Measurement of the CP asymmetry in B0→K*0μ +μ- decays
- R. Aaijb(Author),
- C. Abellan Betetaad(Author),
- A. Adametzaj(Author),
- B. Adevaa(Author),
- M. Adinolfiai(Author),
- C. Adroverv(Author)
- aUniversity of Santiago de Compostela,
- bNational Institute for Subatomic Physics,
- cPontifícia Universidade Católica do Rio de Janeiro,
- dIstituto Nazionale Di Fisica Nucleare,
- eAlikhanov Institute for Theoretical and Experimental Physics,
- fCERN
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2.33
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Número de autores
622
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89
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23
Resumen
A measurement of the CP asymmetry in B0→K *0μ +μ - decays is presented, based on 1.0 fb -1 of pp collision data recorded by the LHCb experiment during 2011. The measurement is performed in six bins of invariant mass squared of the μ +μ - pair, excluding the J/ψ and ψ(2S) resonance regions. Production and detection asymmetries are removed using the B0→J/ψK *0 decay as a control mode. The integrated CP asymmetry is found to be -0.072±0.040(stat)±0.005(syst), consistent with the standard model.
Información de Publicación
Tipo de resultado
Research Output: Contribution to journal Article Revisión por expertos
Idioma original
EnglishNúmero de artículo
031801Revista (Volumen, Número de Edición)
Physical Review Letters (Volumen 110, Número 3)Hitos de publicación
- Published - 17/01/2013
Estado de publicación
Published - 17/01/2013
ISSN
0031-9007ID de publicación externa
- Scopus: 84872695919
- WOS: 000313754700001
Detalles de Financiación
FinanciadoresNúmeros de financiación
NSF
-STFC
PP/E000347/1, ST/H001069/2, ST/L001195/1, ST/H001085/2, ST/H001085/1, ST/K001256/1, ST/K001361/1, GRIDPP, ST/K001310/1, ST/K001604/1, ST/F008015/1, ST/G005974/1, LHCb, ST/H00100X/1, ST/H00081X/2, ST/L001144/1, ST/L003112/1, ST/H00081X/1, ST/K00073X/1, ST/K000748/1, ST/H00100X/2, ST/K000705/1, ST/J005568/1, ST/K004646/1, PP/E000355/1, ST/H006737/1, ST/H001093/2, ST/M001431/1, ST/K001418/1, ST/K00140X/1, ST/M001474/1, LHCb Upgrades, ST/H001093/1, ST/I505572/1, ST/K00137X/1, ST/F007094/1, ST/L003392/1
STFC
-SNF
127479, 139663, 141096
SNF
-