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Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint , Journal 16 Apr 2021Embargo end date: 01 Jan 2021 Spain, Czech Republic, Netherlands, Argentina, Belgium, Italy, Spain, Italy, Italy, Germany, Australia, Netherlands, Italy, Netherlands, Slovenia, Netherlands, Czech Republic, Australia, Italy, Italy, Italy, Germany, Italy, Belgium, France, Netherlands, Argentina Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 126 (issn: 0031-9007, eissn: 1079-7114,

Authors: Francesco Fenu; Antonio Bueno; R. Sato; Roberto Mussa; Olivier Deligny; H.O. Klages; Jörg R. Hörandel; +193 Authors

Francesco Fenu; Antonio Bueno; R. Sato; Roberto Mussa; Olivier Deligny; H.O. Klages; Jörg R. Hörandel; Jeffrey A. Johnsen; M. Pimenta; Martin Vacula; T. Pierog; Danielle LaHurd; M. Perlin; M. Perlin; Radomir Smida; Ioana Codrina Maris; Alessio Gorgi; Stijn Buitink; Alfred Müller; Alfred Müller; Justin M. Albury; M. R. Hampel; D. Lo Presti; Ladislav Chytka; C. M. Schäfer; A. M. Botti; M. M. Freire; Ugo Giaccari; M. Unger; Julien Manshanden; Vincenzo Rizi; Fridtjof Feldbusch; A.C. Cobos Cerutti; Humberto Ibarguen Salazar; Christian Sarmiento-Cano; Samo Stanič; Petr Travnicek; Pavel Horvath; D. de Oliveira Franco; L. Lopes; D. Heck; Paula Gina Isar; D. Nosek; Valerio Pirronello; Jaime Alvarez-Muñiz; Luis A. Nunez; O. Martínez Bravo; Steffen Hahn; Steffen Hahn; L. Perrone; M. Risse; Olena Tkachenko; A. Yushkov; H. Wilczyński; Gualberto Avila; J. Pallotta; Carla Aramo; M. Kleifges; Denis Stanca; I. Allekotte; J. Kleinfeller; M. Platino; S. Petrera; Peter Hansen; Jon Paul Lundquist; David Wittkowski; Maria Rita Coluccia; P.F. Gómez Vitale; Maximilian Reininghaus; Maximilian Reininghaus; T. Suomijärvi; Heino Falcke; Heino Falcke; J. Vicha; Ralf Ulrich; W. M. Namasaka; Alan Watson; Piera Luisa Ghia; R. M. de Almeida; A. C. Fauth; J. Rautenberg; Dariusz Gora; F. Sánchez; Gaia Silli; Gaia Silli; Sergio Dasso; C. Morello; M. Gómez Berisso; P. Ristori; Roger W Clay; B. García; Magdalena Cerdá; G. C. Hill; R. Squartini; Flavia Gesualdi; Flavia Gesualdi; S. Schröder; R. C. Shellard; M. Suárez-Durán; A. Fuster; A. Fuster; L. Bonneau Arbeletche; J. Rodriguez Rojo; Alex Kääpä; Hernan Wahlberg; M. J. Roncoroni; A. Streich; A. Streich; P. Stassi; Mihai Niculescu-Oglinzanu; Valerio Verzi; G. Medina-Tanco; I. Valiño; Josina Schulte; Fernando Gollan; Serguei Vorobiov; Denise Boncioli; S. J. De Jong; Martin Erdmann; D. Martello; Martina Bohacova; Silvia Mollerach; Peter Buchholz; B. Andrada; R. Alves Batista; J. Stasielak; G. Farrar; Tristan Sudholz; Sofia Andringa; Florian Lukas Briechle; Maximilian Stadelmaier; Maximilian Stadelmaier; Trent D. Grubb; Corinne Berat; David Schmidt; J. de Jesús; J. de Jesús; Carlo Ventura; Niraj Dhital; A. C. Rovero; Alejandro Almela; Alejandro Almela; J. de Oliveira; M. Schimp; Marina Scornavacche; Marina Scornavacche; E. M. Santos; G. De Mauro; A. Lucero; M. Trini; J. Hulsman; J. Hulsman; F. Salamida; R. Halliday; P. Mantsch; L. Nellen; M. Schimassek; M. Schimassek; Sullivan Marafico; Esteban Roulet; G. Parente; R. López; Felix Schlüter; Felix Schlüter; V. Scherini; John Matthews; A. Taboada; M. Wirtz; Brian Fick; Carlos Escobar; J. Debatin; Antonella Castellina; B. Keilhauer; Nataliia Borodai; F. C. T. Barbato; Cristina Galea; Tobias Winchen; François Montanet; Dusan Mandat; B. L. Lago; Giovanni Mancarella; G. Cataldi; Alan Coleman; Orazio Zapparrata; Isabel Goos; Isabel Goos; M. del Río; R. Conceição; Rossella Caruso; Gioacchino Alex Anastasi; R.C. dos Anjos; Matias Tueros; B. C. Manning; Rodrigo Guedes Lang; S. Querchfeld; Juan Pablo Gongora; Antonio Condorelli; Miroslav Hrabovský; Andres Travaini; Kai Daumiller;

doi: 10.1103/physrevlett.126.152002 , 10.48550/arxiv.2102.07797 , 10.18154/rwth-2021-06356 , 10.18154/rwth-2021-06261 , 10.5445/ir/1000132348

pmid: 33929235

arXiv: 2102.07797 , http://arxiv.org/abs/2102.07797

handle: https://repository.ubn.ru.nl/handle/2066/233842 , 11588/890393 , 11245.1/5ed79105-3e64-4694-a7ef-da4cd79d26da , 11370/fab92bb1-a5a8-46ff-8c78-678d9ec39ee8 , 2066/233842 , 2434/1033155 , 10347/32680 , 10481/69265 , 20.500.12556/RUNG-6516 , 11573/1644814 , 11311/1175292 , 20.500.14017/1a6e2be1-6d2b-446b-8570-92ee2749c142 , 11697/168860 , 11587/458359 , 20.500.11769/526699 , 2318/1803379 , 2440/131247 , 2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/326472 , 2133/23412

Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory

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Abstract

We present the first measurement of the fluctuations in the number of muons in extensive air showers produced by ultrahigh energy cosmic rays. We find that the measured fluctuations are in good agreement with predictions from air shower simulations. This observation provides new insights into the origin of the previously reported deficit of muons in air shower simulations and constrains models of hadronic interactions at ultrahigh energies. Our measurement is compatible with the muon deficit originating from small deviations in the predictions from hadronic interaction models of particle production that accumulate as the showers develop.

Published version, 11 pages, 3 figures, 1 table, Supplemental material appended

Countries

Spain, Czech Republic, Netherlands, Argentina, Belgium, Italy, Spain, Italy, Italy, Germany, Australia, Netherlands, Italy, Netherlands, Slovenia, Netherlands, Czech Republic, Australia, Italy, Italy, Italy, Germany, Italy, Belgium, France, Netherlands, Argentina

Related Organizations

Universidad de Medellín
Colombia
University of Leeds
United Kingdom
Vrije Universiteit Amsterdam
Netherlands
Case Western Reserve University
United States
University of Salento
Italy

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Keywords

high energy, interaction: model, Astronomy, Particle interactions, hadronic interaction models, ultra-high energy cosmic rays, Strong interaction, Ultra-high energy cosmic rays, muons properties, hadronic models, cosmic ray; particle interaction; astroparticle detectors, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), iron, surface [detector], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, Particle production, air showers, Hadronic Interaction Models, Physics, ddc:530, measured [fluctuation], model [interaction], model: hadronic, Pierre Auger Observatory, fluctuation: measured, extensive air showers (EAS), Auger, observatory, info:eu-repo/classification/udc/52, atmosphere [showers], Sciences exactes et naturelles, Pierre Auger Collaboration, model [particle], Particle Production, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Cherenkov counter: water, air, UHE [cosmic radiation], FOS: Physical sciences, 612, 530, detector: fluorescence, cosmic rays, muon, calorimeter, High Energy Physics, cosmic radiation: UHE, distribution function, electromagnetic component, Astrophysique, fluorescence [detector], showers: atmosphere, hep-ex, detector: surface, water [Cherenkov counter], particle: model, Ultra High-energy Cosmic Rays, Experimental High Energy Physics, Elementary Particles and Fields, hadronic [model], Extensive Air Showers, EAS muonic component

1 Research products, page 1 of 1

Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory
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