TY  - JOUR
AU  - LHCb Collaboration (Aaij, R. et al
AU  - Martinez-Vidal, F.
AU  - Oyanguren, A.
AU  - Ruiz Valls, P.
AU  - Sanchez Mayordomo, C.
PY  - 2014
DA  - 2014//
TI  - Measurement of CP asymmetries in the decays B-0 -> K-*0 mu(+) mu(-) and B+ -> K+ mu(+) mu(-)
T2  - J. High Energy Phys.
JO  - Journal of High Energy Physics
SP  - 177
EP  - 18pp
VL  - 09
IS  - 9
PB  - Springer
KW  - Rare decay
KW  - CP violation
KW  - Hadron-Hadron Scattering
KW  - B physics
KW  - Flavour Changing Neutral Currents
AB  - The direct CP asymmetries of the decays B-0 -> K-*0 mu(+) mu(-) and B+ -> K+ mu(+) mu(-) are measured using pp collision data corresponding to an integrated luminosity of 3.0 fb(-1) collected with the LHCb detector. The respective control modes B-0 -> J/psi K+ and B+ -> J/psi K+ are used to account for detection and production asymmetries. The measurements are made in several intervals of mu(+)mu(-) invariant mass squared, with the phi(1020) and charmonium resonance regions excluded. Under the hypothesis of zero CP asymmetry in the control modes, the average values of the asymmetries are A(CP)(B-0 -> K-*0 mu(+) mu(-) and B+ -> K+ mu(+) mu(-)) = -0.035 +/- 0.024 +/- 0.003, A(CP)(B+ -> K+ mu(+) mu(-) = 0.012 +/- 0.017 +/- 0.001, where the first uncertainties are statistical and the second are due to systematic effects. Both measurements are consistent with the Standard Model prediction of small CP asymmetry in these decays.
SN  - 1029-8479
UR  - http://arxiv.org/abs/1408.0978
UR  - https://doi.org/10.1007/JHEP09(2014)177
DO  - 10.1007/JHEP09(2014)177
LA  - English
N1  - WOS:000343156800002
ID  - LHCbCollaborationAaij_etal2014
ER  -