Zobrazeno 1 - 10 of 88 pro vyhledávání: '"D. E. Nagle"'
1
New limit on the rate-density of evaporating black holes
Autor: D. D. Weeks, David A. Williams, G. M. Dion, C. Y. Chang, Mike Stark, M. L. Chen, C. Dion, A. L. Shoup, R. L. Burman, J. P. Wu, G. E. Allen, W. Zhang, J. A. Goodman, S. R. Klein, P. Chumney, C. M. Hoffman, T. J. Haines, S. D. Biller, D. E. Dorfan, M. Cavalli-Sforza, G. B. Yodh, D. M. Schmidt, D. G. Coyne, R. Schnee, C. Sinnis, D. E. Nagle, D. Berley, Luke Zoltan Kelley, T. Yang, M. Harmon, D. E. Alexandreas, R. W. Ellsworth
Publikováno v: Physical Review Letters. 71:2524-2527
Data taken with the CYGNUS detector between 1989 September and 1993 January have been used to search for 1 s bursts of ultrahigh-energy gamma rays from point sources at arbitrary locations in the northern sky. We find no evidence for such bursts. We
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cece27a85122da4ea5a53503bb36d04
https://doi.org/10.1103/physrevlett.71.2524
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2
The CYGNUS extensive air-shower experiment
Autor: C. Sinnis, R. Cady, W. Zhang, P.R. Vishwanath, T. N. Thompson, M. Potter, V. D. Sandberg, C.A. Wilkinson, Todd Haines, G. B. Yodh, D. E. Alexandreas, S. D. Biller, R. L. Burman, C. Y. Chang, R. W. Ellsworth, D. E. Nagle, J. A. Goodman, Brenda Dingus, X. Q. Lu, R. L. Talaga, K. B. Butterfield, J. Lloyd-Evans, R. S. Delay, R. C. Allen, G. M. Dion, S. Stanislaus, C. M. Hoffman, S. Gupta, M. J. Stark, D. A. Krakauer, D. Berley
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 311:350-367
The CYGNUS extensive air-shower experiment is described. The design criteria, construction and operation details, and performance characteristics are presented. A discussion of the data analysis techniques is given. Finally, several enhancements and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c95ba416b2c35de357bad798ae8ea07
https://doi.org/10.1016/0168-9002(92)90883-6
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4
Astrophysics with MILAGRO
Autor: J. A. Goodman, O. T. Tumer, S. W. Barwick, C. Sinnis, S. Klein, B. F. Fujikawa, A. Zych, L. A. Kelly, S. C. Schaller, D. E. Nagle, Todd Haines, G. B. Yodh, R. L. Burman, S. D. Biller, C. Y. Chang, Terrence J. O'Neill, C. Dion, V. D. Sanberg, D. D. Weeks, Allen Mincer, D. E. Dorfan, M. L. Chen, R. W. Ellsworth, D. A. Williams, R. Lamb, M. Cavalli-Sforza, S. J. Freedman, D. G. Coyne, D. H. White, Peter Nemethy, C. M. Hoffman, D. M. Schmidt
Publikováno v: AIP Conference Proceedings.
This paper describes how data from a new type of air shower detector, MILAGRO, can shed light on a variety of interesting problems in astrophysics. MILAGRO has the capability to make observations of VHE/UHE emission from the recently discovered TeV g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4d2a34d010914eef0b1eefd5391bff2
https://doi.org/10.1063/1.45689
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5
Observation of shadowing of ultrahigh-energy cosmic rays by the Moon and the Sun
Autor: R. L. Talaga, J. Lloyd-Evans, D. E. Alexandreas, P. R. Vishwanath, M. K. Gilra, M. E. Potter, R. L. Burman, G. B. Yodh, C. M. Hoffman, D. A. Krakauer, P. W. Kwok, D. Berley, Mike Stark, S. Gupta, X. Q. Lu, C. Y. Chang, W. Zhang, R. C. Allen, G. M. Dion, D. R. Cady, V. D. Sandberg, R. W. Ellsworth, D. E. Nagle, Brenda Dingus, T. J. Haines, S. D. Biller, J. A. Goodman
Publikováno v: Physical review. D, Particles and fields. 43(5)
Data from an extensive air shower detector of ultrahigh-energy cosmic rays shows shadowing of the cosmic-ray flux by the Moon and the Sun with significance of 4.9 standard deviations. This is the first observation of such shadowing. The effect has be
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e20f9040a6fa11576dad18c4f0e9a80a
https://pubmed.ncbi.nlm.nih.gov/10013548
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6
MILAGRO-A TeV air shower array
Autor: J. A. Goodman, C. Y. Chang, T. J. Haines, P. -W. Kwok, X -Q. Lu, G. B. Yodh, R. L. Burman, C. M. Hoffman, E. C. Milner, D. E. Nagle, M. E. Potter, V. Sandberg, D. H. White, W. -P. Zhang, R. W. Ellsworth, S. Freedman, B. Fujikawa, D. Krakauer, R. Lamb, A. I. Mincer, R. Svoboda, T. Tumer, A. Zych, M. Cavalli, D. Coyne, D. Dorfan, D. Williams
Publikováno v: AIP Conference Proceedings.
In this paper we describe a new proposed water‐Cerenkov detector called MILAGRO, for observing cosmic gamma rays over a broad energy range of 1–1000 TeV. This detector will have an angular resolution better than 0.5° and an energy threshold near
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1966862535f61152f7e9e4f231df44c3
https://doi.org/10.1063/1.40309
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7
The showerfront time-structure of ‘‘anomalous muon’’ events associated with Hercules X-1
Autor: Mike Stark, D. E. Nagle, J. A. Goodman, D. R. Cady, G. M. Dion, M. E. Potter, D. A. Krakauer, P. W. Kwok, C. M. Hoffman, J. Lloyd-Evans, C. Y. Chang, R. L. Burman, D. Berley, W. P. Zhang, G. B. Yodh, B. L. Dingus, D. E. Alexandreas, C. Dion, V. D. Sandberg, Presented by S. Biller, X. Q. Lu, R. W. Ellsworth, P. R. Vishwanath, T. J. Haines, S. D. Biller
Publikováno v: AIP Conference Proceedings.
The 11 ‘‘in‐phase’’ source events from the 1986 muon‐rich bursts associated with Hercules X‐1 (previously reported by this group) have been studied for indications of further anomalous behavior. The most significant effect observed resu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57e64c2f13e3cfb5b3ed2265450a6fab
https://doi.org/10.1063/1.40334
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9
Search for UHE emission from 4U0115+63
Autor: D. E. Nagle, D. Berley, D. A. Krakauer, P. W. Kwok, P. R. Vishwanath, J. A. Goodman, B. L. Dingus, R. C. Allen, D. R. Cady, W. P. Zhang, J. Lloyd-Evans, D. Dion, X. Q. Lu, G. M. Dion, S. Gupta, R. L. Burman, R. L. Talaga, D. E. Alexandreas, C. M. Hoffman, T. J. Haines, S. D. Biller, V. D. Sandberg, G. B. Yodh, C. Y. Chang, R. W. Ellsworth, M. E. Potter, Presented by D. E. Alexandreas, Mike Stark
Publikováno v: AIP Conference Proceedings.
We report here the preliminary results of our observations of the sporadic X‐binary system 4U0115+63. The CYGNUS air shower array has been collecting data since April 1986. No significant excess is seen from the direction of this source, nor any co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2730981fb2f036e69941f878b1182dda
https://doi.org/10.1063/1.40335
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10
Recent data from the CYGNUS experiment
Autor: J. A. Goodman, R. Cady, J. Lloyd-Evans, D. E. Nagle, R. L. Burman, D. Berley, P. R. Vishwanath, B. L. Dingus, G. B. Yodh, Mike Stark, R. C. Allen, R. L. Talaga, D. E. Alexandreas, G. M. Dion, T. J. Haines, S. D. Biller, X. Q. Lu, C. M. Hoffman, V. D. Sandberg, W. P. Zhang, C. Y. Chang, R. W. Ellsworth, M. E. Potter, D. A. Krakauer, P. W. Kwok
Publikováno v: AIP Conference Proceedings.
Data from the CYGNUS extensive air shower experiment at Los Alamos, NM has been analyzed to study the angular resolution of the array, and to search for point sources in the galaxy. Results on searches for steady emission from Cyg X‐3, Her X‐1 an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a70edaf841a997df48e5fba008b60e1d
https://doi.org/10.1063/1.40328
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