2000AIPC..515..441S
Results from the Milagrito experiment
Smith, A. J. ( University of California, Riverside, California 92521; University of Maryland, College Park, Maryland 20742 ); Atkins, R. ( University of Utah, Salt Lake City, Utah 84112 ); Benbow, W. ( University of California, Santa Cruz, California 95064 ); Berley, D. ( University of Maryland, College Park, Maryland 20742 ); Chen, M. L. ( University of Maryland, College Park, Maryland 20742 ); Coyne, D. G. ( University of California, Santa Cruz, California 95064 ); Dingus, B. L. ( University of Utah, Salt Lake City, Utah 84112 ); Dorfan, D. E. ( University of California, Santa Cruz, California 95064 ); Ellsworth, R. W. ( George Mason University, Fairfax, Virginia 22030 ); Evans, D. ( University of California, Irvine, California 92697 ); Falcone, A. ( University of New Hampshire, Durham, New Hampshire 03824 ); Fleysher, L. ( New York University, New York, New York 10003 ); Fleysher, R. ( New York University, New York, New York 10003 ); Gisler, G. ( Los Alamos National Laboratory, Los Alamos, New Mexico 87545 ); Goodman, J. A. ( University of Maryland, College Park, Maryland 20742 ); Haines, T. J. ( Los Alamos National Laboratory, Los Alamos, New Mexico 87545 ); Hoffman, C. M. ( Los Alamos National Laboratory, Los Alamos, New Mexico 87545 ); Hugenberger, S. ( University of California, Irvine, California 92697 ); Kelley, L. A. ( University of California, Santa Cruz, California 95064 ); Leonor, I. ( University of California, Irvine, California 92697 ); McConnell, M. ( University of New Hampshire, Durham, New Hampshire 03824 ); McCullough, J. F. ( University of California, Santa Cruz, California 95064 ); McEnery, J. E. ( University of Utah, Salt Lake City, Utah 84112 ); Miller, R. S. ( Los Alamos National Laboratory, Los Alamos, New Mexico 87545; University of New Hampshire, Durham, New Hampshire 03824 ); Mincer, A. I. ( New York University, New York, New York 10003 ); Morales, M. F. ( University of California, Santa Cruz, California 95064 ); Nemethy, P. ( New York University, New York, New York 10003 ); Ryan, J. M. ( University of New Hampshire, Durham, New Hampshire 03824 ); Shen, B. ( University of California, Riverside, California 92521 ); Shoup, A. ( University of California, Irvine, California 92697 ); Sinnis, G. ( Los Alamos National Laboratory, Los Alamos, New Mexico 87545 ); Sullivan, G. W. ( University of Maryland, College Park, Maryland 20742 ); Tumer, T. ( University of California, Riverside, California 92521 ); Wang, K. ( University of California, Riverside, California 92521 ); Wascko, M. O. ( University of California, Riverside, California 92521 ); Westerhoff, S. ( University of California, Santa Cruz, California 95064 ); Williams, D. A. ( University of California, Santa Cruz, California 95064 ); Yang, T. ( University of California, Santa Cruz, California 95064 ); Yodh, G. B. ( University of California, Irvine, California 92697 ); MILAGRO Collaboration and 30 coauthors show affiliations
GeV-TeV GAMMA RAY ASTROPHYSICS WORKSHOP: Towards a Major Atmospheric Cherenkov Detector VI. AIP Conference Proceedings, Volume 515, pp. 441-447 (2000).
Published in Jun 2000
The Milagro water Cherenkov detector near Los Alamos, New Mexico is the first air shower detector capable of continuously monitoring the sky at energies between 500 GeV and 20 TeV. Preliminary results of the Milagro experiment are presented. A predecessor of the Milagro detector, Milagrito, was operational from February 1997 to May 1998. Milagrito consisted of 228 8'' photomultiplier tubes (PMTs) arranged in a grid with a 2.8 meter spacing and submerged in 1-2 meters of water. During its operation, Milagrito collected in excess of 9 billion events with a median energy of about 3 TeV. The detector's sensitivity extends below 1 TeV for showers from near zenith. The results of an all sky search for the Milagrito data for both transient and DC sources will be presented, including the Crab Nebula and active galaxies Markarian 501 and 421, which are known sources of TeV gamma-rays. Also presented will be a study of the TeV emission from gamma ray bursts (GRBs) in Milagrito's field of view detected by the BATSE experiment on the Compton Gamma-Ray Observatory. .
Keywords:
PACS Codes: 95.55.Ka; 95.85.Pw; 98.70.Rz
PACS: X- and gamma-ray telescopes and instrumentation; gamma-ray; gamma-ray bursts; gamma-ray sources
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