首页|Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set

Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set

来源：

Arxiv

英文摘要

We present a measurement of the ratio of the top-quark branching fractions $R=\mathcal{B}(t\rightarrow Wb)/\mathcal{B}(t\rightarrow $ $q$ represents quarks of flavors $b$, $s$, or $d$, in the final state, in events with two charged leptons, missing transverse energy and at least two jets. The measurement uses $\sqrt{s}$ = 1.96 TeV proton--antiproton collision data corresponding to an integrated luminosity of 8.7 fb$^{-1}$ and collected with the Collider Detector at Fermilab during Run II of the Tevatron. We measure $R=0.87 \pm 0.07$ (stat+syst), and extract the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element, $\left|V_{tb}\right| = 0.93 \pm 0.04$ (stat+syst) assuming three generations of quarks. Under these assumptions, a lower limit of $|V_{tb}|>0.85$ at 95% credibility level is set.

作者：A. Pranko、M. D'Errico、H. H. Williams、G. Bellettini、I. Redondo Fern¨￠ndez、I. Nakano、C. Galloni、N. Ranjan、Y. C. Yang、A. Di Canto、P. Lukens、N. Moggi、H. S. Budd、J. Kroll、S. Lammel、G. Introzzi、Q. Liu、M. D'Onofrio、G. Chiarelli、F. Sforza、N. d'Ascenzo、L. Scodellaro、K. Cho、V. Giakoumopoulou、P. Butti、G. Gomez-Ceballos、J. Bellinger、A. Elagin、M. Bauce、G. Gomez、S. R. Hahn、D. Amidei、K. Yorita、M. Hare、M. Trovato、J. Asaadi、P. Mehtala、K. Potamianos、D. Yamato、S. H. Kim、A. Clark、A. Luc¨¤、M. Paulini、R. St. Denis、A. Sukhanov、L. Pondrom、Y. C. Chen、J. C. Freeman、K. R. Bland、J. Nachtman、L. Brigliadori、S. Farrington、M. Mussini、V. Glagolev、A. Ruiz、W. Badgett、M. Stancari、I. Suslov、S. Moed、B. Esham、Y. Takeuchi、M. E. Convery、J. P. Fern¨￠ndez Ramos、S. Jindariani、W. K. Sakumoto、CDF Collaboration、B. Jayatilaka、M. Kreps、J. Nett、J. Naganoma、M. Kambeitz、J. Lueck、K. Matera、E. E. Schmidt、T. Schwarz、M. Tecchio、P. Barria、S. Tokar、H. S. Lee、G. Lungu、M. Chertok、A. Limosani、K. Sato、U. K. Yang、R. E. Hughes、K. Tollefson、T. Aaltonen、H. Song、J. R. Smith、K. Yi、A. Beretvas、D. Bortoletto、A. Semenov、R. Orava、M. Campanelli、T. Miao、R. Culbertson、F. Prokoshin、J. Pilot、M. Goncharov、A. Annovi、A. Bhatti、R. Erbacher、D. Lucchesi、G. Busetto、S. Zucchelli、K. Yamamoto、M. Shochet、S. M. Wang、P. Maestro、T. Yang、P. Wilson、A. Lister、D. Chokheli、C. Pagliarone、A. Buzatu、B. Casal、D. Carlsmith、S. Seidel、J. Cuevas、J. Konigsberg、K. Ebina、C. A. Cox、K. Knoepfel、M. Kirby、M. Kurata、V. Sorin、M. Franklin、H. Liu、D. Cruz、M. Datta、C. Vernieri、C. Bromberg、T. J. Phillips、C. Plager、J. Boudreau、T. Nigmanov、M. J. Morello、A. V. Kotwal、A. Driutti、D. Toback、C. Clarke、M. Cremonesi、A. Boveia、G. P. Yeh、L. Ristori、W. -M. Yao、E. James、D. Waters、T. Bae、D. Benjamin、J. Strologas、D. Glenzinski、Y. J. Kim、E. Gerchtein、T. R. Junk、Y. D. Oh、G. Manca、S. Behari、C. Neu、R. Lysak、D. J. Cox、R. McNulty、O. Norniella、L. Nodulman、S. Errede、A. M. Zanetti、E. Brucken、A. Cerri、R. Edgar、H. Miyake、Y. Sudo、M. Dorigo、V. Thukral、D. Tonelli、W. Ketchum、R. Field、N. Giokaris、J. Huston、C. Paus、K. Burkett、B. Carls、M. Gold、K. Gibson、K. Kondo、Y. Funakoshi、A. Mazzacane、S. Torre、A. Kasmi、S. Y. Noh、F. Happacher、A. Ivanov、A. Mitra、J. Guimaraes da Costa、K. Takemasa、A. Savoy-Navarro、T. Rodriguez、M. Vogel、S. Amerio、C. M. Ginsburg、B. Di Ruzza、T. Okusawa、A. Anastassov、E. J. Jeon、F. Rimondi、D. Jang、S. Malik、E. Thomson、V. Rusu、G. Apollinari、F. Ukegawa、Y. Nagai、M. Shimojima、M. Mart¨anez、F. Margaroli、S. Grinstein、S. Y. Jun、J. Heinrich、J. E. Kim、K. Lannon、S. Leo、L. Oakes、P. Mazzanti、S. Z. Shalhout、R. Roser、C. S. Moon、T. Kuhr、C. Zhou、J. Thom、P. Giromini、P. F. Shepard、M. J. Kim、W. Hopkins、D. Cauz、F. V¨￠zquez、K. Pitts、A. Bocci、J. R. Dittmann、M. Iori、G. Giurgiu、B. L. Winer、J. Tang、A. B. Wicklund、J. Conway、D. Whiteson、J. Keung、G. Latino、S. Lockwitz、G. Pauletta、R. Wallny、G. Velev、T. Kamon、G. Volpi、J. S. Lee、P. Totaro、P. Catastini、F. D. Snider、C. Hays、K. Sliwa、T. Liu、F. Bedeschi、S. H. Oh、J. D. Lewis、P. Bartos、R. Moore、R. Vilar、S. Giagu、T. Yoshida、P. de Barbaro、S. Wilbur、V. Papadimitriou、K. Goulianos、A. Mukherjee、W. C. Wester III、J. Yoh、S. Donati、V. Saveliev、P. Renton、A. Calamba、P. Marino、T. Arisawa、D. Stentz、F. Ruffini、E. Palencia、A. Mehta、A. T. Goshaw、M. Jones、M. Ronzani、A. Artikov、S. Hou、T. Harrington-Taber、G. B. Yu、S. Uozumi、A. Hocker、I. Shreyber-Tecker、F. Canelli、P. E. Karchin、M. Vidal、V. Cavaliere、I. Yu、P. Palni、M. Kruse、K. Hatakeyama、S. Leone、J. A. Appel、W. Parker、Y. Kato、J. Viz¨￠n、Y. Sakurai、J. Russ、A. Golossanov、S. Wolbers、M. Deninno、H. S. Kim、K. Hara、X. Wu、L. Ortolan、F. Ptohos、B. Kilminster、L. Demortier、G. Chlachidze、E. Lipeles、M. Corbo、S. B. Kim、F. Devoto、A. Barbaro-Galtieri、D. Mietlicki、H. Wolfe、P. Murat、J. S. Wilson、P. Wagner、M. Casarsa、J. Antos、S. Carrillo、D. Goldin、L. Cerrito、L. Santi、C. Mesropian、C. Grosso-Pilcher、V. E. Barnes、C. Vellidis、M. Lancaster、P. Schlabach、A. Manousakis-Katsikakis、T. Shears、Th. Muller、F. Scuri、Z. Hong、J. Budagov、G. Flanagan、A. Loginov、D. H. Kim、M. Hussein、A. Robson、H. Gerberich、S. Camarda、I. Oksuzian、P. Wittich、S. Poprocki、S. Rolli、W. Ashmanskas、A. F. Garfinkel、Y. Seiya、R. F. Harr、J. Lys、J. L. Rosner、O. Gonz¨￠lez L¨?pez、G. Punzi、D. Torretta、P. Garosi、I. Gorelov、R. Carosi、E. Gramellini、D. J. Kong、A. Aurisano、Z. Wu、K. K. Joo、Y. Zeng、P. K. Teng、H. Frisch、G. Piacentino、M. E. Mattson、T. Wright、M. Cordelli、B. Blumenfeld、A. Bodek、T. Tomura、E. Pianori、R. Forrest、B. Auerbach、L. Marchese、F. Azfar、U. Husemann、A. Simonenko、M. Cavalli-Sforza、B. A. Barnett、P. Bussey、A. Napier、M. Rescigno、N. Kimura、Y. K. Kim、P. Lujan、A. Castro、M. Herndon、J. Y. Han、R. C. Group、A. T. Laasanen、R. Madrak

作者单位：

DOI：10.1103/PhysRevLett.112.221801

学科分类：物理学

推荐引用：A. Pranko,M. D'Errico,H. H. Williams,G. Bellettini,I. Redondo Fern¨￠ndez,I. Nakano,C. Galloni,N. Ranjan,Y. C. Yang,A. Di Canto,P. Lukens,N. Moggi,H. S. Budd,J. Kroll,S. Lammel,G. Introzzi,Q. Liu,M. D'Onofrio,G. Chiarelli,F. Sforza,N. d'Ascenzo,L. Scodellaro,K. Cho,V. Giakoumopoulou,P. Butti,G. Gomez-Ceballos,J. Bellinger,A. Elagin,M. Bauce,G. Gomez,S. R. Hahn,D. Amidei,K. Yorita,M. Hare,M. Trovato,J. Asaadi,P. Mehtala,K. Potamianos,D. Yamato,S. H. Kim,A. Clark,A. Luc¨¤,M. Paulini,R. St. Denis,A. Sukhanov,L. Pondrom,Y. C. Chen,J. C. Freeman,K. R. Bland,J. Nachtman,L. Brigliadori,S. Farrington,M. Mussini,V. Glagolev,A. Ruiz,W. Badgett,M. Stancari,I. Suslov,S. Moed,B. Esham,Y. Takeuchi,M. E. Convery,J. P. Fern¨￠ndez Ramos,S. Jindariani,W. K. Sakumoto,CDF Collaboration,B. Jayatilaka,M. Kreps,J. Nett,J. Naganoma,M. Kambeitz,J. Lueck,K. Matera,E. E. Schmidt,T. Schwarz,M. Tecchio,P. Barria,S. Tokar,H. S. Lee,G. Lungu,M. Chertok,A. Limosani,K. Sato,U. K. Yang,R. E. Hughes,K. Tollefson,T. Aaltonen,H. Song,J. R. Smith,K. Yi,A. Beretvas,D. Bortoletto,A. Semenov,R. Orava,M. Campanelli,T. Miao,R. Culbertson,F. Prokoshin,J. Pilot,M. Goncharov,A. Annovi,A. Bhatti,R. Erbacher,D. Lucchesi,G. Busetto,S. Zucchelli,K. Yamamoto,M. Shochet,S. M. Wang,P. Maestro,T. Yang,P. Wilson,A. Lister,D. Chokheli,C. Pagliarone,A. Buzatu,B. Casal,D. Carlsmith,S. Seidel,J. Cuevas,J. Konigsberg,K. Ebina,C. A. Cox,K. Knoepfel,M. Kirby,M. Kurata,V. Sorin,M. Franklin,H. Liu,D. Cruz,M. Datta,C. Vernieri,C. Bromberg,T. J. Phillips,C. Plager,J. Boudreau,T. Nigmanov,M. J. Morello,A. V. Kotwal,A. Driutti,D. Toback,C. Clarke,M. Cremonesi,A. Boveia,G. P. Yeh,L. Ristori,W. -M. Yao,E. James,D. Waters,T. Bae,D. Benjamin,J. Strologas,D. Glenzinski,Y. J. Kim,E. Gerchtein,T. R. Junk,Y. D. Oh,G. Manca,S. Behari,C. Neu,R. Lysak,D. J. Cox,R. McNulty,O. Norniella,L. Nodulman,S. Errede,A. M. Zanetti,E. Brucken,A. Cerri,R. Edgar,H. Miyake,Y. Sudo,M. Dorigo,V. Thukral,D. Tonelli,W. Ketchum,R. Field,N. Giokaris,J. Huston,C. Paus,K. Burkett,B. Carls,M. Gold,K. Gibson,K. Kondo,Y. Funakoshi,A. Mazzacane,S. Torre,A. Kasmi,S. Y. Noh,F. Happacher,A. Ivanov,A. Mitra,J. Guimaraes da Costa,K. Takemasa,A. Savoy-Navarro,T. Rodriguez,M. Vogel,S. Amerio,C. M. Ginsburg,B. Di Ruzza,T. Okusawa,A. Anastassov,E. J. Jeon,F. Rimondi,D. Jang,S. Malik,E. Thomson,V. Rusu,G. Apollinari,F. Ukegawa,Y. Nagai,M. Shimojima,M. Mart¨anez,F. Margaroli,S. Grinstein,S. Y. Jun,J. Heinrich,J. E. Kim,K. Lannon,S. Leo,L. Oakes,P. Mazzanti,S. Z. Shalhout,R. Roser,C. S. Moon,T. Kuhr,C. Zhou,J. Thom,P. Giromini,P. F. Shepard,M. J. Kim,W. Hopkins,D. Cauz,F. V¨￠zquez,K. Pitts,A. Bocci,J. R. Dittmann,M. Iori,G. Giurgiu,B. L. Winer,J. Tang,A. B. Wicklund,J. Conway,D. Whiteson,J. Keung,G. Latino,S. Lockwitz,G. Pauletta,R. Wallny,G. Velev,T. Kamon,G. Volpi,J. S. Lee,P. Totaro,P. Catastini,F. D. Snider,C. Hays,K. Sliwa,T. Liu,F. Bedeschi,S. H. Oh,J. D. Lewis,P. Bartos,R. Moore,R. Vilar,S. Giagu,T. Yoshida,P. de Barbaro,S. Wilbur,V. Papadimitriou,K. Goulianos,A. Mukherjee,W. C. Wester III,J. Yoh,S. Donati,V. Saveliev,P. Renton,A. Calamba,P. Marino,T. Arisawa,D. Stentz,F. Ruffini,E. Palencia,A. Mehta,A. T. Goshaw,M. Jones,M. Ronzani,A. Artikov,S. Hou,T. Harrington-Taber,G. B. Yu,S. Uozumi,A. Hocker,I. Shreyber-Tecker,F. Canelli,P. E. Karchin,M. Vidal,V. Cavaliere,I. Yu,P. Palni,M. Kruse,K. Hatakeyama,S. Leone,J. A. Appel,W. Parker,Y. Kato,J. Viz¨￠n,Y. Sakurai,J. Russ,A. Golossanov,S. Wolbers,M. Deninno,H. S. Kim,K. Hara,X. Wu,L. Ortolan,F. Ptohos,B. Kilminster,L. Demortier,G. Chlachidze,E. Lipeles,M. Corbo,S. B. Kim,F. Devoto,A. Barbaro-Galtieri,D. Mietlicki,H. Wolfe,P. Murat,J. S. Wilson,P. Wagner,M. Casarsa,J. Antos,S. Carrillo,D. Goldin,L. Cerrito,L. Santi,C. Mesropian,C. Grosso-Pilcher,V. E. Barnes,C. Vellidis,M. Lancaster,P. Schlabach,A. Manousakis-Katsikakis,T. Shears,Th. Muller,F. Scuri,Z. Hong,J. Budagov,G. Flanagan,A. Loginov,D. H. Kim,M. Hussein,A. Robson,H. Gerberich,S. Camarda,I. Oksuzian,P. Wittich,S. Poprocki,S. Rolli,W. Ashmanskas,A. F. Garfinkel,Y. Seiya,R. F. Harr,J. Lys,J. L. Rosner,O. Gonz¨￠lez L¨?pez,G. Punzi,D. Torretta,P. Garosi,I. Gorelov,R. Carosi,E. Gramellini,D. J. Kong,A. Aurisano,Z. Wu,K. K. Joo,Y. Zeng,P. K. Teng,H. Frisch,G. Piacentino,M. E. Mattson,T. Wright,M. Cordelli,B. Blumenfeld,A. Bodek,T. Tomura,E. Pianori,R. Forrest,B. Auerbach,L. Marchese,F. Azfar,U. Husemann,A. Simonenko,M. Cavalli-Sforza,B. A. Barnett,P. Bussey,A. Napier,M. Rescigno,N. Kimura,Y. K. Kim,P. Lujan,A. Castro,M. Herndon,J. Y. Han,R. C. Group,A. T. Laasanen,R. Madrak.Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set[EB/OL].(2014-04-13)[2025-08-16].https://arxiv.org/abs/1404.3392.点此复制

Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set

Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set

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