Search for the rare decay KS→μ+μ−

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RECERCAT Home > Universitat de Barcelona > Institut de Ciències del Cosmos (ICCUB) > Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/57575

Title:	Search for the rare decay KS→μ+μ−
Author:	Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Comerma Montells, Albert; Domingo Bonal, Francesc; Garrido Beltrán, Lluís; Grabalosa Gándara, Marc; Graciani Díaz, Ricardo; Graugés Pous, Eugeni; López Asamar, Elias; Pérez-Calero Yzquierdo, Antonio; Picatoste Olloqui, Eduardo; Pie Valls, B. (Blai); Potterat, Cédric; Rives Molina, Vicente José; Ruiz, Hugo (Ruiz Pérez); Vázquez Gómez, Ricard; Vilasis-Cardona, Xavier; LHCb Collaboration
Other authors:	Universitat de Barcelona
Abstract:	A search for the decay K0S→μ+μ− is performed, based on a data sample of 1.0 fb−1 of pp collisions at s√=7TeV collected by the LHCb experiment at the Large Hadron Collider. The observed number of candidates is consistent with the background-only hypothesis, yielding an upper limit of B(K0S→μ+μ−) < 11(9) × 10−9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.
Subject(s):	-Teoria quàntica de camps -Gravitació -Relativitat (Física) -Teoria quàntica -Quantum field theory -Gravitation -Relativity (Physics) -Quantum theory
Rights:	cc-by (c) LHCb Collaboration, 2013 http://creativecommons.org/licenses/by/3.0/es/
Document type:	Article Article - Published version
Published by:	Springer Verlag
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