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Search for the decay Bs0 → η' Xss̄ Using a Semi-Inclusive Method at the Belle Experiment

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Title:Search for the decay Bs0 → η' Xss̄ Using a Semi-Inclusive Method at the Belle Experiment
Authors:Dubey, Shawn
Contributors:Browder, Thomas E. (advisor)
Physics (department)
Keywords:Particle physics
belle II
flavor physics
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Date Issued:2020
Publisher:University of Hawai'i at Manoa
Abstract:The decay Bs0 → η' Xss̄ is searched for at Belle, using Belle’s 121.4/fbintegrated luminosity data sample, taken at Υ(5S) resonance. A semi-
inclusive reconstruction method whereby the Xss̄ is reconstructed as a
system of two kaons and up to four pions, with at most one neutral
pion, is used. Using the η' sub-decay mode η'→ η (→ γγ ) π+ π− and
examining the Xss̄ mass range M( Xss̄ ) ≤ 2.4 GeV/c^2 , an upper limit at
90% confidence level is set. This mode had been previously unstudied
and this analysis partially hopes to motivate future theoretical studies
as well as future analyses at the Belle II experiment.
Pages/Duration:212 pages
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: Ph.D. - Physics

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