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Search for Bs→η'η in Belle data

Zummo, Anthony (2017) Search for Bs→η'η in Belle data. Undergraduate Thesis, University of Pittsburgh. (Unpublished)

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We search for the decay Bs → η'η using 121.4 fb−1 of data collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric-energy electron-positron collider. This decay is suppressed in the Standard Model of particle physics and proceeds through transitions sensitive to new physics. The expected branching fraction for Bs → η'η in the Standard Model is 33.5×10−6. This decay has not been observed yet. We use Monte Carlo simulation to optimize our selection criteria for signal events and a Neural Network to separate signal from background. Our study maximizes discovery potential for this process.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Zummo, Anthonyaaz15@pitt.eduaaz15
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairSavinov, Vladimirvladimirsavinov@gmail.comvps3
Committee MemberClark, Russellrussell.clark@pitt.eduruc2
Committee MemberHong, Tae Mintmhong@pitt.edutmhong
Committee MemberBriere,
Date: 26 April 2017
Date Type: Publication
Defense Date: 14 April 2017
Approval Date: 26 April 2017
Submission Date: 20 April 2017
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 58
Institution: University of Pittsburgh
Schools and Programs: David C. Frederick Honors College
Dietrich School of Arts and Sciences > Physics
Degree: BPhil - Bachelor of Philosophy
Thesis Type: Undergraduate Thesis
Refereed: Yes
Uncontrolled Keywords: Physics Belle B mesons rare decays
Date Deposited: 26 Apr 2017 15:17
Last Modified: 27 Apr 2017 05:15


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