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Search for decays of B mesons to charmed baryons: an analysis design study

Farino, Mark (2022) Search for decays of B mesons to charmed baryons: an analysis design study. Undergraduate Thesis, University of Pittsburgh. (Unpublished)

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Abstract

We search for the Standard Model (SM) decays \bar{B}^0 → \bar{Λ}^0 Ω_c^0 and \bar{B}^0 → \bar{Λ}^0 Ω_c(2770)^0, and beyond the Standard Model (BSM) decays \bar{B}^0 → \bar{Λ}^0 \bar{Ω}_c^0 and \bar{B}^0 → \bar{Λ}^0 \bar{Ω}_c(2770)^0 using the full Belle data sample of 711 fb−1 that contains 772 million BB pairs collected at the Υ(4S) resonance with the Belle detector at KEKB asymmetric-energy electron-positron collider. The former two non-factorizable W-emission decays are suppressed in the Standard Model, could be used to understand the predictions of QCD-inspired models and, when discovered, would become a useful tool to search for baryon-antibaryon oscillations, therefore helping to explain matter-antimatter asymmetry. The observation of the latter two final states would either indicate an SM decay followed by baryon-antibaryon oscillations or be the result of a direct BSM transition. Using Monte Carlo simulation, we study Belle’s sensitivity to the aforementioned SM decays and report the current status of the analysis.

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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Farino, Markmlf85@pitt.edumlf85
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Thesis AdvisorSavinov, Vladimirvladimirsavinov@pitt.eduvps3
Committee MemberLeibovich, Adamakl2@pitt.eduakl2
Committee MemberPaolone, Vittoriovipres@pitt.eduvipres
Committee MemberBriere, Royrbriere@strange.phys.cmu.edu
Date: 24 April 2022
Date Type: Publication
Defense Date: 8 April 2022
Approval Date: 24 April 2022
Submission Date: 21 April 2022
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 75
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: particle physics, Belle, data analysis, charmed baryons, baryon number violation
Date Deposited: 24 Apr 2022 19:54
Last Modified: 24 Apr 2022 19:54
URI: http://d-scholarship.pitt.edu/id/eprint/42680

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