cosmic ray conference - gbv · firstauthor: ren, jingrupresenter: ren,jingru he 1.2.14...
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26 International
Cosmic Ray ConferenceSalt Lake City, Utah
August 17-25,1999
Volume 1
Contributed Papers
Sessions HE 1 and HE 2
UB/TIB Hannover 89
119 996 324
EditedbyD. Kieda, M. Salamon, & B. Dingus
Table of Contents: Volume 1
Session HE 1.1: Nucleus-nucleus and nucleus-nucleon interactions: accelerator experiments
HE 1.1.01 Fragmentation of 158 A GeV Pb ions on various targets 1
FirstAuthor: Dekhissi.H. Presenter: Serra,Paola
HE 1.1.02 Target Nuclei Excitation after Interactions of 10.6 GeV/Nucleon Gold Nuclei in 5
Emulsion
First Author: Wolter, Wladyslaw Presenter: Walter, Wladyslaw
HE 1.1.03 Study of Gold Nuclei Fragmentation due to NuclearInteractions at 10.6 GeV/nucleon 9
First Author: Wilczynska, BarbaraPresenter: Zhang, Naijian
HE 1.1.04 Updated Semiempirical Cross Sections for Cosmic Rays Propagation 13
First Author: Tsao, C.H. Presenter: Tsao, CM
HE 1.1.05 Simulation of the ion interactions for the ATIC experiment 17
First Author: Kim, H.J. Presenter: Kwon, Youngil
HE 1.1.06 Energy Determination of High Energy Cosmic ray Protons21
FirstAuthor: Sherif, MM Presenter: Sherif, MM
HE 1.1.07 Dissociation of C-12 and 0-16 into alpha particles inemulsion at 4.5A GeV/c 25
First Author: AbdelAziz, Sayed Presenter: Abdel Aziz, Sayed
HE 1.1.08 Study ofProjectile Fragmentation for Fe and Si Nuclei in Collisions with H, C, 29
Al, Cu, Ag and Pb
First Author: Flesch, Frank Presenter: Flesch, Frank
HE 1.1.09 Percolation Model for Nuclear Fragmentation of Si-28(Ne-22) at 4.5(4.1)A GeV/c 33
FirstAuthor: AbdelAziz, SayedPresenter: AbdelAziz, Sayed
HE 1.1.10 Cross Sections calculations of Li6-nucleus at high energies 37
First Author: Osman, Omar Presenter: Osman, Omar
HE 1.1.11 Multiplicity Characteristics of Emitted Particles in Heavy-Ion interactions with 41
emulation at 4.5A GeV/c
FirstAuthor: Abou Steit, Sameha Presenter: Abou Steit, Sameha
i
Table of Contents: Volume 1
Multiplicity Correlation Studies in 4.5A GeV/c Nucleus-Nucleus Interactions 45
First Author: Salah, Afci/imoiwfPresenter: Salah, Mahmoud
Angular Correlations of Particles Emitted in Nucleus-Nucleus Interactions at 4.5A 49
GeV/c
First Author: Sadek, N. Presenter: Sadek, N.
Leading nucleon and the proton-nucleus inelasticity 53
First Author: Bellandi, Jose Presenter: Bellandi, Jose
Fragmentation ofrelativistic gold by various target nuclei 56
First Author: Waddington, Jake Presenter: Waddington, Jake
More Light on the Interactions ofHeavy Nuclei at Dubna Energy 60
First Author: Khalil,E.I. Presenter: Sherif, Mohammed
1.2 : Nucleus-nucleus and nucleus-nucleon interactions: cosmicray experiments
An Additional Characteristic Feature of Centauro Events 64
First Author: Brasil-Japan ofChacaltaya Emulsion Chamber Experiment Collaboration
Presenter: Shibuya, Edison
Fraction of gamma-hadron families similar to that of Fe induced against heavy 68
chemical composition ofprimary cosmic rays in the energy region around 10IB
eV
FirstAuthor: Kalmakhelidze,M. Presenter: Roinishvili, Nina
Hadron Component in Air Showers at Mt. Chacaltaya Experiment 72
First Author: Aguirre, C. Presenter: Kawasumi, N.
Azimuthal correlation peculiarities in gamma families with energies 76
£/''7 = 100- 2000 TeV
First Author: Yuldashbaev, Toymas Presenter: Yuldashbaev, Toymas
Characteristics of hadron-induced cascade showers in a thick lead chamber and 80
their physics implication
First Author: Tamada, Masanobu Presenter: Tamada, Masanobu
u
Table of Contents: Volume 1
HE 1.2.08 Characteristics of gamma families simulated by QGSJET model 84
FirstAuthor: Borisov, A. Presenter: Krys, Andrzej
HE 1.2.10 The Distributions ofZenithal Angle of Hadrons registered in the Pamir Experiment 88
First Author: Huangs, Andreas Presenter: Malinowski, Jan
HE 1.2.11 The Spectrum ofHadrons' Energy measured in the Pamir Experiment 92
First Author: Malinowski, Jan Presenter: Malinowski, Jan
HE 1.2.13 The Phenomenon of Energy Concentration in High Energy Families 96
First Author: Ren, Jingru Presenter: Ren, Jingru
HE 1.2.14 Characteristics of gamma-hadron families against heavy chemical composition of 100
primary cosmic rays in the energy region around 10'6 eV
First Author: Kalmakhelidze,M. Presenter: Roinishvili, Nina
HE 1.2.16 Comparison ofexperimental and calculated data on gamma families with "halo" 104
First Author: Guseva, Z. Presenter: Puchkov, Vitalij S.
HE 1.2.17 An analysis of high energy cosmic-ray gamma-hadron families 107
First Author: Navia, C. E. Presenter: Navia, C. E,
HE 1.2.19 Coplanar events and multiproduction event generators in the knee region 111
First Author: Capdevielle, Jean-noel Presenter: Capdevielle, Jean-noel
HE 1.2.20 Leading Nucleon and the Hadronic Flux in the Atmosphere 115
First Author: BellandiJ. Presenter: Bellandi.J.
HE 1.2.21 Inelasticity Distribution of Hadron-Pb Collisions in the PamirLead Emulsion Chambers 119
First Author: Ohsawa, AkinoriPresenter: Ohsawa, Akinori
HE 1.2.23 On the Optical Density Spectrum of the PAMIR Emulsion Experiment 123
FirstAuthor: Haungs, AndreasPresenter: Haungs, Andreas
HE 1.2.24 Study on Alignment of High Energy Gamma-Hadron Family Event with Iron Emulsion 127
Chambers.
First Author: Xue, Liang Presenter: Xue, Liang
Table of Contents: Volume 1
) 1.3 : Theory and simulations
Test of High-Energy Hadronic Interaction Models using EAS Data 131
First Author: KASCADE Collaboration Presenter: Hoerandel, Joerg
Precision Test of Hadronic interaction Models with KASCADE Data 135
First Author: KASCADE CollaborationPresenter: Risse, Markus
Study ofjet production in p-N interactions at y/s w 500 GeV in EAS 139
multicore events
First Author: Aglietta, M. Presenter: Vigorito, Carlo
The observed mean free path and the p-air inelastic cross section of proton 143
primaries at tJu — ( '£- 4)10 '5ev
First Author: Aglietta, M. Presenter: Trinchero, Gian Carlo
Extensive air showers rounded up by AIRES + SIBYLL/QGSJET 147
First Author: Anchordoqui, Luis Presenter: Anchordoqui, Luis
A Color Mutation Hadronic Soft Interaction Model 151
First Author: Cao, Zhen Presenter: Cao, Zhen
Nuclear Interactions in 10IH ~ 102() eV 155
First Author: Ohsawa, Akinori Presenter: Ohsawa, Akinori
Energy Spectrum and Composition of Primary Cosmic Rays above 1018 eV 159
First Author: Nikolsky.T. Presenter: Nikolsky.T.
Is the cosmic ray centauro quark matter fireball metastable ? 163
First Author: Theodoratou, Olga Presenter: Theodoratou, Olga
Inelastic proton-air cross section in U.H.E. 167
First Author: Fleitas, Juliana Presenter: Fleitas, Juliana
Study of Multiplicity Correlations of Various Types of Seconderies in High Energy 171
Nucleus - Nucleus Collisions
First Author: Hegab, M.K. Presenter: Hassan, Nabila Mohamed
IV
Table of Contents: Volume 1
HE 13.15 Time Evolution of Fast Particles During the Decay of Hadronic Systems 175
First Author: Hussein, Mohamed TarekPresenter: Hussein, Mohamed Tarek
HE 13.16 Deformed Lorentz Symmetry and Ultra-High Energy Cosmic Rays 179
First Author: Gonzalez-Mestres, Luis Presenter: Gonzalez-Mestres, Luis
HE 13.19 Meson-Nucleus Inelastic Cross Section 183
First Author: Liland, Arne Presenter: Liland, Arne
HE 13.22 Total Cross Sections at current/Future Colliders, conventional models and QCD 186
First Author: Fazal-e-Aleem, FazalPresenter: Fazal-e-Aleem, Fazal
HE 13.23 Estimative of the Inelasticity Coefficient Using the Energy Spectrum of the 190
HAdrons, Electrons and Photons
First Author: Portella.HM. Presenter: Portella.HM.
HE 13.24 Cross-section of inelastic interaction of hadrons with iron nuclei 194
First Author: Novalov.AA. Presenter: NovalovA.A.
HE 13.25 Total pp Cross Section Estimations at Very High Energies 198
First Author: Velasco.J. Presenter: Perez-Peraza, J.
HE 13.26 Heavy Ion stripping reactions at Intermediate Energies 202
First Author: EINadi, M. Presenter: EINadi.M.
HE 13.28 Inelasticity in Proton-Air Collisions fromCosmic Ray Data 206
First Author: Bhadra.A. Presenter: Bhadra.A.
HE 13.29 Electron - Proton Scattering as aProbe ofNucleon Structure 210
First Author: Hussein, Mohamed Tarek Presenter: Hussein, Mohamed Tarek
Session HE 2.2: New Results (10u < EvrimarV < 10l7eV)
HE 2.2.01 The Energy Spectrum of Charged Cosmic Rays between 1014 eV and 10lfl eV 214
determined with the HEGRA Arrays
First Author: HEGRA CollaborationPresenter: Roehring, Andre
Table of Contents: Volume 1
Cosmic Ray Energy Spectrum around the Knee by Muon Density Measurements at 218
KASCADE
First Author: KASCADE Collaboration Presenter: Haungs, Andreas
Analysis of Electron and Muon Size Spectra of EAS 222
First Author: KASCADE Collaboration Presenter: Glasstetter, Ralph
Estimation ofthe Energy Spectrumin the Knee Region by the KASCADE-Experiment 226
First Author: KASCADE Collaboration Presenter: Chilingarian,Ashot
Study of the knee structure in the EAS electron and muon components 230
First Author: Aglietta, M. Presenter: Chiavassa, Andrea
Preliminary Results on Size spectrum and age parameter ofEAS from KGF Experiment 234
First Author: Acharya.B.S. Presenter: Sivaprasad, K
The size spectrum of small Air Shower at Ooty GRAPES III (800g/cm2) 236
First Author: Hayashi, Y. Presenter: Kawakami, Saburo
The EAS Size Spectrum measured at ANI Cosmic Ray Observatory in the region of 240
Knee
First Author: Chilingarian, AshotPresenter: Chilingarian, Ashot
New Data on the Difference of Parameters of EAS Selected According to their Size 244
or CherenkovLightFlux
First Author: Yakovlev, V.I Presenter: Yakovlev, V.I
Search for Coincidental Air Showers from the Direction of the Crab Using the 248
Network Observation
First Author: Ochi, NobuakiPresenter: Ochi, Nobuaki
Search for < <Neutron Bursts> > with Mexico City Neutron Monitor 252
First Author: Stenkin, Yu. V. Presenter: Stenkin, Yu.V.
What Happens in EAS at N > 10w Particles? 256
First Author: Yakovlev,V.I. Presenter: Yakovlev.V.I.
VI
Table of Contents: Volume 1
HE 2.2.15 Measurement of the EAS muon characteristics in the knee region on the mountain 260
level
First Author: Chilingarian, Ashot Presenter: Martirosov, Romen
HE 2.2.16 Correlations between parameters of extended air showers and their proper use in 264
analysesFirst Author: Wittek, Wolfgang Presenter: Wittek, Wolfgang
HE2.2.17 May gammas ofenergies 10'5 - 10'e eV frompoint sources be observed ? 268
First Author: Krys, Elzbieta Presenter: Krys, Elzbieta
HE 2.2.19 High energy muon transverse separation and the determination of CR composition 272
FirstAuthor: Mualem, Leon Presenter: Mualem, Leon
HE 2.2.22 A Study on the Lateral Structure ofMuons in Extensive Air Showers with the 276
GRAPES Array at Ooty
First Author: Hayashi, Yoshio Presenter: Hayashi, Yoshio
HE 2.2.23 Strategy for CompositionMeasurements with SPASE 280
FirstAuthor: Gaisser, Tom Presenter: Gaisser, Tom
HE 2.2.24 Core structure of extensive air showers 282
First Author: Kempa, Janusz Presenter: Kempa, Janusz
HE 2.2.26 New Results of the EAS-1000 Prototype Operation 286
First Author: Fomin, Yuri Presenter: Fomin, Yuri
HE 2.2.27 The fluctuations ofEAS core at Akeno 290
First Author: Sakuyama, Hiroshi Presenter: Sakuyama, Hiroshi
HE 2.2.28 Arrival timedistribution ofEAS usingCherenkov detectors at Taro 294
First Author: Sakuyama, Hiroshi Presenter: Sakuyama, Hiroshi
HE 2.2.29 On the Origin of Coincident Delayed ScintillatorPulses Observed with an EAS 298
ArrayFirst Author: Arvela, Harri Presenter: Arvela, Harri
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Table of Contents: Volume 1
Analytical Procedure for the Test of Nonlinearity in the Arrival Times of Air 301
Showers
First Author: Ochi, Nobuaki Presenter: Ochi, Nobuaki
Considerations about the lateral distribution ofelectrons in proton-initiated 305
air showers at energies below 10'5 eV
First Author: Ortiz, Jeferson Altenhofen Presenter: Ortiz, Jeferson Altenhofen
Fractal Study ofExtensive Air Shower Time Series 309
First Author: Harada, T. Presenter: Takahashi, Tamotsu
Firstresults ofprimary cosmic ray spectrum measurements using balloon-borne 313
detector SPHERE
First Author: Antonov, Rem Presenter: Antonov, Rem
Observation ofshower excess form the discrete source ofCyg X-3. 317
First Author: Novalov,A.A. Presenter: Novalov,A.A.
A Model Independent Method for Determination of Muon Density Fluctuations in EAS 321
First Author: Giller, Maria Presenter: Giller, Maria
Studies of the realtive arrival time distributions ofthe electromagnetic and the 325
muon EAS component in the KASCADE ExperimentFirst Author: KASCADE Collaboration Presenter: Haeusler, Rdiger
Estimate of the Cosmic Ray Composition by a Pattern Analysis of the Core ofPeV 329
EAS
First Author: KASCADE CollaborationPresenter: Haungs, Andreas
A Multivariate Approach for the Determination of the Mass Composition in the Knee 333
RegionFirst Author: KASCADE Collaboration Presenter: Roth, Markus
First Measurement of the Knee in the Hadronic Component of EAS 337
First Author: KASCADE Collaboration Presenter: Hoerandel, Joerg
Analysis of the Muon/Electron Ratio in EAS 341
First Author: KASCADE Collaboration Presenter: Weber, Jennifer H.
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Table of Contents: Volume 1
HE 2.2.43 EAS Muon Arrival Time Distributions Measured in the KASCADE Experiment 345
First Author: KASCADE CollaborationPresenter: Brancus, Iliana
HE 2.2.44 Estimation of the Primary Mass with Hadronic Observables inEAS Cores 349
First Author: KASCADE CollaborationPresenter: Engler, Joachim
Session HE 23 : New Results (Eprimary > 1017 eV)
HE 23.01 Characteristics of Giant Air Showers with Energy larger than 1019 eV 353
Observed by AGASA
First Author: Hayashida, N. Presenter: Sakaki, Naoto
HE 23.02 Muon Component in Giant Air Showers with Energy of > 10'HeV Observed by 357
AGASA
First Author: The AGASA CollaborationPresenter: Naoya, Inoue
HE 23.03 Characteristics of Inclined Giant Air Showers Observed by AGASA 361
First Author: The AGASA CollaborationYresenter: Naoya, Inoue
HE 23.04 Near Horizontal Showers detected with the Haverah Park Array 365
First Author: Ave, M. Presenter: Vazquez, Ricardo
HE 23.05 Array for measurement ofthe EAS pulsetemporal structure at distances R>500 m 369
First Author: Fernandez, ArturoPresenter: Fernandez, Arturo
HE 23.06 Longitudinal EAS Development at Eo = 10**18 - 3* 10** 19 eV and the QGSJET Model 372
FirstAuthor: Knurenko, S.P. Presenter: Sleptsova, Venera
HE 23.07 The Possible Interpretation of Experimental Results of Cosmic Ray Particles with 376
Energies Exceeding 10u) eV at AGASA Array
First Author: Chechin, V.A. Presenter: Chechin.VA.
HE 23.08 Absorption Curves of Muons and Muon Cascades in Air 380
First Author: Nikiforova, Elena Presenter: Nikiforova, Elena
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Table of Contents: Volume 1
Optical emission from UHE Cosmic Rays 384
First Author: Boruah, Kalyanee Presenter: Boruah, Kalyanee
Temporal Structureofthe Muon DiskatLarge Distances from Core ofEAS with 387
E0 > 6x 1018 eV
First Author: Glushkov,A. V. Presenter: Glushkov,A. V.
UHE Cosmic Ray Energy Spectrum Derived From Gauhati University Mini Array Data 391
First Author: Boruah, Pradip Kumar Presenter: Boruah, Pradip Kumar
Characteristics of Age Parameter for Giant Air Showers 395
First Author: Saikia, Julie Presenter: Saikia, Julie
Electrons and Muons in EAS at K0 > 5 X 10'7 eV 399
First Author: Glushkov.A.V. Presenter: Glushkov,A.V.
Azimuthal effect on extensive air showers of cosmic rays 403
First Author: Ivanov,A. Presenter: Pravdin, Mikhail
Analysis of cosmic ray anisotropy at energy 10'7 eV in sidereal time 407
First Author: Pravdin, M.I. Presenter: Mikhailov, Alexei
E 2.5 : Theory and simulations
Air Shower Simulations with the AIRES System 411
First Author: Sciutto, Sergio J. Presenter: Sciutto, Sergio J.
Air Shower Calculations With the New Version of SIBYLL 415
First Author: Engel, Ralph Presenter: Engel, Ralph
Realistic nuclear densities and their influence on calculated EAS characteristics 419
First Author: Kalmykov, Nikolai Presenter: Kalmykov, Nikolai
New energy estimates of the giant air showers 423
First Author: Antonov, E.E. Presenter: Dedenko, Leonid
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Table of Contents: Volume 1
HE 2.5.06 A method to estimate primary composition with the Auger Observatory 426
First Author: de Carvalho, Luiz America Presenter: de Carvalho, Luiz Americo
HE 2.5.08 Gamma Hadron Discrimination with a Neural Network in the ARGO-YBJ Experiment 430
First Author: Bussino, Severino Presenter: Bussino, Severino
HE 2.5.09 About a new method for selection of EAS initiated by primary gamma-quanta with 434
energies 102-104TeV
First Author: Brankova, Milena Presenter: Brankova, Milena
HE 2.5.10 Energy determination in giant EAS 437
First Author: Capdevielle, Jean-noel Presenter: Capdevielle, Jean-noel
HE 2.5.11 Application of Thermodynamical Description ofHadron Production at High Energies 441
of EAS
First Author: KPPG Collaboration Presenter: Kamberov, George
HE 2.5.12 Correlating Primary Type with the Longitudinal Profile 445
First Author: Mikulski, PaulPresenter: Mikulski, Paul
HE 2.5.13 Most precise determination of arrival direction of the giant air showers 449
First Author: Antonov, E.E. Presenter: Dedenko, Leonid
HE 2.5.14 Nottingham-MSU INTAS Mass Composition Project 452
First Author: Brookes, John Presenter: Brookes, John
HE 2.5.16 Mechanism ofDepth-Variation of Moliere Angular Distribution 455
First Author: Nakatsuka, Takao Presenter: Nakatsuka, Takao
HE 2.5.17 Selection of showers with given energies at the GAMMA experiment (Armenia) 459
First Author: Gariaka, AP. Presenter: Procureur, Jacques
HE 2.5.18 Identification of Gamma-rays and Protons with Feed-Forward Neural Network 463
First Author: Kong.F.M. Presenter: Kong.F.M.
HE 2.5.19 Study on Multifractal Structure ofthe DistributionFluctuation of Secondary 467
Particles in the Core Region of EAS
First Author: Kong,FM. Presenter: Kong.FM.
XI
Table of Contents: Volume 1
EAS CerenkovLight SimulationsTaking Geomagnetic Field Into Account 471
First Author: Beisembayev, R. U. Presenter: Galkin, Vladimir
Deposited Energy Distribution in the Giant Showers in Water 475
First Author: Dedenko, LeonidPresenter: Dedenko, Leonid
Particle density distributions ofinclined air showers 478
First Author: Dova, M.T. Presenter: Mariazzi, Analisa
Multiproductionat UHE and simulationofgiantEAS 482
First Author: Capdevielle, Jean-noel Presenter: Capdevielle, Jean-noel
Moliere AngularDistribution UnderThe Process With Ionization 486
First Author: Nakatsuka, Takao Presenter: Nakatsuka, Takao
Thinning of High-Energy Cosmic-Ray Air-Showers 490
First Author: The Pierre Auger Collaboration Presenter: Kobal, Matjaz
Identification ofPrimary Proton Component at the "Knee" Region 494
First Author: Cunfeng.Feng Presenter: Cunfeng,Feng
Recent Additions to the Extensive Air Shower Simulation Code CORSIKA 498
First Author: KASCADE CollaborationPresenter: Heck, Dieter
A Simulation Study of Linsley's Approach to infer Elongation Rate and 502
Fluctuations of the EAS Maximum Depth from Muon Arrival Time Distributions
First Author: Badea, Florin A. Presenter: Badea, FlorinA.
EeV Hadronic Showers in Ice: The LPM effect 506
First Author: Alvarez-Muniz, Jaime Presenter: Alvarez-Muniz, Jaime
Muon content of UHE air shower simulated with different hadronic models 510
First Author: Espinosa, Maria del MarPresenter: Espinosa, Maria del Mar
Monte Carlo Modelling of Radio Emission from Extensive Air Showers 514
First Author: Dova, M!T. Presenter: Swain, John
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Table of Contents: Volume 1
HE 2.535 Study on Muon Flux and Reconstruction Methods with CORSIKA code 518
First Author: Oliveira, MarceloPresenter: Oliveira, Marcelo
HE 2.536 Relations of Two Moliere Theories: That Formulated by Kamata and Nishimura and 522
That by Moliere and Bethe
First Author: Nakatsuka, Takao Presenter: Nakatsuka, Takao
HE 2.5.40 Some Aspects of Superhigh Energy Cosmic Ray Investigation 526
First Author: Fomin, YuriPresenter: Fomin, Yuri
HE 2.5.41 Universal multifractal parameters of fluctuations in E.A.S. produced by different 530
primary cosmic rays
First Author: Faleiro, Eduardo Presenter: Faleiro, Eduardo
xiu