Measurement of the D0 \u2192\u3c0-e+\u3bde differential decay branching fraction as a function of q2 and study of form factor parametrizations
- Lees, J.P.
- Poireau, V.
- Tisserand, V.
- Grauges, E.
- Palano, A.
- Eigen, G.
- Stugu, B.
- Brown, D.N.
- Kerth, L.T.
- Kolomensky, Yu.G.
- Lee, M.J.
- Lynch, G.
- Koch, H.
- Schroeder, T.
- Hearty, C.
- Mattison, T.S.
- Mckenna, J.A.
- So, R.Y.
- Khan, A.
- Blinov, V.E.
- Buzykaev, A.R.
- Druzhinin, V.P.
- Golubev, V.B.
- Kravchenko, E.A.
- Onuchin, A.P.
- Serednyakov, S.I.
- Skovpen, Yu.I.
- Solodov, E.P.
- Todyshev, K.Yu.
- Lankford, A.J.
- Mandelkern, M.
- Dey, B.
- Gary, J.W.
- Long, O.
- Campagnari, C.
- Franco Sevilla, M.
- Hong, T.M.
- Kovalskyi, D.
- Richman, J.D.
- West, C.A.
- Eisner, A.M.
- Lockman, W.S.
- Panduro Vazquez, W.
- Schumm, B.A.
- Seiden, A.
- Chao, D.S.
- Cheng, C.H.
- Echenard, B.
- Flood, K.T.
- Hitlin, D.G.
- Miyashita, T.S.
- Ongmongkolkul, P.
- Porter, F.C.
- R\uf6hrken, M.
- Andreassen, R.
- Huard, Z.
- Meadows, B.T.
- Pushpawela, B.G.
- Sokoloff, M.D.
- Sun, L.
- Bloom, P.C.
- Ford, W.T.
- Gaz, A.
- Smith, J.G.
- Wagner, S.R.
- Ayad, R.
- Toki, W.H.
- Spaan, B.
- Bernard, D.
- Verderi, M.
- Playfer, S.
- Bettoni, D.
- Bozzi, C.
- Calabrese, R.
- Cibinetto, G.
- Fioravanti, E.
- Garzia, I.
- Luppi, E.
- Piemontese, L.
- Santoro, V.
- Calcaterra, A.
- De Sangro, R.
- Finocchiaro, G.
- Martellotti, S.
- Patteri, P.
- Peruzzi, I.M.
- Piccolo, M.
- Rama, M.
- Zallo, A.
- Contri, R.
- Lo Vetere, M.
- Monge, M.R.
- Passaggio, S.
- Patrignani, C.
- Robutti, E.
- Bhuyan, B.
- Prasad, V.
- Adametz, A.
- Uwer, U.
- Lacker, H.M.
- Dauncey, P.D.
- Mallik, U.
- Chen, C.
- Cochran, J.
- Prell, S.
- Ahmed, H.
- Gritsan, A.V.
- Arnaud, N.
- Davier, M.
- Derkach, D.
- Grosdidier, G.
- Le Diberder, F.
- Lutz, A.M.
- Malaescu, B.
- Roudeau, P.
- Stocchi, A.
- Wormser, G.
- Lange, D.J.
- Wright, D.M.
- Coleman, J.P.
- Fry, J.R.
- Gabathuler, E.
- Hutchcroft, D.E.
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- Touramanis, C.
- Bevan, A.J.
- Di Lodovico, F.
- Sacco, R.
- Cowan, G.
- Bougher, J.
- Brown, D.N.
- Davis, C.L.
- Denig, A.G.
- Fritsch, M.
- Gradl, W.
- Griessinger, K.
- Hafner, A.
- Schubert, K.R.
- Barlow, R.J.
- Lafferty, G.D.
- Cenci, R.
- Hamilton, B.
- Jawahery, A.
- Roberts, D.A.
- Cowan, R.
- Sciolla, G.
- Cheaib, R.
- Patel, P.M.
- Robertson, S.H.
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- Palombo, F.
- Cremaldi, L.
- Godang, R.
- Sonnek, P.
- Summers, D.J.
- Simard, M.
- Taras, P.
- De Nardo, G.
- Onorato, G.
- Sciacca, C.
- Martinelli, M.
- Raven, G.
- Jessop, C.P.
- Losecco, J.M.
- Honscheid, K.
- Kass, R.
- Feltresi, E.
- Margoni, M.
- Morandin, M.
- Posocco, M.
- Rotondo, M.
- Simi, G.
- Simonetto, F.
- Stroili, R.
- Akar, S.
- Ben-Haim, E.
- Bomben, M.
- Bonneaud, G.R.
- Briand, H.
- Calderini, G.
- Chauveau, J.
- Leruste, Ph.
- Marchiori, G.
- Ocariz, J.
- Biasini, M.
- Manoni, E.
- Pacetti, S.
- Rossi, A.
- Angelini, C.
- Batignani, G.
- Bettarini, S.
- Carpinelli, M.
- Casarosa, G.
- Cervelli, A.
- Chrzaszcz, M.
- Forti, F.
- Giorgi, M.A.
- Lusiani, A.
- Oberhof, B.
- Paoloni, E.
- Perez, A.
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- Walsh, J.J.
- Lopes Pegna, D.
- Olsen, J.
- Smith, A.J.S.
- Faccini, R.
- Ferrarotto, F.
- Ferroni, F.
- Gaspero, M.
- Li Gioi, L.
- Pilloni, A.
- Piredda, G.
- B\ufcnger, C.
- Dittrich, S.
- Gr\ufcnberg, O.
- Hess, M.
- Leddig, T.
- Vo f, C.
- Waldi, R.
- Adye, T.
- Olaiya, E.O.
- Wilson, F.F.
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- Dubois-Felsmann, G.P.
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- Field, R.C.
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- Innes, W.R.
- Kim, P.
- Leith, D.W.G.S.
- Lewis, P.
- Lindemann, D.
- Luitz, S.
- Luth, V.
- Lynch, H.L.
- Macfarlane, D.B.
- Muller, D.R.
- Neal, H.
- Perl, M.
- Pulliam, T.
- Ratcliff, B.N.
- Roodman, A.
- Salnikov, A.A.
- Schindler, R.H.
- Snyder, A.
- Su, D.
- Sullivan, M.K.
- Va'Vra, J.
- Wisniewski, W.J.
- Wulsin, H.W.
- Purohit, M.V.
- White, R.M.
- Wilson, J.R.
- Randle-Conde, A.
- Sekula, S.J.
- Bellis, M.
- Burchat, P.R.
- Puccio, E.M.T.
- Alam, M.S.
- Ernst, J.A.
- Gorodeisky, R.
- Guttman, N.
- Peimer, D.R.
- Soffer, A.
- Spanier, S.M.
- Ritchie, J.L.
- Ruland, A.M.
- Schwitters, R.F.
- Wray, B.C.
- Izen, J.M.
- Lou, X.C.
- Bianchi, F.
- De Mori, F.
- Filippi, A.
- Gamba, D.
- Lanceri, L.
- Vitale, L.
- Martinez-Vidal, F.
- Oyanguren, A.
- Villanueva-Perez, P.
- Albert, J.
- Banerjee, Sw.
- Beaulieu, A.
- Bernlochner, F.U.
- Choi, H.H.F.
- King, G.J.
- Kowalewski, R.
- Lewczuk, M.J.
- Lueck, T.
- Nugent, I.M.
- Roney, J.M.
- Sobie, R.J.
- Tasneem, N.
- Gershon, T.J.
- Harrison, P.F.
- Latham, T.E.
- Band, H.R.
- Dasu, S.
- Pan, Y.
- Prepost, R.
- Wu, S.L.
DOIAbstract
Based on a sample of 500 million e+e-\u2192cc\uaf events recorded by the BABAR detector at c.m. energies of close to 10.6 GeV, we report on a study of the decay D0\u2192\u3c0-e+\u3bde. We measure the ratio of branching fractions, RD=B(D0\u2192\u3c0-e+\u3bde)/B(D0\u2192K-\u3c0+)=0.0713\ub10.0017stat\ub10.0024syst, and use the present world average for B(D0\u2192K-\u3c0+) to obtain B(D0\u2192\u3c0-e+\u3bde)=(2.770\ub10.068stat\ub10.092syst\ub10.037ext) 710-3 where the third error accounts for the uncertainty on the branching fraction for the reference channel. The measured dependence of the differential branching fraction on q2, the four-momentum transfer squared between the D and the \u3c0 meson, is compared to various theoretical prediction...
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