VOLUME 7 : HE 1.4 LIST OF CONTENTS




HE.1.4 : Observations and simulations at energies > 1018 eV




Performance of the Pierre Auger Observatory Surface Array

1

X. Bertou (arg-bertou-X-abs1-he14-oral)


Hinting at primary composition using asymmetries in time distributions

5

M.T. Dova et al. (arg-dova-MT-abs1-he14-oral)


Current status of the AIRES air shower simulation system

9

S.J. Sciutto (arg-sciutto-SJ-abs1-he14-oral)


Performance of the Fluorescence Detectors of the Pierre Auger Observatory

13

J.A. Bellido (aus-bellido-J-abs1-he14-oral)


Angular Resolution of the Pierre Auger Observatory

17

C. Bonifazi (bra-bonifazi-C-abs1-he14-oral)


Lateral width of shower image in the Auger fluorescence detector

21

V. de Souza (bra-desouza-V-abs1-he14-poster)


Analysis of shower size as estimator of extensive air shower energy

25

V. de Souza et al. (bra-desouza-V-abs2-he14-oral)


Acceptance of fluorescence detectors for photons and its implication in energy spectrum inference at the highest energies

29

V. de Souza et al. (bra-desouza-V-abs3-he14-poster)


Alternative energy estimation from the shower lateral distribution function

33

V. de Souza et al. (bra-escobar-CO-abs2-he14-poster)


The importance of muon information on primary mass discrimination of ultra-high energy cosmic rays

37

D. Supanitsky et al. (bra-etchegoyen-A-abs2-he14-poster)


Cosmic magnetic field uncertainties and the constraints in top-down ultra-high energy cosmic ray models

41

G.A. Medina-Tanco (bra-medinatanco-G-abs1-he14-poster)


Dependence of the energy reconstruction precision on shower arrival direction and core location in a regular surface detector array

43

G.A. Medina-Tanco et al. (bra-medinatanco-G-abs3-he14-poster)


The observational signatures of ultra-high energy cosmic rays in the Galactic Center

47

A.G.O. Krone-Martins et al. (bra-medinatanco-G-abs4-he14-oral)


Analysis of extensive air showers with the hybrid code SENECA

51

J.A. Ortiz et al. (bra-ortiz-JA-abs1-he14-poster)


AIRFLY: Measurement of the fluorescence yield in atmospheric gases

55

F. Arciprete et al. (cze-bohacova-M-abs1-he14-poster)


Validity of the estimators of primary energy in giant EAS

59

J.N. Capdevielle et al. (fra-capdevielle-JN-abs1-he14-oral)


Coverage and large scale anisotropies estimation methods for the Pierre Auger Observatory

63

J.C. Hamilton (fra-hamilton-JC-abs1-he14-oral)


Anisotropy Studies Around the Galactic Center at EeV Energies with Auger Data

67

A. Letessier-Selvon (fra-letessier-selvon-A-abs1-he14-oral)


Aperture calculation of the Pierre Auger Observatory surface detector

71

D. Allard et al. (fra-parizot-E-abs1-he14-poster)


Search for localized excess fluxes in Auger sky maps and prescription results

75

B. Revenu (fra-revenu-B-abs1-he14-oral)


GZK Photons in the Ultra High Energy Cosmic Rays

79

D.V. Semikoz (fra-semikoz-D-abs1-he14-oral)


Response of the Pierre Auger Observatory Water Cherenkov Detectors to Muons

83

M. Aglietta et al. (fra-suomijarvi-T-abs1-he14-poster)


Studies of Systematic Uncertainties in the HiRes-II Measurement of the UHECR Spectrum

87

A. Zech (fra-zech-A-abs1-he14-poster)


Depth Development of Extensive Air Showers from Muon Time Distributions

91

L. Cazon et al. (ger-cazon-L-abs1-he14-oral)


Air Shower Properties with the Gluon Saturation Model BBL

95

H.J. Drescher (ger-drescher-H-abs1-he14-oral)


Top-Down Reconstruction of Ultrahigh Energy Air Showers

99

F. Schuessler et al. (ger-engel-R-abs1-he14-poster)


Dependence of the longitudinal shower profile on the characteristics of hadronic multiparticle production

103

T. Pierog et al. (ger-engel-R-abs2-he14-oral)


Fluctuations in the EAS radio signal derived with improved Monte Carlo simulations based on CORSIKA

107

T. Huege et al. (ger-huege-T-abs1-he14-oral)


High energy cosmic rays and the Galactic magnetic field

111

M. Kachelriess et al. (ger-kachelriess-M-abs1-he14-oral)


Validation of the Real and Simulated Data of the Pierre Auger Fluorescence Telescopes

115

A. Ewers et al. (ger-kampert-K-abs3-he14-poster)


Nitrogen fluorescence yield in dependence on atmospheric conditions

119

B. Keilhauer et al. (ger-keilhauer-B-abs1-he14-oral)


Atmospheric Profiles at the Southern Pierre Auger Observatory and their Relevance to Air Shower Measurement

123

J. Bluemer et al. (ger-keilhauer-B-abs2-he14-poster)


Parameterisation of Cherenkov light production in high-energy showers

127

F. Nerling et al. (ger-nerling-F-abs1-he14-oral)


Impact of a new Cherenkov light parameterisation on the reconstruction of shower profiles from Auger hybrid data

131

F. Nerling et al. (ger-nerling-F-abs2-he14-poster)


Hadronic Interactions in QGSJET-II: Physics and Results

135

S. Ostapchenko et al. (ger-ostapchenko-S-abs1-he14-oral)


Extensive Air Shower Simulation Program CONEX: Matching Monte Carlo and Numerical Methods

139

M. Alekseeva et al. (ger-ostapchenko-S-abs2-he14-poster)


Derivation of upper limit on the photon fraction using the highest-energy AGASA cosmic rays

143

M. Risse et al. (ger-risse-M-abs1-he14-poster)


Upper limit on the primary photon fraction from the Pierre Auger Observatory

147

M. Risse (ger-risse-M-abs2-he14-oral)


Chemical composition of ultra-high energy cosmic rays estimated by muon measurement with AGASA

151

K. Shinozaki et al. (ger-shinozaki-K-abs3-he14-oral)


AIRES EAS Simulations for the Energy Estimation of UHECR

155

A. Geranios et al. (gre-fokitis-E-abs2-he14-poster)


New results from Gauhati University miniarray detector

159

U.D. Goswami et al. (ind-devgoswami-U-abs2-he14-poster)


On primary mass composition of giant air showers

163

J. Saikia et al. (ind-saikia-J-abs1-he14-oral)


Statistical and systematic uncertainties in the event reconstruction and S(1000) determination by the Pierre Auger surface detector

167

P.L. Ghia (ita-ghia-P-abs1-he14-oral)


Search for exotic contributions to atmospheric neutrino oscillations

171

G. Battistoni et al. (ita-margiotta-A-abs2-he14-poster)


Propagation of Ultra-High Energy Cosmic Rays above 1019 eV in a Structured Extragalactic Magnetic Field and Galactic Magnetic Field

175

H. Takami et al. (jap-takami-H-abs1-he14-oral)


A possible cosmic ray source in TeV and EeV from the direction around the Cygnus Loop

179

M. Takeda et al. (jap-takeda-M-abs1-he14-poster)


Detection of Very Inclined Showers with the Auger Observatory

183

L. Nellen (mex-nellen-L-abs1-he14-oral)


A new parameterisation of the longitudinal shower development

187

M. Giller et al. (pol-Giller-M-abs1-he14-oral)


Universality of the lateral distribution of energy deposit in extensive air showers

191

D. Gora et al. (pol-gora-D-abs1-he14-oral)


Multiple scattering of the fluorescence light from EAS

195

M. Giller et al. (pol-smialkowski-A-abs1-he14-poster)


Similarity of the extensive air showers - an application to their reconstruction from a fluorescence light detector

199

M. Giller et al. (pol-wieczorek-G-abs1-he14-poster)


Variability of atmospheric depth profiles

203

B. Wilczynska et al. (pol-wilczynska-B-abs1-he14-poster)


Atmospheric multiple scattering of fluorescence and Cherenkov light from air shower

207

J. Pekala et al. (pol-wilczynski-H-abs1-he14-poster)


Estimates of the Muon Signal in Giant Air Showers Induced by the Primary Photons

211

L.G. Dedenko et al. (rus-dedenko-LG-abs1-he14-oral)


Simulations of Lateral Distributions of a Signal Produced in Scintillation Detectors by Giant Air Showers

215

L.G. Dedenko et al. (rus-dedenko-LG-abs2-he14-poster)


A Calibration of Energy Estimates of Giant Air Showers with Help of the Cherenkov Radiation

219

L.G. Dedenko et al. (rus-dedenko-LG-abs3-he14-poster)


Resolvent approach to the Volterra equation as a tool for EAS modeling

223

A.A. Ivanov (rus-ivanov-AA-abs1-he14-poster)


Estimate of the Mass Composition of Ultrahigh Energy Cosmic Rays

227

A.A. Mikhailov et al. (rus-mikhailov-AA-abs1-he14-oral)


Clusters of Cosmic Rays above 4.1019 eV

231

A.A. Mikhailov et al. (rus-mikhailov-AA-abs2-he14-poster)


Extensive air showers without muon component

235

A.A. Mikhailov et al. (rus-mikhailov-AA-abs3-he14-poster)


Increase in the Absorption Length of Inclined Extensive Air Showers with Different Selection Types

239

E.S. Nikiforova (rus-nikiforova-E-abs1-he14-oral)


Estimation of the giant shower energy at the Yakutsk EAS Array

243

M.I. Pravdin et al. (rus-pravdin-MI-abs1-he14-poster)


Multipolar Anisotropy in the Arrival Directions of E0 >=8×1018 eV Cosmic Rays

247

A.V. Glushkov et al. (rus-pravdin-MI-abs2-he14-poster)


Spectra of Above 1017eV Cosmic Rays from the Different Sky Regions by Yakutsk EAS Array Data

251

A.V. Glushkov et al. (rus-pravdin-MI-abs3-he14-poster)


On the Nature of Events with Energies Above the Energy of GZK Cutoff

255

V.S. Ptuskin et al. (rus-ptuskin-V-abs2-he14-poster)


Approximation of measured longitudinal development of EAS at ultra high-energies with errors taken into account

259

A.A. Kirillov et al. (rus-shozieev-G-abs1-he14-oral)


Possible influence of quark-gluon plasma formation on lateral distributions of charged particles and muons in EAS

263

V.R. Sleptsova et al. (rus-sleptsova-VR-abs1-he14-poster)


Dependence of the Air-Fluorescence Yield on Electron Energy

267

F. Arqueros et al. (spa-arqueros-F-abs2-he14-oral)


Experimental determination of air fluorescence yield from low-energy electrons (LEEAF experiment)

271

F. Blanco et al. (spa-arqueros-F-abs3-he14-poster)


The mass of cosmic rays above 1017 eV

275

M.T. Dova et al. (uki-mariazzi-A-abs1-he14-oral)


Calibration of the surface array of the Pierre Auger Observatory

279

M. Aglietta et al. (usa-allison-PS-abs1-he14-poster)


A description of some ultra high energy cosmic rays observed with the Pierre Auger Observatory

283

M. Ave Pernas (usa-ave-pernas-M-abs1-he14-oral)


The trigger system of the Pierre Auger Surface Detector: operation, efficiency and stability

287

D. Allard et al. (usa-bauleo-PM-abs1-he14-poster)


Measurement of the Lateral Distribution Function of UHECR Air shower with the Pierre Auger Observatory

291

D. Barnhill et al. (usa-bauleo-PM-abs2-he14-poster)


Measurement of atmospheric aerosols in southeast Colorado using backscatter LIDAR and a shadow-band solar radiometer

295

J.L. Harton et al. (usa-bauleo-PM-abs3-he14-oral)


Arrival Directions of Ultra-High Energy Cosmic Rays within The HiRes-I Monocular Dataset: A Search for Overlaps with the Reported AGASA Clusters

299

J. Belz (usa-belz-J-abs1-he14-poster)


Search for Pointlike Sources of Cosmic Rays with Energies above 1018.5 eV in the HiRes-I Monocular Dataset

303

J. Belz et al. (usa-belz-J-abs2-he14-poster)


Monocular UHECR Spectrum Measurements from HiRes

307

D.R. Bergman (usa-bergman-D-abs1-he14-poster)


UHECR Composition Measurements Using the HiRes-II Detector

311

D.R. Bergman (usa-bergman-D-abs2-he14-poster)


Fitting the HiRes Spectra

315

D.R. Bergman (usa-bergman-D-abs3-he14-oral)


An Universal Description of the Particle Flux Distributions in Extended Air Showers

319

A.S. Chou et al. (usa-chou-A-abs1-he14-poster)


A New Technique to Measure Cosmic Ray Energy and Composition Via (2+1)d Lateral Distribution Function Fits to Surface Detector Array Data

323

A.S. Chou et al. (usa-chou-A-abs2-he14-oral)


A Likelihood Method for Measuring the Ultrahigh Energy Cosmic Ray Composition

327

B.M. Connolly et al. (usa-connolly-B-abs1-he14-poster)


Correlations of Ultrahigh Energy Cosmic Rays with BL Lac Objects - Is there Evidence for Neutral Primaries ?

331

B.M. Connolly et al. (usa-connolly-B-abs2-he14-poster)


Xmax and energy systematic errors due to molecular atmosphere variations

335

Y. Fedorova (usa-fedorova-Y-abs1-he14-poster)


Search for Cross-Correlations of Ultra-High-Energy Cosmic Rays With BL Lacertae Objects

339

C.B. Finley et al. (usa-finley-C-abs1-he14-oral)


p-air inelastic cross-section at ultra-high energies

343

K. Belov (usa-konstantin-Belov-abs1-he14-oral)


Studies of Air Showers above 1018eV with the CHICOS Array

347

T.W. Lynn et al. (usa-lynn-T-abs1-he14-oral)


Preliminary Results on the High Energy Cosmic Ray Spectrum from the Stereo Analysis of the HiRes Fly's Eye Data

351

J.H. Boyer et al. (usa-mannel-EJ-abs1-he14-oral)


Limits on the Diffuse Neutrino Flux from HiRes Data

355

W. Deng et al. (usa-martens-K-abs1-he14-oral)


Studies of Signal Waveforms From the Water-Cherenkov Detectors of the Pierre Auger Observatory

357

P.S. Allison et al. (usa-matthews-James-abs1-he14-poster)


Cross-checks of the HiRes Monocular Flux Measurements

361

T. Abu-Zayyad et al. (usa-matthews-John-abs1-he14-poster)


Calibrating the High Resolution Fly's Eye (HiRes) Detector

365

J.N. Matthews et al. (usa-matthews-John-abs3-he14-poster)


The Hybrid Performance of the Pierre Auger Observatory

369

M.A. Mostafa (usa-mostafa-M-abs1-he14-oral)


Limit on the flux of ultra-high energy photons from the HiRes Stereo Data

373

A.C. O'Neill et al. (usa-oneill-A-abs1-he14-oral)


Search for a Galactic Enhancement of the Ultra-High-Energy Cosmic Rays Using the HiRes Stereo Data

377

G. Sinnis (usa-sinnis-G-abs1-he14-oral)


Comparison of UHE Composition Measurements by Fly's Eye, HiRes-prototype/MIA and Stereo HiRes Experiments

381

P. Sokolsky (usa-sokolsky-P-abs1-he14-oral)


UHE Composition Measurement by Stereo HiRes Experiment

385

P. Sokolsky et al. (usa-sokolsky-P-abs2-he14-poster)


First Estimate of the Primary Cosmic Ray Energy Spectrum above 3 EeV from the Pierre Auger Observatory

387

P. Sommers (usa-sommers-P-abs1-he14-oral)


Measurements of UHECR Spectrum with the HiRes detector

391

R.W. Springer (usa-springer-W-abs1-he14-oral)


Searching for Anisotropy with the HiRes-II Data

395

D. Ivanov et al. (usa-thomson-G-abs1-he14-poster)


Search for Point Sources of Ultra-High-Energy Cosmic Rays Above 1019eV Using a Maximum Likelihood Ratio Test

397

S. Westerhoff et al. (usa-westerhoff-S-abs1-he14-oral)


Atmospheric Monitoring at the High Resolution Fly's Eye

401

J. Boyer et al. (usa-wiencke-LR-abs1-he14-poster)




Author Index for Volume 7