Measurement of the gamma gamma* -> eta c transition form factor

Lees, Jp; Poireau, V; Prencipe, E; Tisserand, V; Tico, Jg; Grauges, E; Martinelli, M; Palano, A; Pappagallo, M; Eigen, G; Stugu, B; Sun, L; Battaglia, M; Brown, Dn; Hooberman, B; Kerth, Lt; Kolomensky, Yg; Lynch, G; Osipenkov, Il; Tanabe, T; Hawkes, Cm; Soni, N; Watson, At; Koch, H; Schroeder, T; Asgeirsson, Dj; Hearty, C; Mattison, Ts; McKenna, Ja; Barrett, M; Khan, A; Randle-Conde, A; Blinov, Ve; Buzykaev, Ar; Druzhinin, Vp; Golubev, Vb; Onuchin, Ap; Serednyakov, Si; Skovpen, Yi; Solodov, Ep; Todyshev, Ky; Yushkov, An; Bondioli, M; Curry, S; Kirkby, D; Lankford, Aj; Lund, P; Mandelkern, M; Martin, Ec; Stoker, Dp; Atmacan, H; Gary, Jw; Liu, F; Long, O; Vitug, Gm; Yasin, Z; Sharma, V; Campagnari, C; Hong, Tm; Kovalskyi, D; Richman, Jd; Eisner, Am; Heusch, Ca; Kroseberg, J; Lockman, Ws; Martinez, Aj; Schalk, T; Schumm, Ba; Seiden, A; Winstrom, Lo; Cheng, Ch; Doll, Da; Echenard, B; Hitlin, Dg; Ongmongkolkul, P; Porter, Fc; Rakitin, Ay; Andreassen, R; Dubrovin, Ms; Mancinelli, G; Meadows, Bt; 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LoSecco, Jm; Wang, Wf; Corwin, La; Honscheid, K; Kass, R; Morris, Jp; Rahimi, Am; Sekula, Sj; Blount, Nl; Brau, J; Frey, R; Igonkina, O; Kolb, Ja; Lu, M; Rahmat, R; Sinev, Nb; Strom, D; Strube, J; Torrence, E; Castelli, G; Gagliardi, N; Margoni, M; Morandin, M; Posocco, M; Rotondo, M; Simonetto, F; Stroili, R; Sanchez, Pd; Ben-Haim, E; Bonneaud, Gr; Briand, H; Chauveau, J; Hamon, O; Leruste, P; Marchiori, G; Ocariz, J; Perez, A; Prendki, J; Sitt, S; Biasini, M; Manoni, E; Angelini, C; Batignani, G; Bettarini, S; Calderini, G; Carpinelli, M; Cervelli, A; Forti, F; Giorgi, Ma; Lusiani, A; Neri, N; Paoloni, E; Rizzo, G; Walsh, Jj; Pegna, Dl; Lu, C; Olsen, J; Smith, Ajs; Telnov, Av; Anulli, F; Baracchini, E; Cavoto, G; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Jackson, Pd; Gioi, Ll; Mazzoni, Ma; Piredda, G; Renga, F; Ebert, M; Hartmann, T; Leddig, T; Schroder, H; Waldi, R; Adye, T; Franek, B; Olaiya, Eo; Wilson, Ff; Emery, S; de Monchenault GH,; Vasseur, G; Yeche, C; Zito, M; Allen, Mt; 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doi:10.1103/PhysRevD.81.052010

We study the reaction e(+)e(-) -> e(+)e(-) eta(c), eta(c) -> K(S)K(+/-)pi(-/+) and obtain eta(c) mass and width values 2982.2 +/- 0.4 +/- 1.6 MeV/c(2) and 31.7 +/- 1.2 +/- 0.8 MeV, respectively. We find Gamma(eta(c) -> gamma gamma)B(eta(c) -> KK pi) = 0.374 +/- 0.009 +/- 0.031 keV, and measure the gamma gamma* -> eta(c) transition form factor in the momentum transfer range from 2 to 50 GeV(2). The analysis is based on 469 fb(-1) of integrated luminosity collected at PEP-II with the BABAR detector at e(+)e(-) center-of-mass energies near 10.6 GeV.

Titolo:	Measurement of the gamma gamma* -> eta c transition form factor
Autori:	Lees JP Poireau V Prencipe E Tisserand V Tico JG Grauges E Martinelli M Palano A Pappagallo M Eigen G Stugu B Sun L Battaglia M Brown DN Hooberman B Kerth LT Kolomensky YG Lynch G Osipenkov IL Tanabe T Hawkes CM Soni N Watson AT Koch H Schroeder T Asgeirsson DJ Hearty C Mattison TS McKenna JA Barrett M Khan A Randle-Conde A Blinov VE Buzykaev AR Druzhinin VP Golubev VB Onuchin AP Serednyakov SI Skovpen YI Solodov EP Todyshev KY Yushkov AN Bondioli M Curry S Kirkby D Lankford AJ Lund P Mandelkern M Martin EC Stoker DP Atmacan H Gary JW Liu F Long O Vitug GM Yasin Z Sharma V Campagnari C Hong TM Kovalskyi D Richman JD Eisner AM Heusch CA Kroseberg J Lockman WS Martinez AJ Schalk T Schumm BA Seiden A Winstrom LO Cheng CH Doll DA Echenard B Hitlin DG Ongmongkolkul P Porter FC Rakitin AY Andreassen R Dubrovin MS Mancinelli G Meadows BT Sokoloff MD Bloom PC Ford WT Gaz A Hirschauer JF Nagel M Nauenberg U Smith JG Wagner SR Ayad R Toki WH Feltresi E Hauke A Jasper H Karbach TM Merkel J Petzold A Spaan B Wacker K Kobel MJ Schubert KR Schwierz R Bernard D Verderi M Clark PJ Playfer S Watson JE Andreotti M Bettoni D Bozzi C Calabrese R Cecchi A Cibinetto G Fioravanti E Franchini P Luppi E Munerato M Negrini M Petrella A Piemontese L Santoro V Baldini-Ferroli R Calcaterra A de Sangro R Finocchiaro G Nicolaci M Pacetti S Patteri P Peruzzi IM Piccolo M Rama M Zallo A Contri R Guido E Lo Vetere M Monge MR Passaggio S Patrignani C Robutti E Tosi S Bhuyan B Morii M Adametz A Marks J Schenk S Uwer U Bernlochner FU Lacker HM Lueck T Volk A Dauncey PD Tibbetts M Behera PK Mallik U Chen C Cochran J Crawley HB Dong L Meyer WT Prell S Rosenberg EI Rubin AE Gao YY Gritsan AV Guo ZJ Arnaud N Davier M Derkach D da Costa JF Grosdidier G Le Diberder F Lutz AM Malaescu B Roudeau P Schune MH Serrano J Sordini V Stocchi A Wang L Wormser G Lange DJ Wright DM Bingham I Burke JP Chavez CA Fry JR Gabathuler E Gamet R Hutchcroft DE Payne DJ Touramanis C Bevan AJ Di Lodovico F Sacco R Sigamani M Cowan G Paramesvaran S Wren AC Brown DN Davis CL Denig AG Fritsch M Gradl W Hafner A Alwyn KE Bailey D Barlow RJ Jackson G Lafferty GD West TJ Anderson J Jawahery A Roberts DA Simi G Tuggle JM Dallapiccola C Salvati E Cowan R Dujmic D Fisher PH Sciolla G Yamamoto RK Zhao M Patel PM Robertson SH Schram M Biassoni P Lazzaro A Lombardo V Palombo F Stracka S Cremaldi L Godang R Kroeger R Sonnek P Summers DJ Zhao HW Nguyen X Simard M Taras P De Nardo G Monorchio D Onorato G Sciacca C Raven G Snoek HL Jessop CP Knoepfel KJ LoSecco JM Wang WF Corwin LA Honscheid K Kass R Morris JP Rahimi AM Sekula SJ Blount NL Brau J Frey R Igonkina O Kolb JA Lu M Rahmat R Sinev NB Strom D Strube J Torrence E Castelli G Gagliardi N Margoni M Morandin M Posocco M Rotondo M Simonetto F Stroili R Sanchez PD Ben-Haim E Bonneaud GR Briand H Chauveau J Hamon O Leruste P Marchiori G Ocariz J Perez A Prendki J Sitt S Biasini M Manoni E Angelini C Batignani G Bettarini S Calderini G Carpinelli M Cervelli A Forti F Giorgi MA Lusiani A Neri N Paoloni E Rizzo G Walsh JJ Pegna DL Lu C Olsen J Smith AJS Telnov AV Anulli F BARACCHINI, ELISABETTA Cavoto G Faccini R Ferrarotto F FERRONI, Fernando Gaspero M Jackson PD Gioi LL Mazzoni MA Piredda G Renga F Ebert M Hartmann T Leddig T Schroder H Waldi R Adye T Franek B Olaiya EO Wilson FF Emery S de Monchenault GH Vasseur G Yeche C Zito M Allen MT Aston D Bard DJ Bartoldus R Benitez JF Cartaro C Cenci R Coleman JP Convery MR Dingfelder JC Dorfan J Dubois-Felsmann GP Dunwoodie W Field RC Sevilla MF Fulsom BG Gabareen AM Graham MT Grenier P Hast C Innes WR Kaminski J Kelsey MH Kim H Kim P Kocian ML Leith DWGS Li S Lindquist B Luitz S Luth V Lynch HL MacFarlane DB Marsiske H Messner R Muller DR Neal H Nelson S O'Grady CP Ofte I Perl M Ratcliff BN Roodman A Salnikov AA Schindler RH Schwiening J Snyder A Su D Sullivan MK Suzuki K Swain SK Thompson JM Va'vra J Wagner AP Weaver M West CA Wisniewski WJ Wittgen M Wright DH Wulsin HW Yarritu AK Young CC Ziegler V Chen XR Liu H Park W Purohit MV White RM Wilson JR Bellis M Burchat PR Edwards AJ Miyashita TS Ahmed S Alam MS Ernst JA Pan B Saeed MA Zain SB Guttman N Soffer A Spanier SM Wogsland BJ Eckmann R Ritchie JL Ruland AM Schilling CJ Schwitters RF Wray BC Izen JM Lou XC Bianchi F Gamba D Pelliccioni M Bomben M Della Ricca G Lanceri L Vitale L Azzolini V Lopez-March N Martinez-Vidal F Milanes DA Oyanguren A Albert J Banerjee S Choi HHF Hamano K King GJ Kowalewski R Lewczuk MJ Nugent IM Roney JM Sobie RJ Gershon TJ Harrison PF Ilic J Latham TE Mohanty GB Puccio EMT Band HR Chen X Dasu S Flood KT Pan Y Prepost R Vuosalo CO Wu SL mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2010
Rivista:	PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Handle:	http://hdl.handle.net/20.500.12571/1653
Appare nelle tipologie:	1.1 Articolo in rivista

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