Mathematics – Probability
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phdt........77b&link_type=abstract
Thesis (PH.D.)--UNIVERSITY OF HAWAII, 1991.Source: Dissertation Abstracts International, Volume: 52-12, Section: B, page: 6450.
Mathematics
Probability
1
Muons
Scientific paper
The IMB detector is the worlds largest water Cerenkov particle detector, situated in the Fairport mine in Grand River, Ohio. It consists of about 8000 tons of ultrapure water instrumented with 2048 eight-inch photomultipliers. It has an effective area of 360 m^2, and registers upward-going muons at a rate of about 0.5 events per day. These muons are interpreted to be the result of neutrino interactions in the rock below the detector. The flux and angular distribution of these muons is compared to the expectation from the production and interaction of atmospheric neutrinos; good agreement is found. Pattern-sensitive event fitting techniques are used to determine the direction of the muons. An estimate of the muon energy is made using the measured energy deposition of the muons. That muon energy estimate is used to estimate the scattering angle between neutrino and muon, which determines the angular resolution of the muons when used for neutrino astronomy. The celestial arrival direction of the muons is studied for correlations, using a twopoint correlation technique. A correlation of 2.5sigma statistical significance is found at small angles. This is compatible with about 17 of the neutrino events originating from a few point sources. The ensemble of the muons is studied by an ideogram technique in search of point sources. No statistically significant neutrino point source candidates are found; the most unlikely point source candidate has a chance probability of 12%. The flux of neutrinos from the direction of eight astronomical objects which are expected to emit neutrinos is estimated; two sources (Cen X-3 and Her X-1) show a flux excess of neutrinos with individual chance probabilities less than 2%.
No associations
LandOfFree
Study of Upward-Going Muons with the IMB Detector does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Study of Upward-Going Muons with the IMB Detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Study of Upward-Going Muons with the IMB Detector will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1319040