Evidence for a narrow peak in Ksoπ±π+π- at 2.6 gev in <math><mtext>12 gev/</mtext><mtext>c</mtext></math><math><mtext>p</mtext></math>p interactions期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Evidence for a narrow peak in K_s^oπ^±π⁺π^- at 2.6 gev in $12 gev/ c$ $p$ p interactions

Authors:	A Apostolakis R Casali C Caso Y Goldschmidt-clermont L Pape JP Porte A Stergiou B Tallini G Vassiliadis H Wenninger G Grard VP Henri P Herquet J Kesteman S Banerjee KWJ Barnham R Beuselinck I Butterworth A Jacholkowska

Institution:	CERN, European Organization for Nuclear Research, Geneva, Switzerland;Faculté des Sciences, Université de l''Etat, Mons, Belgium;Imperial College, London, UK

Abstract:	We report the evidence for a narrow charged peak (5.5 s.d.), which we suggest calling the I, in the 6-prong-V⁰ topology of $p$ p interactions at 12 GeV/c. The mass, widht and the product of cross section σ_I times the branching ratio BR into the final state (K_s^oτ±τ⁺τ^? are found to be: $M_{I} =2.60 ± 0.01 GeV / c^{2}$ , $Γ_{I} ? 0.018 GeV / c^{2}$ , σ_I·BR≈20 μbarn

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