Measurement of Lifetime and Decay-Width Difference inBs0→J/ψϕDecays

T Aaltonen,C Grosso-Pilcher,S Amerio,A Heijboer,S Tourneur,J Miles,S Zucchelli,J Deng,O Norniella,E Thomson,M Rossi,R Mcnulty,L Santi,D Glenzinski,G Choudalakis,U K Yang,A Gresele,F Rimondi,O Poukhov,G Flanagan,P Wilson,K L Byrum,T Okusawa,C Vellidis,H Gerberich,H H Williams,S Uozumi,J Mülmenstädt,L Sexton-Kennedy,J Beringer,K Tollefson,M Milnik,C Ferrazza,C Mesropian,N Giokaris,P Roy,G Lungu,A T Laasanen,A Aurisano,D Torretta,L Nodulman,G B Yu,N Ranjan,A Scribano,A J Slaughter,G Punzi,S Kwang,J Spalding,W Ashmanskas,D Cauz,J Lueck,S Pashapour,M Loreti,P Mack,H Miyake,G Compostella,S Carron,A Varganov,J Conway,M Gold,H C Fang,D Tonelli,J Proudfoot,M Giunta,S Cabrera,F Canelli,K Nakamura,B Jayatilaka,R Vidal,F D Snider,M Shimojima,I Bizjak,J Yamaoka,M Binkley,M Lancaster,K Makhoul,A Boveia,F Azfar,G Pauletta,B Reisert,M J Kim,F Ptohos,V Ramakrishnan,V Tiwari,J Naganoma,L Brigliadori,M E Mattson,J Yoh,G Velev,S Pagan Griso,R Madrak,C Dionisi,S Donati,A T Goshaw,X Portell,S Behari,S Somalwar,F Happacher,N P Kulkarni,M Tecchio,G P Yeh,R Lefèvre,N Van Remortel,D Sherman,C Haber,T Wakisaka,U Kerzel,R E Hughes,P Giromini,Y Takeuchi,S Budd,K Sliwa,D Errede,A Mitra,R Forrest,D Lucchesi,A Ruiz,S Klimenko,G Manca,A Sedov,M Jones,W C Wester,W T Fedorko,P K Teng,M Iori,S Rolli,A B Wicklund,E Brubaker,E James,J L Gimmell,G Introzzi,M Datta,N Miladinovic,P Murat,M Soderberg,Y Kato,M Lindgren,A Golossanov,T Vine,S H Oh,D Toback,G Williams,J Lys,D Macqueen,M Campbell,A Napier,F Spinella,P Azzi-Bacchetta,S Malde,I Shreyber,R Mumford,F Prakoshyn,M Vidal,I Zaw,Y S Chung,S Torre,S R Hahn,A Nagano,N Pounder,Y Seiya,A Semenov,M Cordelli,J C Cully,C S Moon,S M Wynne,C Plager,G Piacentino,S Carrillo,P Squillacioti,P Movilla Fernandez,B T Huffman,I Lazzizzera,E Wicklund,V Bartsch,C Cuenca Almenar,V Rusu,E E Schmidt,L Sartori,H Saarikko,A Pronko,B A Barnett,H S Budd,M Weinberger,K Gibson,J Budagov,K S Mcfarland,T J Phillips,R Orava,T R Junk,R Roser,L Pondrom,P Lukens,E Palencia,W Badgett,R St Denis,T Tomura,B Iyutin,A Attal,V Papadimitriou,S Lami,C Neu,C Bromberg,G Bauer,S Menzemer,A Bodek,L Zanello,G Volpi,N S Lockyer,P F Shepard,T Suzuki,L Pinera,T Spreitzer,N Goldschmidt,J Piedra,D J Kong,P E Karchin,T Akimoto,A Bolshov,R Kephart,S E Kuhlmann,A Deisher,M Franklin,V Khotilovich,P Catastini,J Efron,A S Thompson,H Sun,A Canepa,P Sinervo,P F Derwent,B Parks,G De Lorenzo,P De Barbaro,M Feindt,T Kuhr,R G Feild,F Garberson,K K Joo,R Handler,M Hare,K Copic,C I Ciobanu,D Dagenhart,G Chlachidze,S Y Jun,J Boudreau,V Boisvert,W H Chung,A Mukherjee,E Vataga,A Anastassov,M Hartz,D Waters,A Loginov,J Pursley,G P Di Giovanni,B Knuteson,K Goulianos,I Oksuzian,O González,R E Blair,P Schlabach,B Álvarez González,L Lovas,J Huston,Y Kusakabe,Y D Oh,S Errede,G Cortiana,J C Yun,G Salamanna,D O Litvintsev,M Rescigno,J D Lewis,A Abulencia,S Wolbers,A Papaikonomou,D De Pedis,F Vázquez,O Saltó,B Di Ruzza,T Miao,L Demortier,P Mcintyre,T Maruyama,G De Lentdecker,Y Shon,P Mazzanti,J Patrick,D Amidei,B Whitehouse,A Rahaman,C M Ginsburg,J Galyardt,R Vilar,A Menzione,T Scheidle,M Mussini,R L Wagner,S Forrester,T Wright,J Slaunwhite,T Yamashita,C P Marino,D Stentz,S H Kim,S De Cecco,M P Schmidt,N Moggi,B R Ko,W K Sakumoto,S Tkaczyk,E J Jeon,K Kondo,S Baroiant,Z Gunay-Unalan,C Wolfe,S H Chuang,R Culbertson,A Artikov,A Bhatti,D Chokheli,V Necula,G Busetto,C Pagliarone,M Heck,N Turini,J H Rademacker ,B Casal,M Casarsa,D Hidas,A Scott ,M P Giordani ,A Höcker ,A Savoy-Navarro,J K Kraus ,V Glagolev,A Messina,B Blumenfeld,F Bedeschi,Th Müller ,K Sato,J Heuser,P Wagner,T Berry,U Grundler,R Tanaka,J Antos̆ ,Thomas Schwarz ,N Leonardo,R Oldeman,A Martin,S Harper,M Deninno,T Dorigo,D Kar,B Stelzer,M A Schmidt,A Lath,V Sorı́n ,J Adelman,M Paulini,A Taffard,I Vila,S Levy,A Paramonov ,J Königsberg ,W Trischuk,R Eusebi,D Jeans,A Cerri,E Halkiadakis,A Castro,S Leone,T Lecompte,M E Convery,A Belloni,S W Lee,A Robson,I Gorelov,T Mäki ,F Margaroli,L Scodellaro,V E Barnes,G A Thompson,K Österberg ,P Maksimović ,C S Hill,Y C Chen,T Masubuchi,E Lytken,F Ukegawa,A Apresyan,M Klute,A Clark,D Clark,S S Yu,C Paus,J E Kim,J S Suh,N Kimura,A Buzatu,M Vogel,S B Kim,M J Morello ,E Rogers,J Guimarães Da Costa ,J Strologas,R M Harris,L Lyons,A Warburton,S Grinstein,J Russ,D W Gerdes ,P Wittich,R Carosi,R C Field ,J Nachtman,W-M Yao ,N Krumnack,T Rodrigo,T Davies,I Yu,Michael L Norman ,D Benjamin,C Marino,S Dubé ,P Savard,F Scuri,W Wagner,M Martı́nez ,J Incandela,Y K Kim,R Lysák ,G Mitselmakher,V Reković ,R Takashima,D Bortoletto,A Soha,B D Cooper ,M Chertok,G Bellettini,M Martin,Michael Henry Schmitt ,K Burkett,M Albrow ,M Kruse,J Hauser,P Dong,X Zhang,A N Sisakyan ,K Cho,D Hirschbuehl,V Krutelyov,U Husemann,A Korytov,R W Moore ,A Barbaro‐Galtieri ,S A Koay,R Miller,D Pellett ,А Суханов ,S Lammel,B Kilminster,T Shears,P Bussey,Jerome Jung ,N Bacchetta,R Snihur,R G Wagner,P Renton,R Lander ,D Bisello,J Cuevas,F Chlebana,T Kamon,J P Chou,F Crescioli,V J Martin ,S M Farrington ,F Würthwein,K Chung,Y C Yang,C Yang,D Hare,S Richter,E Lipeles,M Shochet,I Redondo,A Penzo,S C Seidel ,A F Garfinkel,M Herndon,T Arisawa,A Yagil,C Lin,I Nakano,P Tipton,G Latino,B Y Han ,K A Hahn ,S Moêd ,M Gallinaro,M Cavalli‐Sforza ,S Lai,I Volobouev,P H Beauchemin ,P Giannetti,D Whiteson,C Mills,S Hou,R Mart́ínez-Ballaŕın ,H S Kim,J Freeman ,K Hatakeyama,D Carlsmith,A Bocci,M Shapiro ,S Jindariani,J Donini,K Maeshima,K Terashi,D H Kim,P Merkel,S.-C Hsu,K Hara,R Rossin,R.-S Lu,K Yamamoto,S Sarkar,A Sidoti,I K Furic ,X Wu,P Azzurri,J P Fernández ,C Henderson,A Annovi,C Blocker,И Суслов ,S Vallecorsa,R Harr ,T Liu,A Safonov,M Campanelli,B L Winer,V Veszprémi ,Spencer Chang ,J Dittmann ,L Kirsch,J Lee,P Lujan,J E Garcia,A Mehta,B Brau,G Apollinari,E Nurse,J Kroll,Peter Bednár ,J Smith ,S Shalhout ,A Kotwal ,A Manousakis,M M Stanitzki ,C Luci,R Wallny,M Houlden,A Ivanov,D Stuart,L Cerrito,M Kreps,K Pitts,J Bellinger,Y Tu,A Lister,J Nielsen,J Wagner,Y Nagai,S M Wang,P Mehtälä ,W Johnson,O Stelzer-Chilton,A Hamilton,M Goncharov,M A Ciocci,B Heinemann,K Lannon,P Mastrandrea,G Bolla,Y Zheng,A Beretvas,S Tokár ,G Gómez ,M S Neubauer,T Kubo,G Chiarelli,L Ristori,T Yoshida,R Erbacher,S Malik,A Zanetti,S Hewamanage,K Yorita,J Han ,S Giagu,A Sfyrla,J Thom,M D’Onofrio,G Gómez-Ceballos ,J Heinrich,Y J Lee,M Dell’Orso,C P Hays

doi:10.1103/physrevlett.100.121803

Abstract

We measure the mean lifetime, tau=2/(Gamma_L+Gamma_H), and the width difference, DeltaGamma=Gamma_L-Gamma_H, of the light and heavy mass eigenstates of the B0s meson, B0sL and B0sH, in B0s -> J/psi phi decays using 1.7 fb^-1 of data collected with the CDF II detector at the Fermilab Tevatron ppbar collider. Assuming CP conservation, a good approximation for the B0s system in the Standard Model, we obtain DeltaGamma = 0.076^+0.059_-0.063 (stat.) +- 0.006 (syst.) ps^-1 and tau = 1.52 +- 0.04 (stat.) +- 0.02 (syst.) ps, the most precise measurements to date. Our constraints on the weak phase and DeltaGamma are consistent with CP conservation. Dedicated to the memory of our dear friend and colleague, Michael P. Schmidt

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