We search for annihilation decay modes of neutral b mesons into pairs of charmless charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 6 fb(-1) of integrated luminosity, we obtain the first evidence for the B-s(0) -> pi(+)pi(-) decay, with a significance of 3.7 sigma, and a measured branching ratio B(B-s(0) -> pi(+)pi(-)) = (0.57 +/- 0.15(stat) +/- 0.10(syst)) x 10(-6). A search for the B-0 -> K+K- mode in the same sample yields a significance of 2.0 sigma, and a central value estimate B(B-0 -> K+K-) = (0.23 +/- 0.10(stat) +/- 0.10(syst)) x 10(-6).
Evidence for the Charmless Annihilation Decay Mode B-s(0) -> pi(+)pi(-) / Aaltonen T; Alvarez Gonzalez B; Amerio S; Amidei D; Anastassov A; Annovi A; Antos J; Apollinari G; Appel J A; Arisawa T; Artikov A; Asaadi J; Ashmanskas W; Auerbach B; Aurisano A; Azfar F; Badgett W; Bae T; Barbaro-Galtieri A; Barnes V E; Barnett B A; Barria P; Bartos P; Bauce M; Bedeschi F; Behari S; Bellettini G; Bellinger J; Benjamin D; Beretvas A; Bhatti A; Bisello D; Bizjak I; Bland K R; Blumenfeld B; Bocci A; Bodek A; Bortoletto D; Boudreau J; Boveia A; Brigliadori L; Bromberg C; Brucken E; Budagov J; Budd H S; Burkett K; Busetto G; Bussey P; Buzatu A; Calamba A; Calancha C; Camarda S; Campanelli M; Campbell M; Canelli F; Carls B; Carlsmith D; Carosi R; Carrillo S; Carron S; Casal B; Casarsa M; Castro A; Catastini P; Cauz D; Cavaliere V; Cavalli-Sforza M; Cerri A; Cerrito L; Chen Y C; Chertok M; Chiarelli G; Chlachidze G; Chlebana F; Cho K; Chokheli D; Chung W H; Chung Y S; Ciocci M A; Clark A; Clarke C; Compostella G; Convery M E; Conway J; Corbo M; Cordelli M; Cox C A; Cox D J; Crescioli F; Cuevas J; Culbertson R; Dagenhart D; d'Ascenzo N; Datta M; de Barbaro P; Dell'orso M; Demortier L; Deninno M; Devoto F; d'Errico M; Di Canto A; Di Ruzza B; Dittmann J R; D'Onofrio M; Donati S; Dong P; Dorigo M; Dorigo T; Ebina K; Elagin A; Eppig A; Erbacher R; Errede S; Ershaidat N; Eusebi R; Farrington S; Feindt M; Fernandez J P; Field R; Flanagan G; Forrest R; Frank M J; Franklin M; Freeman J C; Funakoshi Y; Furic I; Gallinaro M; Garcia J E; Garfinkel A F; Garosi P; Gerberich H; Gerchtein E; Giakoumopoulou V; Giannetti P; Gibson K; Ginsburg C M; Giokaris N; Giromini P; Giurgiu G; Glagolev V; Glenzinski D; Gold M; Goldin D; Goldschmidt N; Golossanov A; Gomez G; Gomez-Ceballos G; Goncharov M; Gonzalez O; Gorelov I; Goshaw A T; Goulianos K; Grinstein S; Grosso-Pilcher C; Group R C; Guimaraes da Costa J; Hahn S R; Halkiadakis E; Hamaguchi A; Han J Y; Happacher F; Hara K; Hare D; Hare M; Harr R F; Hatakeyama K; Hays C; Heck M; Heinrich J; Herndon M; Hewamanage S; Hocker A; Hopkins W; Horn D; Hou S; Hughes R E; Hurwitz M; Husemann U; Hussain N; Hussein M; Huston J; Introzzi G; Iori M; Ivanov A; James E; Jang D; Jayatilaka B; Jeon E J; Jindariani S; Jones M; Joo K K; Jun S Y; Junk T R; Kamon T; Karchin P E; Kasmi A; Kato Y; Ketchum W; Keung J; Khotilovich V; Kilminster B; Kim D H; Kim H S; Kim J E; Kim M J; Kim S B; Kim S H; Kim Y K; Kim Y J; Kimura N; Kirby M; Klimenko S; Knoepfel K; Kondo K; Kong D J; Konigsberg J; Kotwal A V; Kreps M; Kroll J; Krop D; Kruse M; Krutelyov V; Kuhr T; Kurata M; Kwang S; Laasanen A T; Lami S; Lammel S; Lancaster M; Lander R L; Lannon K; Lath A; Latino G; Lecompte T; Lee E; Lee H S; Lee J S; Lee S W; Leo S; Leone S; Lewis J D; Limosani A; Lin C-J; Lindgren M; Lipeles E; Lister A; Litvintsev D O; Liu C; Liu H; Liu Q; Liu T; Lockwitz S; Loginov A; Lucchesi D; Lueck J; Lujan P; Lukens P; Lungu G; Lys J; Lysak R; Madrak R; Maeshima K; Maestro P; Malik S; Manca G; Manousakis-Katsikakis A; Margaroli F; Marino C; Martinez M; Mastrandrea P; Matera K; Mattson M E; Mazzacane A; Mazzanti P; McFarland K S; McIntyre P; McNulty R; Mehta A; Mehtala P; Mesropian C; Miao T; Mietlicki D; Mitra A; Miyake H; Moed S; Moggi N; Mondragon M N; Moon C S; Moore R; Morello M J; Morlock J; Movilla Fernandez P; Mukherjee A; Muller Th; Murat P; Mussini M; Nachtman J; Nagai Y; Naganoma J; Nakano I; Napier A; Nett J; Neu C; Neubauer M S; Nielsen J; Nodulman L; Noh S Y; Norniella O; Oakes L; Oh S H; Oh Y D; Oksuzian I; Okusawa T; Orava R; Ortolan L; Pagan Griso S; Pagliarone C; Palencia E; Papadimitriou V; Paramonov A A; Patrick J; Pauletta G; Paulini M; Paus C; Pellett D E; Penzo A; Phillips T J; Piacentino G; Pianori E; Pilot J; Pitts K; Plager C; Pondrom L; Poprocki S; Potamianos K; Prokoshin F; Pranko A; Ptohos F; Punzi G; Rahaman A; Ramakrishnan V; Ranjan N; Redondo I; Renton P; Rescigno M; Riddick T; Rimondi F; Ristori L; Robson A; Rodrigo T; Rodriguez T; Rogers E; Rolli S; Roser R; Ruffini F; Ruiz A; Russ J; Rusu V; Safonov A; Sakumoto W K; Sakurai Y; Santi L; Sato K; Saveliev V; Savoy-Navarro A; Schlabach P; Schmidt A; Schmidt E E; Schwarz T; Scodellaro L; Scribano A; Scuri F; Seidel S; Seiya Y; Semenov A; Sforza F; Shalhout S Z; Shears T; Shepard P F; Shimojima M; Shochet M; Shreyber-Tecker I; Simonenko A; Sinervo P; Sliwa K; Smith J R; Snider F D; Soha A; Sorin V; Song H; Squillacioti P; Stancari M; St Denis R; Stelzer B; Stelzer-Chilton O; Stentz D; Strologas J; Strycker G L; Sudo Y; Sukhanov A; Suslov I; Takemasa K; Takeuchi Y; Tang J; Tecchio M; Teng P K; Thom J; Thome J; Thompson G A; Thomson E; Toback D; Tokar S; Tollefson K; Tomura T; Tonelli D; Torre S; Torretta D; Totaro P; Trovato M; Ukegawa F; Uozumi S; Varganov A; Vazquez F; Velev G; Vellidis C; Vidal M; Vila I; Vilar R; Vizan J; Vogel M; Volpi G; Wagner P; Wagner R L; Wakisaka T; Wallny R; Wang S M; Warburton A; Waters D; Wester W C 3rd; Whiteson D; Wicklund A B; Wicklund E; Wilbur S; Wick F; Williams H H; Wilson J S; Wilson P; Winer B L; Wittich P; Wolbers S; Wolfe H; Wright T; Wu X; Wu Z; Yamamoto K; Yamato D; Yang T; Yang U K; Yang Y C; Yao W-M; Yeh G P; Yi K; Yoh J; Yorita K; Yoshida T; Yu G B; Yu I; Yu S S; Yun J C; Zanetti A; Zeng Y; Zucchelli S. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 108:21(2012), pp. 211803-211803.
Titolo: | Evidence for the Charmless Annihilation Decay Mode B-s(0) -> pi(+)pi(-) |
Autori: | |
Data di pubblicazione: | 2012 |
Rivista: | |
Citazione: | Evidence for the Charmless Annihilation Decay Mode B-s(0) -> pi(+)pi(-) / Aaltonen T; Alvarez Gonzalez B; Amerio S; Amidei D; Anastassov A; Annovi A; Antos J; Apollinari G; Appel J A; Arisawa T; Artikov A; Asaadi J; Ashmanskas W; Auerbach B; Aurisano A; Azfar F; Badgett W; Bae T; Barbaro-Galtieri A; Barnes V E; Barnett B A; Barria P; Bartos P; Bauce M; Bedeschi F; Behari S; Bellettini G; Bellinger J; Benjamin D; Beretvas A; Bhatti A; Bisello D; Bizjak I; Bland K R; Blumenfeld B; Bocci A; Bodek A; Bortoletto D; Boudreau J; Boveia A; Brigliadori L; Bromberg C; Brucken E; Budagov J; Budd H S; Burkett K; Busetto G; Bussey P; Buzatu A; Calamba A; Calancha C; Camarda S; Campanelli M; Campbell M; Canelli F; Carls B; Carlsmith D; Carosi R; Carrillo S; Carron S; Casal B; Casarsa M; Castro A; Catastini P; Cauz D; Cavaliere V; Cavalli-Sforza M; Cerri A; Cerrito L; Chen Y C; Chertok M; Chiarelli G; Chlachidze G; Chlebana F; Cho K; Chokheli D; Chung W H; Chung Y S; Ciocci M A; Clark A; Clarke C; Compostella G; Convery M E; Conway J; Corbo M; Cordelli M; Cox C A; Cox D J; Crescioli F; Cuevas J; Culbertson R; Dagenhart D; d'Ascenzo N; Datta M; de Barbaro P; Dell'orso M; Demortier L; Deninno M; Devoto F; d'Errico M; Di Canto A; Di Ruzza B; Dittmann J R; D'Onofrio M; Donati S; Dong P; Dorigo M; Dorigo T; Ebina K; Elagin A; Eppig A; Erbacher R; Errede S; Ershaidat N; Eusebi R; Farrington S; Feindt M; Fernandez J P; Field R; Flanagan G; Forrest R; Frank M J; Franklin M; Freeman J C; Funakoshi Y; Furic I; Gallinaro M; Garcia J E; Garfinkel A F; Garosi P; Gerberich H; Gerchtein E; Giakoumopoulou V; Giannetti P; Gibson K; Ginsburg C M; Giokaris N; Giromini P; Giurgiu G; Glagolev V; Glenzinski D; Gold M; Goldin D; Goldschmidt N; Golossanov A; Gomez G; Gomez-Ceballos G; Goncharov M; Gonzalez O; Gorelov I; Goshaw A T; Goulianos K; Grinstein S; Grosso-Pilcher C; Group R C; Guimaraes da Costa J; Hahn S R; Halkiadakis E; Hamaguchi A; Han J Y; Happacher F; Hara K; Hare D; Hare M; Harr R F; Hatakeyama K; Hays C; Heck M; Heinrich J; Herndon M; Hewamanage S; Hocker A; Hopkins W; Horn D; Hou S; Hughes R E; Hurwitz M; Husemann U; Hussain N; Hussein M; Huston J; Introzzi G; Iori M; Ivanov A; James E; Jang D; Jayatilaka B; Jeon E J; Jindariani S; Jones M; Joo K K; Jun S Y; Junk T R; Kamon T; Karchin P E; Kasmi A; Kato Y; Ketchum W; Keung J; Khotilovich V; Kilminster B; Kim D H; Kim H S; Kim J E; Kim M J; Kim S B; Kim S H; Kim Y K; Kim Y J; Kimura N; Kirby M; Klimenko S; Knoepfel K; Kondo K; Kong D J; Konigsberg J; Kotwal A V; Kreps M; Kroll J; Krop D; Kruse M; Krutelyov V; Kuhr T; Kurata M; Kwang S; Laasanen A T; Lami S; Lammel S; Lancaster M; Lander R L; Lannon K; Lath A; Latino G; Lecompte T; Lee E; Lee H S; Lee J S; Lee S W; Leo S; Leone S; Lewis J D; Limosani A; Lin C-J; Lindgren M; Lipeles E; Lister A; Litvintsev D O; Liu C; Liu H; Liu Q; Liu T; Lockwitz S; Loginov A; Lucchesi D; Lueck J; Lujan P; Lukens P; Lungu G; Lys J; Lysak R; Madrak R; Maeshima K; Maestro P; Malik S; Manca G; Manousakis-Katsikakis A; Margaroli F; Marino C; Martinez M; Mastrandrea P; Matera K; Mattson M E; Mazzacane A; Mazzanti P; McFarland K S; McIntyre P; McNulty R; Mehta A; Mehtala P; Mesropian C; Miao T; Mietlicki D; Mitra A; Miyake H; Moed S; Moggi N; Mondragon M N; Moon C S; Moore R; Morello M J; Morlock J; Movilla Fernandez P; Mukherjee A; Muller Th; Murat P; Mussini M; Nachtman J; Nagai Y; Naganoma J; Nakano I; Napier A; Nett J; Neu C; Neubauer M S; Nielsen J; Nodulman L; Noh S Y; Norniella O; Oakes L; Oh S H; Oh Y D; Oksuzian I; Okusawa T; Orava R; Ortolan L; Pagan Griso S; Pagliarone C; Palencia E; Papadimitriou V; Paramonov A A; Patrick J; Pauletta G; Paulini M; Paus C; Pellett D E; Penzo A; Phillips T J; Piacentino G; Pianori E; Pilot J; Pitts K; Plager C; Pondrom L; Poprocki S; Potamianos K; Prokoshin F; Pranko A; Ptohos F; Punzi G; Rahaman A; Ramakrishnan V; Ranjan N; Redondo I; Renton P; Rescigno M; Riddick T; Rimondi F; Ristori L; Robson A; Rodrigo T; Rodriguez T; Rogers E; Rolli S; Roser R; Ruffini F; Ruiz A; Russ J; Rusu V; Safonov A; Sakumoto W K; Sakurai Y; Santi L; Sato K; Saveliev V; Savoy-Navarro A; Schlabach P; Schmidt A; Schmidt E E; Schwarz T; Scodellaro L; Scribano A; Scuri F; Seidel S; Seiya Y; Semenov A; Sforza F; Shalhout S Z; Shears T; Shepard P F; Shimojima M; Shochet M; Shreyber-Tecker I; Simonenko A; Sinervo P; Sliwa K; Smith J R; Snider F D; Soha A; Sorin V; Song H; Squillacioti P; Stancari M; St Denis R; Stelzer B; Stelzer-Chilton O; Stentz D; Strologas J; Strycker G L; Sudo Y; Sukhanov A; Suslov I; Takemasa K; Takeuchi Y; Tang J; Tecchio M; Teng P K; Thom J; Thome J; Thompson G A; Thomson E; Toback D; Tokar S; Tollefson K; Tomura T; Tonelli D; Torre S; Torretta D; Totaro P; Trovato M; Ukegawa F; Uozumi S; Varganov A; Vazquez F; Velev G; Vellidis C; Vidal M; Vila I; Vilar R; Vizan J; Vogel M; Volpi G; Wagner P; Wagner R L; Wakisaka T; Wallny R; Wang S M; Warburton A; Waters D; Wester W C 3rd; Whiteson D; Wicklund A B; Wicklund E; Wilbur S; Wick F; Williams H H; Wilson J S; Wilson P; Winer B L; Wittich P; Wolbers S; Wolfe H; Wright T; Wu X; Wu Z; Yamamoto K; Yamato D; Yang T; Yang U K; Yang Y C; Yao W-M; Yeh G P; Yi K; Yoh J; Yorita K; Yoshida T; Yu G B; Yu I; Yu S S; Yun J C; Zanetti A; Zeng Y; Zucchelli S. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 108:21(2012), pp. 211803-211803. |
Abstract: | We search for annihilation decay modes of neutral b mesons into pairs of charmless charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 6 fb(-1) of integrated luminosity, we obtain the first evidence for the B-s(0) -> pi(+)pi(-) decay, with a significance of 3.7 sigma, and a measured branching ratio B(B-s(0) -> pi(+)pi(-)) = (0.57 +/- 0.15(stat) +/- 0.10(syst)) x 10(-6). A search for the B-0 -> K+K- mode in the same sample yields a significance of 2.0 sigma, and a central value estimate B(B-0 -> K+K-) = (0.23 +/- 0.10(stat) +/- 0.10(syst)) x 10(-6). |
Handle: | http://hdl.handle.net/11390/879702 |
Appare nelle tipologie: | 1.1 Articolo in rivista |