We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBar detector at the PEP-II asymmetric B factory. We measure the branching fractions BR(B+ -> rho+ gamma) = (1.10 +0.37/-0.33 +/- 0.09) x 10-6 and BR(B0 -> rho0 gamma) = (0.79 +0.22/-0.20 +/- 0.06) x 10-6, and set a 90% C.L. upper limit BR(B0 -> omega gamma) < 0.78 x 10-6. We also measure the isospin-averaged branching fraction BR(B->rho/omega gamma) = (1.25 +0.25/-0.24 +/- 0.09) x 10-6, from which we determine |Vtd/Vts| = 0.200 +0.021/-0.020 +/- 0.015, where the first uncertainty is experimental and the second is theoretical.

Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma / B. AUBERT, R. BARATE, D. BOUTIGNY, F. COUDERC, Y. KARYOTAKIS, J.P. LEES, V. POIREAU, V. TISSERAND, A. ZGHICHE, E. GRAUGES, A. PALANO, M. PAPPAGALLO, A. POMPILI, J.C. CHEN, N.D. QI, G. RONG, P. WANG, Y.S. ZHU, G. EIGEN, I. OFTE, B. STUGU, G.S. ABRAMS, M. BATTAGLIA, D. BEST, A.B. BREON, D.N. BROWN, J. BUTTON-SHAFER, R.N. CAHN, E. CHARLES, C.T. DAY, M.S. GILL, A.V. GRITSAN, Y. GROYSMAN, R.G. JACOBSEN, R.W. KADEL, J. KADYK, L.T. KERTH, Y.G. KOLOMENSKY, G. KUKARTSEV, G. LYNCH, L.M. MIR, P.J. ODDONE, T.J. ORIMOTO, M. PRIPSTEIN, N.A. ROE, M.T. RONAN, W.A. WENZEL, M. BARRETT, K.E. FORD, T.J. HARRISON, A.J. HART, C.M. HAWKES, S.E. MORGAN, A.T. WATSON, M. FRITSCH, K. GOETZEN, T. HELD, H. KOCH, B. LEWANDOWSKI, M. PELIZAEUS, K. PETERS, T. SCHROEDER, M. STEINKE, J.T. BOYD, J.P. BURKE, N. CHEVALIER, W.N. COTTINGHAM, T. CUHADAR-DONSZELMANN, B.G. FULSOM, C. HEARTY, N.S. KNECHT, T.S. MATTISON, J.A. MCKENNA, A. KHAN, P. KYBERD, M. SALEEM, L. TEODORESCU, A.E. BLINOV, V.E. BLINOV, A.D. BUKIN, V.P. DRUZHININ, V.B. GOLUBEV, E.A. KRAVCHENKO, A.P. ONUCHIN, S.I. SEREDNYAKOV, Y.I. SKOVPEN, E.P. SOLODOV, A.N. YUSHKOV, M. BONDIOLI, M. BRUINSMA, M. CHAO, S. CURRY, I. ESCHRICH, D. KIRKBY, A.J. LANKFORD, P. LUND, M. MANDELKERN, R.K. MOMMSEN, W. ROETHEL, D.P. STOKER, C. BUCHANAN, B.L. HARTFIEL, S.D. FOULKES, J.W. GARY, O. LONG, B.C. SHEN, K. WANG, L. ZHANG, D. DEL RE, H.K. HADAVAND, E.J. HILL, D.B. MACFARLANE, H.P. PAAR, S. RAHATLOU, V. SHARMA, J.W. BERRYHILL, C. CAMPAGNARI, A. CUNHA, B. DAHMES, T.M. HONG, M.A. MAZUR, J.D. RICHMAN, W. VERKERKE, T.W. BECK, A.M. EISNER, C.J. FLACCO, C.A. HEUSCH, J. KROSEBERG, W.S. LOCKMAN, G. NESOM, T. SCHALK, B.A. SCHUMM, A. SEIDEN, P. SPRADLIN, D.C. WILLIAMS, M.G. WILSON, J. ALBERT, E. CHEN, G.P. DUBOIS-FELSMANN, A. DVORETSKII, D.G. HITLIN, J.S. MINAMORA, I. NARSKY, T. PIATENKO, F.C. PORTER, A. RYD, A. SAMUEL, R. ANDREASSEN, G. MANCINELLI, B.T. MEADOWS, M.D. SOKOLOFF, F. BLANC, P.C. BLOOM, S. CHEN, W.T. FORD, J.F. HIRSCHAUER, A. KREISEL, U. NAUENBERG, A. OLIVAS, W.O. RUDDICK, J.G. SMITH, K.A. ULMER, S.R. WAGNER, J. ZHANG, A. CHEN, E.A. ECKHART, A. SOFFER, W.H. TOKI, R.J. WILSON, Q. ZENG, D. ALTENBURG, E. FELTRESI, A. HAUKE, B. SPAAN, T. BRANDT, J. BROSE, M. DICKOPP, V. KLOSE, H.M. LACKER, R. NOGOWSKI, S. OTTO, A. PETZOLD, J. SCHUBERT, K.R. SCHUBERT, R. SCHWIERZ, J.E. SUNDERMANN, D. BERNARD, G.R. BONNEAUD, P. GRENIER, S. SCHRENK, C. THIEBAUX, G. VASILEIADIS, M. VERDERI, D.J. BARD, P.J. CLARK, W. GRADL, F. MUHEIM, S. PLAYFER, Y. XIE, M. ANDREOTTI, D. BETTONI, C. BOZZI, R. CALABRESE, G. CIBINETTO, E. LUPPI, M. NEGRINI, L. PIEMONTESE, F. ANULLI, R. BALDINI-FERROLI, A. CALCATERRA, R. DE SANGRO, G. FINOCCHIARO, P. PATTERI, I.M. PERUZZI, M. PICCOLO, A. ZALLO, A. BUZZO, R. CAPRA, R. CONTRI, M.L. VETERE, M.M. MACRI, M.R. MONGE, S. PASSAGGIO, C. PATRIGNANI, E. ROBUTTI, A. SANTRONI, S. TOSI, G. BRANDENBURG, K.S. CHAISANGUANTHUM, M. MORII, E. WON, J. WU, R.S. DUBITZKY, U. LANGENEGGER, J. MARKS, S. SCHENK, U. UWER, W. BHIMJI, D.A. BOWERMAN, P.D. DAUNCEY, U. EGEDE, R.L. FLACK, J.R. GAILLARD, J.A. NASH, M.B. NIKOLICH, W.P. VAZQUEZ, X. CHAI, M.J. CHARLES, W.F. MADER, U. MALLIK, V. ZIEGLER, J. COCHRAN, H.B. CRAWLEY, V. EYGES, W.T. MEYER, S. PRELL, E.I. ROSENBERG, A.E. RUBIN, J.I. YI, G. SCHOTT, N. ARNAUD, M. DAVIER, X. GIROUX, G. GROSDIDIER, A. HOCKER, F.L. DIBERDER, V. LEPELTIER, A.M. LUTZ, A. OYANGUREN, T.C. PETERSEN, S. PLASZCZYNSKI, S. RODIER, P. ROUDEAU, M.H. SCHUNE, A. STOCCHI, G. WORMSER, C.H. CHENG, D.J. LANGE, M.C. SIMANI, D.M. WRIGHT, A.J. BEVAN, C.A. CHAVEZ, I.J. FORSTER, J.R. FRY, E. GABATHULER, R. GAMET, K.A. GEORGE, D.E. HUTCHCROFT, R.J. PARRY, D.J. PAYNE, K.C. SCHOFIELD, C. TOURAMANIS, C.M. CORMACK, F.D. LODOVICO, W. MENGES, R. SACCO, C.L. BROWN, G. COWAN, H.U. FLAECHER, M.G. GREEN, D.A. HOPKINS, P.S. JACKSON, T.R. MCMAHON, S. RICCIARDI, F. SALVATORE, D.N. BROWN, C.L. DAVIS, J. ALLISON, N.R. BARLOW, R.J. BARLOW, C.L. EDGAR, M.C. HODGKINSON, M.P. KELLY, G.D. LAFFERTY, M.T. NAISBIT, J.C. WILLIAMS, C. CHEN, W.D. HULSBERGEN, A. JAWAHERY, D. KOVALSKYI, C.K. LAE, D.A. ROBERTS, G. SIMI, G. BLAYLOCK, C. DALLAPICCOLA, S.S. HERTZBACH, R. KOFLER, X. LI, T.B.MOORE, S. SAREMI, H. STAENGLE, S.Y. WILLOCQ, R. COWAN, K. KOENEKE, G. SCIOLLA, S.J. SEKULA, M. SPITZNAGEL, F. TAYLOR, R.K. YAMAMOTO, H. KIM, P.M. PATEL, S.H. ROBERTSON, A. LAZZARO, V. LOMBARDO, F. PALOMBO, J.M. BAUER, L. CREMALDI, V. ESCHENBURG, R. GODANG, R. KROEGER, J. REIDY, D.A. SANDERS, D.J. SUMMERS, H.W. ZHAO, S. BRUNET, D. COTE, P. TARAS, F.B. VIAUD, H. NICHOLSON, N. CAVALLO, G.D. NARDO, F. FABOZZI, C. GATTO, L. LISTA, D. MONORCHIO, P. PAOLUCCI, D. PICCOLO, C. SCIACCA, M. BAAK, H. BULTEN, G. RAVEN, H.L. SNOEK, L. WILDEN, C.P. JESSOP, J.M. LOSECCO, T. ALLMENDINGER, G. BENELLI, K.K. GAN, K. HONSCHEID, D. HUFNAGEL, P.D. JACKSON, H. KAGAN, R. KASS, T. PULLIAM, A.M. RAHIMI, R. TER-ANTONYAN, Q.K. WONG, N.L. BLOUNT, J. BRAU, R. FREY, O. IGONKINA, M. LU, C.T. POTTER, R. RAHMAT, N.B. SINEV, D. STROM, J. STRUBE, E. TORRENCE, F. GALEAZZI, M. MARGONI, M. MORANDIN, M. POSOCCO, M. ROTONDO, F. SIMONETTO, R. STROILI, C. VOCI, M. BENAYOUN, H. BRIAND, J. CHAUVEAU, P. DAVID, L.D. BUONO, C. DE LA VAISSIERE, O. HAMON, M.J.J. JOHN, P. LERUSTE, J. MALCLES, J. OCARIZ, L. ROOS, G. THERIN, P.K. BEHERA, L. GLADNEY, Q.H. GUO, J. PANETTA, M. BIASINI, R. COVARELLI, S. PACETTI, M. PIOPPI, C. ANGELINI, G. BATIGNANI, S. BETTARINI, F. BUCCI, G. CALDERINI, M. CARPINELLI, R. CENCI, F. FORTI, M.A. GIORGI, A. LUSIANI, G. MARCHIORI, M. MORGANTI, N. NERI, E. PAOLONI, M. RAMA, G. RIZZO, J. WALSH, M. HAIRE, D. JUDD, D.E. WAGONER, J. BIESIADA, N. DANIELSON, P. ELMER, Y.P. LAU, C. LU, J. OLSEN, A.J.S. SMITH, A.V. TELNOV, F. BELLINI, G. CAVOTO, A. D'ORAZIO, E. DI MARCO, R. FACCINI, F. FERRAROTTO, F. FERRONI, M. GASPERO, L. LI GIOI, M.A. MAZZONI, S. MORGANTI, G. PIREDDA, F. POLCI, F.S. TEHRANI, C. VOENA, H. SCHRODER, R. WALDI, T. ADYE, N. DE GROOT, B. FRANEK, G.P. GOPAL, E.O. OLAIYA, F.F. WILSON, R. ALEKSAN, S. EMERY, A. GAIDOT, S.F. GANZHUR, G. GRAZIANI, G.H. DE MONCHENAULT, W. KOZANECKI, M. LEGENDRE, G.W. LONDON, B. MAYER, G. VASSEUR, C. YECHE, M. ZITO, M.V. PUROHIT, A.W. WEIDEMANN, J.R. WILSON, F.X. YUMICEVA, T. ABE, M.T. ALLEN, D. ASTON, R. BARTOLDUS, N. BERGER, A.M. BOYARSKI, O.L. BUCHMUELLER, R. CLAUS, J.P. COLEMAN, M.R. CONVERY, M. CRISTINZIANI, J.C. DINGFELDER, D. DONG, J. DORFAN, D. DUJMIC, W. DUNWOODIE, S. FAN, R.C. FIELD, T. GLANZMAN, S.J. GOWDY, T. HADIG, V. HALYO, C. HAST, T. HRYN'OVA, W.R. INNES, M.H. KELSEY, P. KIM, M.L. KOCIAN, D.W.G.S. LEITH, J. LIBBY, S. LUITZ, V. LUTH, H.L. LYNCH, H. MARSISKE, R. MESSNER, D.R. MULLER, C.P. O'GRADY, V.E. OZCAN, A. PERAZZO, M. PERL, B.N. RATCLIFF, A. ROODMAN, A.A. SALNIKOV, R.H. SCHINDLER, J. SCHWIENING, A. SNYDER, J. STELZER, D. SU, M.K. SULLIVAN, K. SUZUKI, S.K. SWAIN, J.M. THOMPSON, J. VA'VRA, N. VAN BAKEL, M. WEAVER, A.J.R. WEINSTEIN, W.J. WISNIEWSKI, M. WITTGEN, D.H. WRIGHT, A.K. YARRITU, K. YI, C.C. YOUNG, P.R. BURCHAT, A.J. EDWARDS, S.A. MAJEWSKI, B.A. PETERSEN, C. ROAT, M. AHMED, S. AHMED, M.S. ALAM, R. BULA, J.A. ERNST, M.A. SAEED, F.R. WAPPLER, S.B. ZAIN, W. BUGG, M. KRISHNAMURTHY, S.M. SPANIER, R. ECKMANN, J.L. RITCHIE, A. SATPATHY, R.F. SCHWITTERS, J.M. IZEN, I. KITAYAMA, X.C. LOU, S. YE, F. BIANCHI, M. BONA, F. GALLO, D. GAMBA, M. BOMBEN, L. BOSISIO, C. CARTARO, F. COSSUTTI, G. DELLA RICCA, S. DITTONGO, S. GRANCAGNOLO, L. LANCERI, L. VITALE, V. AZZOLINI, F. MARTINEZ-VIDAL, R.S. PANVINI, S. BANERJEE, B. BHUYAN, C.M. BROWN, D. FORTIN, K. HAMANO, R. KOWALEWSKI, J.M. RONEY, R.J. SOBIE, J.J. BACK, P.F. HARRISON, T.E. LATHAM, G.B. MOHANTY, H.R. BAND, X. CHEN, B. CHENG, S. DASU, M. DATTA, A.M. EICHENBAUM, K.T. FLOOD, M.T. GRAHAM, J.J. HOLLAR, J.R. JOHNSON, P.E. KUTTER, H. LI, R. LIU, B. MELLADO, A. MIHALYI, A.K. MOHAPATRA, Y. PAN, M. PIERINI, R. PREPOST, P. TAN, S.L. WU, Z. YU, H. NEAL. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 98:15(2007), pp. 151802.151802-1-151802.151802-7.

Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma

A. LAZZARO;V. LOMBARDO;F. PALOMBO;N. NERI;
2007

Abstract

We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBar detector at the PEP-II asymmetric B factory. We measure the branching fractions BR(B+ -> rho+ gamma) = (1.10 +0.37/-0.33 +/- 0.09) x 10-6 and BR(B0 -> rho0 gamma) = (0.79 +0.22/-0.20 +/- 0.06) x 10-6, and set a 90% C.L. upper limit BR(B0 -> omega gamma) < 0.78 x 10-6. We also measure the isospin-averaged branching fraction BR(B->rho/omega gamma) = (1.25 +0.25/-0.24 +/- 0.09) x 10-6, from which we determine |Vtd/Vts| = 0.200 +0.021/-0.020 +/- 0.015, where the first uncertainty is experimental and the second is theoretical.
Radiative B decays
Settore FIS/01 - Fisica Sperimentale
2007
http://link.aps.org/abstract/PRL/v98/e151802
Article (author)
File in questo prodotto:
Non ci sono file associati a questo prodotto.
Pubblicazioni consigliate

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/39564
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 37
  • ???jsp.display-item.citation.isi??? 24
social impact