Evidence For The Decay B-0 -> Omega Omega And Search For B-0 -> Omega Phi J P Lees , M Wittgen , S Playfer , G R Bonneaud , R Schwierz , P D Dauncey , C A West , G Eigen , F Le Diberder , W S Lockman , D Su , E Guido , C P Jessop , G Marchiori , D Strom , E Prencipe , M T Graham , M Simard , M Margoni , R Andreassen , F Ferrarotto , V P Druzhinin , G Calderini , M Bomben , C Patrignani , G Simi , W R Innes , D Monorchio , I Garzia , R M White , S Zambito , B Spaan , A Randleconde , D B Macfarlane , J P Coleman , M Verderi , M Morandin , S J Sekula , P C Bloom , M Martinelli , M Chrzaszcz , L T Kerth , P Ongmongkolkul , K Honscheid , V E Blinov , G Vasseur , P F Harrison , A V Gritsan , T Pulliam , A Adametz , J M Roney , R Cheaib , A Stocchi , A M Eisner , K R Schubert , R Kass , R Godang , J Cochran , E Robutti , J Ocariz , R Faccini , B G Fulsom , B Dey , T E Latham , R Kowalewski , B Echenard , M Gaspero , A M Rossi , W T Meyer , V Prasad , S Akar , G De Nardo , M J Lewczuk , M Rama , F Di Lodovico , H R Band , A Zallo , C Bunger , Holger M Koch , Yu G Kolomensky , A Hafner , R Waldi , D G Hitlin , M D Sokoloff , S M Spanier , A J Lankford , J A Mckenna , P M Patel , T Hartmann , R Contri , A Filippi , Yu I Skovpen , W Gradl , S Luitz , A Lusiani , H H F Choi , J L Ritchie , F Ferroni , A Palano , A N Yushkov , N Guttman , G Grosdidier , R Gorodeisky , V Ziegler , R De Sangro , D J Bard , J R Fry , V Poireau , R Cowan , T S Mattison , F Bianchi , C Bozzi , H W Wulsin , M Piccolo , U Nauenberg , M L Kocian , J G Smith , Ph Leruste , D H Wright , P Patteri , Mark A Bellis , A Perez , A Wagner , X C Lou , F U Bernlochner , N Arnaud , K Griessinger , E A Kravchenko , W H Toki , G P Duboisfelsmann , B Hamilton , M Carpinelli , T Gershon , G J King , M Franco Sevilla , S Sitt , R J Barlow , F Martinezvidal , M Posocco , A Jawahery , D Gamba , M Lo Vetere , G D Lafferty , G Sciolla , D J Lange , R F Schwitters , S Pacetti , B G Pushpawela , P Villanuevaperez , J Walsh , N Neri , J Brau , D A Roberts , M Perl , P Lewis , R Sacco , T Lueck , B Malaescu , R C Field , S Bettarini , T M Hong , F Anulli , C Vos , E Luppi , S I Serednyakov , K T Flood , B A Schumm , D J Summers , D W G S Leith , P Roudeau , A G Denig , B Stugu , M R Monge , H M Lacker , B N Ratcliff , C Chen , J M Izen , C Cartaro , G Wormser , S Emery , A Cervelli , G Lynch , G Finocchiaro , A J S Smith , B C Wray , J F Benitez , T Adye , P Taras , A Gaz , S Dasu , R Frey , H Ahmed , C Campagnari , S Dittrich , G Rizzo , R Ayad , Sau Lan Wu , Z Huard , T Schroeder , R Cenci , A Seiden , S Martellotti , K Yu Todyshev , T S Miyashita , A M Lutz , C Angelini , E M T Puccio , A P Onuchin , Denis Bernard , U Uwer , L Piemontese , M V Purohit , D Aston , G Cowan , D Lopes Pegna , D Bettoni , S Nelson , E Gabathuler , G Batignani , Sw Banerjee , W Panduro Vazquez , G Casarosa , A M Ruland , M Fritsch , J Ernst , R Prepost , E Manoni , N Tasneem , M A Giorgi , C Touramanis , P Kim , M K Sullivan , B T Meadows , M R Convery , H A Neal , B Lindquist , S Prell , S Passaggio , N B Sinev , A M Gabareen , J Dorfan , A J Bevan , E Torrence , D J Payne , G Cibinetto , S H Robertson , F Simonetto , D Kovalskyi , P Sonnek , R H Schindler , E Paoloni , E Feltresi , R Sobie , M J Lee , J Va Vra , M Ebert , M Rotondo , W Dunwoodie , G Piredda , D Dujmic , C Hast , G Raven , D N Brown , L Lanceri , E Grauges , T Leddig , H Briand , O Long , A Snyder , R Calabrese , Y Pan , D Derkach , W J Wisniewski , I M Nugent , D S Chao , V Luth , G Onorato , S R Wagner , M S Alam , E Fioravanti , D E Hutchcroft , I M Peruzzi , H L Lynch , L Cremaldi , E P Solodov , E O Olaiya , J Olsen , R Stroili , C Hearty , J Bougher , J W Gary , V B Golubev , L Vitale , O Grunberg , A Roodman , U Mallik , B Oberhof , C Sciacca , M Mandelkern , F Palombo , M Biasini , B Bhuyan , F F Wilson , C H Cheng , D Lindemann , A R Buzykaev , D R Muller , C L Davis , F Forti , A Soffer , Akram Khan , L Sun , V Tisserand , A Calcaterra , J Chauveau , P R Burchat , M Morii , W F Wang , E Benhaim , V Santoro , P Biassoni , M Davier , J D Richman , A Oyanguren , A A Salnikov , W T Ford , J M Losecco , R Y So , L Li Gioi , F De Mori , D R Peimer , J R Wilson , J Albert , F C Porter PHYSICAL REVIEW D(2014)
摘要
We describe searches for B meson decays to the charmless vector-vector final states omega omega and omega phi with 471 x 10(6) B (B) over bar pairs produced in e(+)e(-) annihilation at root s = 10.58 GeV using the BABAR detector at the PEP-II collider at the SLAC National Accelerator Laboratory. We measure the branching fraction B(B-0 -> omega omega) = (1.2 +/- 0.3(-0.2)(+0.3)) x 10(-6), where the first uncertainty is statistical and the second is systematic, corresponding to a significance of 4.4 standard deviations. We also determine the upper limit B(B-0 -> omega phi) < 0.7 x 10(-6) at 90% confidence level. These measurements provide the first evidence for the decay B-0 -> omega omega, and an improvement of the upper limit for the decay B-0 -> omega phi.
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