Study of multi-muon bundles in cosmic ray showers detected with the DELPHI detector at LEP

被引：41

作者：

Abdallah, J.

Abreu, P.

Adam, W.

Adzic, P.

Albrecht, T.

Alemany-Fernandez, R.

Allmendinger, T.

Allport, P. P.

Amaldi, U.

Amapane, N.

Amato, S.

Anashkin, E.

Andreazza, A.

Andringa, S.

Anjos, N.

Antilogus, P.

Apel, W. -D.

Arnoud, Y.

Ask, S.

Asman, B.

Augustinus, A.

Baillon, P.

Ballestrero, A.

Bambade, P.

Barbier, R.

Bardin, D.

Barker, G. J.

Baroncelli, A.

Battaglia, M.

Baubillier, M.

Beeks, K-H.

Begalli, M.

Behrmann, A.

Ben-Haim, E.

Benekos, N.

Benvenuti, A.

Berat, C.

Berggren, M.

Bertrand, D.

Besancon, M.

Besson, N.

Bloch, D.

Blom, M.

Bluj, M.

Bonesini, M.

Boonekamp, M.

Booth, P. S. L.

Borisov, G.

Botner, O.

Bouquet, B.

机构：

[1] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] ULB VUB, IIHE, B-1050 Brussels, Belgium

[4] Univ Athens, Phys Lab, GR-10680 Athens, Greece

[5] Univ Bergen, Dept Phys, NO-5007 Bergen, Norway

[6] Univ Bologna, Dipartimento Fis, IT-40126 Bologna, Italy

[7] Ist Nazl Fis Nucl, IT-40126 Bologna, Italy

[8] Ctr Brasileiro Pesquisas Fis, BR-22290 Rio De Janeiro, Brazil

[9] Univ Estado Rio De Janeiro, Inst Fis, Rio De Janeiro, Brazil

[10] CNRS, Coll France, Phys Corpusculaire Lab, IN2P3, FR-75231 Paris 05, France

[11] CERN, CH-1211 Geneva 23, Switzerland

[12] ULP, CNRS, Inst Rech Subatom, IN2P3, FR-37037 Strasbourg, France

[13] DESY, D-15735 Zeuthen, Germany

[14] NCSR Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece

[15] FZU, Inst Phys, CAS High Energy Phys Div, CZ-18221 Prague 8, Czech Republic

[16] Univ Genoa, Dipartimento Fis, IT-16146 Genoa, Italy

[17] Ist Nazl Fis Nucl, IT-16146 Genoa, Italy

[18] Univ Grenoble 1, Inst Sci Nucl, CNRS, IN2P3, FR-38026 Grenoble, France

[19] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[20] Univ Helsinki, Dept Phys Sci, FIN-00014 Helsinki, Finland

[21] Joint Inst Nucl Res Dubna, RU-101000 Moscow, Russia

[22] Univ Karlsruhe, Inst Expt Kernphys, DE-76128 Karlsruhe, Germany

[23] Inst Nucl Phys PAN, PL-31142 Krakow, Poland

[24] Univ Min & Met Krakow, Fac Phys & Nucl Tech, PL-30055 Krakow, Poland

[25] Univ Paris 11, Lab Accelerateur Lineaire, CNRS, IN2P3, FR-91405 Orsay, France

[26] Univ Lancaster, Sch Phys & Chem, Lancaster LA1 4YB, England

[27] FCUL, IST, LIP, PT-1000 Lisbon, Portugal

[28] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[29] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[30] Univ Paris 06, CNRS, LPNHE, IN2P3, F-75252 Paris 05, France

[31] Univ Paris 07, CNRS, LPNHE, IN2P3, F-75252 Paris 05, France

[32] Lund Univ, Dept Phys, SE-22363 Lund, Sweden

[33] Univ Lyon 1, IPNL, CNRS, IN2P3, FR-69622 Villeurbanne, France

[34] Univ Milan, Dipartimento Fis, IT-20133 Milan, Italy

[35] Ist Nazl Fis Nucl, IT-20133 Milan, Italy

[36] Univ Milano Biocca, Dipartimento Fis, IT-20126 Milan, Italy

[37] Charles Univ Prague, IPNP, MFF, Areal MFF, CZ-18000 Prague 8, Czech Republic

[38] Natl Tech Univ Athens, Dept Phys, GR-15773 Zografos, Greece

[39] Univ Oslo, Dept Phys, NO-0316 Oslo, Norway

[40] Univ Oviedo, Dpto Fis, ES-33007 Oviedo, Spain

[41] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

[42] Univ Padua, Dipartimento Fis, IT-35131 Padua, Italy

[43] Rutherford Appleton Lab, Didcot OX11 OQX, Oxon, England

[44] Univ Roma Tor Vergata, Dipartimento Fis, IT-00173 Rome, Italy

[45] Ist Nazl Fis Nucl, IT-00173 Rome, Italy

[46] Univ Roma III, Dipartimento Fis, IT-00146 Rome, Italy

[47] Univ Roma III, Ist Nazl Fis Nucl, IT-00146 Rome, Italy

[48] CEA Saclay, DAPNIA, Serv Phys Particules, FR-91191 Gif Sur Yvette, France

[49] CSIC UC, Inst Fis Cantabria, ES-39006 Santander, Spain

[50] Inst High Energy Phys, Protvino, Moscow Region, Russia

来源：

ASTROPARTICLE PHYSICS | 2007年 / 28卷 / 03期

基金：

美国国家科学基金会;

关键词：

cosmic rays; cosmic ray interactions; cosmic ray rnuons;

D O I：

10.1016/j.astropartphys.2007.06.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The DELPHI detector at LEP has been used to measure multi-muon bundles originating from cosmic ray interactions with air. The cosmic events were recorded in "parasitic mode" between individual e(+)e(-) interactions and the total live time of this data taking is equivalent to 1.6 x 10(6) s. The DELPHI apparatus is located about 100 m underground and the 84 metres rock overburden imposes a cutoff of about 52 GeV/c on muon momenta. The data from the large volume Hadron Calorimeter allowed the muon multiplicity of 54,201 events to be reconstructed. The resulting muon multiplicity distribution is compared with the prediction of the Monte Carlo simulation based on CORSIKA/QGSJETOI. The model fails to describe the abundance of high multiplicity events. The impact of QGSJET internal parameters on the results is also studied. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：273 / 286

页数：14

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