Measurement of B0-(B)over-bar0 flavor oscillations in hadronic B0 decays -: art. no. 221802

被引:25
作者
Aubert, B [1 ]
Boutigny, D
Gaillard, JM
Hicheur, A
Karyotakis, Y
Lees, JP
Robbe, P
Tisserand, V
Palano, A
Pompili, A
Chen, GP
Chen, JC
Qi, ND
Rong, G
Wang, P
Zhu, YS
Eigen, G
Stugu, B
Abrams, GS
Borgland, AW
Breon, AB
Brown, DN
Button-Shafer, J
Cahn, RN
Clark, AR
Gill, MS
Gritsan, AV
Groysman, Y
Jacobsen, RG
Kadel, RW
Kadyk, J
Kerth, LT
Kolomensky, YG
Kral, JF
LeClerc, C
Levi, ME
Lynch, G
Oddone, PJ
Pripstein, M
Roe, NA
Romosan, A
Ronan, MT
Shelkov, VG
Telnov, AV
Wenzel, WA
Harrison, TJ
Hawkes, CM
Knowles, DJ
O'Neale, SW
Penny, RC
机构
[1] Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France
[2] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy
[3] Ist Nazl Fis Nucl, I-70126 Bari, Italy
[4] Inst High Energy Phys, Beijing 100039, Peoples R China
[5] Univ Bergen, Inst Phys, N-5007 Bergen, Norway
[6] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[7] Univ Birmingham, Birmingham B15 2TT, W Midlands, England
[8] Ruhr Univ Bochum, Inst Expt Phys, D-44780 Bochum, Germany
[9] Univ Bristol, Bristol BS8 1TL, Avon, England
[10] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada
[11] Brunel Univ, Uxbridge UB8 3PH, Middx, England
[12] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[13] Univ Calif Irvine, Irvine, CA 92697 USA
[14] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[15] Univ Calif San Diego, La Jolla, CA 92093 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] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany
[23] Ecole Polytech, F-91128 Palaiseau, France
[24] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland
[25] Elon Univ, Elon, NC 27244 USA
[26] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy
[27] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy
[28] Florida A&M Univ, Tallahassee, FL 32307 USA
[29] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[30] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy
[31] Ist Nazl Fis Nucl, I-16146 Genoa, Italy
[32] Harvard Univ, Cambridge, MA 02138 USA
[33] Univ Iowa, Iowa City, IA 52242 USA
[34] Iowa State Univ, Ames, IA 50011 USA
[35] Lab Accelerateur Lineaire, F-91898 Orsay, France
[36] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[37] Univ Liverpool, Liverpool L69 3BX, Merseyside, England
[38] Univ London Imperial Coll Sci Technol & Med, London SW7 2BW, England
[39] Queen Mary Univ London, London E1 4NS, 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, College Pk, MD 20742 USA
[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, I-20133 Milan, Italy
[48] Ist Nazl Fis Nucl, I-20133 Milan, Italy
[49] Univ Mississippi, University, MS 38677 USA
[50] Univ Montreal, Lab Rene JA Levesque, Montreal, PQ H3C 3J7, Canada
关键词
D O I
10.1103/PhysRevLett.88.221802
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Flavor oscillations of neutral B mesons have been studied in e(+)e(-) annihilation data collected with the BABAR detector at center-of-mass energies near the Y(4S) resonance. The data sample used for this purpose consists of events in which one B-0 meson is reconstructed in a hadronic decay mode, while the flavor of the recoiling B-0 is determined with a tagging algorithm that exploits the correlation between the flavor of the heavy quark and the charges of its decay products. From the time development of the observed mixed and unmixed final states, we determine the B-0-<<(B)over bar>(0) oscillation frequency Deltam(d) to be 0.516+/-0.016(stat)+/-0.010(syst) ps(-1) .
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页数:7
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