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Title: 0 SEARCH FOR ψ (2S ) → Λ Λ Ks
Authors: Zafar, Abrar Ahmad
Keywords: Natural Sciences
High energy physics
Issue Date: 2010
Abstract: Using 14 million ψ(2S) decay events registered by Beijing Spectrometer II commonly known as BESII at Beijing Electron Positron Collider (BEPC), we have performed ̄ 0 detailed study of ψ(2S) → ΛΛKs (a strangeness and isospin violating process), to look for any hint beyond the ’Standard Model’. Finding no obvious signal, we report, first time, an upper limit of 9.3 × 10−5 at 90% confidence level, for the branching fraction.
Appears in Collections:PhD Thesis of All Public / Private Sector Universities / DAIs.

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