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Measurement of Ψ 2S Decays + − into Λλπ Π

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Author

Muhammad Mushraf Ansari

Program

PhD

Institute

University of the Punjab

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

2012

Thesis Completion Status

Completed

Subject

Physics

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2537/1/2858S.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726626410

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This analysis is based on 106 M ψ(2S) data collected with Beijing Spectrom- eter III (BESIII) detector at Beijing Electron Positron Collider II. We report improved measurements of the branching fractions of ψ(2S) → ΛΛπ + π − , + ∗− ψ(2S) → Ξ− Ξ and ψ(2S) → Σ∗+ Σ . The branching fractions measured are (1.34 ± 0.05stat ± 0.24sys ) × 10−4 , (3.15 ± 0.35stat ± 0.55sys ) × 10−5 and (3.39 ± 0.34stat ± 0.61sys ) × 10−5 , respectively.
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