Amplitude analysis of the B±→φK*(892)± decay

被引：26

作者：

Aubert, B. ^{[1
]}

Bona, M.

Boutigny, D.

Karyotakis, Y.

Lees, J. P.

Poireau, V.

Prudent, X.

Tisserand, V.

Zghiche, A.

Tico, J. Garra

Grauges, E.

Lopez, L.

Palano, A.

Eigen, G.

Stugu, B.

Sun, L.

Abrams, G. S.

Battaglia, M.

Brown, D. N.

Button-Shafer, J.

Cahn, R. N.

Groysman, Y.

Jacobsen, R. G.

Kadyk, J. A.

Kerth, L. T.

Kolomensky, Yu. G.

Kukartsev, G.

Pegna, D. Lopes

Lynch, G.

Mir, L. M.

Orimoto, T. J.

Ronan, M. T.

Tackmann, K.

Wenzel, W. A.

Sanchez, P. del Amo

Hawkes, C. M.

Watson, A. T.

Held, T.

Koch, H.

Lewandowski, B.

Pelizaeus, M.

Schroeder, T.

Steinke, M.

Walker, D.

Asgeirsson, D. J.

Cuhadar-Donszelmann, T.

Fulsom, B. G.

Hearty, C.

Mattison, T. S.

McKenna, J. A.

机构：

[1] Univ Savoie, Lab Phys Particles, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[2] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain

[3] Univ Bari, Dipartimento Fis, INFN, I-70126 Bari, Italy

[4] Univ Bergen, Inst Phys, N-5007 Bergen, Norway

[5] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[6] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[7] Ruhr Univ Bochum, Inst Expt Phys 1, D-4630 Bochum, Germany

[8] Univ Bristol, Bristol BS8 1TL, Avon, England

[9] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada

[10] Brunel Univ, Uxbridge UB8 3PH, Middx, England

[11] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[12] Univ Calif Irvine, Irvine, CA 92697 USA

[13] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[14] Univ Calif Riverside, Riverside, CA 92521 USA

[15] Univ Calif San Diego, La Jolla, CA USA

[16] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[17] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA

[18] CALTECH, Pasadena, CA 91125 USA

[19] Univ Cincinnati, Cincinnati, OH 45221 USA

[20] Univ Colorado, Boulder, CO 80309 USA

[21] Colorado State Univ, Ft Collins, CO 80523 USA

[22] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[23] Tech Univ Dresden, Inst Kernphys, D-8027 Dresden, Germany

[24] Ecole Polytech, CNRS, Lab Leprince Ringuet, IN2P3, F-91128 Palaiseau, France

[25] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[26] Univ Ferrara, Dipartimento Fis, INFN, I-44100 Ferrara, Italy

[27] Lab Nazl Frascati, INFN, I-00044 Frascati, Italy

[28] Univ Genoa, Dipartimento Fis, INFN, I-161446 Genoa, Italy

[29] Harvard Univ, Cambridge, MA 02138 USA

[30] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[31] Imperial Coll London, London SW7 2AZ, England

[32] Univ Iowa, Iowa City, IA 52242 USA

[33] Univ Iowa, Ames, IA 52242 USA

[34] Johns Hopkins Univ, Baltimore, MD USA

[35] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany

[36] Univ Paris 11, CNRS, Ctr Sci, Lab Accelerateur,IN2P3, F-91898 Orsay, France

[37] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[38] Univ Liverpool, Liverpool L69 3BX, Merseyside, England

[39] Univ London, London WC1E 7HU, England

[40] Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England

[41] Univ Louisville, Louisville, KY 40292 USA

[42] Univ Manchester, Manchester M13 9PL, Lancs, England

[43] Univ Maryland, Manchester M13 9PL, Lancs, England

[44] Univ Massachusetts, Amherst, MA 01003 USA

[45] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

[46] McGill Univ, Montreal, PQ H3A 2T8, Canada

[47] Univ Milan, Dipartimento Fis, INFN, I-20133 Milan, Italy

[48] Univ Mississippi, Mississippi State, MS 38677 USA

[49] Mt Holyoke Coll, S Hadley, MA 01075 USA

[50] Univ Naples Federico II, Dipartimento Sci Fisiche, INFN, I-80126 Naples, Italy

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 20期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevLett.99.201802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We perform an amplitude analysis of B-+/-->phi(1020)K-*(892)(+/-) decay with a sample of about 384x10(6) B (B) over bar pairs recorded with the BABAR detector. Overall, twelve parameters are measured, including the fractions of longitudinal f(L) and parity-odd transverse f(perpendicular to) amplitudes, branching fraction, strong phases, and six parameters sensitive to CP violation. We use the dependence on the K pi invariant mass of the interference between the J(P)=1(-) and 0(+) K pi components to resolve the discrete ambiguity in the determination of the strong and weak phases. Our measurements of f(L)=0.49 +/- 0.05 +/- 0.03, f(perpendicular to)=0.21 +/- 0.05 +/- 0.02, and the strong phases point to the presence of a substantial helicity-plus amplitude from a presently unknown source.

引用

页数：7

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