Measurement of the mass and width of the D s 1 ( 2536 ) + meson Sw Banerjee , J Kolb , R Frey , J Brau , N L Blount , R Kass , K Honscheid , L A Corwin , W F Wang , J M Losecco , O Hamon , Ph Leruste , G Marchiori , J Ocariz , S H Robertson , A Roodman , A A Salnikov , V Santoro , J Garra Tico , E Grauges , M Martinelli , D A Milanes , H Jasper , R H Schindler , J Schwiening , A Snyder , D Su , M K Sullivan , S Sun , W H Toki , K J Knoepfel , C P Jessop , H Snoek , G Raven , J Chauveau , V B Golubev , V P Druzhinin , A R Buzykaev , V E Blinov , A Khan , J A Mckenna , G Calderini , H Briand , G R Bonneaud , M Bomben , E Benhaim , R Stroili , F Simonetto , M Rotondo , M Posocco , M Morandin , M Margoni , N Gagliardi , E Feltresi , G Castelli , E Torrence , J Strube , D Strom , N B Sinev , D E Hutchcroft , E Gabathuler , J R Fry , J P Coleman , A Adametz , A J Edwards , M Morii , W T Ford , A Gaz , M Nagel , U Nauenberg , B Echenard , T Leddig , T Hartmann , C Buenger , G Piredda , M A Mazzoni , L Li Gioi , M Gaspero , F Ferroni , F Ferrarotto , R Faccini , G Cavoto , F Anulli , A V Telnov , A J S Smith , J Olsen , Chihyuan Lu , D Lopes Pegna , J Walsh , G Rizzo , E Paoloni , N Neri , A Lusiani , M A Giorgi , F Forti , A Cervelli , D A Doll , K Suzuki , J M Thompson , J Va Vra , A Wagner , M Mandelkern , D P Stoker , H Atmacan , J W Gary , Fang Liu , A Y Rakitin , R Rahmat , M Ebert , F U Bernlochner , U Uwer , J Marks , K T Flood , D G Hitlin , P Ongmongkolkul , F C Porter , B Spaan , J Albert , R Andreassen , M S Dubrovin , B T Meadows , M D Sokoloff , P C Bloom , C A Chavez , I Bingham , D M Wright , D J Lange , G Wormser , Limin Wang , D Monorchio , G De Nardo , P Taras , X Nguyen , D J Summers , P Sonnek , J G Smith , R Kroeger , E Fioravanti , I Garzia , E Luppi , M Munerato , M Negrini , L Piemontese , R Baldiniferroli , Shunzhou Li , B Lindquist , S Luitz , V Luth , H L Lynch , D B Macfarlane , D R Muller , H Neal , S Nelson , A Calcaterra , R De Sangro , G Finocchiaro , M Nicolaci , A Stocchi , M H Schune , P Roudeau , A Perez , B Malaescu , A M Lutz , F Le Diberder , G Grosdidier , J Firmino Da Costa , D Derkach , M Davier , N Arnaud , Z J Guo , A V Gritsan , A E Rubin , E I Rosenberg , S Prell , W T Meyer , H B Crawley , J Cochran , C Chen , U Mallik , P K Behera , M Pappagallo , G Eigen , B Stugu , L Sun , D N Brown , L T Kerth , Yu G Kolomensky , G Lynch , I Osipenkov , C P O Grady , I Ofte , M Perl , T Pulliam , B N Ratcliff , S Pacetti , M Tibbetts , P D Dauncey , T Lueck , H M Lacker , P Patteri , I M Peruzzi , M Piccolo , M Rama , G Vasseur , G Hamel De Monchenault , S Emery , F F Wilson , E O Olaiya , T Adye , R Waldi , H Schroder , A Zallo , R Contri , A Hafner , A Randleconde , J R Wilson , R M White , M V Purohit , W Park , X R Chen , V Ziegler , C C Young , A K Yarritu , H W Wulsin , M Wittgen , W J Wisniewski , M Weaver , H Kim , M H Kelsey , W R Innes , C Hast , H Koch , T Schroeder , D J Asgeirsson , C Hearty , T S Mattison , P Grenier , M T Graham , A M Gabareen , B G Fulsom , M Franco Sevilla , R C Field , W Dunwoodie , G P Duboisfelsmann , A Palano , E Guido , M Lo Vetere , M R Monge , S Passaggio , C Patrignani , E Robutti , B Bhuyan , V Prasad , C L Lee , E A Kravchenko , G Cibinetto , R Calabrese , C Bozzi , D Bettoni , A P Onuchin , S I Serednyakov , Yu I Skovpen , E P Solodov , K Yu Todyshev , A N Yushkov , M Bondioli , S Curry , D Kirkby , A J Lankford , W Gradl , M Fritsch , D Dujmic , R Cowan , E Salvati , C Dallapiccola , G Simi , D A Roberts , A Jawahery , Bruce A Hamilton , R Cenci , G D Lafferty , Graeme D Jackson , R J Barlow , D C Bailey , K E Alwyn , J Dorfan , A G Denig , S L Wu , C Vuosalo , M R Convery , C Cartaro , J F Benitez , R Bartoldus , D J Bard , D Aston , J E Watson , S Playfer , P J Clark , M Verderi , D Bernard , R Schwierz , K R Schubert , M Kobel , R Prepost , G Sciolla , M T Allen , D Lindemann , P M Patel , M Schram , P Biassoni , Y Pan , S Dasu , H R Band , A Lazzaro , V Lombardo , F Palombo , S Stracka , L Cremaldi , R Godang , E M T Puccio , T E Latham , P F Harrison , T Gershon , C A West , J D Richman , D Kovalskyi , T M Hong , C Campagnari , G M Vitug , Ch Yeche , R Sobie , J M Roney , C L Davis , I M Nugent , S J Sekula , M Bellis , P R Burchat , T S Miyashita , M S Alam , J Ernst , N Guttman , A Soffer , P Lund , S M Spanier , R Eckmann , J L Ritchie , A M Ruland , C J Schilling , R F Schwitters , B C Wray , J M Izen , X C Lou , G Onorato , C Sciacca , C Lindsay , M J Lewczuk , F Bianchi , D Gamba , M Pelliccioni , L Lanceri , L Vitale , N Lopezmarch , F Martinezvidal , A Oyanguren , O Long , A M Eisner , J Kroseberg , W S Lockman , A J Martinez , T Schalk , B A Schumm , A Seiden , H Ahmed , D W G S Leith , M L Kocian , P Kim , R Ayad , S R Wagner , C H Cheng , G Batignani , S Bettarini , M Carpinelli , G Casarosa , A C Wren , S Paramesvaran , S Sitt , M Biasini , E Manoni , A M Rossi , C Angelini , Glen Cowan , M Sigamani , R Sacco , F Di Lodovico , A J Bevan , C Touramanis , D J Payne , J P Lees , P Lewis , A Petzold , V Poireau , E Prencipe , V Tisserand , R Kowalewski , G J King , K Hamano , H H F Choi Physical Review D（2011）
摘要
The decay width and mass of the D-s1(2536)(+) meson are measured via the decay channel D-s1(+) -> (D*+KS0) using 385 fb(-1) of data recorded with the BABAR detector in the vicinity of the Gamma(4S) resonance at the PEP-II asymmetric-energy electron-positron collider. The result for the decay width is Gamma(D-s1(+)) = 92 +/- 0.03(stat.) +/- 0.04(syst.) MeV. For the mass, a value of m(D-s1(+)) = 2535.08 +/- 0.01(stat.) +/- 0.15(syst.) MeV/c(2) is obtained. The mass difference between the D-s1(+) and the D*+ is measured to be m(D-s1(+)) - m(D*+) = 524.83 +/- 0.01(stat.) +/- 0.04(syst.) MeV/c(2), representing a significant improvement compared to the current world average. The unnatural spin-parity assignment for the D-s1(+) meson is confirmed.
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