Hadronic Interactions and the future of UHECR observations

Data from multiple experiments suggest that the current interaction models used in Monte Carlo simulations do not correctly reproduce the hadronic interactions in air showers produced by ultra-high-energy cosmic rays (UHECR). We have…

High Energy Astrophysical Phenomena · Physics 2025-05-06 Jan Ebr , Jiří Blažek , Jakub Vícha , Tanguy Pierog , Eva Santos , Petr Trávníček , Nikolas Denner , Ralf Ulrich

Performance of the ATLAS Detector on First Single Beam and Cosmic Ray Data

We report on performance studies of the ATLAS detector obtained with first single LHC (Large Hadron Collider) beam data in September 2008, and large samples of cosmic ray events collected in the fall of 2008. In particular, the performance…

Instrumentation and Detectors · Physics 2015-05-14 Martin Aleksa

Universality of the muon component of extensive air showers

In extensive air shower experiments, the number of muons crossing a detector at a given position, as well as their arrival time, arrival direction, and energy, are determined by a more fundamental 3-dimensional distribution linked to the…

High Energy Physics - Phenomenology · Physics 2023-03-15 Lorenzo Cazon , Rúben Conceição , Felix Riehn

Hadroproduction in heavy-ion collisions

The shapes of invariant differential cross section for charged particle production as function of transverse momentum measured in heavy-ion collisions are analyzed. The data measured at RHIC and LHC are treated as function of energy density…

High Energy Physics - Phenomenology · Physics 2013-05-03 A. A. Bylinkin , A. A. Rostovtsev , N. S. Chernyavskaya

Particle identification capability of a homogeneous calorimeter composed of oriented crystals

Recent studies have shown that the electromagnetic shower induced by a high-energy electron, positron or photon incident along the axis of an oriented crystal develops in a space more compact than the ordinary. On the other hand, the…

High Energy Physics - Experiment · Physics 2024-10-23 Pietro Monti-Guarnieri , Laura Bandiera , Nicola Canale , Stefano Carsi , Davide De Salvador , Vincenzo Guidi , Viktar Haurylavets , Giulia Lezzani , Francesco Longo , Lorenzo Malagutti , Sofia Mangiacavalli , Andrea Mazzolari , Matthew Moulson , Riccardo Negrello , Gianfranco Paternò , Leonardo Perna , Christian Petroselli , Michela Prest , Marco Romagnoni , Giosuè Saibene , Alessia Selmi , Francesco Sgarbossa , Mattia Soldani , Alexei Sytov , Victor Tikhomirov , Erik Vallazza

Energy-Calibration of the ATLAS Hadronic and Electromagnetic Liquid-Argon Endcap Calorimeters

In 2002 the first combined beam test of the hadronic and electromagnetic liquid-argon endcap calorimeters of the ATLAS experiment took place at the SPS test beam at CERN. A total of 15 million events from electrons, muons and pions in the…

Instrumentation and Detectors · Physics 2019-08-15 Sven Menke

Statistical Thermal Models in High-Energy Nuclear Physics

An examination of thermal models leads to the important signature of the expected critical behavior of the hadronic matter. A presentation is mainly devoted to the final volume effects. Canonical suppression factor are calculated.

High Energy Physics - Phenomenology · Physics 2009-01-19 Ludwik Turko

Measurement of attenuation length of the muon content in extensive air showers from 0.3 to 30 PeV with LHAASO

The attenuation length of the muon content in extensive air showers provides important information regarding the generation and development of air showers. This information can be used not only to improve the description of such showers but…

High Energy Physics - Experiment · Physics 2026-01-07 The LHAASO Collaboration , Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , J. Blunier , A. V. Bukevich , C. M. Cai , Y. Y. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , E. S. Chen , G. H. Chen , H. K. Chen , L. F. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , X. P. Chen , Y. Chen , N. Cheng , Q. Y. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , Y. X. Diao , A. J. Dong , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , K. J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , R. P. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , X. L. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , A. Inventar , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Xin Li , Y. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , I. O. Maliy , J. R. Mao , Z. Min , W. Mitthumsiri , Y. Mizuno , G. B. Mou , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , Z. W. Ou , P. Pattarakijwanich , Z. Y. Pei , D. Y. Peng , J. C. Qi , M. Y. Qi , J. J. Qin , D. Qu , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Savchenko , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , D. X. Sun , H. Sun , J. X. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , D. H. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , Y. F. Xiao , Y. L. Xin , H. D. Xing , Y. Xing , D. R. Xiong , B. N. Xu , C. Y. Xu , D. L. Xu , R. F. Xu , R. X. Xu , S. S. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. Y. Zhang , Li Zhang , P. F. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , S. Y. Zhang , W. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , T. C. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo

Hadrons in Hot and Dense Matter

The description of excitations in hot and dense (hadronic) matter is discussed with emphasis on the use of correlation functions as a common framework for comparing different model (and QCD lattice) calculations with each other. Typical…

Nuclear Theory · Physics 2009-11-07 R. Rapp

Relative luminosity measurement of the LHC with the ATLAS forward calorimeter

In this paper it is shown that a measurement of the relative luminosity changes at the LHC may be obtained by analysing the currents drawn from the high voltage power supplies of the electromagnetic section of the forward calorimeter of the…

Instrumentation and Detectors · Physics 2015-03-17 A. Afonin , A. V. Akimov , T. Barillari , V. Bezzubov , M. Blagov , H. M. Braun , D. Bruncko , S. V. Chekulaev , A. Cheplakov , R. Degele , S. P. Denisov , V. Drobin , P. Eckstein , V. Ershov , V. N. Evdokimov , J. Ferencei , V. Fimushkin , A. Fischer , H. Futterschneider , V. Garkusha , A. Glatte , C. Handel , J. Huber , N. Javadov , M. Kazarinov , A. Khoroshilov , A. E. Kiryunin , E. Kladiva , M. Kobel , A. A. Komar , M. Komogorov , A. Kozelov , G. Krupny , V. Kukhtin , S. Kulikov , L. L. Kurchaninov , E. Ladygin , A. B. Lazarev , A. Levin , W. F. Mader , A. L. Maslennikov , S. Menke , L. Merkulov , A. Neganov , H. Oberlack , C. J. Oram , R. Othegraven , S. V. Peleganchuk , V. Petrov , S. Pivovarov , G. E. Pospelov , N. Prokopenko , J. Rascvetalov , N. Rusakovich , J. P. Rutherfoord , D. Salihagic , A. Y. Savine , P. Schacht , H. Secker , F. Seifert , V. Seleznev , L. Shaver , S. Shilov , A. A. Snesarev , M. Soldatov , J. Spalek , M. Speransky , D. Stoyanova , A. Straessner , P. Strizenec , V. V. Sulin , A. Talyshev , S. Tapprogge , Yu. A. Tikhonov , Y. Usov , V. Vadeev , I. Vasiliev , R. Walker , C. Zeitnitz

The Alaric parton shower for hadron colliders

We introduce the Alaric parton shower for simulating QCD radiation at hadron colliders and present numerical results from an implementation in the event generator Sherpa. Alaric provides a consistent framework to quantify certain systematic…

High Energy Physics - Phenomenology · Physics 2024-04-23 Stefan Höche , Frank Krauss , Daniel Reichelt

Concept and status of the CALICE analog hadron calorimeter engineering prototype

A basic prototype for an analog hadron calorimeter for a future linear collider detector is currently being realized by the CALICE collaboration. The aim is to show the feasibility to build a realistic detector with fully integrated readout…

Instrumentation and Detectors · Physics 2019-08-14 Mark Terwort

Fractal Dimension of Particle Showers Measured in a Highly Granular Calorimeter

We explore the fractal nature of particle showers using Monte-Carlo simulation. We define the fractal dimension of showers measured in a high granularity calorimeter designed for a future lepton collider. The shower fractal dimension…

Instrumentation and Detectors · Physics 2015-06-18 Manqi Ruan , Daniel Jeans , Vincent Boudry , Jean-Claude Brient , Henri Videau

Hydrodynamic emission of strange and non-strange particles at RHIC and LHC

The hydrodynamic model is used to describe the single-particle spectra and elliptic flow of hadrons at RHIC and to predict the emission angle dependence of HBT correlations at RHIC and LHC energies.

Nuclear Theory · Physics 2009-11-10 Ulrich W. Heinz

Upgrade of the ATLAS hadronic Tile calorimeter for the High luminosity LHC

The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS detector at the LHC. It is a sampling calorimeter consisting of alternating thin steel plates and scintillating tiles. Wavelength shifting…

Instrumentation and Detectors · Physics 2017-09-04 Michaela Mlynarikova

SDHCAL technological prototype test beam results

The Semi-Digital Hadronic Calorimeter (SDHCAL) is proposed to equip the future ILC detector. A technological prototype of the SDHCAL developed within the CALICE collaboration has been extensively tested in test beams. We review here the…

Instrumentation and Detectors · Physics 2021-05-17 Héctor García Cabrera

New Developments of EPOS 2

Since 2006, EPOS hadronic interaction model is being used for very high energy cosmic ray analysis. Designed for minimum bias particle physics and used for having a precise description of SPS and RHIC heavy ion collisions, EPOS brought more…

High Energy Astrophysical Phenomena · Physics 2010-11-17 T. Pierog , Iu. Karpenko , S. Porteboeuf , K. Werner

Impact of Varying Atmospheric Profiles on Extensive Air Shower Observation: Fluorescence Light Emission and Energy Reconstruction

Several experiments measure the fluorescence light produced by extensive air showers in the atmosphere. This light is converted into a longitudinal shower profile from which information on the primary energy and composition is derived. The…

Astrophysics · Physics 2007-05-23 B. Keilhauer , J. Bluemer , R. Engel , H. O. Klages

Upgrade of the ATLAS Liquid Argon Calorimeters for the High-Luminosity LHC

The increased particle flux at the high luminosity phase of the Large Hadron Collider (HL-LHC), with instantaneous luminosities of up to 7.5 times the original design value, will have an impact on many sub-systems of the ATLAS detector.…

Instrumentation and Detectors · Physics 2016-12-22 Thomas G. McCarthy

Investigating the Longitudinal Development of EAS with Ultra High Energies

The simulation of the extensive air showers was performed by investigating the longitudinal development parameters (N and Xmax) by using AIRES system version 19.04.0. The simulation was performed at the energy range (10^18-10^20 eV) for…

High Energy Astrophysical Phenomena · Physics 2022-01-04 Abbas Rahi Raham , A. A. Al-Rubaiee , Majida H. Al-Kubaisy