Measurement of time-dependent CP-violating asymmetries and constraints on sin (2β+γ) with partial reconstruction of B→D* π± decays
Bernard A. Aubert,R. Barate, D. Boutigny, F. Couderc,Yannis Karyotakis,Jean Pierre Lees,Vincent Poireau,Vincent Tisserand,Amina Zghiche,Eugeni S. Graugés,Antimo Palano,Marco Pappagallo, A. Pompili,J. C. Chen,NaDing Qi,Gang Rong,Pinǵ Wang,YongSheng Zhu,Gerald Eigen,I. Ofte,Bjarne Stugu,Gerald S. Abrams,Marco Battaglia,AW W. Borgland,A. B. Breon,David N. Brown,Janice Button-Shafer,Robert N. Cahn, E. Charles,Christopher Day,A. V. Gritsan,Andrei V. Gritsan,R. G. Jacobsen,Robert G. Jacobsen,R. W. Kadel,John A. Kadyk,Leroy T. Kerth,Yu G. Kolomensky, G. A. Kukartsev,Gerald R. Lynch,P. J. Oddone,Piermaria J. Oddone,Toyoko J. Orimoto,Morris Pripstein,Natalie Roé,Michael T. Ronan,William A. Wenzel,Matthew Barrett,A. V. Telnov,Timothy J E Harrison,A. J. Hart,Chris M. Hawkes,S. E. Morgan, D. J. Knowles,Miriam Fritsch, R. C. Penny,A. T. Watson,Helmut J. Koch,Bernd Lewandowski,M. Pelizaeus,Klaus J. Peters,Theodore Vazquez Schroeder,Michael Steinke,Jamie T. Boyd, H. Schmuecker,Nicole I. Chevalier,W. N. Cottingham,Marc P. Kelly,Tülay Çuhadar-Dönszelmann,Christopher Hearty,Neil S. Knecht,Thomas S. Mattison,Janis A. McKenna,Akram Khan,T. Cuhadar-Donszelmann,Liliana Teodorescu,T. S. Mattison,Vladimir E. Blinov,A. D. Bukin,Vladimir P. Druzhinin,Vladimir B. Golubev,Vladimir N. Ivanchenko,E. A. Kravchenko,A. P. Onuchin,Sergey I. Serednyakov,V. N. Ivanchenko,E. A. Kravchenko,A. N. Yushkov,S. I. Serednyakov,Mario Bondioli,E. P. Solodov,A. N. Yushkov,Ivo Gough Eschrich,David Kirkby,Andrew James Lankford,Mark A. Mandelkern,Remigius K. Mommsen,R. K. Mommsen,David P. Stoker,Charles D. Buchanan,B. L. Hartfiel,Alan J R Weinstein,Stephen D. Foulkes,J. William Gary,B. C. Shen,Benjamin C. Shen,H. K. Hadavand,Liming Zhang,D. B. MacFarlane,Haleh K. Hadavand,E. J. Hill,D. B. MacFarlane,C. Campagnari,Sh Rahatlou,Vivek Sharma,J. W. Berryhill,Claudio Campagnari,J. D. Richman,Bryan Dahmes,T. W. Beck, J. Beringer,Michael A. Mazur,Jeffrey D. Richman,Wouter Verkerke,T. W. Beck,A. M. Eisner,Christian J. Flacco,Clemens A. Heusch,Jürgen Kroseberg,William S. Lockman,Gavin Nesom,G. P. Dubois-Felsmann,Bruce A. Schumm,Abraham Seiden,Patrick Spradlin,David C. Williams,Michael G. Wilson,Justin B. Albert,Edward Y. Chen,Gregory P. Dubois-Felsmann,A. Dvoretskii,David G. Hitlin,Ilya V. Narsky,Timofei Piatenko,Frank C. Porter,Anders Ryd,A. Samuel,R. Andreassen,S. Jayatilleke,Giampiero Mancinelli,Brian T. Meadows,Michael D. Sokoloff,F. L E Blanc,P. C. Bloom,S. J. Chen,William T. Ford,Uriel Nauenberg,A. Olivas,Patricia Rankin,W. O. Ruddick,Jay G. Smith,Kyle A. Ulmer,Stefan R. Wagner,Jian Zhang,Augustine E. Chen,E. A. Eckhart,John L. Harton,Abner Soffer,Walter Toki,Richard J. Wilson,Q. L. Zeng,Bernhard Spaan,Dieter D. Altenburg,T. J. Brandt,Jens Brose,M. Dickopp,E. Feltresi,A. Hauke,Verena Klose,Heiko M. Lacker,E. Maly,R. Nogowski,S. Otto,Andreas Petzold,Grégory Schott,Jens Schubert,Klaus R. Schubert,Rainer Schwierz, J. E. Sundermann,Denis Bernard,G. R. Bonne̊aud,Philippe A. Grenier,S. Schrenk,Ch. Thiebaux,Georges Vasileiadis,Marc Verderi,D. J. Bard,P. J. Clark,W. Gradl,Franz Muheim,Steve M. Playfer,Yangchun Xie,M. Andreotti, V. Azzolini,Diego Bettoni,Concezio Bozzi,Roberto Calabrese,Gianluigi Cibinetto,Eleonora Luppi,Matteo Negrini,L. Piemontese,Fabio Anulli,Rinaldo B F Baldini-Ferroli,A. C. Calcaterra,Riccardo De Sangro,Guido Finocchiaro,Piero Patterí,I. M. Peruzzi,Marcello Piccolo,Adriano Z. Zallo,Amedeo Buzzo,R. Capra,R. Contri,M. Lo Vetere,Mario M. Macrí,M. R. Monge,Stefano P. Passaggio,Claudia Patrignani,Enrico Robutti,Alberto Santroni,Silvano Tosi,Stephen J. Bailey,George W. Brandenburg,K. S. Chaisanguanthum,Masahiro Morii,Eunil Won,R. S. Dubitzky,Urs Langenegger,Jörg Marks,Stefan Schenk,Ulrich Uwer,Wahid Bhimji,D. A. Bowerman,Paul Dominic Dauncey,Ulrik Egede,Robert L. Flack,J. R. Gaillard,G. W. Morton,Jordan A. Nash,M. B. Nikolich,Graham P. Taylor,M. J. Charles,Gérald J. Grenier,Uma Prasad Mallik,Ajit K. Mohapatra,James Cochran,H. Bert Crawley,V. Eyges,Werner T. 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Ye,Fabrizio P. Bianchi,Marcella Bona,F. Gallo,D. Gamba,Marco Bomben,Luciano Bosisio,Concetta Cartaro,Fabio Cossutti,Giuseppe Della Della Ricca,Selenia Dittongo,Sergio Grancagnolo,Libio Lanceri,Paolo Poropat,Lorenzo Vitale,G. Vuagnin,Fernando Martínez-Vidal,Robert S. Panvini,Sw W. Banerjee,Bipul Bhuyan,Christine M. Brown,D. Fortin,K. Hamano,Robert V. Kowalewski,J. Michael Roney,Randall J. Sobie,John Back,Paul F. Harrison,Thomas E. Latham,Gagan B. Mohanty,Henry R. Band,Xin Chen.,BaoSen Cheng,Sridhara Dasu,Mousumi Datta,A. M. Eichenbaum,Kevin T. Flood,Matthew T. Graham,Jonathan J. Hollar,Jeffrey R. Johnson,Paul E. Kutter,Holing Li,Rongguang Liu,Bruce Mellado,Attila Mihalyi,Yi Pan,Richard Prepost,Ping Tan,J. H. Von Wimmersperg-Toeller,Joz Wu,Saulan Wu,Zhongqiang Yu,M. G. Greene,Homer A. Neal
PHYSICAL REVIEW D（2005）
引用 49|浏览192
摘要
We present a measurement of the time-dependent CP-violating asymmetries in decays of neutral B mesons to the final states D(*-/+)pi(+/-), using approximately 232x10(6) B (B) over bar events recorded by the BABAR experiment at the PEP-II e(+)e(-) storage ring. Events containing these decays are selected with a partial reconstruction technique, in which only the high-momentum pi(+/-) from the B decay and the low-momentum pi(-/+) from the D*-/+ decay are used. We measure the parameters related to 2 beta+gamma to be a(D*pi)=-0.034 +/- 0.014 +/- 0.009 and c(D*pi)(l)=-0.019 +/- 0.022 +/- 0.013. With some theoretical assumptions, we interpret our results in terms of the lower limits vertical bar sin(2 beta+gamma)vertical bar > 0.62(0.35) at 68% (90%) confidence level.
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medicine,biology,apply,mathematics,it,physics
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