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This dataset contains a detailed simulation output that allows the construction and study of different data representations for electromagnetic and hadronic showers in calorimeters. It is published so that optimal data representations can…

High Energy Physics - Experiment · Physics 2025-09-29 Anna Zaborowska , Peter McKeown

We present a new approach to identification of boosted neutral particles using Electromagnetic Calorimeter (ECAL) of the LHCb detector. The identification of photons and neutral pions is currently based on the geometric parameters which…

Instrumentation and Detectors · Physics 2020-08-26 Alexey Boldyrev , Viktoria Chekalina , Fedor Ratnikov

We study the influence of shower fluctuations, and the possible presence of different nuclear species in the primary cosmic ray spectrum, on the experimental determination of both shower energy and the proton air inelastic cross section…

Astrophysics · Physics 2011-05-12 Jaime Alvarez-Muñiz , Ralph Engel , T. K. Gaisser , Jeferson A. Ortiz , Todor Stanev

This article presents the reconstruction of the electromagnetic activity from electrons and photons (showers) used in the MicroBooNE deep learning-based low energy electron search. The reconstruction algorithm uses a combination of…

High Energy Physics - Experiment · Physics 2022-03-02 MicroBooNE collaboration , P. Abratenko , R. An , J. Anthony , L. Arellano , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller , C. Barnes , G. Barr , V. Basque , L. Bathe-Peters , O. Benevides Rodrigues , S. Berkman , A. Bhanderi , A. Bhat , M. Bishai , A. Blake , T. Bolton , J. Y. Book , L. Camilleri , D. Caratelli , I. Caro Terrazas , F. Cavanna , G. Cerati , Y. Chen , D. Cianci , J. M. Conrad , M. Convery , L. Cooper-Troendle , J. I. Crespo-Anadon , M. Del Tutto , S. R. Dennis , P. Detje , A. Devitt , R. Diurba , R. Dorrill , K. Duffy , S. Dytman , B. Eberly , A. Ereditato , J. J. Evans , R. Fine , G. A. Fiorentini Aguirre , R. S. Fitzpatrick , B. T. Fleming , N. Foppiani , D. Franco , A. P. Furmanski , D. Garcia-Gamez , S. Gardiner , G. Ge , S. Gollapinni , O. Goodwin , E. Gramellini , P. Green , H. Greenlee , W. Gu , R. Guenette , P. Guzowski , L. Hagaman , O. Hen , C. Hilgenberg , G. A. Horton-Smith , A. Hourlier , R. Itay , C. James , X. Ji , L. Jiang , J. H. Jo , R. A. Johnson , Y. J. Jwa , D. Kalra , N. Kamp , N. Kaneshige , G. Karagiorgi , W. Ketchum , M. Kirby , T. Kobilarcik , I. Kreslo , I. Lepetic , K. Li , Y. Li , K. Lin , B. R. Littlejohn , W. C. Louis , X. Luo , K. Manivannan , C. Mariani , D. Marsden , J. Marshall , D. A. Martinez Caicedo , K. Mason , A. Mastbaum , N. McConkey , V. Meddage , T. Mettler , K. Miller , J. Mills , K. Mistry , T. Mohayai , A. Mogan , J. Moon , M. Mooney , A. F. Moor , C. D. Moore , L. Mora Lepin , J. Mousseau , M. Murphy , D. Naples , A. Navrer-Agasson , M. Nebot-Guinot , R. K. Neely , D. A. Newmark , J. Nowak , M. Nunes , O. Palamara , V. Paolone , A. Papadopoulou , V. Papavassiliou , S. F. Pate , N. Patel , A. Paudel , Z. Pavlovic , E. Piasetzky , I. Ponce-Pinto , S. Prince , X. Qian , J. L. Raaf , V. Radeka , A. Rafique , M. Reggiani-Guzzo , L. Ren , L. C. J. Rice , L. Rochester , J. Rodriguez Rondon , M. Rosenberg , M. Ross-Lonergan , G. Scanavini , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , R. Sharankova , J. Shi , J. Sinclair , A. Smith , E. L. Snider , M. Soderberg , S. Soldner-Rembold , P. Spentzouris , J. Spitz , M. Stancari , J. St. John , T. Strauss , K. Sutton , S. Sword-Fehlberg , A. M. Szelc , W. Tang , K. Terao , C. Thorpe , D. Totani , M. Toups , Y. -T. Tsai , M. A. Uchida , T. Usher , W. Van De Pontseele , B. Viren , M. Weber , H. Wei , Z. Williams , S. Wolbers , T. Wongjirad , M. Wospakrik , K. Wresilo , N. Wright , W. Wu , E. Yandel , T. Yang , G. Yarbrough , L. E. Yates , H. W. Yu , G. P. Zeller , J. Zennamo , C. Zhang

The original dual-readout calorimeter prototype (DREAM), constructed two decades ago, has proven instrumental in advancing our understanding of calorimetry. It has facilitated a multitude of breakthroughs by leveraging signals from…

Instrumentation and Detectors · Physics 2024-08-29 N. Akchurin , J. Cash , J. Damgov , X. Delashaw , K. Lamichhane , M. Harris , M. Kelley , S. Kunori , H. Mergate-Cacace , T. Peltola , O. Schneider , J. Sewell

The understanding of the reconstruction and calibration of electrons and photons is one of the key steps at the start-up of data-taking with ATLAS at the LHC (Large Hadron Collider). The calorimeter cells are electronically calibrated…

High Energy Physics - Experiment · Physics 2008-10-21 H. J. Kim

We study the self-similar structure of electromagnetic showers and introduce the notion of the fractal dimension of a shower. Studies underway of showers in various materials and at various energies are presented, and the range over which…

High Energy Physics - Phenomenology · Physics 2010-01-15 L. A. Anchordoqui , M. Kirasirova , T. P. McCauley , T. Paul , S. Reucroft , J. D. Swain

The precise reconstruction of properties of photons and electrons in modern high energy physics detectors, such as the CMS or Atlas experiments, plays a crucial role in numerous physics results. Conventional geometrical algorithms are used…

High Energy Physics - Experiment · Physics 2023-11-30 Polina Simkina , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

Present status of experimental studies of inelastic diffraction at the Large Hadron Collider is analysed. Impact of the current uncertainties concerning the diffraction rate on the predicted extensive air shower development is investigated.…

High Energy Physics - Phenomenology · Physics 2014-04-23 Sergey Ostapchenko

The accurate and precise extraction of information from a modern particle physics detector, such as an electromagnetic calorimeter, may be complicated and challenging. In order to overcome the difficulties we propose processing the detector…

Data Analysis, Statistics and Probability · Physics 2022-02-04 Elihu Sela , Shan Huang , David Horn

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

The demands placed on computational resources by the simulation requirements of high energy physics experiments motivate the development of novel simulation tools. Machine learning based generative models offer a solution that is both fast…

Instrumentation and Detectors · Physics 2023-04-03 Sascha Diefenbacher , Engin Eren , Frank Gaede , Gregor Kasieczka , Anatolii Korol , Katja Krüger , Peter McKeown , Lennart Rustige

The profile of the longitudinal development of showers produced by ultra-high energy cosmic rays carries information related to the interaction properties of the primary particles with atmospheric nuclei. In this work, we present the first…

High Energy Astrophysical Phenomena · Physics 2019-05-17 The Pierre Auger Collaboration , A. Aab , P. Abreu , M. Aglietta , I. F. M. Albuquerque , J. M. Albury , I. Allekotte , A. Almela , J. Alvarez Castillo , J. Alvar ez-Muñiz , G. A. Anastasi , L. Anchordoqui , B. Andrada , S. Andringa , C. Aramo , H. Asorey , P. Assis , G. Avila , A. M. Badescu , A. Bakalova , A. Balaceanu , F. Barbato , R. J. Barreira Luz , S. Baur , K. H. Becker , J. A. Bellido , C. Berat , M. E. Bertaina , X. Bertou , P. L. Biermann , J. Biteau , S. G. Blaess , A. Blanco , J. Blazek , C. Bleve , M. Boháčová , D. Boncioli , C. Bonifazi , N. Borodai , A. M. Botti , J. Brack , T. Bretz , A. Bridgeman , F. L. Briechle , P. Buchholz , A. Bueno , S. Buitink , M. Buscemi , K. S. Caballero-Mora , L. Caccianiga , L. Calcagni , A. Cancio , F. Canfora , J. M. Carceller , R. Caruso , A. Castellina , F. Ca talani , G. Cataldi , L. Cazon , J. A. Chinellato , J. Chudoba , L. Chytka , R. W. Clay , A. C. Cobos Cerutti , R. Colalillo , A. Coleman , M. R. Coluccia , R. Conce ição , A. Condorelli , G. Consolati , F. Contreras , M. J. Cooper , S. Coutu , C. E. Covault , B. Daniel , S. Dasso , K. Daumiller , B. R. Dawson , J. A. Day , R. M. d e Almeida , S. J. de Jong , G. De Mauro , J. R. T. de Mello Neto , I. De Mitri , J. de Oliveira , F. O. de Oliveira Salles , V. de Souza , J. Debatin , O. Deligny , N. Dhital , M. L. Díaz Castro , F. Diogo , C. Dobrigkeit , J. C. D'Olivo , Q. Dorosti , R. C. dos Anjos , M. T. Dova , A. Dundovic , J. Ebr , R. Engel , M. Erdmann , C. O. Escobar , A. Etchegoyen , H. Falcke , J. Farmer , G. Farrar , A. C. Fauth , N. Fazzini , F. Feldbusch , F. Fenu , L. P. Ferreyro , J. M. Figueira , A. Filipči č , M. M. Freire , T. Fujii , A. Fuster , B. García , H. Gemmeke , A. Gherghel-Lascu , P. L. Ghia , U. Giaccari , M. Giammarchi , M. Giller , D. Głas , J. Glombitza , G. Golup , M. Gómez Berisso , P. F. Gómez Vitale , N. González , I. Goos , D. Góra , A. Gorgi , M. Gottowik , T. D. Grubb , F. Guarino , G. P. Guedes , E. Guido , R. Halliday , M. R. Hampel , P. Hansen , D. Harari , T. A. Harrison , V. M. Harvey , A. Haungs , T. Hebbeker , D. Heck , P. Heimann , G. C. Hill , C. Hojvat , E. M. Ho lt , P. Homola , J. R. Hörandel , P. Horvath , M. Hrabovský , T. Huege , J. Hulsman , A. Insolia , P. G. Isar , I. Jandt , J. A. Johnsen , M. Josebachuili , J. Jurys ek , A. Kääpä , K. H. Kampert , B. Keilhauer , N. Kemmerich , J. Kemp , H. O. Klages , M. Kleifges , J. Kleinfeller , R. Krause , D. Kuempel , G. Kukec Mezek , A. K uotb Awad , B. L. Lago , D. LaHurd , R. G. Lang , R. Legumina , M. A. Leigui de Oliveira , V. Lenok , A. Letessier-Selvon , I. Lhenry-Yvon , O. C. Lippmann , D. Lo Presti , L. Lopes , R. López , A. López Casado , R. Lorek , Q. Luce , A. Lucero , M. Malacari , G. Mancarella , D. Mandat , B. C. Manning , P. Mantsch , A. G. Maria zzi , I. C. Mariş , G. Marsella , D. Martello , H. Martinez , O. Martínez Bravo , M. Mastrodicasa , H. J. Mathes , S. Mathys , J. Matthews , G. Matthiae , E. Mayot te , P. O. Mazur , G. Medina-Tanco , D. Melo , A. Menshikov , K. -D. Merenda , S. Michal , M. I. Micheletti , L. Middendorf , L. Miramonti , B. Mitrica , D. Mockler , S. Mollerach , F. Montanet , C. Morello , G. Morlino , M. Mostafá , A. L. Müller , M. A. Muller , S. Müller , R. Mussa , L. Nellen , P. H. Nguyen , M. Niculescu-O glinzanu , M. Niechciol , D. Nitz , D. Nosek , V. Novotny , L. Nožka , A Nucita , L. A. Núñez , A. Olinto , M. Palatka , J. Pallotta , M. P. Panetta , P. Papenbreer , G. Parente , A. Parra , M. Pech , F. Pedreira , J. Pękala , R. Pelayo , J. Peña-Rodriguez , L. A. S. Pereira , M. Perlin , L. Perrone , C. Peters , S. Petrera , J . Phuntsok , T. Pierog , M. Pimenta , V. Pirronello , M. Platino , J. Poh , B. Pont , C. Porowski , R. R. Prado , P. Privitera , M. Prouza , A. Puyleart , S. Querc hfeld , S. Quinn , R. Ramos-Pollan , J. Rautenberg , D. Ravignani , M. Reininghaus , J. Ridky , F. Riehn , M. Risse , P. Ristori , V. Rizi , W. Rodrigues de Carv alho , J. Rodriguez Rojo , M. J. Roncoroni , M. Roth , E. Roulet , A. C. Rovero , P. Ruehl , S. J. Saffi , A. Saftoiu , F. Salamida , H. Salazar , A. Saleh , G. Sali na , J. D. Sanabria Gomez , F. Sánchez , E. M. Santos , E. Santos , F. Sarazin , R. Sarmento , C. Sarmiento-Cano , R. Sato , P. Savina , M. Schauer , V. Scherini , H. Schieler , M. Schimassek , M. Schimp , F. Schlüter , D. Schmidt , O. Scholten , P. Schovánek , F. G. Schröder , S. Schröder , J. Schumacher , S. J. Sciutto , M. Scornavacche , R. C. Shellard , G. Sigl , G. Silli , O. Sima , R. Šmída , G. R. Snow , P. Sommers , J. F. Soriano , J. Souchard , R. Squartini , D. Stanca , S. Stan ič , J. Stasielak , P. Stassi , M. Stolpovskiy , A. Streich , F. Suarez , M. Suárez-Durán , T. Sudholz , T. Suomijärvi , A. D. Supanitsky , J. Šupík , Z. Szadkows ki , A. Taboada , O. A. Taborda , A. Tapia , C. Timmermans , C. J. Todero Peixoto , B. Tomé , G. Torralba Elipe , P. Travnicek , M. Trini , M. Tueros , R. Ulrich , M. Unger , M. Urban , J. F. Valdés Galicia , I. Valiño , L. Valore , P. van Bodegom , A. M. van den Berg , A. van Vliet , E. Varela , B. Vargas Cárdenas , R. A. Vá zquez , D. Veberič , C. Ventura , I. D. Vergara Quispe , V. Verzi , J. Vicha , L. Villaseñor , J. Vink , S. Vorobiov , H. Wahlberg , A. A. Watson , M. Weber , A. We indl , M. Wiedeński , L. Wiencke , H. Wilczyński , T. Winchen , M. Wirtz , D. Wittkowski , B. Wundheiler , L. Yang , A. Yushkov , E. Zas , D. Zavrtanik , M. Zavrt anik , L. Zehrer , A. Zepeda , B. Zimmermann , M. Ziolkowski , Z. Zong , F. Zuccarello

The bulk of air showers initiated by very high energy cosmic rays exhibits a longitudinal development in depth with a single well-defined shower maximum. However, a small fraction of showers has a profile that differs considerably from this…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Colin Baus , Ralph Engel , Tanguy Pierog , Ralf Ulrich , Michael Unger

Traditionally, longitudinal shower profiles are reconstructed in fluorescence light experiments by treating the Cherenkov light contribution as background. Here we will argue that, due to universality of the energy spectra of electrons and…

Astrophysics · Physics 2007-06-12 M. Unger , R. Engel , F. Schüssler , R. Ulrich

By exploiting structural differences between electromagnetic and hadronic showers in a multivariate analysis we present an efficient Electron-Hadron discrimination algorithm for liquid argon time projection chambers, validated using Geant4…

Instrumentation and Detectors · Physics 2015-06-11 J. J. Back , G. J. Barker , A. J. Bennieston , S. B. Boyd , B. Morgan , Y. A. Ramachers

We propose a novel approach for the determination of the nature of ultra-high energy cosmic rays by exploiting the geomagnetic deviation of muons in nearly horizontal showers. The distribution of the muons at ground level is well described…

Instrumentation and Methods for Astrophysics · Physics 2015-10-21 Pierre Billoir , Mariangela Settimo , Miguel Blanco

We introduce a first-ever algorithm for the reconstruction of multiple showers from the data collected with electromagnetic (EM) sampling calorimeters. Such detectors are widely used in High Energy Physics to measure the energy and…

Machine Learning · Computer Science 2022-01-05 Vladislav Belavin , Ekaterina Trofimova , Andrey Ustyuzhanin

The contribution of different components of an air shower to the total energy deposit in the atmosphere, for different angles and primary particles, was studied using the CORSIKA air shower simulation code. The amount of missing energy,…

A detailed investigation of hadronic interactions is performed using $\pi^-$-mesons with energies in the range 2--10 GeV incident on a high granularity silicon-tungsten electromagnetic calorimeter. The data were recorded at FNAL in 2008.…