Measurement of angular asymmetries in the decays B →k∗+

(The BABAR Collaboration)

doi:10.1103/PhysRevD.93.052015

Measurement of angular asymmetries in the decays B →k∗+

(The BABAR Collaboration)

Physics

Research output: Contribution to journal › Article

35 Scopus citations

Abstract

We study the lepton forward-backward asymmetry AFB and the longitudinal K∗ polarization FL, as well as an observable P2 derived from them, in the rare decays B→K∗+, where + is either e+e- or μ+μ-, using the full sample of 471 million BB-events collected at the (4S) resonance with the BABAR, detector at the PEP-II e+e- collider. We separately fit and report results for the K∗0(892)+ and K∗+(892)+ final states, as well as their combination K∗+, in five disjoint dilepton mass-squared bins. An angular analysis of B+→K∗++ decays is presented here for the first time.

Original language	English (US)
Article number	052015
Journal	Physical Review D
Volume	93
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.93.052015
State	Published - Mar 28 2016

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.93.052015

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(The BABAR Collaboration) (2016). Measurement of angular asymmetries in the decays B →k∗+. Physical Review D, 93(5), [052015]. https://doi.org/10.1103/PhysRevD.93.052015

@article{6daba8da7040435484050c96d1ddbe18,

title = "Measurement of angular asymmetries in the decays B →k∗+",

abstract = "We study the lepton forward-backward asymmetry AFB and the longitudinal K∗ polarization FL, as well as an observable P2 derived from them, in the rare decays B→K∗+, where + is either e+e- or μ+μ-, using the full sample of 471 million BB-events collected at the (4S) resonance with the BABAR, detector at the PEP-II e+e- collider. We separately fit and report results for the K∗0(892)+ and K∗+(892)+ final states, as well as their combination K∗+, in five disjoint dilepton mass-squared bins. An angular analysis of B+→K∗++ decays is presented here for the first time.",

author = "{(The BABAR Collaboration)} and Lees, {J. P.} and V. Poireau and V. Tisserand and E. Grauges and A. Palano and G. Eigen and B. Stugu and Brown, {D. N.} and Kerth, {L. T.} and Kolomensky, {Yu G.} and Lee, {M. J.} and G. Lynch and H. Koch and T. Schroeder and C. Hearty and Mattison, {T. S.} and McKenna, {J. A.} and So, {R. Y.} and A. Khan and Blinov, {V. E.} and Buzykaev, {A. R.} and Druzhinin, {V. P.} and Golubev, {V. B.} and Kravchenko, {E. A.} and Onuchin, {A. P.} and Serednyakov, {S. I.} and Skovpen, {Yu I.} and Solodov, {E. P.} and Todyshev, {K. Yu} and Lankford, {A. J.} and B. Dey and Gary, {J. W.} and O. Long and {Franco Sevilla}, M. and Hong, {T. M.} and D. Kovalskyi and Richman, {J. D.} and West, {C. A.} and Eisner, {A. M.} and Lockman, {W. S.} and {Panduro Vazquez}, W. and Schumm, {B. A.} and A. Seiden and Chao, {D. S.} and Cheng, {C. H.} and B. Echenard and Flood, {K. T.} and Hitlin, {D. G.} and Miyashita, {T. S.} and P. Ongmongkolkul",

year = "2016",

month = mar,

day = "28",

doi = "10.1103/PhysRevD.93.052015",

language = "English (US)",

volume = "93",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

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TY - JOUR

T1 - Measurement of angular asymmetries in the decays B →k∗+

AU - (The BABAR Collaboration)

AU - Lees, J. P.

AU - Poireau, V.

AU - Tisserand, V.

AU - Grauges, E.

AU - Palano, A.

AU - Eigen, G.

AU - Stugu, B.

AU - Brown, D. N.

AU - Kerth, L. T.

AU - Kolomensky, Yu G.

AU - Lee, M. J.

AU - Lynch, G.

AU - Koch, H.

AU - Schroeder, T.

AU - Hearty, C.

AU - Mattison, T. S.

AU - McKenna, J. A.

AU - So, R. Y.

AU - Khan, A.

AU - Blinov, V. E.

AU - Buzykaev, A. R.

AU - Druzhinin, V. P.

AU - Golubev, V. B.

AU - Kravchenko, E. A.

AU - Onuchin, A. P.

AU - Serednyakov, S. I.

AU - Skovpen, Yu I.

AU - Solodov, E. P.

AU - Todyshev, K. Yu

AU - Lankford, A. J.

AU - Dey, B.

AU - Gary, J. W.

AU - Long, O.

AU - Franco Sevilla, M.

AU - Hong, T. M.

AU - Kovalskyi, D.

AU - Richman, J. D.

AU - West, C. A.

AU - Eisner, A. M.

AU - Lockman, W. S.

AU - Panduro Vazquez, W.

AU - Schumm, B. A.

AU - Seiden, A.

AU - Chao, D. S.

AU - Cheng, C. H.

AU - Echenard, B.

AU - Flood, K. T.

AU - Hitlin, D. G.

AU - Miyashita, T. S.

AU - Ongmongkolkul, P.

PY - 2016/3/28

Y1 - 2016/3/28

N2 - We study the lepton forward-backward asymmetry AFB and the longitudinal K∗ polarization FL, as well as an observable P2 derived from them, in the rare decays B→K∗+, where + is either e+e- or μ+μ-, using the full sample of 471 million BB-events collected at the (4S) resonance with the BABAR, detector at the PEP-II e+e- collider. We separately fit and report results for the K∗0(892)+ and K∗+(892)+ final states, as well as their combination K∗+, in five disjoint dilepton mass-squared bins. An angular analysis of B+→K∗++ decays is presented here for the first time.

AB - We study the lepton forward-backward asymmetry AFB and the longitudinal K∗ polarization FL, as well as an observable P2 derived from them, in the rare decays B→K∗+, where + is either e+e- or μ+μ-, using the full sample of 471 million BB-events collected at the (4S) resonance with the BABAR, detector at the PEP-II e+e- collider. We separately fit and report results for the K∗0(892)+ and K∗+(892)+ final states, as well as their combination K∗+, in five disjoint dilepton mass-squared bins. An angular analysis of B+→K∗++ decays is presented here for the first time.

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U2 - 10.1103/PhysRevD.93.052015

DO - 10.1103/PhysRevD.93.052015

M3 - Article

VL - 93

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 5

M1 - 052015

ER -