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We develop a potential algorithm to relate the depth development of ultra high energy extensive air showers and the time delay for individual muons. The time distributions sampled at different positions at ground level by a large air shower…

Astrophysics · Physics 2009-11-10 L. Cazon , R. A. Vazquez , E. Zas

In future high-energy physics experiments, the electromagnetic calorimeter (ECAL) will operate in exceptionally high-luminosity. An ECAL featuring layered readout in the longitudinal direction and precise time-stamped information offers a…

High Energy Physics - Experiment · Physics 2025-05-08 J. Fei , A. Yuan , K. Wei , L. Sun , J. Wang

On basis of the theorem of a universal shower development stating that a hadronically generated extensive air shower is completely described by the primary energy, the position of the shower maximum and a parameter related to the total muon…

We investigate photon--pion discrimination in regimes where electromagnetic showers overlap at the scale of calorimeter granularity. Using full detector simulations with fine-grained calorimeter segmentation of approximately…

High Energy Physics - Experiment · Physics 2026-02-06 Yuval Frid , Liron Barak

We have observed a significant enhancement in the energy deposition by $25$--$100~\mathrm{GeV}$ photons in a $1~\mathrm{cm}$ thick tungsten crystal oriented along its $\langle 111 \rangle$ lattice axes. At $100~\mathrm{GeV}$, this…

DAMPE is a space-based mission designed as a high energy particle detector measuring cosmic-rays and $\gamma-$rays which was successfully launched on Dec.17, 2015. The BGO electromagnetic calorimeter is one of the key sub-detectors of DAMPE…

Instrumentation and Detectors · Physics 2017-04-06 Chuan Yue , Jingjing Zang , Tiekuang Dong , Xiang Li , Zhiyong Zhang , Stephan Zimmer , Wei Jiang , Yunlong Zhang , Daming Wei

Pions constitute nearly $70\%$ of final state particles in ultra high energy collisions. They act as a probe to understand the statistical properties of Quantum Chromodynamics (QCD) matter i.e. Quark Gluon Plasma (QGP) created in such…

Data Analysis, Statistics and Probability · Physics 2021-03-31 Yogesh Verma , Satyajit Jena

The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter uses a unique longitudinal configuration of scintillator…

High Energy Physics - Experiment · Physics 2012-08-27 Tilecal Atlas Collaboration

Motivated by the computational limitations of simulating interactions of particles in highly-granular detectors, there exists a concerted effort to build fast and exact machine-learning-based shower simulators. This work reports progress on…

The average extensive air shower longitudinal development profile as a function of shower age in the energy range from 10$^{17}$ to 10$^{18}$eV is measured using data from the hybrid HiRes/MIA experiment. An angular bin signal based…

Astrophysics · Physics 2011-05-23 T. Abu-Zayyad et. al

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

The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter uses a unique longitudinal configuration of scintillator…

High Energy Physics - Experiment · Physics 2007-05-23 Yuri A. Kulchitsky

Simulating showers of particles in highly-granular calorimeters is a key frontier in the application of machine learning to particle physics. Achieving high accuracy and speed with generative machine learning models can enable them to…

Instrumentation and Detectors · Physics 2026-02-02 Thorsten Buss , Frank Gaede , Gregor Kasieczka , Anatolii Korol , Katja Krüger , Peter McKeown , Martina Mozzanica

In air shower experiments information about the initial cosmic ray particle or about the shower development is obtained by exploiting the correlations between the quantities of interest and the directly measurable quantities. It is shown…

Astrophysics · Physics 2007-05-23 Wolfgang Wittek , Harald Kornmayer , The HEGRA Collaboration

In this work we consider the problem of determining the identity of hadrons at high energies based on the topology of their energy depositions in dense matter, along with the time of the interactions. Using GEANT4 simulations of a…

To achieve state-of-the-art jet energy resolution for Particle Flow, sophisticated energy clustering algorithms must be developed that can fully exploit available information to separate energy deposits from charged and neutral particles.…

An improved weighting algorithm applied to hadron showers has been developed for a fine grained LAr calorimeter. The new method uses tabulated weights which depend on the density of energy deposited in individual cells and in a surrounding…

Instrumentation and Detectors · Physics 2009-11-10 C. Issever , K. Borras , D. Wegener

High density electromagnetic sandwich calorimeters with high readout granularity are considered for many future collider and fix-target experiments. Optimization of the calorimeter structure from the point of view of the electromagnetic…

High Energy Physics - Experiment · Physics 2024-10-01 Oleksandr Borysov , Shan Huang , Kamil Zembaczyński , Aleksander Filip Żarnecki

We study the longitudinal development of hadronic showers in water and ice for energies up to 100 EeV. We present results of a hybrid Monte Carlo method developed for the purpose of simulating those showers. We show parameterizations of the…

Astrophysics · Physics 2007-05-23 J. Alvarez-Muñiz , E. Zas

The mass composition of high energy cosmic rays above $10^{17}$ eV is a crucial issue to solve some open questions in astrophysics such as the acceleration and propagation mechanisms. Unfortunately, the standard procedures to identify the…

Astrophysics · Physics 2008-11-26 F. Catalani , J. A. Chinellato , V. de Souza , J. Takahashi , G. M. S. Vasconcelos