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Signals from cosmic ray sources, some statistical issues
The possible existence of discrete sources of cosmic rays is presently one of the main topics of study in non-accelerator particle physics. The search is being conducted in a wide variety of experiments using UHE-{gamma} rays, VHE-{gamma} rays, EeV particles, underground {mu}'s and {nu}'s. The current experimental situation, however, can be described as chaotic. The number of claimed observations of sources by different groups using a variety of experimental techniques is quite large, but a consistent interpretation of the various results has failed to emerge. Most of the observations rely on either on dc excess'' from the direction of the source, a periodicity of the events from that direction, or some combination of these two effects. In the first section of this paper, we discuss some of the techniques that may be used in searching for a dc excess. We review two common bin free tests of the light curves. We discuss a particular problem involving phase coherence when doing a period search. This paper discusses some of the issues and meanings involved in combining probabilities from more than one test. Prescribing the right'' way to do analysis is certainly beyond this paper's scope. However some of the issues and …
Date:
October 27, 1990
Creator:
Goodman, M.
Object Type:
Article
System:
The UNT Digital Library
[News Clip: Texans Talk]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date:
October 27, 1990, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Williams]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date:
October 27, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Protest Budget]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 6pm.
Date:
October 27, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Budget Continued]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 6pm.
Date:
October 27, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[Agenda for the October 27, 1990 meeting of the Texas Human Rights Foundation]
Agenda for the Texas Human Rights Foundation meeting on October 27, 1990.
Date:
October 27, 1990
Creator:
Texas Human Rights Foundation
Object Type:
Text
System:
The UNT Digital Library
[Texas Human Rights Foundation minutes of board meeting, October 27, 1990, with notes]
Minutes from the Texas Human Rights Foundation board meeting on October 27, 1990.
Date:
October 27, 1990
Creator:
Texas Human Rights Foundation
Object Type:
Text
System:
The UNT Digital Library
[Texas Human Rights Foundation minutes of board meeting, October 27, 1990]
Minutes from a Texas Human Rights Foundation meeting in October 1990.
Date:
October 27, 1990
Creator:
Texas Human Rights Foundation
Object Type:
Text
System:
The UNT Digital Library
[News Clip: Protest budget]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 27, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Williams]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 27, 1990, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News releases: Blacks in Hollywood Film Series Screens "Home of the Brave"]
News release regarding the screening of the film 'Home of the Brave.' This film was the opening of the Junior Black Academy of Arts and Letters's Blacks in Hollywood Film Series.
Date:
October 27, 1990
Creator:
Junior Black Academy of Arts and Letters
Object Type:
Text
System:
The UNT Digital Library
The Perry Daily Journal (Perry, Okla.), Vol. 97, No. 222, Ed. 1 Saturday, October 27, 1990
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 27, 1990
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[News Clip: Zoo Halloween]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 27, 1990, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Pawhuska Journal-Capital (Pawhuska, Okla.), Vol. 80, No. 86, Ed. 1 Saturday, October 27, 1990
Semiweekly newspaper from Pawhuska, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 27, 1990
Creator:
Smith, Jodi
Object Type:
Newspaper
System:
The Gateway to Oklahoma History