Study of B-0 -> rho(+)rho(-) decays and constraints on the CKM angle alpha RID A-8798-2012 RID C-5223-2009 RID C-5719-2008 RID D-1055-2009

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doi:10.1103/PhysRevD.76.052007

We present results from an analysis of B-0 ->rho(+)rho(-) decays using (383.6 +/- 4.2)x10(6) B (B) over bar pairs collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. The measurements of the B-0 ->rho(+)rho(-) branching fraction, longitudinal polarization fraction f(L), and the CP-violating parameters S-long and C-long are as follows: B(B-0 ->rho(+)rho(-))=(25.5 +/- 2.1(stat)(-3.9)(+3.6)(syst))x10(-6), f(L)=0.992 +/- 0.024(stat)(-0.013)(+0.026)(syst), S-long=-0.17 +/- 0.20(stat)(-0.06)(+0.05)(syst), C-long=0.01 +/- 0.15(stat)+/- 0.06(syst). We determine the unitarity triangle angle alpha, using an isospin analysis of B ->rho rho decays. One of the two solutions, alpha=[73.1,117.0]degrees at 68% confidence level, is compatible with standard model-based fits of existing data. Constraints on the unitarity triangle are also evaluated using an SU(3) symmetry-based approach.

Titolo:	Study of B-0 -> rho(+)rho(-) decays and constraints on the CKM angle alpha RID A-8798-2012 RID C-5223-2009 RID C-5719-2008 RID D-1055-2009
Autori:	Aubert B Bona M Boutigny D Karyotakis Y Lees JP Poireau V Prudent X Tisserand V Zghiche A Tico JG Grauges E Lopez L Palano A Eigen G Ofte I Stugu B Sun L Abrams GS Battaglia M Brown DN Button Shafer J Cahn RN Groysman Y Jacobsen RG Kadyk JA Kerth LT Kolomensky YG Kukartsev G Pegna DL Lynch G Mir LM Orimoto TJ Pripstein M Roe NA Ronan MT Tackmann K Wenzel WA Sanchez PD Hawkes CM Watson AT Held T Koch H Lewandowski B Pelizaeus M Schroeder T Steinke M Cottingham WN Walker D Asgeirsson DJ Cuhadar Donszelmann T Fulsom BG Hearty C Knecht NS Mattison TS McKenna JA Khan A Saleem M Teodorescu L Blinov VE Bukin AD Druzhinin VP Golubev VB Onuchin AP Serednyakov SI Skovpen YI Solodov EP Todyshev KY Bondioli M Curry S Eschrich I Kirkby D Lankford AJ Lund P Mandelkern M Martin EC Stoker DP Abachi S Buchanan C Foulkes SD Gary JW Liu F Long O Shen BC Zhang L Paar HP Rahatlou S Sharma V Berryhill JW Campagnari C Cunha A Dahmes B Hong TM Kovalskyi D Richman JD Beck TW Eisner AM Flacco CJ Heusch CA Kroseberg J Lockman WS Schalk T Schumm BA Seiden A Williams DC Wilson MG Winstrom LO Chen E Cheng CH Dvoretskii A Fang F Hitlin DG Narsky I Piatenko T Porter FC Mancinelli G Meadows BT Mishra K Sokoloff MD Blanc F Bloom PC Chen S Ford WT Hirschauer JF Kreisel A Nagel M Nauenberg U Olivas A Smith JG Ulmer KA Wagner SR Zhang J Gabareen AM Soffer A Toki WH Wilson RJ Winklmeier F Zeng Q Altenburg DD Feltresi E Hauke A Jasper H Merkel J Petzold A Spaan B Wacker K Brandt T Klose V Lacker HM Mader WF Nogowski R Schubert J Schubert KR Schwierz R Sundermann JE Volk A Bernard D Bonneaud GR Latour E Lombardo V Thiebaux C Verderi M Clark PJ Gradl W Muheim F Playfer S Robertson AI 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 IM Piccolo M Rama M Zallo A Buzzo A Contri R Lo Vetere M Macri MM Monge MR Passaggio S Patrignani C Robutti E Santroni A Tosi S Chaisanguanthum KS Morii M Wu J Dubitzky RS Marks J Schenk S Uwer U Bard DJ Dauncey PD Flack RL Nash JA Nikolich MB Vazquez WP Behera PK Chai X Charles MJ Mallik U Meyer NT Ziegler V Cochran J Crawley HB Dong L Eyges V Meyer WT Prell S Rosenberg EI Rubin AE Gritsan AV Guo ZJ Lae CK Denig AG Fritsch M Schott G Arnaud N Bequilleux J Davier M Grosdidier G Hocker A Lepeltier V Le Diberder F Lutz AM Pruvot S Rodier S Roudeau P Schune MH Serrano J Sordini V Stocchi A Wang WF Wormser G Lange DJ Wright DM Chavez CA Forster IJ Fry JR Gabathuler E Gamet R Hutchcroft DE Payne DJ Schofield KC Touramanis C Bevan AJ George KA Di Lodovico F Menges W Sacco R Cowan G Flaecher HU Hopkins DA Jackson PS McMahon TR Salvatore F Wren AC Brown DN Davis CL Allison J Barlow NR Barlow RJ Chia YM Edgar CL Lafferty GD West TJ Yi JI Anderson J Chen C Jawahery A Roberts DA Simi G Tuggle JM Blaylock G Dallapiccola C Hertzbach SS Li X Moore TB Salvati E Saremi S Cowan R Fisher PH Sciolla G Sekula SJ Spitznagel M Taylor F Yamamoto RK Mclachlin SE Patel PM Robertson SH Lazzaro A Palombo F Bauer JM Cremaldi L Eschenburg V Godang R Kroeger R Sanders DA Summers DJ Zhao HW Brunet S Cote D Simard M Taras P Viaud FB Nicholson H Nardo G Fabozzi F Lista L Monorchio D Sciacca C Baak MA Raven G Snoek HL Jessop CP LoSecco JM Benelli G Corwin LA Gan KK Honscheid K Hufnagel D Kagan H Kass R Morris JP Rahimi AM Regensburger JJ Ter Antonyan R Wong QK Blount NL Brau J Frey R Igonkina O Kolb JA Lu M Rahmat R Sinev NB 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 Chauveau J David P Del Buono L la Vaissiere C Hamon O Hartfiel BL Leruste P Malcles J Ocariz J Perez A Gladney L Biasini M Covarelli R Manoni E Angelini C Batignani G Bettarini S Calderini G Carpinelli M Cenci R Cervelli A Forti F Giorgi MA LUSIANI, Alberto Marchiori G Mazur MA Morganti M Neri N Paoloni E Rizzo G Walsh JJ Haire M Biesiada J Elmer P Lau YP Lu C Olsen J Smith AJS Telnov AV Baracchini E Bellini F Cavoto G D'Orazio A del Re D Di Marco E Faccini R Ferrarotto F Ferroni F Gaspero M Jackson PD Li Gioi L Mazzoni MA Morganti S Piredda G Polci F Renga F Voena C Ebert M Schroder H Waldi R Adye T Castelli G Franek B Olaiya EO Ricciardi S Roethel W Wilson FF Aleksan R Emery S Escalier M Gaidot A Ganzhur SF Giraud PF de Monchenault GH Kozanecki W Legendre M Vasseur G Yeche C Zito M Chen XR Liu H Park W Purohit MV Wilson JR Allen MT Aston D Bartoldus R Bechtle P Berger N Claus R Coleman JP Convery MR Dingfelder JC Dorfan J Dubois Felsmann GP Dujmic D Dunwoodie W Field RC Glanzman T Gowdy SJ Graham MT Grenier P Hast C Hryn'ova T Innes WR Kelsey MH Kim H Kim P Leith DWGS Li S Luitz S Luth V Lynch HL MacFarlane DB Marsiske H Messner R Muller DR O'Grady CP Perazzo A Perl M Pulliam T Ratcliff BN Roodman A Salnikov AA Schindler RH Schwiening J Snyder A Stelzer J Su D Sullivan MK Suzuki K Swain SK Thompson JM Va'vra J van Bakel N Wagner AP Weaver M Wisniewski WJ Wittgen M Wright DH Yarritu AK Yi K Young CC Burchat PR Edwards AJ Majewski SA Petersen BA Wilden L Ahmed S Alam MS Bula R Ernst JA Jain V Pan B Saeed MA Wappler FR Zain SB Bugg W Krishnamurthy M Spanier SM Eckmann R Ritchie JL Ruland AM Schilling CJ Schwitters RF Izen JM Lou XC 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 DA Oyanguren A Albert J Banerjee S Bhuyan B Hamano K Kowalewski R Nugent IM Roney JM Sobie RJ Back JJ Harrison PF Latham TE Mohanty GB Pappagallo M Band HR Chen X Dasu S Flood KT Hollar JJ Kutter PE Pan Y Pierini M Prepost R Wu SL Yu Z Neal H. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2007
Rivista:	PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Digital Object Identifier (DOI):	http://dx.doi.org/10.1103/PhysRevD.76.052007
Handle:	http://hdl.handle.net/11384/5268
Appare nelle tipologie:	1.1 Articolo in rivista

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