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Search for the rare decay neutral ka...

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Search for the rare decay neutral kaon(long) going to neutral pion-neutrino-antineutrino.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Search for the rare decay neutral kaon(long) going to neutral pion-neutrino-antineutrino./
作者:	Perdue, Gabriel N.
面頁冊數:	202 p.
附註:	Adviser: Yau W. Wah.
Contained By:	Dissertation Abstracts International69-04B.
標題:	Physics, Elementary Particles and High Energy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3309094
ISBN:	9780549569343

Search for the rare decay neutral kaon(long) going to neutral pion-neutrino-antineutrino.
Perdue, Gabriel N.

Search for the rare decay neutral kaon(long) going to neutral pion-neutrino-antineutrino. - 202 p.

Adviser: Yau W. Wah.

Thesis (Ph.D.)--The University of Chicago, 2008.

The E391a collaboration searched for the K0L → pi0nunu decay at the KEK 12 GeV proton synchrotron in Tsukuba, Japan. We performed a blind analysis on a sample of (5.13 +/- 0.4) x 109 Kaon decays. In a blind analysis, the signal region is kept hidden until all signal definition criteria are fixed in order to minimize the experimenter's bias in the process of cut selection. We established a background event estimate of 0.45 +/- 0.13 events through the combined use of simulation and data. After finalizing our signal criteria and background estimation, we opened our signal region and observed zero events. Therefore, we have set a new upper limit on the branching ratio for the K0L → pi0nunu decay at 6.7 x 10-8 at the 90% confidence level using Poisson statistics.

ISBN: 9780549569343Subjects--Topical Terms:

1019488
Physics, Elementary Particles and High Energy.

Search for the rare decay neutral kaon(long) going to neutral pion-neutrino-antineutrino.
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