在D0→K-K+和D0→π-π+衰变中寻找CP破坏。
Search for CP violation in the decays D0 --> K- K+ and D0 --> pi- pi+.
作者信息
Aubert B, Bona M, Boutigny D, Karyotakis Y, Lees J P, Poireau V, Prudent X, Tisserand V, Zghiche A, Garra Tico J, Grauges E, Lopez L, Palano A, Pappagallo M, 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, Lopes Pegna D, Lynch G, Mir L M, Orimoto T J, Osipenkov I L, Ronan M T, Tackmann K, Tanabe T, Wenzel W A, Del Amo Sanchez P, Hawkes C M, Watson A T, Koch H, Schroeder T, Walker D, Asgeirsson D J, Cuhadar-Donszelmann T, Fulsom B G, Hearty C, Mattison T S, McKenna J A, Barrett M, Khan A, Saleem M, Teodorescu L, Blinov V E, Bukin A D, Druzhinin V P, Golubev V B, Onuchin A P, Serednyakov S I, Skovpen Yu I, Solodov E P, Todyshev K Yu, Bondioli M, Curry S, Eschrich I, Kirkby D, Lankford A J, Lund P, Mandelkern M, Martin E C, Stoker D P, Abachi S, Buchanan C, Foulkes S D, Gary J W, Liu F, Long O, Shen B C, Vitug G M, Zhang L, Paar H P, Rahatlou S, Sharma V, Berryhill J W, Campagnari C, Cunha A, Dahmes B, Hong T M, Kovalskyi D, Richman J D, Beck T W, Eisner A M, Flacco C J, Heusch C A, Kroseberg J, Lockman W S, Schalk T, Schumm B A, Seiden A, Wilson M G, Winstrom L O, Chen E, Cheng C H, Fang F, Hitlin D G, Narsky I, Piatenko T, Porter F C, Andreassen R, Mancinelli G, Meadows B T, Mishra K, Sokoloff M D, Blanc F, Bloom P C, Chen S, Ford W T, Hirschauer J F, Kreisel A, Nagel M, Nauenberg U, Olivas A, Smith J G, Ulmer K A, Wagner S R, Zhang J, Gabareen A M, Soffer A, Toki W H, Wilson R J, Winklmeier F, Altenburg D D, Feltresi E, Hauke A, Jasper H, Merkel J, Petzold A, Spaan B, Wacker K, Klose V, Kobel M J, Lacker H M, Mader W F, Nogowski R, Schubert J, Schubert K R, Schwierz R, Sundermann J E, Volk A, Bernard D, Bonneaud G R, Latour E, Lombardo V, Thiebaux Ch, Verderi M, Clark P J, Gradl W, Muheim F, Playfer S, Robertson A I, Watson J E, Xie Y, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cecchi A, Cibinetto G, Franchini P, Luppi E, Negrini M, Petrella A, Piemontese L, Prencipe E, Santoro V, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Pacetti S, Patteri P, Peruzzi I M, Piccolo M, Rama M, Zallo A, Buzzo A, Contri R, Lo Vetere M, Macri M M, Monge M R, Passaggio S, Patrignani C, Robutti E, Santroni A, Tosi S, Chaisanguanthum K S, Morii M, Wu J, Dubitzky R S, Marks J, Schenk S, Uwer U, Bard D J, Dauncey P D, Flack R L, Nash J A, Panduro Vazquez W, Tibbetts M, Behera P K, Chai X, Charles M J, Mallik U, Cochran J, Crawley H B, Dong L, Eyges V, Meyer W T, Prell S, Rosenberg E I, Rubin A E, Gao Y Y, Gritsan A V, Guo Z J, Lae C K, Denig A G, Fritsch M, Schott G, Arnaud N, Béquilleux J, D'Orazio A, Davier M, Grosdidier G, Höcker A, Lepeltier V, Le Diberder F, Lutz A M, Pruvot S, Rodier S, Roudeau P, Schune M H, Serrano J, Sordini V, Stocchi A, Wang W F, Wormser G, Lange D J, Wright D M, Bingham I, Burke J P, Chavez C A, Fry J R, Gabathuler E, Gamet R, Hutchcroft D E, Payne D J, Schofield K C, Touramanis C, Bevan A J, George K A, Di Lodovico F, Sacco R, Cowan G, Flaecher H U, Hopkins D A, Paramesvaran S, Salvatore F, Wren A C, Brown D N, Davis C L, Allison J, Bailey D, Barlow N R, Barlow R J, Chia Y M, Edgar C L, Lafferty G D, West T J, Yi J I, Anderson J, Chen C, Jawahery A, Roberts D A, Simi G, Tuggle J M, Blaylock G, Dallapiccola C, Hertzbach S S, Li X, Moore T B, Salvati E, Saremi S, Cowan R, Dujmic D, Fisher P H, Koeneke K, Sciolla G, Spitznagel M, Taylor F, Yamamoto R K, Zhao M, Zheng Y, McLachlin S E, Patel P M, Robertson S H, Lazzaro A, Palombo F, Bauer J M, Cremaldi L, Eschenburg V, Godang R, Kroeger R, Sanders D A, Summers D J, Zhao H W, Brunet S, Côté D, Simard M, Taras P, Viaud F B, Nicholson H, De Nardo G, Fabozzi F, Lista L, Monorchio D, Sciacca C, Baak M A, Raven G, Snoek H L, Jessop C P, Knoepfel K J, Losecco J M, Benelli G, Corwin L A, Honscheid K, Kagan H, Kass R, Morris J P, Rahimi A M, Regensburger J J, Sekula S J, Wong Q K, Blount N L, Brau J, Frey R, Igonkina O, Kolb J A, Lu M, Rahmat R, Sinev N B, Strom D, Strube J, Torrence E, Gagliardi N, Gaz A, Margoni M, Morandin M, Pompili A, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Ben-Haim E, Briand H, Calderini G, Chauveau J, David P, Del Buono L, de la Vaissière Ch, Hamon O, Leruste Ph, Malclès J, Ocariz J, Perez A, Prendki J, Gladney L, Biasini M, Covarelli R, Manoni E, Angelini C, Batignani G, Bettarini S, Carpinelli M, Cenci R, Cervelli A, Forti F, Giorgi M A, Lusiani A, Marchiori G, Mazur M A, Morganti M, Neri N, Paoloni E, Rizzo G, Walsh J J, Biesiada J, Elmer P, Lau Y P, Lu C, Olsen J, Smith A J S, Telnov A V, Baracchini E, Bellini F, Cavoto G, Del Re D, Di Marco E, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Jackson P D, Li Gioi L, Mazzoni M A, Morganti S, Piredda G, Polci F, Renga F, Voena C, Ebert M, Hartmann T, Schröder H, Waldi R, Adye T, Castelli G, Franek B, Olaiya E O, Roethel W, Wilson F F, Emery S, Escalier M, Gaidot A, Ganzhur S F, Hamel de Monchenault G, Kozanecki W, Vasseur G, Yèche Ch, Zito M, Chen X R, Liu H, Park W, Purohit M V, White R M, Wilson J R, Allen M T, Aston D, Bartoldus R, Bechtle P, Claus R, Coleman J P, Convery M R, Dingfelder J C, Dorfan J, Dubois-Felsmann G P, Dunwoodie W, Field R C, Glanzman T, Gowdy S J, Graham M T, Grenier P, Hast C, Innes W R, Kaminski J, Kelsey M H, Kim H, Kim P, Kocian M L, Leith D W G S, Li S, Luitz S, Luth V, Lynch H L, Macfarlane D B, Marsiske H, Messner R, Muller D R, O'Grady C P, Ofte I, Perazzo A, Perl M, Pulliam T, Ratcliff B N, Roodman A, Salnikov A A, Schindler R H, Schwiening J, Snyder A, Su D, Sullivan M K, Suzuki K, Swain S K, Thompson J M, Va'vra J, Wagner A P, Weaver M, Wisniewski W J, Wittgen M, Wright D H, Yarritu A K, Yi K, Young C C, Ziegler V, Burchat P R, Edwards A J, Majewski S A, Miyashita T S, Petersen B A, Wilden L, Ahmed S, Alam M S, Bula R, Ernst J A, Jain V, Pan B, Saeed M A, Wappler F R, Zain S B, Krishnamurthy M, Spanier S M, Eckmann R, Ritchie J L, Ruland A M, Schilling C J, Schwitters R F, Izen J M, Lou X C, Ye S, Bianchi F, Gallo F, Gamba D, Pelliccioni M, Bomben M, Bosisio L, Cartaro C, Cossutti F, Della Ricca G, Lanceri L, Vitale L, Azzolini V, Lopez-March N, Martinez-Vidal F, Milanes D A, Oyanguren A, Albert J, Banerjee Sw, Bhuyan B, Hamano K, Kowalewski R, Nugent I M, Roney J M, Sobie R J, Harrison P F, Ilic J, Latham T E, Mohanty G B, Band H R, Chen X, Dasu S, Flood K T, Hollar J J, Kutter P E, Pan Y, Pierini M, Prepost R, Wu S L, Neal H
机构信息
Laboratoire de Physique des Particules, IN2P3/CNRS et Université de Savoie, F-74941 Annecy-Le-Vieux, France.
出版信息
Phys Rev Lett. 2008 Feb 15;100(6):061803. doi: 10.1103/PhysRevLett.100.061803.
We measure time-integrated CP-violating asymmetries of neutral charmed mesons in the modes D0 --> K(-) K(+) and D0 --> pi(-) pi(+) with the highest precision to date by using D0 --> K(-) pi(+) decays to correct detector asymmetries. An analysis of 385.8 fb(-1) of data collected with the BABAR detector yields values of a(CP)(KK)=(0.00+/-0.34(stat)+/-0.13(syst))% and a(CP)(pipi)=(-0.24+/-0.52(stat)+/-0.22(syst))%, which agree with standard model predictions.
我们通过使用D0→K−π+衰变来校正探测器不对称性，以目前最高的精度测量了中性粲介子在D0→K−K+和D0→π−π+模式下的时间积分CP破坏不对称性。对用BABAR探测器收集的385.8 fb−1数据进行的分析得出a(CP)(KK)=(0.00±0.34(统计)±0.13(系统))%和a(CP)(ππ)=(-0.24±0.52(统计)±0.22(系统))%的值，这些值与标准模型预测相符。
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