Christian Gronhoj Larsen
University of Utah
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Publication
Featured researches published by Christian Gronhoj Larsen.
The Astrophysical Journal | 2001
T. Abu-Zayyad; K. Belov; D. J. Bird; J. Boyer; Z. Cao; M. Catanese; G. F. Chen; R. W. Clay; C. E. Covault; Hongyue Dai; B. R. Dawson; J. W. Elbert; B. E. Fick; L. Fortson; J. W. Fowler; K. G. Gibbs; Margaret Anderson Kennedy Glasmacher; K. D. Green; Y. Ho; Alan Guoming Huang; C. C. Jui; Matthew John Kidd; D. Kieda; B. C. Knapp; S. Ko; Christian Gronhoj Larsen; W. Lee; E. C. Loh; E. Mannel; J. Matthews
We study the spectrum and average mass composition of cosmic rays with primary energies between 10^{17} eV and 10^{18} eV using a hybrid detector consisting of the High Resolution Flys Eye (HiRes) prototype and the MIA muon array. Measurements have been made of the change in the depth of shower maximum as a function of energy. A complete Monte Carlo simulation of the detector response and comparisons with shower simulations leads to the conclusion that the cosmic ray intensity is changing f rom a heavier to a lighter composition in this energy range. The spectrum is consistent with earlier Flys Eye measurements and supports the previously found steepening near 4 \times 10^{17} eV .
Physical Review Letters | 2000
T. Abu-Zayyad; K. Belov; D. J. Bird; Joseph H. Boyer; Z. Cao; M. Catanese; G. F. Chen; R. W. Clay; C. E. Covault; J. Cronin; Hongyue Dai; B. R. Dawson; J. W. Elbert; B. E. Fick; L. Fortson; J. W. Fowler; K. G. Gibbs; Margaret Anderson Kennedy Glasmacher; K. D. Green; Y. Ho; Alan Guoming Huang; C. C. Jui; Matthew John Kidd; D. Kieda; B. C. Knapp; S. Ko; Christian Gronhoj Larsen; Wei-Po Lee; E. C. Loh; E. Mannel
The average mass composition of cosmic rays with primary energies between
arXiv: Astrophysics | 2000
T. Abu-Zayyad; K. Belov; D. J. Bird; J. Boyer; Z. Cao; Michael Anthony Catanese; G. F. Chen; R. W. Clay; C. E. Covault; Hongyue Dai; B. R. Dawson; J. W. Elbert; B. E. Fick; L. Fortson; J. W. Fowler; K. G. Gibbs; Margaret Anderson Kennedy Glasmacher; K. D. Green; Y. Ho; Alan Guoming Huang; C. C. Jui; Matthew John Kidd; D. Kieda; B. C. Knapp; S. Ko; Christian Gronhoj Larsen; W. Lee; E. C. Loh; E. Mannel; J. A. J. Matthews
10^{17}
Astroparticle Physics | 2001
T. Abu-Zayyad; K. Belov; D.J Bird; J. Boyer; Z. Cao; M Catanese; G. F. Chen; R. W. Clay; C. E. Covault; Hongyue Dai; B. R. Dawson; J. W. Elbert; B. E. Fick; L. Fortson; J. W. Fowler; K. G. Gibbs; Margaret Anderson Kennedy Glasmacher; K. D. Green; Y. Ho; Alan Guoming Huang; C. C. Jui; Matthew John Kidd; D. Kieda; B. C. Knapp; S. Ko; Christian Gronhoj Larsen; W. Lee; E. C. Loh; E. Mannel; J. Matthews
eV and
The Astrophysical Journal | 1997
K. Boothby; M. C. Chantell; K. D. Green; D. Kieda; James H. Knapp; Christian Gronhoj Larsen; Simon P. Swordy
10^{18}
Nuclear Physics B - Proceedings Supplements | 1998
K. Boothby; M. C. Chantell; K. D. Green; D. Kieda; James H. Knapp; Christian Gronhoj Larsen; Simon P. Swordy
eV has been studied using a hybrid detector consisting of the High Resolution Flys Eye (HiRes) prototype and the MIA muon array. Measurements have been made of the change in the depth of shower maximum,
Nuclear Physics B - Proceedings Supplements | 1997
K. Boothby; M. C. Chantell; K. D. Green; D. Kieda; James H. Knapp; Christian Gronhoj Larsen; Simon P. Swordy
X_{max}
SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation | 1996
L. R. Wiencke; D. J. Bird; G. F. Chen; R. W. Clay; Hongyue Dai; Bruce R. Dawson; M.-H. A. Huang; Charles C. H. Jui; Matthew John Kidd; D. B. Kieda; S. Ko; Christian Gronhoj Larsen; Eugene C. Loh; J. D. Smith; P. Sokolsky; P. Sommers; J. K. K. Tang; Stan B. Thomas; C. R. Wilkinson; Shuhei Yoshida
, and in the change in the muon density at a fixed core location,
The 5th conference on the intersections of particle and nuclear physics | 1995
D. J. Bird; S. C. Corbato; Hongyue Dai; B. R. Dawson; J. W. Elbert; T. K. Gaisser; K. D. Green; M. A. Haung; D. Kieda; S. Ko; Christian Gronhoj Larsen; E. C. Loh; M. Lou; M. H. Salamon; J. D. Smith; P. Sommers; T. Stanev; J. K. K. Tang; S. B. Thomas; Serap Zeynep Tilav
\rho_\mu(600m)
Archive | 1995
D. J. Bird; S. C. Corbato; Hongyue Dai; B. R. Dawson; J. W. Elbert; Bruce L. Emerson; T. K. Gaisser; K. D. Green; M.-H. A. Huang; D. Kieda; S. Ko; Christian Gronhoj Larsen; E. C. Loh; Ming Luo; M. H. Salamon; J. D. Smith; P. Sokolsky; P. Sommers; T. Stanev; J. K. K. Tang; S. B. Thomas; Serap Zeynep Tilav
, as a function of energy. The composition has also been evaluated in terms of the combination of
