Test of hadronic interaction models in the forward region with KASCADE event rates

被引：41

作者：

Antoni, T

Apel, WD

Badea, F

Bekk, K

Bercuci, A

Bernlöhr, K

Blümer, H

Bollmann, E

Bozdog, H

Brancus, IM

Büttner, C

Chilingarian, A

Daumiller, K

Doll, P

Engler, J

Fessler, F

Gils, HJ

Glasstetter, R

Haeusler, R

Haungs, A

Heck, D

Hörandel, JR

Holst, T

Iwan, A

Kampert, KH

Kempa, J

Klages, HO

Knapp, J

Maier, G

Mathes, HJ

Mayer, HJ

Milke, J

Müller, M

Oehlschläger, J

Ostapchenko, SS

Petcu, M

Rebel, H

Risse, M ^{[1
]}

Roth, M

Schatz, G

Schieler, H

Scholz, J

Thouw, T

Ulrich, H

Unger, J

Vulpescu, B

Weber, JH

Wentz, J

Wochele, J

Zabierowski, J

机构：

[1] Forschungszentrum Karlsruhe, Inst Kernphys, D-76021 Karlsruhe, Germany

[2] Natl Inst Phys & Nucl Engn, RO-7690 Bucharest, Romania

[3] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany

[4] Yerevan Phys Inst, Cosm Ray Div, Yerevan 36, Armenia

[5] Univ Lodz, Dept Expt Phys, PL-90236 Lodz, Poland

[6] Soltan Inst Nucl Studies, PL-90950 Lodz, Poland

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2001年 / 27卷 / 08期

关键词：

D O I：

10.1088/0954-3899/27/8/308

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

An analysis of muon and hadron rates observed in the central detector of the KASCADE experiment has been carried out. The data are compared with CORSIKA simulations employing the high-energy hadronic interaction models QGSJET, DPMJET, HDPM, SIBYLL and VENUS. In addition, first results with the new hadronic interaction model neXus 2 are discussed. Differences of the model predictions, both among each other and when confronted with measurements, are observed. The hadron rates mainly depend on the inelastic cross section and on the contribution of diffraction dissociation. The discrepancy between simulations and measurements at low primary energies around 5 TeV can be reduced by increasing the non-diffractive part of the inelastic cross section of nucleon-air interactions. Ali examination of hadron multiplicities points towards harder spectra of secondary pions and kaons being needed in the calculations.

引用

页码：1785 / 1798

页数：14

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