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The Lateral Distribution Function of Shower Signals in the Surface Detector of the Pierre Auger Observatory

M. Roth M. Ave A. Letessier X. Bertou O. Deligny C. Lachaud E. Altmann P. Alvarez P. Bauleo C. Bonifazi A. Etchegoyen R. Eusebi N. Fazzini A. Ferrero A. Filevich A. Reguera A. Cillis M.T. Dova L.N. Epele C. Grunfeld A. Mariazzi N. Martinez E. Roulet S.J. Sciutto A. Veiga I. Allekotte G. Avila L. Masperi M. Orsaria A. Rovero R.W. Clay B.R. Dawson R. Pace D. Riordan G.J. Thornton N.R. Wild C. Boutonnet 1 J.M. Brunet 1 J.N. Capdevielle 1 F. Cohen 1 B. Courty 1 L. Guglielmi 1 J.J. Jaeger 1 Benoît Revenu G. Tristram 1 J. Waisbard 1 P. Billoir M. Boratav A. Castera S. Dagoret-Campagne B. Genolini 2 F. Lefebvre 2 I. Lhenry-Yvon 2 T.N. Trung 2 E. Parizot 2 J. Pouthas 2 T. Suomijarvi 2 J.N. Albert C. Arnault R. Bilhaut A. Cordier E. Cormier P. Eschstruth O. Jouniaux B. Lavigne Oleg Lodygensky J. Rypko Martin Urban H. Bluemer E. Bollmann T. Csabo A. Grindler R. Gumbsheimer D. Heck H. Hucker H. Kern H.O. Klages J. Kleinfeller H.J. Mathes P. Matussek I. Michel-Piper M. Risse G. Schleif T. Thouw M. Balzer R. Berg D. Bormann H. Gemmeke H. Giraud M. Kleifges A. Kopmann N. Kunka A. Menchikov B. Osswald U. Remmel D. Tscherniakhovski N. Barenthien K.H. Kampert B. Keilhauer S. Argiro D.V. Camin C. Guerard M. Ambrosio C. Bernardini P. Facal R. Filosofi M. Fois G. Matthiae P. Privitera G. Salina G. Borreani R. Cester E. Menichetti N. Pastrone C. Aramo E. Cangiano R. Fonte A. Insolia G. Raia D. Gora P. Homola M. Kutschera M. Ostrowski B. Wilczynska H. Wilczynski I. Arcon A. Filipcic D. Zavrtanik M. Zavrtanik P. Clark L. de Bruijn J. Knapp J. Lloyd-Evans M. Patel V. Tunnicliffe P. Walker A. Watson K. Arisaka Y. Bonushkin J. Kubic W. Slater A. Tripathi J. Brack G. Hofman R. Ristinen J. Harton J. Sites D. Warner R. Wilson J.W. Cronin K. Gibbs M. Albrow R. Andrews E. Berman D. Hoffer H. Glass C. Hojvat P. Mantsch P. Mazur H. Spinka L. Voyvodic J.M. Matthews M. Mcewen R. Meyhandan J. Darling A. Dorofeev B. Nemiroff D. Nitz B. Rafert S. Ruotsala Z. Szadkowski M. Trombley B. Dieterle J. Matthews S. Riley M. Roberts P. Allison J. Beatty S. Coutu M. Duvernois G. Cassiday B. Fick P. Sommers Luis. Anchordoqui M. Machacek T. Paul J. Swain L. Taylor A. Akhperjanian A. Chilingarian G. Hovsepian E. Mnatzakanian V. Sahakian S. Ter-Antonian C. Aguirre R. Bustos K. Choque A. Ticona R. Ticona A. Velarde D.Q. Thieu P. Darriulat N. Chung N.T. Dzung P.N. Dinh P.T. Phuong V.V. Thuan
Abstract : The surface detector (SD) array of the southern Pierre Auger Observatory will consist of a triangular grid of 1600 water Cherenkov tanks with 1.5 km spacing. For zenith angles less than 60deg the primary energy can be estimated from the signal S(1000) at a distance of about 1000m from the shower axis, solely on basis of SD data. A suitable lateral distribution function (LDF) S(r) is fitted to the signals recorded by the water tanks and used to quantify S(1000). Therefore, knowledge of the LDF is a fundamental requirement for determining the energy of the primary particle. The Engineering Array (EA), a prototype facility consisting of 32 tanks, has taken data continuously since late 2001. On the basis of selected experimental data and Monte Carlo simulations various preliminary LDFs are examined.
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Submitted on : Thursday, October 16, 2003 - 10:35:22 AM
Last modification on : Wednesday, November 25, 2020 - 6:42:08 PM

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M. Roth, M. Ave, A. Letessier, X. Bertou, O. Deligny, et al.. The Lateral Distribution Function of Shower Signals in the Surface Detector of the Pierre Auger Observatory. International Cosmic Ray Conference 28 ICRC 2003, Jul 2003, Tsukuba, Japan. pp.333-336. ⟨in2p3-00014060⟩



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