An analysis of the decay B-0 -> J/psi K*(892)(0) is presented using data, corresponding to an integrated luminosity of 1.0 fb(-1), collected in pp collisions at a center-of-mass energy of 7 TeV with the LHCb detector. The polarization amplitudes and the corresponding phases are measured to be vertical bar A(parallel to)vertical bar(2) = 0.227 +/- 0.004 (stat) +/- 0.011 (syst), vertical bar A(perpendicular to)vertical bar(2) = 0.201 +/- 0.004 (stat) +/- 0.008 (syst), delta(parallel to)[rad] = -2.94 +/- 0.02 (stat) +/- 0.03 (syst), and delta(perpendicular to)[rad] = 2.94 +/- 0.02 (stat) +/- 0.02 (syst). Comparing B-0 -> J/psi K*(892)(0) and (B) over bar (0) -> J/psi(K) over bar*(892)(0) decays, no evidence for direct CP violation is found.

Measurement of the polarization amplitudes in B-0 -> J/psi K*(892)(0) decays / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P. A., C., S., A., S., A., Y., A., L., A., J., A., R., A., R. B., A., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 88:5(2013). [10.1103/physrevd.88.052002]

Measurement of the polarization amplitudes in B-0 -> J/psi K*(892)(0) decays

SARTI, ALESSIO;SCIUBBA, Adalberto;
2013

Abstract

An analysis of the decay B-0 -> J/psi K*(892)(0) is presented using data, corresponding to an integrated luminosity of 1.0 fb(-1), collected in pp collisions at a center-of-mass energy of 7 TeV with the LHCb detector. The polarization amplitudes and the corresponding phases are measured to be vertical bar A(parallel to)vertical bar(2) = 0.227 +/- 0.004 (stat) +/- 0.011 (syst), vertical bar A(perpendicular to)vertical bar(2) = 0.201 +/- 0.004 (stat) +/- 0.008 (syst), delta(parallel to)[rad] = -2.94 +/- 0.02 (stat) +/- 0.03 (syst), and delta(perpendicular to)[rad] = 2.94 +/- 0.02 (stat) +/- 0.02 (syst). Comparing B-0 -> J/psi K*(892)(0) and (B) over bar (0) -> J/psi(K) over bar*(892)(0) decays, no evidence for direct CP violation is found.
2013
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the polarization amplitudes in B-0 -> J/psi K*(892)(0) decays / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P. A., C., S., A., S., A., Y., A., L., A., J., A., R., A., R. B., A., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 88:5(2013). [10.1103/physrevd.88.052002]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/560422
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