MEASUREMENT OF THE B+ AND B0 MESON LIFETIMES

Abe, F; Albrow, M; Amidei, D; Anwaywiese, C; Apollinari, G; Areti, H; Auchincloss, P; Azfar, F; Azzi, P; Bacchetta, N; Badgett, W; Bailey, Mw; Bao, J; Debarbaro, P; Barbarogaltieri, A; Barnes, Ve; Barnett, Ba; Bartalini, P; Bauer, G; Baumann, T; Bedeschi, F; Behrends, S; Belforte, S; Bellettini, G; Bellinger, J; Benjamin, D; Benlloch, J; Benton, D; Beretvas, A; Berge, Jp; Bertolucci, S; Bhatti, A; Biery, K; Binkley, M; Bird, F; Bisello, D; Blair, Re; Blocker, C; Bodek, A; Bolognesi, V; Bortoletto, D; Boswell, C; Boulos, T; Brandenburg, G; Buckleygeer, E; Budd, Hs; Burkett, K; Busetto, G; Byonwagner, A; Byrum, Kl; Campagnari, C; Campbell, M; Caner, A; Carithers, W; Carlsmith, D; Castro, A; Cen, Y; Cervelli, F; Chapman, J; Chiarelli, G; Chikamatsu, T; Cihangir, S; Clark, Ag; Cobal, M; Contreras, M; Cooper, J; Cordelli, M; Coupal, Dp; Crane, D; Cunningham, Jd; Daniels, T; Dejongh, F; Dellagnello, S; Dellorso, M; Demortier, L; Denby, B; Deninno, M; Derwent, Pf; Devlin, T; Dickson, M; Donati, S; Done, Jp; Drucker, Rb; Dunn, A; Einsweiler, K; Elias, Je; Ely, R; Engels, E; Eno, S; Errede, D; Errede, S; Etchegoyen, A; Fan, Q; Farhat, B; Fiori, I; Flaugher, B; Foster, Gw; Franklin, M; Frautschi, M; Freeman, J; Friedman, J; Frisch, H; Fry, A; Fuess, Ta; Fukui, Y; Funaki, S; Gagliardi, G; Gallinaro, M; Garfinkel, Af; Geer, S; Gerdes, Dw; Giannetti, P; Giokaris, N; Giromini, P; Gladney, L; Glenzinski, D; Gold, M; Gonzalez, J; Gordon, A; Goshaw, At; Goulianos, K; Grassmann, H; Grewal, A; Grieco, G; Groer, L; Grossopilcher, C; Haber, C; Hahn, Sr; Hamilton, R; Handler, R; Hans, Rm; Hara, K; Harral, B; Harris, Rm; Hauger, Sa; Hauser, J; Hawk, C; Heinrich, J; Hennessy, D; Hollebeek, R; Holloway, L; Holscher, A; Hong, S; Houk, G; Hu, P; Huffman, Bt; Hughes, R; Hurst, P; Huston, J; Huth, J; Hylen, J; Ncagli, M; Incandela, J; Iso, H; Jensen, H; Jessop, Cp; Joshi, U; Kadel, Rw; Kajfasz, E; Kamon, T; Kaneko, T; Kardelis, Da; Kasha, H; Kato, Y; Keeble, L; Kennedy, Rd; Kephart, R; Kesten, P; Kestenbaum, D; Keup, Rm; Keutelian, H; Keyvan, F; Kim, Dh; Kim, Hs; Kim, Sb; Kim, Sh; Kim, Yk; Kirsch, L; Koehn, P; Kondo, K; Konigsberg, J; Kopp, S; Kordas, K; Koska, W; Kovacs, E; Krasberg, M; Kroll, J; Kruse, M; Kuhlmann, Se; Kuns, E; Laasanen, At; Lammel, S; Lamoureux, Ji; Lecompte, T; Leone, S; Lewis, Jd; Limon, P; Lindgren, M; Liss, Tm; Lockyer, N; Long, O; Loreti, M; Low, Eh; Lucchesi, D; Luchini, Cb; Lukens, P; Maas, P; Maeshima, K; Maghakian, A; Mangano, M; Mansour, J; Mariotti, M; Marriner, Jp; Martin, A; Matthews, Jaj; Mattingly, R; Mcintyre, P; Melese, P; Menzione, A; Meschi, E; Michail, G; Mikamo, S; Miller, M; Mimashi, T; Miscetti, S; Muller, T; Musgrave, P; Nakae, Lf; Nakano, I; Nelson, C; Neuberger, D; Newmanholmes, C; Nodulman, L; Ogawa, S; Ohl, Ke; Oishi, R; Okusawa, T; Pagliarone, C; Paoletti, R; Papadimitriou, V; Park, S; Patrick, J; Pauletta, G; Pescara, L; Peters, Md; Phillips, Tj; Piacentino, Giovanni Maria; Pillai, M; Plunkett, R; Pondrom, L; Produit, N; Proudfoot, J; Ptohos, F; Punzi, G; Ragan, K; Rimondi, F; Ristori, L; Roachbellino, M; Robertson, Wj; Rodrigo, T; Romano, J; Rosenson, L; Sakumoto, Wk; Saltzberg, D; Sansoni, A; Scarpine, V; Schindler, A; Schlabach, P; Schmidt, Ee; Schmidt, Mp; Schneider, O; Sciacca, Gf; Scribano, A; Segler, S; Seidel, S; Seiya, Y; Sganos, G; Shapiro, M; Shaw, Nm; Shen, Q; Shepard, Pf; Shimojima, M; Shochet, M; Siegrist, J; Sill, A; Sinervo, P; Singh, P; Skarha, J; Sliwa, K; Smith, Da; Snider, Fd; Song, L; Song, T; Spalding, J; Sphicas, P; Spies, A; Stanco, L; Steele, J; Stefanini, A; Strahl, K; Strait, J; Sullivan, G; Sumorok, K; Swartz, Rl; Takahashi, T; Takikawa, K; Tartarelli, F; Teramoto, Y; Tether, S; Theriot, D; Thomas, J; Thun, R; Timko, M; Tipton, P; Titov, A; Tkaczyk, S; Tollestrup, A; Tonnison, J; Detroconiz, Jf; Tseng, J; Turcotte, M; Turini, N; Uemura, N; Ukegawa, F; Unal, G; Vejcik, S; Vidal, R; Vondracek, M; Wagner, Rg; Wagner, Rl; Wainer, N; Walker, Rc; Wang, J; Wang, Qf; Warburton, A; Watts, G; Watts, T; Webb, R; Wendt, C; Wenzel, H; Wester, Wc; Westhusing, T; Wicklund, Ab; Wicklund, E; Wilkinson, R; Williams, Hh; Wilson, P; Winer, Bl; Wolinski, J; Wu, Dy; Wu, X; Wyss, J; Yagil, A; Yao, W; Yasuoka, K; Ye, Y; Yeh, Gp; Yin, M; Yoh, J; Yoshida, T; Yovanovitch, D; Yu, I; Yun, Jc; Zanetti, A; Zetti, F; Zhang, S; Zhang, W; Zucchelli, S.

doi:10.1103/PhysRevLett.72.3456

The lifetimes of the B+ and B0 mesons have been measured using fully reconstructed decays. In a sample of approximately 49 600 J/psi --> mu+mu- decays recorded with the Collider Detector at Fermilab, 148 +/- 16 B+ and 121 +/- 16 B0 mesons have been reconstructed using the silicon vertex detector. Unbinned likelihood fits to the proper lifetime distributions of these B mesons give tau+ = 1.61 +/- 0.16 (stat) +/- 0.05 (syst) ps, tau0 = 1.57 +/- 0.18 (stat) +/- 0.08 (syst) ps, and tau+/tau0 = 1.02 +/- 0.16 (stat) +/- 0.05 (syst). RI Chiarelli, Giorgio/E-8953-2012; Azzi, Patrizia/H-5404-2012

Digital Object Identifier (DOI):	10.1103/PhysRevLett.72.3456
Codice identificativo ISI:	WOS:A1994NN72700005
Codice identificativo Scopus:	2-s2.0-4243747646
Handle:	http://hdl.handle.net/11695/6611
Abstract:	The lifetimes of the B+ and B0 mesons have been measured using fully reconstructed decays. In a sample of approximately 49 600 J/psi --> mu+mu- decays recorded with the Collider Detector at Fermilab, 148 +/- 16 B+ and 121 +/- 16 B0 mesons have been reconstructed using the silicon vertex detector. Unbinned likelihood fits to the proper lifetime distributions of these B mesons give tau+ = 1.61 +/- 0.16 (stat) +/- 0.05 (syst) ps, tau0 = 1.57 +/- 0.18 (stat) +/- 0.08 (syst) ps, and tau+/tau0 = 1.02 +/- 0.16 (stat) +/- 0.05 (syst). RI Chiarelli, Giorgio/E-8953-2012; Azzi, Patrizia/H-5404-2012
Titolo:	MEASUREMENT OF THE B+ AND B0 MESON LIFETIMES
Autori:	ABE F ALBROW M AMIDEI D ANWAYWIESE C APOLLINARI G ARETI H AUCHINCLOSS P AZFAR F AZZI P BACCHETTA N BADGETT W BAILEY MW BAO J DEBARBARO P BARBAROGALTIERI A BARNES VE BARNETT BA BARTALINI P BAUER G BAUMANN T BEDESCHI F BEHRENDS S BELFORTE S BELLETTINI G BELLINGER J BENJAMIN D BENLLOCH J BENTON D BERETVAS A BERGE JP BERTOLUCCI S BHATTI A BIERY K BINKLEY M BIRD F BISELLO D BLAIR RE BLOCKER C BODEK A BOLOGNESI V BORTOLETTO D BOSWELL C BOULOS T BRANDENBURG G BUCKLEYGEER E BUDD HS BURKETT K BUSETTO G BYONWAGNER A BYRUM KL CAMPAGNARI C CAMPBELL M CANER A CARITHERS W CARLSMITH D CASTRO A CEN Y CERVELLI F CHAPMAN J CHIARELLI G CHIKAMATSU T CIHANGIR S CLARK AG COBAL M CONTRERAS M COOPER J CORDELLI M COUPAL DP CRANE D CUNNINGHAM JD DANIELS T DEJONGH F DELLAGNELLO S DELLORSO M DEMORTIER L DENBY B DENINNO M DERWENT PF DEVLIN T DICKSON M DONATI S DONE JP DRUCKER RB DUNN A EINSWEILER K ELIAS JE ELY R ENGELS E ENO S ERREDE D ERREDE S ETCHEGOYEN A FAN Q FARHAT B FIORI I FLAUGHER B FOSTER GW FRANKLIN M FRAUTSCHI M FREEMAN J FRIEDMAN J FRISCH H FRY A FUESS TA FUKUI Y FUNAKI S GAGLIARDI G GALLINARO M GARFINKEL AF GEER S GERDES DW GIANNETTI P GIOKARIS N GIROMINI P GLADNEY L GLENZINSKI D GOLD M GONZALEZ J GORDON A GOSHAW AT GOULIANOS K GRASSMANN H GREWAL A GRIECO G GROER L GROSSOPILCHER C HABER C HAHN SR HAMILTON R HANDLER R HANS RM HARA K HARRAL B HARRIS RM HAUGER SA HAUSER J HAWK C HEINRICH J HENNESSY D HOLLEBEEK R HOLLOWAY L HOLSCHER A HONG S HOUK G HU P HUFFMAN BT HUGHES R HURST P HUSTON J HUTH J HYLEN J NCAGLI M INCANDELA J ISO H JENSEN H JESSOP CP JOSHI U KADEL RW KAJFASZ E KAMON T KANEKO T KARDELIS DA KASHA H KATO Y KEEBLE L KENNEDY RD KEPHART R KESTEN P KESTENBAUM D KEUP RM KEUTELIAN H KEYVAN F KIM DH KIM HS KIM SB KIM SH KIM YK KIRSCH L KOEHN P KONDO K KONIGSBERG J KOPP S KORDAS K KOSKA W KOVACS E KRASBERG M KROLL J KRUSE M KUHLMANN SE KUNS E LAASANEN AT LAMMEL S LAMOUREUX JI LECOMPTE T LEONE S LEWIS JD LIMON P LINDGREN M LISS TM LOCKYER N LONG O LORETI M LOW EH LUCCHESI D LUCHINI CB LUKENS P MAAS P MAESHIMA K MAGHAKIAN A MANGANO M MANSOUR J MARIOTTI M MARRINER JP MARTIN A MATTHEWS JAJ MATTINGLY R MCINTYRE P MELESE P MENZIONE A MESCHI E MICHAIL G MIKAMO S MILLER M MIMASHI T MISCETTI S MULLER T MUSGRAVE P NAKAE LF NAKANO I NELSON C NEUBERGER D NEWMANHOLMES C NODULMAN L OGAWA S OHL KE OISHI R OKUSAWA T PAGLIARONE C PAOLETTI R PAPADIMITRIOU V PARK S PATRICK J PAULETTA G PESCARA L PETERS MD PHILLIPS TJ PIACENTINO, Giovanni Maria PILLAI M PLUNKETT R PONDROM L PRODUIT N PROUDFOOT J PTOHOS F PUNZI G RAGAN K RIMONDI F RISTORI L ROACHBELLINO M ROBERTSON WJ RODRIGO T ROMANO J ROSENSON L SAKUMOTO WK SALTZBERG D SANSONI A SCARPINE V SCHINDLER A SCHLABACH P SCHMIDT EE SCHMIDT MP SCHNEIDER O SCIACCA GF SCRIBANO A SEGLER S SEIDEL S SEIYA Y SGANOS G SHAPIRO M SHAW NM SHEN Q SHEPARD PF SHIMOJIMA M SHOCHET M SIEGRIST J SILL A SINERVO P SINGH P SKARHA J SLIWA K SMITH DA SNIDER FD SONG L SONG T SPALDING J SPHICAS P SPIES A STANCO L STEELE J STEFANINI A STRAHL K STRAIT J SULLIVAN G SUMOROK K SWARTZ RL TAKAHASHI T TAKIKAWA K TARTARELLI F TERAMOTO Y TETHER S THERIOT D THOMAS J THUN R TIMKO M TIPTON P TITOV A TKACZYK S TOLLESTRUP A TONNISON J DETROCONIZ JF TSENG J TURCOTTE M TURINI N UEMURA N UKEGAWA F UNAL G VEJCIK S VIDAL R VONDRACEK M WAGNER RG WAGNER RL WAINER N WALKER RC WANG J WANG QF WARBURTON A WATTS G WATTS T WEBB R WENDT C WENZEL H WESTER WC WESTHUSING T WICKLUND AB WICKLUND E WILKINSON R WILLIAMS HH WILSON P WINER BL WOLINSKI J WU DY WU X WYSS J YAGIL A YAO W YASUOKA K YE Y YEH GP YIN M YOH J YOSHIDA T YOVANOVITCH D YU I YUN JC ZANETTI A ZETTI F ZHANG S ZHANG W ZUCCHELLI S. mostra contributor esterni nascondi contributor esterni
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