Measurement of the Ratio of Branching Fractions Br(B+ -> JPsi pi+)/Br(B+ ->JPsi K+) - Archive ouverte HAL Access content directly
Journal Articles Physical Review D Year : 2009

Measurement of the Ratio of Branching Fractions Br(B+ -> JPsi pi+)/Br(B+ ->JPsi K+)

A. Abulencia , J. Adelman , T. Affolder , T. Akimoto , M.G. Albrow , D. Ambrose , S. Amerio , D. Amidei , A. Anastassov , K. Anikeev , A. Annovi , J. Antos , M. Aoki , G. Apollinari , J.-F. Arguin , T. Arisawa , A. Artikov , W. Ashmanskas , A. Attal , F. Azfar , P. Azzi-Bacchetta , P. Azzurri , N. Bacchetta , W. Badgett , A. Barbaro-Galtieri , V.E. Barnes , B.A. Barnett , S. Baroiant , V. Bartsch , G. Bauer , F. Bedeschi , S. Behari , S. Belforte , G. Bellettini , J. Bellinger , A. Belloni , D. Benjamin , A. Beretvas , J. Beringer , T. Berry , A. Bhatti , M. Binkley , D. Bisello , R.E. Blair , C. Blocker , B. Blumenfeld , A. Bocci , A. Bodek , V. Boisvert , G. Bolla , A. Bolshov , D. Bortoletto , J. Boudreau , A. Boveia , B. Brau , L. Brigliadori , C. Bromberg , E. Brubaker , J. Budagov , H.S. Budd , S. Budd , S. Budroni , K. Burkett , G. Busetto , P. Bussey , K. L. Byrum , S. Cabrerao , M. Campanelli , M. Campbell , F. Canelli , A. Canepa , S. Carilloi , D. Carlsmith , R. Carosi , S. Carron , M. Casarsa , A. Castro , P. Catastini , D. Cauz , M. Cavalli-Sforza , A. Cerri , L. Cerritom , S.H. Chang , Y.C. Chen , M. Chertok , G. Chiarelli , G. Chlachidze , F. Chlebana , I. Cho , K. Cho , D. Chokheli , J.P. Chou , G. Choudalakis , S.H. Chuang , K. Chung , W.H. Chung , Y.S. Chung , M. Ciljak , C.I. Ciobanu , M.A. Ciocci , A. Clark , D. Clark , M. Coca , G. Compostella , M.E. Convery , J. Conway , B. Cooper , K. Copic , M. Cordelli , G. Cortiana , F. Crescioli , C. Cuenca Almenaro , J. Cuevasl , R. Culbertson , J.C. Cully , D. Cyr , S. Daronco , M. Datta , S. d'Auria , T. Davies , M. d'Onofrio , D. Dagenhart , P. de Barbaro , S. de Cecco , A. Deisher , G. de Lentdeckerc , M. Dell'Orso , F. Delli Paoli , L. Demortier , J. Deng , M. Deninno , D. de Pedis , P.F. Derwent , G.P. Di Giovanni (1) , C. Dionisi , B. Di Ruzza , J.R. Dittmann , P. Dituro , C. D¨orr , S. Donati , M. Donega , P. Dong , J. Donini , T. Dorigo , S. Dube , J. Efron , R. Erbacher , D. Errede , S. Errede , R. Eusebi , H.C. Fang , S. Farrington , I. Fedorko , W.T. Fedorko , R.G. Feild , M. Feindt , J.P. Fernandez , R. Field , G. Flanagan , A. Foland , S. Forrester , G.W. Foster , M. Franklin , J.C. Freeman , I. Furic , M. Gallinaro , J. Galyardt , J.E. Garcia , F. Garberson , A.F. Garfinkel , C. Gay , H. Gerberich , D. Gerdes , S. Giagu , P. Giannetti , A. Gibson , K. Gibson , J.L. Gimmell , C. Ginsburg , N. Giokarisa , M. Giordani , P. Giromini , M. Giunta , G. Giurgiu , V. Glagolev , D. Glenzinski , M. Gold , N. Goldschmidt , J. Goldsteinb , A. Golossanov , G. Gomez , G. Gomez-Ceballos , M. Goncharov , O. Gonz'Alez , I. Gorelov , A.T. Goshaw , K. Goulianos , A. Gresele , M. Griffiths , S. Grinstein , C. Grosso-Pilcher , R.C. Group , U. Grundler , J. Guimaraes da Costa , Z. Gunay-Unalan , C. Haber , K. Hahn , S.R. Hahn , E. Halkiadakis , A. Hamilton , B.-Y. Han , J.Y. Han , R. Handler , F. Happacher , K. Hara , M. Hare , S. Harper , R.F. Harr , R.M. Harris , M. Hartz , K. Hatakeyama , J. Hauser , A. Heijboer , B. Heinemann , J. Heinrich , C. Henderson , M. Herndon , J. Heuser , D. Hidas , C.S. Hillb , D. Hirschbuehl , A. Hocker , A. Holloway , S. Hou , M. Houlden , S.-C. Hsu , B.T. Huffman , R.E. Hughes , U. Husemann , J. Huston , J. Incandela , G. Introzzi , M. Iori , Y. Ishizawa , A. Ivanov , B. Iyutin , E. James , D. Jang , B. Jayatilaka , D. Jeans , H. Jensen , E.J. Jeon , S. Jindariani , M. J. Jones , K.K. Joo , S.Y. Jun , J.E. Jung , T.R. Junk , T. Kamon , P.E. Karchin , Y. Kato , Y. Kemp , R. Kephart , U. Kerzel , V. Khotilovich , B. Kilminster , D.H. Kim , H.S. Kim , J.E. Kim , M.J. Kim , S.B. Kim , S.H. Kim , Y.K. Kim , N. Kimura , L. Kirsch , S. Klimenko , M. Klute , B. Knuteson , B.R. Ko , K. Kondo , D.J. Kong , J. Konigsberg , A. Korytov , A.V. Kotwal , A. Kovalev , A.C. Kraan , J. Kraus , I. Kravchenko , M. Kreps , J. Kroll , N. Krumnack , M. Kruse , V. Krutelyov , T. Kubo , S. E. Kuhlmann , T. Kuhr , Y. Kusakabe , S. Kwang , A.T. Laasanen , S. Lai , S. Lami , S. Lammel , M. Lancaster , R.L. Lander , K. Lannon , A. Lath , G. Latino , I. Lazzizzera , T. Lecompte , J. R. Lee , Y.J. Lee , S.W. Leen , R. Lefevre , N. Leonardo , S. Leone , S. Levy , J.D. Lewis , C. Lin , C.S. Lin , M. Lindgren , E. Lipeles , A. Lister , D.O. Litvintsev , T. Liu , N.S. Lockyer , A. Loginov , M. Loreti , P. Loverre , R.-S. Lu , D. Lucchesi , P. Lujan , P. Lukens , G. Lungu , L. Lyons , J. Lys , R. Lysak , E. Lytken , P. Mack , D. Macqueen , R. Madrak , K. Maeshima , K. Makhoul , T. Maki , P. Maksimovic , S. Malde , G. Manca , F. Margaroli , R. Marginean , C. Marino , C.P. Marino , A. Martin , M. Martin , V. Marting , M. Mart'Inez , T. Maruyama , P. Mastrandrea , T. Masubuchi , H. Matsunaga , M.E. Mattson , R. Mazini , P. Mazzanti , K.S. Mcfarland , P. Mcintyre , R. Mcnultyf , A. Mehta , P. Mehtala , S. Menzemerh , A. Menzione , P. Merkel , C. Mesropian , A. Messina , T. Miao , N. Miladinovic , J. Miles , R. Miller , C. A. Mills , M. Milnik , A. Mitra , G. Mitselmakher , A. Miyamoto , S. Moed , N. Moggi , B. Mohr , R. Moore , M. Morello , P. Movilla Fernandez , J. M¨ulmenst¨adt , A. Mukherjee , Th. Muller , R. Mumford , P. Murat , J. Nachtman , A. Nagano , J. Naganoma , I. Nakano , A. Napier , V. Necula , C. Neu , M.S. Neubauer , J. Nielsen , T. Nigmanov , L. Nodulman , O. Norniella , E. Nurse , S.H. Oh , Y.D. Oh , I. Oksuzian , T. Okusawa , R. Oldeman , R. Orava , K. Osterberg , C. Pagliarone , E. Palencia , V. Papadimitriou , A.A. Paramonov , B. Parks , S. Pashapour , J. Patrick , G. Pauletta , M. Paulini , C. Paus , D.E. Pellett , A. Penzo , T.J. Phillips , G. Piacentino , J. Piedra (1) , L. Pinera , K. Pitts , C. Plager , L. Pondrom , X. Portell , O. Poukhov , N. Pounder , F. Prakoshyn , A. Pronko , J. Proudfoot , F. Ptohose , G. Punzi , J. Pursley , J. Rademackerb , A. Rahaman , N. Ranjan , S. Rappoccio , B. Reisert , V. Rekovic , P. Renton , M. Rescigno , S. Richter , F. Rimondi , L. Ristori , A. Robson , T. Rodrigo , E. Rogers , S. Rolli , R. Roser , M. Rossi , R. Rossin , A. Ruiz , J. Russ , V. Rusu , H. Saarikko , S. Sabik , A. Safonov , W.K. Sakumoto , G. Salamanna , O. Salt'O , D. Saltzberg , C. S'Anchez , L. Santi , S. Sarkar , L. Sartori , K. Sato , P. Savard , A. Savoy-Navarro (1) , T. Scheidle , P. Schlabach , E.E. Schmidt , M.P. Schmidt , M. Schmitt , T. Schwarz , L. Scodellaro , A.L. Scott , A. Scribano , F. Scuri , A. Sedov , S. Seidel , Y. Seiya , A. Semenov , L. Sexton-Kennedy , A. Sfyrla , M.D. Shapiro , T. Shears , P.F. Shepard , D. Sherman , M. Shimojimak , M. Shochet , Y. Shon , I. Shreyber , A. Sidoti , P. Sinervo , A. Sisakyan , J. Sjolin , A.J. Slaughter , J. Slaunwhite , Katrina Sliwa , J.R. Smith , F.D. Snider , R. Snihur , M. Soderberg , A. Soha , S. Somalwar , V. Sorin , J. Spalding , F. Spinella , T. Spreitzer , P. Squillacioti , M. Stanitzki , A. Staveris-Polykalas , R. St. Denis , B. Stelzer , O. Stelzer-Chilton , D. Stentz , J. Strologas , D. Stuart , J.S. Suh , A. Sukhanov , H. Sun , T. Suzuki , A. Taffard , R. Takashima , Y. Takeuchi , K. Takikawa , M. Tanaka , R. Tanaka , M. Tecchio , P.K. Teng , K. Terashi , J. Thomd , A.S. Thompson , E. Thomson , P. Tipton , V. Tiwari , S. Tkaczyk , D. Toback , S. Tokar , K. Tollefson , T. Tomura , D. Tonelli , S. Torre , D. Torretta , S. Tourneur (1) , W. Trischuk , R. Tsuchiya , S. Tsuno , N. Turini , F. Ukegawa , T. Unverhau , S. Uozumi , D. Usynin , S. Vallecorsa , N. van Remortel , A. Varganov , E. Vataga , F. V'Azquezi , G. Velev , G. Veramendi , V. Veszpremi , Roland Vidal , I. Vila , R. Vilar , T. Vine , I. Vollrath , I. Volobouevn , G. Volpi , F. Würthwein , P. Wagner , R.G. Wagner , R.L. Wagner , J. Wagner , W. Wagner , R. Wallny , S.M. Wang , A. Warburton , S. Waschke , D. Waters , M. Weinberger , W.C. Wester Iii , B. Whitehouse , D. Whiteson , A.B. Wicklund , E. Wicklund , G. Williams , H.H. Williams , P. Wilson , B.L. Winer , P. Wittichd , S. Wolbers , C. Wolfe , T. Wright , X. Wu , S.M. Wynne , A. Yagil , K. Yamamoto , J. Yamaoka , T. Yamashita , C. Yang , U.K. Yangj , Y.C. Yang , W.M. Yao , G.P. Yeh , J. Yoh , K. Yorita , T. Yoshida , G.B. Yu , I. Yu , S.S. Yu , J.C. Yun , L. Zanello , A. Zanetti , I. Zaw , X. Zhang , J. Zhou , S. Zucchelli
A. Abulencia
  • Function : Author
J. Adelman
  • Function : Author
T. Affolder
  • Function : Author
T. Akimoto
  • Function : Author
M.G. Albrow
  • Function : Author
D. Ambrose
  • Function : Author
S. Amerio
  • Function : Author
D. Amidei
  • Function : Author
A. Anastassov
  • Function : Author
K. Anikeev
  • Function : Author
A. Annovi
  • Function : Author
J. Antos
  • Function : Author
M. Aoki
  • Function : Author
G. Apollinari
  • Function : Author
J.-F. Arguin
  • Function : Author
T. Arisawa
  • Function : Author
A. Artikov
  • Function : Author
W. Ashmanskas
  • Function : Author
A. Attal
  • Function : Author
F. Azfar
  • Function : Author
P. Azzi-Bacchetta
  • Function : Author
P. Azzurri
  • Function : Author
N. Bacchetta
  • Function : Author
W. Badgett
  • Function : Author
A. Barbaro-Galtieri
  • Function : Author
V.E. Barnes
  • Function : Author
B.A. Barnett
  • Function : Author
S. Baroiant
  • Function : Author
V. Bartsch
  • Function : Author
G. Bauer
  • Function : Author
F. Bedeschi
  • Function : Author
S. Behari
  • Function : Author
S. Belforte
  • Function : Author
G. Bellettini
  • Function : Author
J. Bellinger
  • Function : Author
A. Belloni
  • Function : Author
D. Benjamin
  • Function : Author
A. Beretvas
  • Function : Author
J. Beringer
  • Function : Author
T. Berry
  • Function : Author
A. Bhatti
  • Function : Author
M. Binkley
  • Function : Author
D. Bisello
  • Function : Author
R.E. Blair
  • Function : Author
C. Blocker
  • Function : Author
B. Blumenfeld
  • Function : Author
A. Bocci
  • Function : Author
A. Bodek
  • Function : Author
V. Boisvert
  • Function : Author
G. Bolla
  • Function : Author
A. Bolshov
  • Function : Author
D. Bortoletto
  • Function : Author
J. Boudreau
  • Function : Author
A. Boveia
  • Function : Author
B. Brau
  • Function : Author
L. Brigliadori
  • Function : Author
C. Bromberg
  • Function : Author
E. Brubaker
  • Function : Author
J. Budagov
  • Function : Author
H.S. Budd
  • Function : Author
S. Budd
  • Function : Author
S. Budroni
  • Function : Author
K. Burkett
  • Function : Author
G. Busetto
P. Bussey
  • Function : Author
K. L. Byrum
  • Function : Author
S. Cabrerao
  • Function : Author
M. Campanelli
  • Function : Author
M. Campbell
  • Function : Author
F. Canelli
  • Function : Author
A. Canepa
  • Function : Author
S. Carilloi
  • Function : Author
D. Carlsmith
  • Function : Author
R. Carosi
S. Carron
  • Function : Author
M. Casarsa
  • Function : Author
A. Castro
P. Catastini
  • Function : Author
D. Cauz
  • Function : Author
M. Cavalli-Sforza
  • Function : Author
A. Cerri
  • Function : Author
L. Cerritom
  • Function : Author
S.H. Chang
  • Function : Author
Y.C. Chen
  • Function : Author
M. Chertok
  • Function : Author
G. Chiarelli
  • Function : Author
G. Chlachidze
  • Function : Author
F. Chlebana
  • Function : Author
I. Cho
  • Function : Author
K. Cho
  • Function : Author
D. Chokheli
  • Function : Author
J.P. Chou
  • Function : Author
G. Choudalakis
  • Function : Author
S.H. Chuang
  • Function : Author
K. Chung
  • Function : Author
W.H. Chung
  • Function : Author
Y.S. Chung
  • Function : Author
M. Ciljak
  • Function : Author
C.I. Ciobanu
  • Function : Author
M.A. Ciocci
  • Function : Author
A. Clark
  • Function : Author
D. Clark
  • Function : Author
M. Coca
  • Function : Author
G. Compostella
  • Function : Author
M.E. Convery
  • Function : Author
J. Conway
  • Function : Author
B. Cooper
  • Function : Author
K. Copic
  • Function : Author
M. Cordelli
  • Function : Author
G. Cortiana
  • Function : Author
F. Crescioli
  • Function : Author
C. Cuenca Almenaro
  • Function : Author
J. Cuevasl
  • Function : Author
R. Culbertson
  • Function : Author
J.C. Cully
  • Function : Author
D. Cyr
  • Function : Author
S. Daronco
  • Function : Author
M. Datta
  • Function : Author
S. d'Auria
  • Function : Author
T. Davies
  • Function : Author
M. d'Onofrio
  • Function : Author
D. Dagenhart
  • Function : Author
P. de Barbaro
  • Function : Author
S. de Cecco
  • Function : Author
A. Deisher
  • Function : Author
G. de Lentdeckerc
  • Function : Author
M. Dell'Orso
  • Function : Author
F. Delli Paoli
  • Function : Author
L. Demortier
  • Function : Author
J. Deng
  • Function : Author
M. Deninno
  • Function : Author
D. de Pedis
  • Function : Author
P.F. Derwent
  • Function : Author
C. Dionisi
  • Function : Author
B. Di Ruzza
  • Function : Author
J.R. Dittmann
  • Function : Author
P. Dituro
  • Function : Author
C. D¨orr
  • Function : Author
S. Donati
  • Function : Author
M. Donega
  • Function : Author
P. Dong
  • Function : Author
J. Donini
  • Function : Author
T. Dorigo
  • Function : Author
S. Dube
  • Function : Author
J. Efron
  • Function : Author
R. Erbacher
  • Function : Author
D. Errede
  • Function : Author
S. Errede
  • Function : Author
R. Eusebi
  • Function : Author
H.C. Fang
  • Function : Author
S. Farrington
  • Function : Author
I. Fedorko
  • Function : Author
W.T. Fedorko
  • Function : Author
R.G. Feild
  • Function : Author
M. Feindt
  • Function : Author
J.P. Fernandez
  • Function : Author
R. Field
  • Function : Author
G. Flanagan
  • Function : Author
A. Foland
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S. Forrester
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G.W. Foster
  • Function : Author
M. Franklin
  • Function : Author
J.C. Freeman
  • Function : Author
I. Furic
  • Function : Author
M. Gallinaro
  • Function : Author
J. Galyardt
  • Function : Author
J.E. Garcia
  • Function : Author
F. Garberson
  • Function : Author
A.F. Garfinkel
  • Function : Author
C. Gay
  • Function : Author
H. Gerberich
  • Function : Author
D. Gerdes
  • Function : Author
S. Giagu
  • Function : Author
P. Giannetti
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A. Gibson
  • Function : Author
K. Gibson
  • Function : Author
J.L. Gimmell
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C. Ginsburg
  • Function : Author
N. Giokarisa
  • Function : Author
M. Giordani
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P. Giromini
  • Function : Author
M. Giunta
  • Function : Author
G. Giurgiu
  • Function : Author
V. Glagolev
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D. Glenzinski
  • Function : Author
M. Gold
  • Function : Author
N. Goldschmidt
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J. Goldsteinb
  • Function : Author
A. Golossanov
  • Function : Author
G. Gomez
  • Function : Author
G. Gomez-Ceballos
  • Function : Author
M. Goncharov
  • Function : Author
O. Gonz'Alez
  • Function : Author
I. Gorelov
  • Function : Author
A.T. Goshaw
  • Function : Author
K. Goulianos
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A. Gresele
  • Function : Author
M. Griffiths
  • Function : Author
S. Grinstein
  • Function : Author
C. Grosso-Pilcher
  • Function : Author
R.C. Group
  • Function : Author
U. Grundler
  • Function : Author
J. Guimaraes da Costa
  • Function : Author
Z. Gunay-Unalan
  • Function : Author
C. Haber
  • Function : Author
K. Hahn
  • Function : Author
S.R. Hahn
  • Function : Author
E. Halkiadakis
  • Function : Author
A. Hamilton
  • Function : Author
B.-Y. Han
  • Function : Author
J.Y. Han
  • Function : Author
R. Handler
  • Function : Author
F. Happacher
  • Function : Author
K. Hara
  • Function : Author
M. Hare
  • Function : Author
S. Harper
  • Function : Author
R.F. Harr
  • Function : Author
R.M. Harris
  • Function : Author
M. Hartz
  • Function : Author
K. Hatakeyama
  • Function : Author
J. Hauser
  • Function : Author
A. Heijboer
  • Function : Author
B. Heinemann
  • Function : Author
J. Heinrich
  • Function : Author
C. Henderson
  • Function : Author
M. Herndon
  • Function : Author
J. Heuser
  • Function : Author
D. Hidas
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C.S. Hillb
  • Function : Author
D. Hirschbuehl
  • Function : Author
A. Hocker
  • Function : Author
A. Holloway
  • Function : Author
S. Hou
  • Function : Author
M. Houlden
  • Function : Author
S.-C. Hsu
  • Function : Author
B.T. Huffman
  • Function : Author
R.E. Hughes
  • Function : Author
U. Husemann
  • Function : Author
J. Huston
  • Function : Author
J. Incandela
  • Function : Author
G. Introzzi
  • Function : Author
M. Iori
  • Function : Author
Y. Ishizawa
  • Function : Author
A. Ivanov
  • Function : Author
B. Iyutin
  • Function : Author
E. James
  • Function : Author
D. Jang
  • Function : Author
B. Jayatilaka
  • Function : Author
D. Jeans
  • Function : Author
H. Jensen
  • Function : Author
E.J. Jeon
  • Function : Author
S. Jindariani
  • Function : Author
M. J. Jones
  • Function : Author
K.K. Joo
  • Function : Author
S.Y. Jun
  • Function : Author
J.E. Jung
  • Function : Author
T.R. Junk
  • Function : Author
T. Kamon
  • Function : Author
P.E. Karchin
  • Function : Author
Y. Kato
  • Function : Author
Y. Kemp
  • Function : Author
R. Kephart
  • Function : Author
U. Kerzel
  • Function : Author
V. Khotilovich
  • Function : Author
B. Kilminster
  • Function : Author
D.H. Kim
  • Function : Author
H.S. Kim
  • Function : Author
J.E. Kim
  • Function : Author
M.J. Kim
  • Function : Author
S.B. Kim
  • Function : Author
S.H. Kim
  • Function : Author
Y.K. Kim
  • Function : Author
N. Kimura
  • Function : Author
L. Kirsch
  • Function : Author
S. Klimenko
  • Function : Author
M. Klute
  • Function : Author
B. Knuteson
  • Function : Author
B.R. Ko
  • Function : Author
K. Kondo
  • Function : Author
D.J. Kong
  • Function : Author
J. Konigsberg
  • Function : Author
A. Korytov
  • Function : Author
A.V. Kotwal
  • Function : Author
A. Kovalev
A.C. Kraan
  • Function : Author
J. Kraus
  • Function : Author
I. Kravchenko
  • Function : Author
M. Kreps
  • Function : Author
J. Kroll
  • Function : Author
N. Krumnack
  • Function : Author
M. Kruse
  • Function : Author
V. Krutelyov
  • Function : Author
T. Kubo
  • Function : Author
S. E. Kuhlmann
  • Function : Author
T. Kuhr
  • Function : Author
Y. Kusakabe
  • Function : Author
S. Kwang
  • Function : Author
A.T. Laasanen
  • Function : Author
S. Lai
  • Function : Author
S. Lami
  • Function : Author
S. Lammel
  • Function : Author
M. Lancaster
  • Function : Author
R.L. Lander
  • Function : Author
K. Lannon
  • Function : Author
A. Lath
  • Function : Author
G. Latino
  • Function : Author
I. Lazzizzera
  • Function : Author
T. Lecompte
  • Function : Author
J. R. Lee
  • Function : Author
Y.J. Lee
  • Function : Author
S.W. Leen
  • Function : Author
R. Lefevre
  • Function : Author
N. Leonardo
  • Function : Author
S. Leone
  • Function : Author
S. Levy
J.D. Lewis
  • Function : Author
C. Lin
  • Function : Author
C.S. Lin
  • Function : Author
M. Lindgren
  • Function : Author
E. Lipeles
  • Function : Author
A. Lister
  • Function : Author
D.O. Litvintsev
  • Function : Author
T. Liu
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Abstract

We report a measurement of the ratio of branching fractions of the decays B+ ->JPsi pi+ and B+ -> Jpsi K+ using the CDF II detector at the Fermilab Tevatron Collider. The signal from the Cabbibo-suppressed B+->JPsi pi+ decay is separated from B+->JPsi K+ using the invariant mass distribution and the kinematics differences of the hadron track in the two decay modes. From a sample of 220 pb^-1 of pbar-p collisions at sqrt(s)= 1.96 TeV, we observe 91 +- 15 B+->JPsi pi+ events together with 1883 +- 34 B+->JPsi K+ events. The ratio of branching fractions is found to be Br(B+ -> JPsi pi+)/Br(B+ ->JPsi K+) = (4.86 +- 0.82(stat.) +- 0.15(syst.)) %.

Dates and versions

in2p3-00414179 , version 1 (08-09-2009)

Identifiers

Cite

A. Abulencia, J. Adelman, T. Affolder, T. Akimoto, M.G. Albrow, et al.. Measurement of the Ratio of Branching Fractions Br(B+ -> JPsi pi+)/Br(B+ ->JPsi K+). Physical Review D, 2009, 79, pp.112003. ⟨10.1103/PhysRevD.79.112003⟩. ⟨in2p3-00414179⟩
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