Author: "V. Luth" / Publication Year Range: Last 10 years - Searchworks@Jio Institute Digital Library Search Results

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37 results on '"V. Luth"'

1. Challenges in semileptonic $${\varvec{B}}$$ decays

Author: A. Vaquero Avilés-Casco, Gregory Ciezarek, Martin Jung, C. Schwanda, Florian Urs Bernlochner, L. Cao, C. Bozzi, V. Luth, Zoltan Ligeti, Marta Calvi, Paolo Gambino, Christine Davies, W. Sutcliffe, Th. Mannel, S. Schacht, Aida X. El-Khadra, Stefan Meinel, Andreas S. Kronfeld, Marcello Rotondo, E. Lunghi, Shoji Hashimoto, G. Paz, A. Khodjamirian, Silvano Simula, and A. Bharucha
Subjects: Physics, Quark, Semileptonic decay, Particle physics, Physics and Astronomy (miscellaneous), Meson, 010308 nuclear & particles physics, Cabibbo–Kobayashi–Maskawa matrix, Hadron, Lattice (group), lcsh:Astrophysics, 01 natural sciences, lcsh:QB460-466, 0103 physical sciences, lcsh:QC770-798, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, B meson, Continuum (set theory), 010306 general physics, Engineering (miscellaneous)
Abstract: Two of the elements of the Cabibbo–Kobayashi–Maskawa quark mixing matrix, $$|V_{ub}|$$ | V ub | and $$|V_{cb}|$$ | V cb | , are extracted from semileptonic B decays. The results of the B factories, analysed in the light of the most recent theoretical calculations, remain puzzling, because for both $$|V_{ub}|$$ | V ub | and $$|V_{cb}|$$ | V cb | the exclusive and inclusive determinations are in clear tension. Further, measurements in the $$\tau $$ τ channels at Belle, Babar, and LHCb show discrepancies with the Standard Model predictions, pointing to a possible violation of lepton flavor universality. LHCb and Belle II have the potential to resolve these issues in the next few years. This article summarizes the discussions and results obtained at the MITP workshop held on April 9–13, 2018, in Mainz, Germany, with the goal to develop a medium-term strategy of analyses and calculations aimed at solving the puzzles. Lattice and continuum theorists working together with experimentalists have discussed how to reshape the semileptonic analyses in view of the much higher luminosity expected at Belle II, searching for ways to systematically validate the theoretical predictions in both exclusive and inclusive B decays, and to exploit the rich possibilities at LHCb.
Published: 2020

2. Evidence for CP violation in B+→K*(892)+π0 from a Dalitz plot analysis of B+→KS0π+π0 decays

Author: J. W. Gary, R. Gorodeisky, M. Simard, D. A. Roberts, A. M. Lutz, A. M. Eisner, J. Olsen, M. T. Graham, A. Hafner, E. M. T. Puccio, U. Mallik, Douglas Wright, Peter S. Kim, A. G. Denig, A. V. Gritsan, M. Röhrken, Cheng Chen, T. S. Miyashita, N. Neri, M. V. Purohit, A. Palano, R. F. Schwitters, F. De Mori, R. Contri, G. J. King, J. Albert, D. J. Bard, Sridhara Dasu, C. Cartaro, A. Khan, K. T. Flood, David Hutchcroft, L. Piemontese, P. Patteri, Denis Bernard, G. Lynch, Simon Akar, R. Prepost, D. Lindemann, M. J. Lewczuk, Hamad Ahmed, C. Bünger, E. Gabathuler, W. R. Innes, P. F. Harrison, A. Filippi, F. C. Porter, T. Leddig, R. Sacco, A. J. S. Smith, D. B. MacFarlane, A. Calcaterra, S. J. Sekula, A. Jawahery, B. N. Ratcliff, F. Di Lodovico, J. Va’vra, V. Prasad, B. Bhuyan, B. G. Fulsom, A. Adametz, J. Chauveau, E. A. Kravchenko, N. Guttman, B. Stugu, Crisostomo Sciacca, D. Aston, G. Rizzo, G. Marchiori, D. Su, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, J. D. Richman, A. P. Onuchin, Pablo Villanueva-Perez, L. Lanceri, R. Godang, Dmytro Kovalskyi, M. Piccolo, L. M. Cremaldi, H. R. Band, W. S. Lockman, G. Vasseur, I. M. Peruzzi, R. Cowan, B. Echenard, M. Chrzaszcz, J. P. Lees, A. Stocchi, M. Ebert, M. R. Convery, R. Cenci, D. J. Payne, C. Voß, G. Cibinetto, J. L. Ritchie, Marco Bomben, S. Martellotti, J. Ocariz, Maria Roberta Monge, C. H. Cheng, P. Taras, E. P. Solodov, A. Zallo, H. M. Lacker, H. L. Lynch, G. Batignani, Tim Adye, E. Paoloni, J. R. Fry, R. Cheaib, Y. B. Pan, J. Cochran, D. Bettoni, M. Fritsch, S. I. Serednyakov, R. Kowalewski, F. Bianchi, E. O. Olaiya, E. Fioravanti, E. Ben-Haim, R. D. Kass, S. Luitz, R. Waldi, D. G. Hitlin, S. Bettarini, A. J. Bevan, M. Gaspero, V. Santoro, Corrado Angelini, S. Dittrich, G. Onorato, C. P. Jessop, P. Ongmongkolkul, R. de Sangro, S. L. Wu, Florian Urs Bernlochner, R. Y. So, J. J. Walsh, F. Palombo, T. Lueck, D. Lopes Pegna, J. M. LoSecco, V. B. Golubev, B. Dey, Bogdan Malaescu, B. T. Meadows, P. C. Bloom, W. H. Toki, G. Raven, C. Touramanis, S. M. Spanier, M. Hess, Yu. I. Skovpen, R. Andreassen, M. K. Sullivan, B. G. Pushpawela, I. M. Nugent, W. J. Wisniewski, S. Passaggio, H. W. Wulsin, M. D. Sokoloff, V. P. Druzhinin, T. E. Latham, M. Carpinelli, P. R. Burchat, C. Bozzi, G. Cowan, Denis Derkach, K. Honscheid, M. Rotondo, Yu. G. Kolomensky, C. L. Davis, O. Grünberg, G. De Nardo, M. J. Lee, G. Grosdidier, B. A. Schumm, S. Prell, V. E. Blinov, I. Garzia, Alessandro Pilloni, E. Grauges, C. Patrignani, Mario Giorgi, L. T. Kerth, M. Rama, F. Forti, V. Poireau, G. D. Lafferty, Z. C. Huard, D. S. Chao, J. A. McKenna, D. R. Peimer, A. Soffer, R. J. Barlow, J. M. Roney, M. Morandin, A. Lusiani, K. Yu Todyshev, D. W. G. S. Leith, Christopher West, V. Tisserand, G. Wormser, M. Posocco, M. Davier, C. Hast, J. P. Coleman, U. Uwer, F. Anulli, R. Stroili, F. Simonetto, J. M. Izen, R. H. Schindler, G. Calderini, J. G. Smith, D. J. Lange, G. Piredda, H. A. Neal, W. Panduro Vazquez, G. Casarosa, N. Tasneem, Alessandro Gaz, T. M. Hong, S. H. Robertson, T. S. Mattison, Maurizio Biasini, D. R. Muller, Aidan Randle-Conde, Herbert Koch, Martino Margoni, T. J. Gershon, M. Franco Sevilla, A. R. Buzykaev, A. Beaulieu, Tamara Vazquez Schroeder, R. Ayad, James R. Wilson, G. R. Bonneaud, J. Dorfan, D. N. Brown, K. Griessinger, Owen Rosser Long, A. Oyanguren, A. Seiden, F. F. Wilson, X. C. Lou, W. Dunwoodie, C. Hearty, William T. Ford, R. Calabrese, H. H. F. Choi, B. Hamilton, S. Emery, Elisa Manoni, J. A. Ernst, D. J. Summers, G. P. Dubois-Felsmann, P. Roudeau, L. Sun, R. J. Sobie, M. Verderi, S. Playfer, B. Spaan, L. Vitale, F. Martinez-Vidal, Ph Leruste, N. Arnaud, H. Briand, W. Gradl, E. Luppi, M. L. Perl, A. M. Rossi, Sw. Banerjee, G. Eigen, R. C. Field, A. Roodman, G. Finocchiaro, V. Luth, M. S. Alam, A. Snyder, B. Oberhof, T. Pulliam, G. Simi, F. Ferroni, D. Gamba, M. Bellis, P. M. Patel, Stephen Robert Wagner, and K. R. Schubert
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Hadron, Dalitz plot, Elementary particle, 01 natural sciences, Nuclear physics, Particle decay, 0103 physical sciences, CP violation, B meson, 010306 general physics
Abstract: We report a Dalitz plot analysis of charmless hadronic decays of charged B mesons to the final state K^0_Sπ^+π^0 using the full BABAR data set of 470.9±2.8 million BB[overbar] events collected at the Υ(4S)resonance. We measure the overall branching fraction and CP asymmetry to be B(B^+→K^0π^+π^0)=(31.8±1.8±2.1+^(6.0)_(−0.0))×10^(-6) and A_(CP)(B^+→K^0π^+π^0)=0.07±0.05±0.03^(+0.02)_(−0.03), where the uncertainties are statistical, systematic, and due to the signal model, respectively. This is the first measurement of the branching fraction for B^+→K^0π^+π^0. We find first evidence of a CP asymmetry in B^+→K∗(892)+π^0 decays: A_(CP)(B^+→K∗(892)^+π^0)=−0.52±0.14±0.04^(+0.04)_(−0.02). The significance of this asymmetry, including systematic and model uncertainties, is 3.4 standard deviations. We also measure the branching fractions and CP asymmetries for three other intermediate decay modes.
Published: 2017

3. Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub

Author: F. Di Lodovico, D. J. Payne, F. Simonetto, R. H. Schindler, E. A. Kravchenko, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, C. H. Cheng, J. D. Richman, F. De Mori, S. Bettarini, A. J. Bevan, Maurizio Biasini, D. R. Muller, C. Bünger, J. R. Fry, Pablo Villanueva-Perez, H. A. Neal, L. Lanceri, G. Casarosa, Tamara Vazquez Schroeder, A. Adametz, Denis Bernard, G. Vasseur, R. de Sangro, J. L. Ritchie, Alam, S. J. Sekula, A. Jawahery, Owen Rosser Long, R. Y. So, A. Seiden, M. Hess, Peter S. Kim, R. Andreassen, N. Tasneem, A. J. S. Smith, S. M. Spanier, G. Wormser, J. A. Ernst, A. R. Buzykaev, J. Va’vra, G. Onorato, W. H. Toki, A. Beaulieu, L. T. Kerth, A. P. Onuchin, P. Roudeau, L. Sun, X. C. Lou, Aidan Randle-Conde, A. Filippi, R. Godang, V. Prasad, J. Chauveau, G. Lynch, G. Cibinetto, M. Franco Sevilla, V. B. Golubev, Elisa Manoni, D. Bettoni, N. Guttman, B. Stugu, S. Playfer, G. Marchiori, A. V. Gritsan, B. T. Meadows, S. Martellotti, D. E. Hutchcroft, W. Dunwoodie, T. Leddig, S. Luitz, H. W. Wulsin, P. Ongmongkolkul, G. Raven, E. Grauges, H. M. Lacker, H. L. Lynch, A. M. Eisner, Sridhara Dasu, C. Cartaro, M. Röhrken, D. Su, G. P. Dubois-Felsmann, H. R. Band, W. S. Lockman, A. Palano, P. Taras, E. P. Solodov, S. H. Robertson, B. N. Ratcliff, M. Rama, M. Piccolo, G. Batignani, R. Cowan, T. E. Latham, Florian Urs Bernlochner, B. G. Pushpawela, M. J. Lee, M. Carpinelli, J. A. McKenna, Christopher West, C. Patrignani, M. R. Convery, M. V. Purohit, P. R. Burchat, J. Albert, J. M. Roney, G. J. King, M. Gaspero, Cheng Chen, V. Tisserand, Herbert Koch, David Nathan Brown, P. Patteri, Yu. G. Kolomensky, G. R. Bonneaud, J. Dorfan, I. M. Nugent, L. M. Cremaldi, Corrado Angelini, J. G. Smith, E. Ben-Haim, J. P. Coleman, C. Hearty, R. Cenci, D. Lopes Pegna, M. Ebert, D. B. MacFarlane, D. J. Summers, Dmytro Kovalskyi, A. Zallo, E. O. Olaiya, E. Fioravanti, D. S. Chao, V. P. Druzhinin, C. Bozzi, G. Cowan, A. Calcaterra, K. Honscheid, J. P. Lees, F. Palombo, T. Lueck, D. Lindemann, B. A. Schumm, M. J. Lewczuk, A. G. Denig, Sw. Banerjee, M. Davier, R. Contri, R. J. Barlow, T. S. Mattison, W. J. Wisniewski, R. J. Sobie, Giorgi, M. Posocco, M. Fritsch, M. Verderi, J. Cochran, Ph Leruste, C. L. Davis, N. Arnaud, D. G. Hitlin, C. Touramanis, L. Vitale, Marco Bomben, F. Martinez-Vidal, M. Rotondo, S. Passaggio, Crisostomo Sciacca, D. Aston, G. Rizzo, V. Santoro, V. E. Blinov, K. Griessinger, R. F. Schwitters, G. Simi, K. T. Flood, U. Mallik, Douglas Wright, G. De Nardo, B. Hamilton, A. Oyanguren, O. Grünberg, E. Luppi, F. F. Wilson, P. F. Harrison, D. W. G. S. Leith, M. L. Perl, F. Forti, R. Sacco, G. Grosdidier, B. Echenard, A. M. Rossi, T. S. Miyashita, D. J. Bard, N. Neri, H. H. F. Choi, G. Calderini, S. Emery, S. Prell, I. Garzia, L. Piemontese, V. Poireau, Hamad Ahmed, A. Soffer, A. Lusiani, E. Gabathuler, W. R. Innes, F. C. Porter, T. M. Hong, R. Gorodeisky, C. Hast, D. J. Lange, M. Simard, D. A. Roberts, G. Piredda, A. M. Lutz, W. Panduro Vazquez, M. Chrzaszcz, J. Olsen, M. T. Graham, Sau Lan Wu, A. Hafner, J. Ocariz, E. M. T. Puccio, T. J. Gershon, R. Cheaib, I. M. Peruzzi, R. Waldi, J. M. LoSecco, C. Voss, B. Dey, Bogdan Malaescu, S. I. Serednyakov, F. Bianchi, Z. C. Huard, B. Spaan, S. Dittrich, H. Briand, W. Gradl, R. C. Field, G. Finocchiaro, V. Luth, A. Snyder, B. Oberhof, F. Anulli, Alessandro Gaz, B. Bhuyan, B. G. Fulsom, C. P. Jessop, M. K. Sullivan, D. Gamba, M. Bellis, David Norvil Brown, P. C. Bloom, Sokoloff, Y. B. Pan, R. Kowalewski, Denis Derkach, Alessandro Pilloni, D. R. Peimer, M. Morandin, K. Yu Todyshev, U. Uwer, R. Stroili, R. Ayad, James R. Wilson, R. Calabrese, J. J. Walsh, G. Eigen, W. T. Ford, Tim Adye, G. D. Lafferty, R. D. Kass, J. M. Izen, Martino Margoni, Yu. I. Skovpen, J. W. Gary, A. Khan, A. Stocchi, Maria Roberta Monge, E. Paoloni, A. Roodman, T. Pulliam, F. Ferroni, P. M. Patel, Stephen Robert Wagner, K. R. Schubert, Simon Akar, and R. Prepost
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Cabibbo–Kobayashi–Maskawa matrix, Branching fraction, media_common.quotation_subject, Hadron, Resonance, Dalitz plot, 01 natural sciences, Asymmetry, 0103 physical sciences, CP violation, 010306 general physics, media_common
Abstract: We report a Dalitz plot analysis of charmless hadronic decays of charged $B$ mesons to the final state $K_{\rm S}^{0}\pi^{+}\pi^{0}$ using the full BaBar dataset of $470.9\pm2.8$ million $B\bar{B}$ events collected at the $\Upsilon(4S)$ resonance. We measure the overall branching fraction and $CP$ asymmetry to be ${\cal B}\left(B^{+}\to K^{0}\pi^{+}\pi^{0}\right) = \left(45.9 \pm 2.6 \pm 3.0^{+8.6}_{-0.0}\right)\times10^{-6}$ and $A_{CP}\left(B^{+}\to K^{0}\pi^{+}\pi^{0}\right) = 0.07 \pm 0.05 \pm 0.03^{+0.02}_{-0.03}$, where the uncertainties are statistical, systematic, and due to the signal model, respectively. This is the first measurement of the branching fraction for $B^{+} \to K^{0}\pi^{+}\pi^{0}$. We find first evidence of a $CP$ asymmetry in $B^{+}\to K^{*}(892)^{+}\pi^{0}$ decays: $A_{CP}\left(B^{+}\to K^{*}(892)^{+}\pi^{0}\right)=-0.52 \pm 0.14 \pm 0.04^{+0.04}_{-0.02}$. The significance of this asymmetry, including systematic and model uncertainties, is $3.4$ standard deviations. We also measure the branching fractions and $CP$ asymmetries for three other intermediate decay modes.
Published: 2017

4. Search for B+→K+τ+τ− at the BaBar Experiment

Author: R. Calabrese, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, R. Cenci, R. Sacco, A. Zallo, Elisa Manoni, D. Aston, Gabriele Simi, B. Echenard, M. Fritsch, C. L. Davis, G. A. Cowan, A. G. Denig, D. Bernard, M. T. Graham, Eleonora Luppi, J. L. Ritchie, S. I. Serednyakov, N. Tasneem, S. Martellotti, M. Carpinelli, I. M. Nugent, D. S. Chao, M. Davier, V. Poireau, M. Piccolo, G. Finocchiaro, T. Leddig, M. V. Purohit, Aidan Randle-Conde, I. M. Peruzzi, A. J.S. Smith, N. Arnaud, J. Albert, S. Bettarini, G. R. Bonneaud, S. Emery, G. Batignani, Simon Akar, W. R. Innes, George Lafferty, B. Oberhof, R. F. Schwitters, A. M. Rossi, A. Filippi, Joseph Izen, K. Yu. Todyshev, A. Roodman, R. Y. So, E. Fioravanti, Roland Waldi, F. Ferroni, Alessandro Pilloni, B. Bhuyan, J. M. Roney, J. Dorfan, Abner Soffer, Paul Fraser Harrison, E. P. Solodov, T. S. Miyashita, Ju-Young Kim, E. Grauges, F. Simonetto, R. Cowan, F. Bianchi, Miriam Heß, A. Calcaterra, Stephen Robert Wagner, F. Forti, M. K. Sullivan, Mario Giorgi, A. Oyanguren, C. Cartaro, G. Raven, J. J. Walsh, S. Dittrich, M. Röhrken, D. R. Peimer, Giulia Casarosa, M. D. Sokoloff, G. Wormser, D. N. Brown, F. Di Lodovico, D. J. Payne, J. A. McKenna, P. R. Burchat, W. Dunwoodie, M. R. Convery, C. Bünger, J. A. Ernst, W. Gradl, E. Ben-Haim, L. Lanceri, D. W. G. S. Leith, Colin Jessop, R. Prepost, E. Paoloni, B. G. Pushpawela, C. H. Cheng, Timothy Gershon, Alberto Lusiani, H. A. Neal, X. C. Lou, R. Godang, R. de Sangro, M. Verderi, Biplab Dey, B. N. Ratcliff, Fergus Wilson, R. Gorodeisky, D. Gamba, D. A. Roberts, G. Calderini, P. Taras, C. Touramanis, T. Schroeder, U. Mallik, G. Vasseur, K. T. Flood, J. Chauveau, F. De Mori, A. R. Buzykaev, M. S. Alam, Roger Barlow, Martino Margoni, B. G. Fulsom, A. Beaulieu, P. C. Kim, N. Guttman, G. De Nardo, Sau Lan Wu, A. Hafner, E. M. T. Puccio, A. Jawahery, R. Kowalewski, Yu. I. Skovpen, G. Cibinetto, C. Hearty, G. Marchiori, Andrei Gritsan, D. J. Summers, Florian Urs Bernlochner, F. Palombo, T. Lueck, K. R. Schubert, M. Ebert, M. Bomben, Maurizio Biasini, L. Vitale, F. Martinez-Vidal, Marcello Rotondo, Dominik Müller, C. H. Chen, Stephen Sekula, Owen Rosser Long, H. Ahmed, S. M. Spanier, Vladimir Blinov, L. M. Cremaldi, J. P. Coleman, J. R. Smith, A. P. Onuchin, L. Sun, Adrian John Bevan, C. Bozzi, D. G. Hitlin, R. C. Field, Matteo Rama, Nicola Neri, S. Prell, K. Honscheid, M. Bellis, Tim Adye, R. D. Kass, T. S. Mattison, James H Cochran, M. Posocco, V. P. Druzhinin, C. Hast, D. J. Lange, G. Piredda, R. Stroili, Marcin Chrzaszcz, James R. Wilson, G. Eigen, A. M. Lutz, S. Passaggio, V. B. Golubev, A. Palano, David Hutchcroft, S. Luitz, P. Patteri, J. Va’vra, D. B. MacFarlane, G. Rizzo, J. P. Lees, V. Santoro, O. Grünberg, Christian Voß, Yu G. Kolomensky, P. Ongmongkolkul, E. A. Kravchenko, Crisostomo Sciacca, W. J. Wisniewski, G. J. King, J. Ocariz, J. W. Gary, R. Cheaib, J. M. LoSecco, S. H. Robertson, Herbert Koch, K. Griessinger, Brian Meadows, Z. C. Huard, W. Panduro Vazquez, V. Luth, W. S. Lockman, F. Anulli, Alessandro Gaz, A. M. Eisner, Sw. Banerjee, D. Bettoni, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, E. Gabathuler, F. C. Porter, and Douglas Wright
Subjects: Physics, Particle physics, Muon, Neutral current, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, BaBar experiment, 01 natural sciences, Nuclear physics, 0103 physical sciences, B meson, Neutrino, 010306 general physics, Energy (signal processing), Lepton
Abstract: We search for the rare flavor-changing neutral current process B^{+}→K^{+}τ^{+}τ^{-} using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the ϒ(4S) resonance, corresponds to a total integrated luminosity of 424 fb^{-1} and to 471×10^{6} BB[over ¯] pairs. We reconstruct one B meson, produced in the ϒ(4S)→B^{+}B^{-} decay, in one of many hadronic decay modes and search for activity compatible with a B^{+}→K^{+}τ^{+}τ^{-} decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B^{+}→K^{+}τ^{+}τ^{-})
Published: 2017

5. Measurement of the B0→D*−π+π−π+ branching fraction

Author: Colin Jessop, R. Prepost, N. Tasneem, G. Vasseur, K. T. Flood, J. Ocariz, Debbie Payne, S. H. Robertson, J. Chauveau, F. De Mori, F. Forti, J. W. Gary, J. Dorfan, S. Emery, Herbert Koch, B. Bhuyan, S. Bettarini, B. G. Fulsom, Aidan Randle-Conde, George Lafferty, R. Cheaib, M. K. Sullivan, Maurizio Biasini, G. R. Bonneaud, K. Griessinger, Yu. I. Skovpen, Brian Meadows, G. De Nardo, A. M. Eisner, J. M. LoSecco, M. Röhrken, R. Cenci, A. Zallo, Gabriele Simi, Z. C. Huard, Sw. Banerjee, C. L. Davis, Owen Rosser Long, Andrei Gritsan, J. L. Ritchie, F. Anulli, Abner Soffer, Alessandro Gaz, F. Di Lodovico, Denis Bernard, Miriam Heß, T. S. Mattison, J. A. Ernst, S. I. Serednyakov, Douglas Wright, U. Mallik, M. Fritsch, C. Hast, I. M. Peruzzi, A. P. Onuchin, L. Sun, A. Filippi, D. J. Lange, G. Piredda, M. Verderi, W. Gradl, Peter S. Kim, Eleonora Luppi, W. Panduro Vazquez, S. Martellotti, G. J. King, M. Carpinelli, L. Lanceri, M. V. Purohit, J. A. McKenna, F. Bianchi, R. Y. So, Adrian John Bevan, F. Simonetto, S. Dittrich, Simon Akar, F. Betti, R. Cowan, E. Paoloni, D. W. G. S. Leith, J. Albert, R. C. Field, K. R. Schubert, Nicolas Arnaud, A. M. Lutz, Tim Adye, R. D. Kass, G. Finocchiaro, V. Luth, Alessandro Pilloni, B. Echenard, G. Calderini, D. R. Peimer, A. Oyanguren, M. Piccolo, E. Gabathuler, F. Le Diberder, Fernando Palombo, M. S. Alam, Stephen Sekula, W. R. Innes, Timothy Gershon, F. C. Porter, J. M. Roney, G. Raven, I. M. Nugent, Alberto Lusiani, G. Batignani, Biplab Dey, C. Touramanis, C. H. Chen, S. M. Spanier, E. Grauges, Fergus Wilson, D. S. Chao, Vladimir Blinov, P. R. Burchat, C. Bozzi, S. Luitz, J. R. Smith, J. M. Izen, K. Honscheid, B. Oberhof, Mario Giorgi, J. J. Walsh, M. Davier, G. Rizzo, Florian Urs Bernlochner, T. Lueck, R. Calabrese, E. Ben-Haim, K. Yu. Todyshev, Michael Sokoloff, Elisa Manoni, M. Posocco, T. Leddig, B. G. Pushpawela, R. Sacco, B. N. Ratcliff, X. C. Lou, W. S. Lockman, C. H. Cheng, H. A. Neal, Roger Barlow, D. Bettoni, Martino Margoni, R. Kowalewski, M. Ebert, C. Hearty, M. T. Graham, R. de Sangro, S. L. Wu, M. R. Convery, A. M. Rossi, A. Calcaterra, A. J.S. Smith, R. Gorodeisky, D. J. Summers, A. Roodman, D. A. Roberts, I. Garzia, A. R. Buzykaev, Thomas Latham, E. Fioravanti, C. Patrignani, V. Tisserand, M. Bomben, A. Beaulieu, A. Hafner, L. Vitale, Roland Waldi, V. Santoro, F. Ferroni, E. M. T. Puccio, F. Martinez-Vidal, Dominik Müller, Paul Fraser Harrison, H. Ahmed, D. B. MacFarlane, R. Godang, Stephen Robert Wagner, D. N. Brown, A. G. Denig, Yu. G. Kolomensky, Matteo Rama, S. Prell, James H Cochran, V. Poireau, Marcello Rotondo, V. P. Druzhinin, L. M. Cremaldi, D. G. Hitlin, P. Taras, Nicola Neri, J. P. Coleman, Giulia Casarosa, G. Wormser, R. F. Schwitters, T. Schroeder, O. Grünberg, W. Dunwoodie, Jean-Pierre Lees, Christian Voß, E. A. Kravchenko, Crisostomo Sciacca, D. Aston, James R. Wilson, G. Eigen, P. Ongmongkolkul, R. Stroili, Marcin Chrzaszcz, E. P. Solodov, T. S. Miyashita, M. Bellis, C. Bünger, J. Kim, A. Jawahery, G. Cibinetto, W. J. Wisniewski, S. Passaggio, V. B. Golubev, A. Palano, David Hutchcroft, P. Patteri, C. Cartaro, R. Faccini, F. Ferrarotto, A. J. Lankford, G. A. Cowan, J. Va’vra, D. Gamba, N. Guttman, and G. Marchiori
Subjects: Nuclear physics, Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 0103 physical sciences, 010306 general physics, 01 natural sciences, Lepton, Universality (dynamical systems)
Abstract: Using a sample of (470.9 +- 2.8) x 10^6 BB-bar pairs, we measure the decay branching fraction B(B^0 -> D^*- pi^+ pi^- pi^+) = (7.26 +- 0.11 +- 0.31) x 10^-3, where the first uncertainty is statistical and the second is systematic. Our measurement will be helpful in studies of lepton universality by measuring B(B^0 -> D^*- tau^+ nu_tau) using tau^+ -> pi^+ pi^- pi^+ nu-bar_tau decays, normalized to B(B^0 -> D^*- pi^+ pi^- pi^+.
Published: 2016

6. Search for the radiative decay B0→γ

Author: A. B. Breon, R. G. Jacobsen, V. B. Koptchev, S. Ahmed, D. Gamba, J. L. Ritchie, I. Kitayama, S. E. Morgan, T. B. Moore, S. Schrenk, M. Dickopp, M. Legendre, P. C. Bloom, H. K. Hadavand, E. Chen, Q. H. Guo, B. Stugu, D. Dujmic, G. Marchiori, S. H. Robertson, N. S. Knecht, V. B. Golubev, G. Therin, P. Kim, Ch Yèche, F. Bucci, Paul Kyberd, M. M. Macri, G. Kukartsev, P. F. Giraud, J. C. Dingfelder, J. W. Berryhill, S. J. Sekula, A. Jawahery, S. D. Foulkes, G. P. Taylor, Herbert Koch, Maurizio Pierini, V. Halyo, R. Capra, R. N. Cahn, Maria Roberta Monge, G. Cibinetto, Peter Elmer, G. Wagner, L. Gladney, J. Schwiening, R. Faccini, N. De Groot, F. Ferrarotto, A. J. Lankford, F. Le Diberder, A. Mihalyi, Pierluigi Paolucci, N. Danielson, F. Galeazzi, Marcella Bona, J. D. Richman, M. J.J. John, R. Aleksan, E. Paoloni, P. Spradlin, R. Contri, G. W. Morton, M. H. Schune, U. Uwer, T. Brandt, R. Stroili, H. A. Neal, A. Roodman, T. J. Orimoto, D. Fortin, C. H. Cheng, A. Höcker, Liliana Teodorescu, X. C. Lou, J. J. Walsh, J. Marks, K. K. Gan, X. R. Chen, G. A. Cowan, S. Ricciardi, M. Lu, G. De Nardo, F. Simonetto, R. H. Schindler, Marcello Rotondo, Alexis Pompili, Tetiana Hryn'ova, A. P. Onuchin, H. U. Flaecher, A. Zghiche, A. M. Eichenbaum, C. K. Lae, M. T. Ronan, S. Otto, A. Chen, A. Ryd, R. Liu, A. Zallo, J. R. Fry, R. J. Wilson, L. M. Cremaldi, G. Rizzo, C. Lu, D. Judd, V. Lepeltier, B. A. Petersen, J. A. McKenna, F. Couderc, C. L. Brown, Bruce Schumm, F. Colecchia, R. Bartoldus, K. T. Flood, John Allison, Zongfu Yu, M. J. Charles, D. Côté, Shanhui Fan, Lijun Zhang, C. A. Heusch, P. Patteri, J. W. Lamsa, R. de Sangro, J. Brose, D. del Re, T. Pulliam, Roland Waldi, F. Ferroni, J. Schubert, Davide Piccolo, S. Saremi, M. Benayoun, S. L. Wu, W. Kozanecki, L. Del Buono, Roberto Calabrese, B. C. Shen, S. Brunet, A. Satpathy, A. Lu, A. J. Hart, L. Bosisio, A. Calcaterra, D. G. Hitlin, P. Rankin, S. Bailey, H. Marsiske, O. Hamon, J. A. Nash, M. Lo Vetere, Francesco Polci, R. Kroeger, A. W. Weidemann, C. Voci, H. L. Snoek, R. Eckmann, I. M. Peruzzi, W. H. Toki, S. Ye, T. C. Petersen, R. Ter-Antonyan, Eleonora Luppi, J. P. Lees, Te Latham, H. J. Bulten, M. Pelizaeus, Crisostomo Sciacca, D. Aston, H. Schröder, F. Bellini, S. Luitz, V. E. Ozcan, A. N. Yushkov, Yuehong Xie, D. Boutigny, J. Ocariz, Nicola Neri, A. T. Watson, D. A. Bowerman, D. C. Williams, J. M. Roney, M. K. Sullivan, E. Treadwell, T. Schalk, V. Miftakov, Y. P. Lau, Justin Albert, Paul Fraser Harrison, Mauro Morandin, M. Fritsch, S. S. Hertzbach, A. Lazzaro, D. Su, Sai-Juan Chen, T. Cuhadar-Donszelmann, M. G. Greene, A. D'Orazio, M. Chao, B. Spaan, S. Jayatilleke, Julie Malcles, V. Poireau, K. A. Ulmer, C. Hearty, A. M. Lutz, A. J.S. Smith, H. Briand, A. M. Eisner, Hui Li, M. A. Mazzoni, G. Wormser, C. Gatto, Y. Groysman, F. Blanc, C. Touramanis, Luca Lista, J. M. Thompson, M. Bruinsma, W. J. Wisniewski, A. Soha, L. Wilden, M. Piccolo, M. T. Allen, G. Lynch, E. A. 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Neal, H
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Annihilation, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Detector, BABAR detector, 01 natural sciences, Particle identification, HEP, Nuclear physics, 0103 physical sciences, BaBar, CP violation, 010306 general physics, Storage ring
Abstract: We perform a search for the exclusive radiative decay B0→γ, which is dominated by b̄d annihilation, in a sample of 124×106 BB̄ events collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring at SLAC. No significant signal is seen. We set an upper limit on the branching fraction of B(B0→γ)
Published: 2016

7. Search for flavor-changing neutral current and lepton-flavor violating decays of D-0 -> l(+)l(-)

Author: B. C. Shen, Corrado Angelini, J. Ocariz, R. Bartoldus, N. A. Roe, Douglas Wright, O. L. Buchmueller, I. J. Forster, D. E. Hutchcroft, J. M. Bauer, C. Dallapiccola, V. P. Druzhinin, C. Bozzi, J. J. Hollar, H. R. Band, K. Honscheid, C. A. Chavez, Zongfu Yu, J. W. Gary, J. Va'vra, M. J. Charles, A. Buzzo, J. L. Ritchie, J. Chauveau, I. Kitayama, S. I. Serednyakov, R. J. Barlow, I. M. Peruzzi, D. J. Bard, W. S. Lockman, D. del Re, N. Chevalier, M. Posocco, J.J. Reidy, C. M. Cormack, R. Frey, H. K. Hadavand, Q. L. Zeng, L. Tantot, M. H. Kelsey, S. Ricciardi, Tetiana Hryn'ova, J. H. von Wimmersperg-Toeller, P. Grenier, T. Abe, R. S. Dubitzky, M. Bondioli, J. R. Johnson, A. V. Telnov, P. J. Clark, J. A. Nash, M. R. Convery, Bruce Schumm, P. Patteri, T. W. Beck, M. Lo Vetere, R. K. Mommsen, F. Bianchi, Maurizio Biasini, V. B. Golubev, J. M. LoSecco, G. Therin, G. Schott, E. Feltresi, D. D. Brown, A. Lu, Owen Rosser Long, A. Seiden, S. Willocq, G. Della Ricca, D. Thiessen, Y. B. Pan, R. Kowalewski, J. W. Berryhill, A. E. Rubin, I. Ofte, G. B. Mohanty, J. A. Ernst, M. Pivk, A. Zallo, Chunhui Chen, N. B. Sinev, M. Datta, S. Saremi, J. Brose, Wouter Verkerke, A. Calcaterra, A. J. Lyon, C. Hearty, Maurizio Pierini, J. J. Back, C. Thiebaux, M. Pelizaeus, H. Staengle, Julie Malcles, A. M. Eisner, A. J. Hart, G. W. London, K. Paick, F. Couderc, F. Colecchia, D. Monorchio, M. Carpinelli, D. Hufnagel, Hui Li, A. Dorigo, JunJie Wu, Lydia Roos, M. Morganti, R. Contri, H. L. Snoek, M. A. Mazur, R. J. Parry, C. Roat, Pierluigi Paolucci, F. Bellini, D. P. Stoker, D. J. Summers, O. Hamon, D. Dong, H. W. Zhao, G. Rong, Sergio Grancagnolo, A. Petzold, G. Hamel de Monchenault, L. Bosisio, M. Pripstein, P. D. Dauncey, G. J. Grenier, C. K. Lae, R. C. Field, E. Won, Andrei Gritsan, J. M. Roney, D. H. Wright, K. T. Flood, G. Rizzo, Yuehong Xie, Mirco Andreotti, V. Miftakov, P. A. Hart, C. Patrignani, R. Claus, Matteo Negrini, Eleonora Luppi, N. Danielson, F. Galeazzi, M. L. Perl, E. O. Olaiya, M. A. Saeed, Luca Lista, R. S. Panvini, Mauro Morandin, Y. P. Lau, K. K. Gan, J. Button-Shafer, W. D. Hulsbergen, N. R. Barlow, M. K. Sullivan, J. R. Gaillard, E. Treadwell, M. G. Greene, R. J. Sobie, A. W. Weidemann, S. J. Gowdy, A. Perazzo, C. Voena, V. Lillard, L. Vitale, C. De La Vaissiere, V. Lepeltier, A. J.S. Smith, F. Salvatore, C. M. Hawkes, F. Martinez-Vidal, G. Finocchiaro, Dominik Müller, A. J. Bevan, F. Muheim, Justin Albert, D. J.J. Mangeol, P. D. Jackson, R. L. Flack, F. Palombo, Vivek Sharma, M. Benayoun, M. V. Purohit, V. Luth, James D. Olsen, J. G. Smith, G. Vasileiadis, S. Jayatilleke, G. Kukartsev, V. N. Ivanchenko, N. D. Qi, Nicolas Berger, T. Schalk, B. Lewandowski, H. P. Paar, J. E. Brau, F. Blanc, W. A. Wenzel, H. J. Bulten, Sw. Banerjee, W. M. Bugg, D. Kovalskyi, M. A. Mazzoni, G. Wormser, J. Stelzer, Alberto Lusiani, M. B. Nikolich, M. G. Green, D. Bernard, Ajit Mohapatra, S. M. Spanier, A. Satpathy, Q. K. Wong, X. Giroux, M. Legendre, M. Wittgen, D. Lavin, P. C. Bloom, Stephane T'Jampens, P. J. Oddone, Maria Roberta Monge, A. Mihalyi, S. E. Morgan, Y. S. Zhu, M. S. Alam, M. Davier, A. Snyder, A. Roodman, R. Liu, A. N. Yushkov, A. Lazzaro, D. Su, S. Bettarini, N. De Groot, J. A. McKenna, B. Stugu, J. M. Dorfan, F. Simonetto, T. Pulliam, R. H. Schindler, F. Bucci, M. Dickopp, H. B. Crawley, C. Gatto, R. K. Yamamoto, B. T. Meadows, G. Raven, Fergus Wilson, M. A. Winter, M. Verderi, G. Sciolla, Alessio Sarti, W. Kozanecki, Colin Jessop, R. Prepost, R. Nogowski, E. Paoloni, P. Spradlin, Amir Farbin, A. A. Salnikov, C. D. Buchanan, W. Dunwoodie, C. H. Cheng, S. Petrak, Frank E. Taylor, J. R. Fry, Roland Waldi, F. Ferroni, D. A. Bowerman, F. Brochard, M. Fritsch, S. S. Hertzbach, Y. Groysman, L. Wilden, A. Gaidot, M. T. Ronan, W. Roethel, M. C. Hodgkinson, E. I. Rosenberg, Brandon L. Hartfiel, M. C. Simani, F. Anulli, A. T. Watson, S. Dittongo, T. B. Moore, Shanhui Fan, J. Schwiening, V. Tisserand, Liliana Teodorescu, X. C. Lou, J. J. Walsh, A. M. Rahimi, J. I. Yi, M. D. Sokoloff, C. M. Brown, M. Saleem, T. Hadig, G. Crosetti, Enrico Robutti, U. Mallik, Paul Fraser Harrison, S. Christ, J. P. Lees, A. Olivas, D. N. Brown, B. Franek, R. Kroeger, M. L. Kocian, M. G. Wilson, A. Soha, A. J. Edwards, C. Cartaro, G. P. Gopal, T. Cuhadar-Donszelmann, C. Touramanis, L. Piemontese, S. H. Robertson, S. Emery, N. S. Knecht, Paul Kyberd, R. de Sangro, S. L. Wu, M. Weaver, M. Pioppi, G. S. Abrams, D. Boutigny, G. P. Dubois-Felsmann, R. Baldini-Ferroli, D. A. Roberts, G. Grosdidier, P. Poropat, P. M. Patel, I. Narsky, Ralph Müller-Pfefferkorn, M. Piccolo, B. Cheng, V. E. Blinov, E. Gabathuler, C. T. Day, S. Brunet, Stephen Robert Wagner, J.H. Panetta, W. Bhimji, D. Kirkby, G. Vasseur, T. Held, K. E. Ford, G. D. Lafferty, Marcello Rotondo, H. U. Flaecher, A. Zghiche, F. C. Porter, S. Luitz, Hyun-Chul Kim, R. J. Wilson, F. Di Lodovico, W. H. Toki, L. M. Cremaldi, Bernard Aubert, A. M. Lutz, M. T. Graham, G. Batignani, R. R. Kofler, M. Krishnamurthy, K. R. Schubert, D. E. Wagoner, A. Hauke, D. C. Williams, R. Godang, V. Lombardo, S. Otto, J. W. Lamsa, D. J. Payne, H. Kagan, H. M. Lacker, M. Chao, D. S. Best, H. L. Lynch, U. Nauenberg, Gabriele Simi, C. L. Davis, A. Pompili, G. R. Bonneaud, Matteo Rama, M. Zito, T. R. McMahon, D. W. G. S. Leith, T. Piatenko, W. N. Cottingham, M. P. Kelly, M. Barrett, S. Prell, A. Samuel, R. Gamet, T. Glanzman, A. M. Boyarski, R. F. Schwitters, M. Mandelkern, U. Egede, Jie Zhang, James H Cochran, D. M. Strom, R. N. Cahn, R. Barate, S. Playfer, C. P. O'Grady, K. S. Chaisanguanthum, Silvano Tosi, D. G. Hitlin, P. Rankin, B. Spaan, M. Haire, J. C. Williams, D. B. MacFarlane, A. Soffer, Akram Khan, H. Briand, M. A. Baak, E. Charles, Fabio Cossutti, G. Calderini, P. Wang, C. T. Potter, Mario Giorgi, S. Ye, S. Morganti, T. C. Petersen, R. Ter-Antonyan, R. Aleksan, F. Gallo, B. Dahmes, D. Bettoni, R. Capra, L. Lanceri, Stéphane Plaszczynski, Sridhara Dasu, C. Yeche, A. B. Breon, Nicola Neri, G. Eigen, J. T. Boyd, J. Libby, G. W. Brandenburg, A. W. Borgland, Joseph Izen, B. N. Ratcliff, A. J.R. Weinstein, P. S. Jackson, V. G. Shelkov, H. Koch, R. Schwierz, K. Wang, Walter R. Innes, G. W. Morton, Y. I. Skovpen, E. J. Hill, I. Eschrich, P. E. Kutter, P. K. Behera, T. Allmendinger, R. Messner, T. J. Harrison, Ph Leruste, T. I. Meyer, A. E. Blinov, H. Nicholson, C. C. Young, T. J. Orimoto, W. T. Meyer, Claudio Campagnari, V. Eschenburg, P. Taras, F. Forti, T. S. Mattison, D. A. Sanders, P. Tan, M. H. Schune, G. P. Taylor, C. Hast, D. J. Lange, G. Piredda, A. Dvoretskii, M. Morii, D. D. Altenburg, M. Gaspero, G. Nesom, F. R. Wappler, Patricia R. Burchat, B. Mayer, A. K. Yarritu, Martino Margoni, Sh. Rahatlou, J. P. Coleman, G. Tiozzo, L. Del Buono, F. Sandrelli, R. Eckmann, M. J.J. John, G. Mancinelli, T. Brandt, R. Stroili, H. A. Neal, G. De Nardo, L. M. Mir, C. Lu, D. Judd, S. Yang, K. Goetzen, Francesco Fabozzi, J. L. Harton, G. Lynch, E. Torrence, A. Ryd, P. David, E. P. Solodov, Pierre-Francois Giraud, A. Santroni, Virginia Azzolini, L. Li Gioi, John Allison, A. Hicheur, Nicola Cavallo, Olga Igonkina, P.F. Manfredi, W. T. Ford, Tim Adye, R. D. Kass, J. Schubert, Davide Piccolo, Valerio Re, Markus Cristinziani, V. E. Ozcan, F. X. Yumiceva, G. Blaylock, Yu G. Kolomensky, James R. Wilson, D. Côté, C. A. Heusch, M. Steinke, Andrew Lankford, S. Bailey, E. A. Kravchenko, H. Marsiske, C. Voci, S. F. Ganzhur, Te Latham, U. Langenegger, Crisostomo Sciacca, D. Aston, J. C. Chen, N. I. Geddes, J. M. Gaillard, Sai-Juan Chen, Peter Elmer, G. Wagner, F. Safai Tehrani, M. Bruinsma, W. J. Wisniewski, A. M. Eichenbaum, J. E. Sundermann, Lijun Zhang, S. Passaggio, M. M. Macri, S. J. Sekula, A. Jawahery, Sandrine Laplace, S. D. Foulkes, G. Cibinetto, R. J. Sloane, A. P. Onuchin, A. Chen, B. A. Petersen, C. L. Brown, M. S. Gill, E. E. Elsen, Roberto Covarelli, R. W. Kadel, A. Palano, J. Kroseberg, G. Cavoto, G. Vuagnin, P. Kim, Y. Karyotakis, R. 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S., Mancinelli, G., Meadows, B.T., Sokoloff, M.D., Abe, T., Blanc, F., Bloom, P., Chen, S., Ford, W.T., Nauenberg, U., Olivas, A., Rankin, P., Smith, J.G., Zhang, J., Zhang, L., Chen, A., Harton, J.L., Soffer, A., Toki, W.H., Wilson, R.J., Zeng, Q., Altenburg, D., Brandt, T., Brose, J., Dickopp, M., Feltresi, E., Hauke, A., Lacker, H.M., Müller-Pfefferkorn, R., Nogowski, R., Otto, S., Petzold, A., Schubert, J., Schubert, K.R., Schwierz, R., Spaan, B., Sundermann, J.E., Bernard, D., Bonneaud, G.R., Brochard, F., Grenier, P., Schrenk, S., Thiebaux, C., Vasileiadis, G., Verderi, M., Bard, D.J., Clark, P.J., Lavin, D., Muheim, F., Playfer, S., Xie, Y., Andreotti, M., Azzolini, V., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Luppi, E., Negrini, M., Piemontese, L., Sarti, A., Treadwell, E., Anulli, F., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Patteri, P., Peruzzi, I.M., Piccolo, M., Zallo, A., Buzzo, A., Capra, R., Contri, R., Crosetti, G., Lo Vetere, 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F., London, G., Yèche, C. h., Purohit, M., Weidemann, A., Wilson, J., Yumiceva, F., Boyarski, A., Buchmueller, O., Convery, M., DE NARDO, Guglielmo, Elsen, E., Field, R., Gowdy, S., Innes, W., Kelsey, M., Kocian, M., Leith, D., Lynch, H., Muller, D., O'Grady, C., Ozcan, V., Ratcliff, B., Salnikov, A., Schindler, R., Sullivan, M., Wagner, S., Weinstein, A., Wisniewski, W., Yarritu, A., Young, C., Burchat, P., Edwards, A., Meyer, T., Petersen, B., Alam, M., Ernst, J., Saeed, M., Wappler, F., Spanier, S., Ritchie, J., Schwitters, R., Izen, J., Lou, X., Della Ricca, G., Panvini, R., Banerjee, S. w., Roney, J., Sobie, R., Band, H., Eichenbaum, A., Hollar, J., Johnson, J., Kutter, P., Mohapatra, A., von Wimmersperg Toeller, J., Wu, S., Greene, M., Barate, R, Boutigny, D, Couderc, F, Gaillard, J, Hicheur, A, Karyotakis, Y, Lees, J, Tisserand, V, Zghiche, A, Palano, A, Pompili, A, Chen, J, Qi, N, Rong, G, Wang, P, Zhu, Y, Eigen, G, Ofte, I, Stugu, B, Abrams, G, Borgland, A, Breon, A, Brown, D, Button Shafer, J, Cahn, R, Charles, E, Day, C, Gill, M, Gritsan, A, Groysman, Y, Jacobsen, R, Kadel, R, Kadyk, J, Kerth, L, Kolomensky, Y, Kukartsev, G, Lynch, G, Mir, L, Oddone, P, Orimoto, T, Pripstein, M, Roe, N, Ronan, M, Shelkov, V, Wenzel, W, Barrett, M, Ford, K, Harrison, T, Hart, A, Hawkes, C, Morgan, S, Watson, A, Fritsch, M, Goetzen, K, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Steinke, M, Boyd, J, Chevalier, N, Cottingham, W, Kelly, M, Latham, T, Wilson, F, Cuhadar Donszelmann, T, Hearty, C, Knecht, N, Mattison, T, Mckenna, J, Thiessen, D, Khan, A, Kyberd, P, Teodorescu, L, Blinov, A, Blinov, V, Druzhinin, V, Golubev, V, Ivanchenko, V, Kravchenko, E, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Yushkov, A, Best, D, Bruinsma, M, Chao, M, Eschrich, I, Kirkby, D, Lankford, A, Mandelkern, M, Mommsen, R, Roethel, W, Stoker, D, Buchanan, C, Hartfiel, B, Foulkes, S, Gary, J, Shen, B, Wang, K, del Re, D, Hadavand, H, Hill, E, Macfarlane, D, Paar, H, Rahatlou, S, Sharma, V, Berryhill, J, Campagnari, C, Dahmes, B, Long, O, Lu, A, Mazur, M, Richman, J, Verkerke, W, Beck, T, Eisner, A, Heusch, C, Kroseberg, J, Lockman, W, Nesom, G, Schalk, T, Schumm, B, Seiden, A, Spradlin, P, Williams, D, Wilson, M, Albert, J, Chen, E, Dubois Felsmann, G, Dvoretskii, A, Hitlin, D, Narsky, I, Piatenko, T, Porter, F, Ryd, A, Samuel, A, Yang, S, Jayatilleke, S, Mancinelli, G, Meadows, B, Sokoloff, M, Abe, T, Blanc, F, Bloom, P, Chen, S, Ford, W, Nauenberg, U, Olivas, A, Rankin, P, Smith, J, Zhang, J, Zhang, L, Chen, A, Harton, J, Soffer, A, Toki, W, Wilson, R, Zeng, Q, Altenburg, D, Brandt, T, Brose, J, Dickopp, M, Feltresi, E, Hauke, A, Lacker, H, Muller Pfefferkorn, R, Nogowski, R, Otto, S, Petzold, A, Schubert, J, Schubert, K, Schwierz, R, Spaan, B, Sundermann, J, Bernard, D, Bonneaud, G, Brochard, F, Grenier, P, Schrenk, S, Thiebaux, C, Vasileiadis, G, Verderi, M, Bard, D, Clark, P, Lavin, D, Muheim, F, Playfer, S, Xie, Y, Andreotti, M, Azzolini, V, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Luppi, E, Negrini, M, Piemontese, L, Sarti, A, Treadwell, E, Anulli, F, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Patteri, P, Peruzzi, I, Piccolo, M, Zallo, A, Buzzo, A, Capra, R, Contri, R, Crosetti, G, Lo Vetere, M, Macri, M, Monge, M, Passaggio, S, Patrignani, C, Robutti, E, Santroni, A, Tosi, S, Bailey, S, Brandenburg, G, Chaisanguanthum, K, Morii, M, Won, E, Dubitzky, R, Langenegger, U, Bhimji, W, Bowerman, D, Dauncey, P, Egede, U, Morton, G, Nash, J, Nikolich, M, Taylor, G, Charles, M, Grenier, G, Mallik, U, Cochran, J, Crawley, H, Lamsa, J, Meyer, W, Prell, S, Rosenberg, E, Rubin, A, Yi, J, Biasini, M, Covarelli, R, Pioppi, M, Davier, M, Giroux, X, Grosdidier, G, Hocker, A, Laplace, S, Le Diberder, F, Lepeltier, V, Lutz, A, Petersen, T, Plaszczynski, S, Schune, M, Tantot, L, Wormser, G, Cheng, C, Lange, D, Simani, M, Wright, D, Bevan, A, Chavez, C, Coleman, J, Forster, I, Fry, J, Gabathuler, E, Gamet, R, Hutchcroft, D, Parry, R, Payne, D, Sloane, R, Touramanis, C, Back, J, Cormack, C, Harrison, P, Di Lodovico, F, Mohanty, G, Brown, C, Cowan, G, Flack, R, Flaecher, H, Green, M, Jackson, P, Mcmahon, T, Ricciardi, S, Salvatore, F, Winter, M, Davis, C, Allison, J, Barlow, N, Barlow, R, Hart, P, Hodgkinson, M, Lafferty, G, Lyon, A, Williams, J, Chen, C, Farbin, A, Hulsbergen, W, Jawahery, A, Kovalskyi, D, Lae, C, Lillard, V, Roberts, D, Blaylock, G, Dallapiccola, C, Flood, K, Hertzbach, S, Kofler, R, Koptchev, V, Moore, T, Saremi, S, Staengle, H, Willocq, S, Cowan, R, Sciolla, G, Sekula, S, Taylor, F, Yamamoto, R, Mangeol, D, Patel, P, Robertson, S, Lazzaro, A, Lombardo, V, Palombo, F, Bauer, J, Cremaldi, L, Eschenburg, V, Godang, R, Kroeger, R, Reidy, J, Sanders, D, Summers, D, Zhao, H, Brunet, S, Cote, D, Taras, P, Nicholson, H, Cavallo, N, Fabozzi, F, Gatto, C, Lista, L, Monorchio, D, Paolucci, P, Piccolo, D, Sciacca, C, Baak, M, Bulten, H, Raven, G, Snoek, H, Wilden, L, Jessop, C, Losecco, J, Allmendinger, T, Gan, K, Honscheid, K, Hufnagel, D, Kagan, H, Kass, R, Pulliam, T, Rahimi, A, Ter Antonyan, R, Wong, Q, Brau, J, Frey, R, Igonkina, O, Potter, C, Sinev, N, Strom, D, Torrence, E, Colecchia, F, Dorigo, A, Galeazzi, F, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Tiozzo, G, Voci, C, Benayoun, M, Briand, H, Chauveau, J, David, P, de la Vaissiere, C, Del Buono, L, Hamon, O, John, M, Leruste, P, Malcles, J, Ocariz, J, Pivk, M, Roos, L, T'Jampens, S, Therin, G, Manfredi, P, Re, V, Behera, P, Gladney, L, Guo, Q, Panetta, J, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bucci, F, Calderini, G, Carpinelli, M, Forti, F, Giorgi, M, Lusiani, A, Marchiori, G, Martinez Vidal, F, Morganti, M, Neri, N, Paoloni, E, Rama, M, Rizzo, G, Sandrelli, F, Walsh, J, Haire, M, Judd, D, Paick, K, Wagoner, D, Danielson, N, Elmer, P, Lau, Y, Lu, C, Miftakov, V, Olsen, J, Smith, A, Telnov, A, Bellini, F, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Li Gioi, L, Mazzoni, M, Morganti, S, Pierini, M, Piredda, G, Tehrani, F, Voena, C, Christ, S, Wagner, G, Waldi, R, Adye, T, De Groot, N, Franek, B, Geddes, N, Gopal, G, Olaiya, E, Aleksan, R, Emery, S, Gaidot, A, Ganzhur, S, Giraud, P, de Monchenault, G, Kozanecki, W, Legendre, M, London, G, Mayer, B, Schott, G, Vasseur, G, Yeche, C, Zito, M, Purohit, M, Weidemann, A, Wilson, J, Yumiceva, F, Aston, D, Bartoldus, R, Berger, N, Boyarski, A, Buchmueller, O, Claus, R, Convery, M, Cristinziani, M, De Nardo, G, Dong, D, Dorfan, J, Dujmic, D, Dunwoodie, W, Elsen, E, Fan, S, Field, R, Glanzman, T, Gowdy, S, Hadig, T, Halyo, V, Hast, C, Hryn'Ova, T, Innes, W, Kelsey, M, Kim, P, Kocian, M, Leith, D, Libby, J, Luitz, S, Luth, V, Lynch, H, Marsiske, H, Messner, R, Muller, D, O'Grady, C, Ozcan, V, Perazzo, A, Perl, M, Petrak, S, Ratcliff, B, Roodman, A, Salnikov, A, Schindler, R, Schwiening, J, Simi, G, Snyder, A, Soha, A, Stelzer, J, Su, D, Sullivan, M, Va'Vra, J, Wagner, S, Weaver, M, Weinstein, A, Wisniewski, W, Wittgen, M, Yarritu, A, Young, C, Burchat, P, Edwards, A, Meyer, T, Petersen, B, Roat, C, Ahmed, S, Alam, M, Ernst, J, Saeed, M, Saleem, M, Wappler, F, Bugg, W, Krishnamurthy, M, Spanier, S, Eckmann, R, Kim, H, Ritchie, J, Satpathy, A, Schwitters, R, Izen, J, Kitayama, I, Lou, X, Ye, S, Bianchi, F, Bona, M, Gallo, F, Gamba, D, Bosisio, L, Cartaro, C, Cossutti, F, Della Ricca, G, Dittongo, S, Grancagnolo, S, Lanceri, L, Poropat, P, Vitale, L, Vuagnin, G, Panvini, R, Banerjee, S, Fortin, D, Kowalewski, R, Roney, J, Sobie, R, Band, H, Cheng, B, Dasu, S, Datta, M, Eichenbaum, A, Graham, M, Hollar, J, Johnson, J, Kutter, P, Li, H, Liu, R, Mihalyi, A, Mohapatra, A, Pan, Y, Prepost, R, Tan, P, von Wimmersperg Toeller, J, Wu, J, Wu, S, Yu, Z, Greene, M, and Neal, H
Subjects: Optimization, Particle physics, Lepton-flavor violating (LFV), Electron–positron annihilation, BABAR, Charged particle, General Physics and Astronomy, Standard model (SM), Lambda baryon, 01 natural sciences, PARTICLE PHYSICS, PEP2, High Energy Physics - Experiment, NO, Nuclear physics, Silicon microstrip detector, 0103 physical sciences, 010306 general physics, DETECTOR, SLAC, Flavor, Probability, Physics, Neutral current, 010308 nuclear & particles physics, Energy dissipation, Flavor-changing neutral current, Colliding beam accelerator, Microstrip device, HEP, Flavor-changing neutral current (FCNC), Drift chamber, High Energy Physics::Experiment, Particle detector, Lepton
Abstract: We report on a search for the flavor-changing neutral current decays $\Dz\to e^+e^-$ and $\Dz\to\mu^+\mu^-$, and the lepton-flavor violating decay $\Dz\to e^\pm\mu^\mp$. The measurement is based on $122 {fb}^{-1}$ of data collected by the \babar detector at the PEP-II asymmetric $e^+e^-$ collider. No evidence is found for any of the decays. The upper limits on the branching fractions, at the 90 % confidence level, are $1.2\times 10^{-6}$ for $\Dz\to e^+e^-$, $1.3\times 10^{-6}$ for $\Dz\to\mu^+\mu^-$, and $8.1\times 10^{-7}$ for $\Dz\to e^\pm\mu^\mp$., Comment: Minor changes of the text and reference for the publication
Published: 2016

8. Tests ofCPTsymmetry inB0−B¯0mixing and inB0→cc¯K0decays

Author: C. Hearty, A. Roodman, D. J. Summers, R. Cenci, A. G. Denig, A. Zallo, E. Fioravanti, L. Vitale, Roland Waldi, F. Martinez-Vidal, Dominik Müller, A. M. Eisner, F. Ferroni, Tim Adye, R. D. Kass, M. Fritsch, H. Ahmed, Paul Fraser Harrison, Eleonora Luppi, M. V. Purohit, L. M. Cremaldi, F. Di Lodovico, Stephen Robert Wagner, J. Albert, W. Gradl, S. H. Robertson, J. Ocariz, D. J. Payne, R. Godang, F. Simonetto, L. Lanceri, Herbert Koch, J. Dorfan, B. Echenard, K. Griessinger, Peter S. Kim, D. Bernard, F. Forti, F. De Mori, D. G. Hitlin, E. Gabathuler, Abner Soffer, Gabriele Simi, B. N. Ratcliff, Florian Urs Bernlochner, F. Palombo, T. Lueck, W. R. Innes, F. C. Porter, C. L. Davis, Maurizio Biasini, T. S. Mattison, J. L. Ritchie, E. Ben-Haim, S. Luitz, S. I. Serednyakov, R. Stroili, P. Taras, Z. C. Huard, V. E. Blinov, M. Rotondo, N. Arnaud, M. Bomben, Nicola Neri, G. R. Bonneaud, C. Hast, D. J. Lange, G. Piredda, X. C. Lou, J. M. Roney, Owen Rosser Long, G. De Nardo, B. G. Pushpawela, P. Ongmongkolkul, W. Panduro Vazquez, J. P. Coleman, A. Filippi, F. Anulli, Giulia Casarosa, M. Ebert, K. R. Schubert, C. H. Cheng, J. A. Ernst, Roger Barlow, Martino Margoni, Alessandro Gaz, J. G. Smith, R. Y. So, M. Röhrken, G. J. King, T. J. Gershon, G. Wormser, G. Rizzo, M. Rama, J. Va’vra, R. de Sangro, S. L. Wu, A. M. Rossi, M. Chrzaszcz, C. Voß, J. A. McKenna, G. Calderini, R. Cowan, Joseph Izen, S. Bettarini, T. Schroeder, James R. Wilson, A. P. Onuchin, L. Sun, R. C. Field, Elisa Manoni, Adrian John Bevan, N. Tasneem, M. Heß, Alessandro Pilloni, Yu. I. Skovpen, S. Martellotti, E. Paoloni, I. M. Peruzzi, W. Dunwoodie, G. Finocchiaro, D. Gamba, V. Luth, D. R. Peimer, M. Verderi, Aidan Randle-Conde, M. S. Alam, E. A. Kravchenko, Andrei Gritsan, G. Eigen, Crisostomo Sciacca, D. Aston, J. J. Walsh, M. T. Graham, J. P. Lees, F. F. Wilson, F. Bianchi, I. M. Nugent, D. N. Brown, S. Dittrich, Sw. Banerjee, Roberto Calabrese, U. Mallik, S. Prell, Stephen Sekula, S. Emery, N. Guttman, M. Piccolo, E. P. Solodov, T. E. Latham, M. Carpinelli, B. Oberhof, James H Cochran, V. Poireau, T. S. Miyashita, D. S. Chao, C. Bozzi, G. D. Lafferty, K. Honscheid, G. Marchiori, G. Batignani, A. Oyanguren, R. Kowalewski, M. Davier, J. W. Gary, K. Yu. Todyshev, M. Posocco, D. W. G. S. Leith, V. Santoro, S. Akar, C. Touramanis, H. A. Neal, R. Cheaib, J. Chauveau, O. Grünberg, A. Lusiani, V. P. Druzhinin, Yu G. Kolomensky, T. Leddig, D. Bettoni, W. S. Lockman, A. R. Buzykaev, J. M. LoSecco, A. Beaulieu, C. Cartaro, B. Dey, M. Bellis, M. R. Convery, I. Garzia, R. F. Schwitters, C. Patrignani, V. Tisserand, C. H. Chen, S. M. Spanier, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Douglas Wright, G. A. Cowan, V. B. Golubev, A. Palano, A. Calcaterra, David Hutchcroft, P. Patteri, A. M. Lutz, W. J. Wisniewski, S. Passaggio, C. Bünger, J. Kim, A. Jawahery, G. Cibinetto, R. Gorodeisky, D. A. Roberts, A. Hafner, E. M. T. Puccio, D. B. MacFarlane, B. T. Meadows, G. Raven, M. D. Sokoloff, E. Grauges, Mario Giorgi, P. R. Burchat, Colin Jessop, R. Prepost, G. Vasseur, R. Sacco, K. T. Flood, A. J.S. Smith, B. Bhuyan, B. G. Fulsom, and M. K. Sullivan
Subjects: Physics, 010308 nuclear & particles physics, CPT symmetry, Electron–positron annihilation, 0103 physical sciences, Analytical chemistry, BaBar experiment, 010306 general physics, 01 natural sciences, Mixing (physics), Bar (unit)
Abstract: Using the eight time dependences for the decays Upsilon(4S)-> B0 B0bar -> fj fk with the dacay into a flavor-specific state fj = ell+- X before or after the decay into a CP eigenstate fk = c cbar KS,KL, as measured by the BABAR experiment, we determine the three CPT-sensitive parameters Re(z) and Im(z) in B0-B0bar mixing and |Abar/A| in B0 -> c cbar K0 decays. We find Im(z) = 0.010 +- 0.030 +- 0.013, Re(z) = -0.065 +- 0.028 +- 0.014, and |Abar/A| = 0.999 +- 0.023 +- 0.017, in agreement with CPT symmetry.
Published: 2016

9. Measurement of the neutralDmeson mixing parameters in a time-dependent amplitude analysis of theD0→π+π−π0decay

Author: J. A. McKenna, E. Paoloni, J. L. Ritchie, S. I. Serednyakov, M. Rotondo, Elisa Manoni, G. De Nardo, R. Y. So, Debbie Payne, M. Röhrken, B. N. Ratcliff, C. Bünger, Alessandro Pilloni, Giulia Casarosa, G. Wormser, D. E. Hutchcroft, M. T. Graham, J. Kim, R. Sacco, D. R. Peimer, T. Leddig, A. Jawahery, Andrei Gritsan, G. Cibinetto, E. Gabathuler, T. Schroeder, W. R. Innes, Florian Urs Bernlochner, R. F. Schwitters, F. C. Porter, F. Palombo, T. Lueck, A. G. Denig, A. J.S. Smith, W. Dunwoodie, F. Simonetto, W. S. Lockman, A. M. Eisner, Yu. I. Skovpen, G. R. Bonneaud, M. Chrzaszcz, E. Ben-Haim, C. Voß, Yu. G. Kolomensky, A. Oyanguren, M. Piccolo, G. Batignani, M. R. Convery, S. Akar, X. C. Lou, C. Touramanis, Douglas Wright, S. Emery, O. Grünberg, M. V. Purohit, F. Forti, G. Marchiori, J. Albert, T. S. Mattison, B. T. Meadows, Sw. Banerjee, G. Raven, R. Faccini, F. Ferrarotto, A. J. Lankford, M. Bomben, M. D. Sokoloff, S. Luitz, P. R. Burchat, C. Hast, D. J. Lange, R. Cenci, G. Piredda, W. Panduro Vazquez, F. Le Diberder, B. Bhuyan, Roger Barlow, Martino Margoni, R. C. Field, B. G. Fulsom, Gabriele Simi, R. Gorodeisky, G. Finocchiaro, V. Luth, A. Zallo, T. J. Gershon, C. L. Davis, D. W. G. S. Leith, D. A. Roberts, M. S. Alam, I. M. Peruzzi, F. F. Wilson, A. Calcaterra, B. G. Pushpawela, A. Hafner, F. Bianchi, B. Oberhof, E. M. T. Puccio, S. Prell, S. Dittrich, M. K. Sullivan, K. Yu. Todyshev, M. Fritsch, P. Ongmongkolkul, James H Cochran, V. Poireau, M. Heß, D. B. MacFarlane, Eleonora Luppi, A. Lusiani, V. P. Druzhinin, Z. C. Huard, J. Dorfan, E. A. Kravchenko, S. Bettarini, George Lafferty, N. Arnaud, Crisostomo Sciacca, D. Aston, G. A. Cowan, E. Grauges, D. Bettoni, F. Anulli, Mario Giorgi, P. Taras, Alessandro Gaz, C. H. Cheng, C. Hearty, S. H. Robertson, I. Garzia, R. de Sangro, S. L. Wu, C. Patrignani, V. Tisserand, Colin Jessop, D. J. Summers, Herbert Koch, R. Prepost, T. E. Latham, L. M. Cremaldi, M. Carpinelli, K. Griessinger, L. Vitale, F. Martinez-Vidal, Dominik Müller, D. G. Hitlin, H. Ahmed, J. Chauveau, W. Gradl, L. Lanceri, J. Va’vra, V. B. Golubev, G. Vasseur, K. T. Flood, A. Palano, D. Gamba, Peter S. Kim, N. Guttman, P. Patteri, A. M. Lutz, W. J. Wisniewski, S. Passaggio, N. Tasneem, J. M. Roney, Aidan Randle-Conde, V. E. Blinov, J. G. Smith, B. Echenard, D. Bernard, G. Rizzo, M. Rama, C. Cartaro, J. P. Lees, M. Verderi, F. Di Lodovico, J. Ocariz, R. Godang, U. Mallik, N. Neri, C. H. Chen, S. M. Spanier, V. Santoro, J. J. Walsh, D. N. Brown, F. De Mori, James R. Wilson, K. R. Schubert, H. A. Neal, G. Calderini, G. Eigen, A. R. Buzykaev, A. Beaulieu, Tim Adye, R. D. Kass, Roberto Calabrese, Maurizio Biasini, J. W. Gary, Owen Rosser Long, R. Cheaib, E. P. Solodov, T. S. Miyashita, J. A. Ernst, A. P. Onuchin, L. Sun, J. M. LoSecco, Adrian John Bevan, B. Dey, R. Kowalewski, M. Ebert, G. J. King, A. M. Rossi, M. Bellis, Joseph Izen, J. P. Coleman, Stephen Sekula, C. Bozzi, K. Honscheid, R. Stroili, M. Posocco, A. Filippi, R. Cowan, A. Roodman, E. Fioravanti, Roland Waldi, F. Ferroni, Paul Fraser Harrison, Stephen Robert Wagner, S. Martellotti, I. M. Nugent, D. S. Chao, M. Davier, and Abner Soffer
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, Resonance, Charge (physics), 7. Clean energy, 01 natural sciences, Nuclear physics, Amplitude, Pion, 0103 physical sciences, D meson, High Energy Physics::Experiment, Production (computer science), 010306 general physics
Abstract: We measure the $D^0 - {\bar{D}}^0$ mixing parameters using a time-dependent amplitude analysis of the decay $D^0\to\pi^+\pi^-\pi^0$. The data were recorded with the BABAR detector at center-of-mass energies at and near the $\Upsilon(4S)$ resonance, and correspond to an integrated luminosity of approximately 468.1 ${\rm fb}^{-1}$. The neutral $D$ meson candidates are selected from $D^{*}(2010)^+\to D^0 \pi_s^+$ decays where the flavor at the production is identified by the charge of the low momentum pion, $\pi_s^+$. The measured mixing parameters are $x = (1.5\pm1.2\pm0.6) \%$ and $y = (0.2\pm0.9\pm0.5) \%$, where the quoted uncertainties are statistical and systematic, respectively.
Published: 2016

10. Time-dependent analysis ofB0→KS0π−π+γdecays and studies of theK+π−π+system inB+→K+π−π+γdecays

Author: Giulia Casarosa, Colin Jessop, G. Wormser, R. Prepost, Abner Soffer, R. Faccini, T. Schroeder, G. Lynch, F. Ferrarotto, A. J. Lankford, F. Le Diberder, J. D. Richman, V. B. Golubev, J. L. Ritchie, G. Vasseur, K. T. Flood, D. Su, Maria Roberta Monge, S. I. Serednyakov, A. Palano, M. Piccolo, J. A. McKenna, V. Luth, R. Y. So, S. H. Robertson, Gabriele Simi, G. A. Cowan, V. Prasad, Roberto Calabrese, G. Batignani, R. Andreassen, C. L. Davis, Marcello Rotondo, Herbert Koch, A. G. Denig, B. N. Ratcliff, A. Stocchi, W. R. Innes, D. B. Macfarlane, L. M. Cremaldi, R. Cenci, A. Zallo, F. Forti, Sw. Banerjee, W. Dunwoodie, Stefan Spanier, F. Di Lodovico, J. Ocariz, E. Ben-Haim, M. Fritsch, B. Spaan, J. W. Gary, F. De Mori, C. Cartaro, K. Griessinger, P. Patteri, D. J. Payne, R. Godang, D. G. Hitlin, Eleonora Luppi, U. Uwer, R. Cheaib, R. Stroili, W. Gradl, P. Del Amo Sanchez, Brian Meadows, L. Lanceri, W. J. Wisniewski, M. J. Lee, V. E. Blinov, Nicola Neri, Elisa Manoni, Heiko Lacker, Yu. G. Kolomensky, J. M. LoSecco, Alessandro Pilloni, C. Hearty, P. C. Kim, M. Verderi, E. P. Solodov, T. S. Miyashita, B. Dey, Bogdan Malaescu, G. Rizzo, D. J. Summers, B. Hamilton, M. Ebert, A. Rossi, S. Playfer, R. H. Schindler, P. Roudeau, E. Grauges, Bruce Schumm, G. De Nardo, U. Mallik, Z. C. Huard, Joseph Izen, G. J. King, A. M. Lutz, M. K. Sullivan, M. Röhrken, J. J. Walsh, Sridhara Dasu, E. Gabathuler, F. C. Porter, Dmytro Kovalskyi, Corrado Angelini, A. Roodman, J. P. Lees, R. J. Sobie, Stephen Sekula, J. Dorfan, J. M. Roney, A. Calcaterra, L. Vitale, F. Martinez-Vidal, E. O. Olaiya, Florian Urs Bernlochner, E. Fioravanti, S. Luitz, K. R. Schubert, D. Lopes Pegna, D. R. Peimer, D. Gamba, Roland Waldi, F. Ferroni, Dominik Müller, J. G. Smith, T. Pulliam, S. Passaggio, M. Bellis, T. Lueck, M. Chrzaszcz, James D. Olsen, C. Voß, A. Khan, C. Bozzi, C. Bünger, Paul Fraser Harrison, Marco Bomben, J. Chauveau, Mauro Morandin, Andrei Gritsan, V. Santoro, N. Guttman, F. Palombo, F. Anulli, R. C. Field, H. Ahmed, B. Stugu, K. Honscheid, J. Kim, C. Hast, L. T. Kerth, Douglas Wright, A. Oyanguren, Stephen Robert Wagner, A. Jawahery, C. H. Chen, R. Ayad, N. Tasneem, G. Marchiori, G. Cibinetto, P. Ongmongkolkul, James R. Wilson, D. Aston, S. Martellotti, H. Briand, D. E. Hutchcroft, C. Touramanis, T. Leddig, Aidan Randle-Conde, M. Franco Sevilla, B. Bhuyan, H. R. Band, W. S. Lockman, Yu. I. Skovpen, B. G. Fulsom, M. Posocco, M. Carpinelli, D. N. Brown, M. R. Convery, G. Eigen, P. M. Patel, O. Grünberg, Christopher West, G. R. Bonneaud, H. Neal, H. H. F. Choi, S. Emery, M. J. Lewczuk, F. Simonetto, D. W G S Leith, A. R. Buzykaev, E. A. Kravchenko, G. Calderini, A. Beaulieu, T. S. Mattison, Crisostomo Sciacca, M. Hess, D. J. Lange, G. Piredda, A. Filippi, H. W. Wulsin, W. Panduro Vazquez, R. Cowan, A. Snyder, T. J. Gershon, A. M. Eisner, M. T. Graham, X. C. Lou, M. V. Purohit, Maurizio Biasini, J. Albert, R. F. Schwitters, Owen Rosser Long, A. Seiden, J. A. Ernst, J. R. Fry, C. H. Cheng, A. Adametz, R. de Sangro, S. L. Wu, A. P. Onuchin, W. H. Toki, L. Sun, W. T. Ford, Tim Adye, R. D. Kass, P. Taras, M. Gaspero, Adrian John Bevan, J. P. Coleman, Eugenio Paoloni, Matteo Rama, Simon Akar, G. Onorato, S. Prell, James H Cochran, V. Poireau, G. Raven, Marcello Giorgi, Y. B. Pan, M. D. Sokoloff, P. R. Burchat, D. J. Bard, V. P. Druzhinin, R. Kowalewski, Roger Barlow, Martino Margoni, R. Gorodeisky, T. M. Hong, M. Simard, D. A. Roberts, G. Grosdidier, A. Hafner, E. M. T. Puccio, Denis Derkach, R. Sacco, A. J.S. Smith, I. M. Nugent, D. S. Chao, M. Davier, S. Bettarini, George Lafferty, R. Contri, B. Echenard, D. Bernard, B. G. Pushpawela, D. Bettoni, Alberto Lusiani, G. Finocchiaro, M. S. Alam, Fergus Wilson, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, B. Oberhof, J. Va'Vra, I. M. Peruzzi, K. Yu. Todyshev, F. Bianchi, S. Dittrich, Ph Leruste, and N. Arnaud
Subjects: Physics, 010308 nuclear & particles physics, Radiative decay, 01 natural sciences, Nuclear physics, Research council, 0103 physical sciences, media_common.cataloged_instance, Christian ministry, Russian federation, European union, 010306 general physics, Humanities, media_common
Abstract: This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat a l’Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules (France), the Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Ciencia e Innovacion (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union), the A. P. Sloan Foundation (USA) and the Binational Science Foundation (USA–Israel).
Published: 2016

11. Search for mixing-inducedCPviolation using partial reconstruction ofB¯0→D*+Xℓ−ν¯ℓand kaon tagging

Author: Alessandro Pilloni, D. R. Peimer, R. Ayad, James R. Wilson, H. Briand, A. Adametz, D. Aston, J. J. Walsh, R. H. Schindler, M. Hess, Abner Soffer, A. Roodman, A. Stocchi, A. M. Lutz, F. Simonetto, E. Fioravanti, Roland Waldi, Maria Roberta Monge, F. Ferroni, P. Taras, J. A. McKenna, G. Eigen, C. Cartaro, D. B. Macfarlane, E. Paoloni, D. N. Brown, A. Filippi, J. L. Ritchie, Paul Fraser Harrison, D. Su, S. Bettarini, S. Passaggio, V. E. Blinov, S. I. Serednyakov, V. B. Golubev, G. D. Lafferty, Y. B. Pan, R. Kowalewski, Ju-Young Kim, Stefan Spanier, M. Morandin, U. Uwer, M. Piccolo, R. Stroili, F. Forti, R. Cowan, Stephen Robert Wagner, L. Piemontese, P. Roudeau, M. Gaspero, J. P. Coleman, G. Batignani, R. Y. So, A. Palano, R. Andreassen, F. De Mori, E. Gabathuler, M. K. Sullivan, G. Rizzo, M. Rama, Elisa Manoni, M. T. Graham, S. Prell, A. Calcaterra, D. Gamba, M. J. Lee, Heiko Lacker, E. Ben-Haim, F. C. Porter, Denis Derkach, L. M. Cremaldi, W. T. Ford, W. R. Innes, E. P. Solodov, T. S. Miyashita, James H Cochran, V. Poireau, G. J. King, S. Playfer, B. Hamilton, M. Ebert, X. C. Lou, N. Guttman, Corrado Angelini, Tim Adye, Stephen Sekula, R. D. Kass, J. M. Roney, C. Hearty, B. Stugu, D. J. Bard, B. Spaan, S. Luitz, K. R. Schubert, A. M. Rossi, Joseph Izen, P. C. Kim, D. Lopes Pegna, G. Lynch, P. Patteri, A. Lusiani, G. Marchiori, W. Gradl, V. P. Druzhinin, M. Rotondo, C. H. Chen, S. Martellotti, Maurizio Biasini, D. J. Summers, M. Chrzaszcz, A. Khan, J. G. Smith, R. Contri, J. Chauveau, C. Voß, M. Carpinelli, C. Bozzi, J. Dorfan, L. Lanceri, B. Malaescu, C. Bünger, R. Faccini, F. Ferrarotto, A. J. Lankford, K. Honscheid, Owen Rosser Long, Yu. I. Skovpen, D. G. Hitlin, G. De Nardo, F. Le Diberder, R. J. Sobie, M. Bellis, T. M. Hong, I. M. Nugent, Dmytro Kovalskyi, J. D. Richman, A. Seiden, J. P. Lees, A. Jawahery, L. Vitale, M. Röhrken, F. Martinez-Vidal, G. Finocchiaro, Dominik Müller, Marco Bomben, G. Cibinetto, F. Di Lodovico, J. A. Ernst, Nicola Neri, M. Posocco, D. J. Payne, M. S. Alam, Sw. Banerjee, D. S. Chao, W. Dunwoodie, M. Davier, V. Luth, A. P. Onuchin, L. Sun, Giulia Casarosa, G. Wormser, Gabriele Simi, R. F. Schwitters, F. F. Wilson, V. Prasad, Roberto Calabrese, G. A. Cowan, M. Verderi, T. Pulliam, C. L. Davis, Adrian John Bevan, Bruce Schumm, B. Oberhof, J. Va'Vra, R. C. Field, H. Ahmed, B. Echenard, T. Schroeder, J. Ocariz, R. Godang, K. Yu. Todyshev, H. Neal, D. Bernard, V. Santoro, J. W. Gary, A. G. Denig, B. N. Ratcliff, D. W G S Leith, A. R. Buzykaev, A. Beaulieu, T. S. Mattison, R. Cheaib, D. Bettoni, W. J. Wisniewski, U. Mallik, J. M. LoSecco, Roger Barlow, Martino Margoni, D. J. Lange, G. Piredda, M. R. Convery, H. W. Wulsin, Andrei Gritsan, Christopher West, W. Panduro Vazquez, I. Garzia, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, H. H. F. Choi, A. Snyder, T. J. Gershon, S. Emery, Colin Jessop, R. Prepost, A. Oyanguren, C. Touramanis, B. G. Pushpawela, O. Grünberg, D. E. Hutchcroft, G. Vasseur, K. T. Flood, T. Leddig, R. Cenci, A. Zallo, H. R. Band, W. S. Lockman, Yu. G. Kolomensky, M. Fritsch, Eleonora Luppi, Douglas Wright, E. Grauges, Mario Giorgi, Sridhara Dasu, R. Sacco, A. J.S. Smith, R. Gorodeisky, M. Simard, D. A. Roberts, G. Grosdidier, A. Hafner, E. M. T. Puccio, Simon Akar, G. Onorato, B. T. Meadows, G. Raven, M. D. Sokoloff, P. R. Burchat, Enrico Robutti, P. Ongmongkolkul, J. R. Fry, T. E. Latham, C. H. Cheng, M. J. Lewczuk, S. H. Robertson, R. de Sangro, S. L. Wu, E. A. Kravchenko, Herbert Koch, W. H. Toki, Crisostomo Sciacca, K. Griessinger, E. O. Olaiya, A. M. Eisner, Florian Urs Bernlochner, Z. C. Huard, F. Palombo, T. Lueck, James D. Olsen, F. Anulli, M. V. Purohit, C. Hast, Alessandro Gaz, B. Bhuyan, J. Albert, B. G. Fulsom, L. T. Kerth, P. M. Patel, G. R. Bonneaud, G. Calderini, N. Tasneem, Aidan Randle-Conde, M. Franco Sevilla, Ph Leruste, N. Arnaud, Biplab Dey, I. M. Peruzzi, F. Bianchi, and S. Dittrich
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, 01 natural sciences, Decay time, Research council, 0103 physical sciences, media_common.cataloged_instance, CP violation, Russian federation, Christian ministry, European union, 010306 general physics, Humanities, media_common
Abstract: This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat a l’Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules (France), the Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Economia y Competitividad (Spain), the Science and Technology Facilities Council (United Kingdom) and the Binational Science Foundation (U.S.-Israel). Individuals have received support from the Marie-Curie IEF program (European Union) and the A. P. Sloan Foundation (USA).
Published: 2016

12. Observation ofB¯→D(*) π+π−ℓ−ν¯Decays ine+e−Collisions at theΥ(4S)Resonance

Author: S. H. Robertson, H. Neal, Herbert Koch, R. H. Schindler, K. Griessinger, J. L. Ritchie, R. Faccini, F. Ferrarotto, A. J. Lankford, D. W G S Leith, A. R. Buzykaev, A. Beaulieu, A. Roodman, A. M. Lutz, F. Le Diberder, S. I. Serednyakov, J. R. Fry, C. H. Cheng, V. E. Blinov, Yu. I. Skovpen, C. H. Chen, G. Rizzo, M. Rama, Dmytro Kovalskyi, J. P. Lees, J. D. Richman, T. Pulliam, J. A. McKenna, V. Santoro, T. S. Mattison, S. Passaggio, R. de Sangro, S. L. Wu, E. Fioravanti, C. Bünger, R. Y. So, L. M. Cremaldi, S. Prell, M. Verderi, R. Godang, T. E. Latham, A. Jawahery, D. J. Lange, Roland Waldi, Douglas Wright, F. Ferroni, G. Piredda, H. W. Wulsin, W. Panduro Vazquez, U. Mallik, Z. C. Huard, R. Andreassen, W. H. Toki, James H Cochran, V. Poireau, G. Cibinetto, V. Luth, G. Lynch, Corrado Angelini, Stephen Sekula, F. De Mori, D. G. Hitlin, A. Snyder, N. Neri, G. A. Cowan, D. J. Bard, A. Lusiani, Abner Soffer, D. Lopes Pegna, Heiko Lacker, T. J. Gershon, V. Prasad, F. Anulli, V. P. Druzhinin, A. M. Eisner, M. R. Convery, R. Cenci, A. Khan, C. Bozzi, A. Zallo, Paul Fraser Harrison, Ju-Young Kim, Christopher West, Maurizio Biasini, D. E. Hutchcroft, T. Leddig, Roberto Calabrese, T. M. Hong, M. J. Lewczuk, K. Honscheid, H. R. Band, C. Hearty, N. Tasneem, W. S. Lockman, E. A. Kravchenko, Gabriele Simi, B. Bhuyan, S. Luitz, D. Gamba, B. G. Fulsom, Owen Rosser Long, A. Seiden, P. C. Kim, Elisa Manoni, K. R. Schubert, C. L. Davis, S. Playfer, D. J. Summers, Crisostomo Sciacca, M. V. Purohit, Roger Barlow, Martino Margoni, Stephen Robert Wagner, N. Guttman, J. A. Ernst, A. Adametz, M. Fritsch, Giulia Casarosa, M. Posocco, Maria Roberta Monge, J. Albert, G. Wormser, V. B. Golubev, R. J. Sobie, Eleonora Luppi, J. Ocariz, J. Chauveau, B. Stugu, L. Vitale, A. P. Onuchin, I. M. Peruzzi, L. Sun, M. Hess, F. Martinez-Vidal, Dominik Müller, E. Paoloni, T. Schroeder, Aidan Randle-Conde, Bruce Schumm, G. Marchiori, P. Taras, A. Filippi, Adrian John Bevan, A. Palano, Alessandro Pilloni, M. Franco Sevilla, R. C. Field, J. W. Gary, H. Ahmed, S. Martellotti, A. Calcaterra, M. Carpinelli, P. Ongmongkolkul, D. R. Peimer, M. Gaspero, R. Cowan, F. Simonetto, A. Stocchi, A. Oyanguren, D. Aston, R. Cheaib, F. Bianchi, B. Malaescu, C. Cartaro, J. P. Coleman, Andrei Gritsan, M. T. Graham, D. B. Macfarlane, Marco Bomben, W. R. Innes, W. J. Wisniewski, S. Dittrich, J. J. Walsh, R. F. Schwitters, F. Forti, C. Touramanis, W. T. Ford, D. Bettoni, A. G. Denig, B. N. Ratcliff, Tim Adye, J. M. LoSecco, I. M. Nugent, R. D. Kass, E. Grauges, X. C. Lou, O. Grünberg, D. N. Brown, B. Dey, P. Roudeau, Mario Giorgi, Y. B. Pan, P. Patteri, R. Kowalewski, G. J. King, Sridhara Dasu, Yu. G. Kolomensky, J. Dorfan, D. S. Chao, Colin Jessop, R. Gorodeisky, M. Simard, D. A. Roberts, R. Prepost, Ph Leruste, N. Arnaud, M. Davier, G. Vasseur, K. T. Flood, E. O. Olaiya, M. J. Lee, Florian Urs Bernlochner, F. Palombo, T. Lueck, James D. Olsen, G. Grosdidier, B. Hamilton, M. Ebert, A. M. Rossi, Joseph Izen, C. Hast, L. T. Kerth, A. Hafner, P. M. Patel, G. R. Bonneaud, E. M. T. Puccio, I. Garzia, G. Calderini, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, E. Gabathuler, F. C. Porter, Simon Akar, M. Chrzaszcz, C. Voß, G. Onorato, Sw. Banerjee, W. Dunwoodie, B. T. Meadows, G. Raven, M. D. Sokoloff, P. R. Burchat, R. Sacco, A. J.S. Smith, R. Ayad, James R. Wilson, H. Briand, G. Eigen, Stefan Spanier, M. Morandin, U. Uwer, R. Stroili, E. P. Solodov, T. S. Miyashita, M. Bellis, M. Rotondo, G. De Nardo, M. Röhrken, B. G. Pushpawela, D. Su, M. Piccolo, G. Batignani, E. Ben-Haim, Denis Derkach, F. Di Lodovico, R. Contri, D. J. Payne, G. Finocchiaro, M. S. Alam, B. Echenard, M. K. Sullivan, D. Bernard, J. M. Roney, F. F. Wilson, B. Oberhof, J. Va'Vra, S. Bettarini, J. G. Smith, K. Yu. Todyshev, B. Spaan, H. H. F. Choi, W. Gradl, S. Emery, L. Lanceri, and G. D. Lafferty
Subjects: Physics, Particle physics, Muon, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, General Physics and Astronomy, 01 natural sciences, B-factory, Isospin, 0103 physical sciences, B meson, 010306 general physics
Abstract: We report on measurements of the decays of B¯ mesons into the semileptonic final states B¯→D^(*)π^(+)π^(-)l^(-)ν¯, where D^(*) represents a D or D^(*) meson and l^(-) is an electron or a muon. These measurements are based on 471×10^(6) BB ¯ pairs recorded with the BABAR detector at the SLAC asymmetric B factory PEP-II. We determine the branching fraction ratios R_{π^{+}π^{-}}^{(*)}=B(B[over ¯]→D^{(*)}π^{+}π^{-}l^{-}ν[over ¯])/B(B[over ¯]→D^{(*)}l^{-}ν[over ¯]) using events in which the second B meson is fully reconstructed. We find R_{π^{+}π^{-}}=0.067±0.010±0.008 and R_{π^{+}π^{-}}^{*}=0.019±0.005±0.004, where the first uncertainty is statistical and the second is systematic. Based on these results and assuming isospin invariance, we estimate that B[over ¯]→D^{(*)}ππl^{-}ν[over ¯] decays, where π denotes either a π^{±} and π^{0} meson, account for up to half the difference between the measured inclusive semileptonic branching fraction to charm hadrons and the corresponding sum of previously measured exclusive branching fractions.
Published: 2016

13. Measurement of theI=1/2Kπ S-wave amplitude from Dalitz plot analyses ofηc→KK¯πin two-photon interactions

Author: J. L. Ritchie, Herbert Koch, S. I. Serednyakov, R. Y. So, K. Griessinger, F. De Mori, A. G. Denig, Brian Meadows, A. Oyanguren, G. J. King, S. Emery, Colin Jessop, K. R. Schubert, F. Di Lodovico, Timothy Gershon, T. Leddig, D. J. Payne, R. Godang, Yu. G. Kolomensky, W. S. Lockman, Biplab Dey, R. Kowalewski, H. A. Neal, M. R. Convery, R. Gorodeisky, D. A. Roberts, J. Chauveau, R. Prepost, C. Touramanis, C. H. Chen, S. M. Spanier, J. R. Smith, B. Bhuyan, D. Bettoni, B. G. Fulsom, R. Stroili, Marcin Chrzaszcz, R. Calabrese, G. Vasseur, K. T. Flood, M. Verderi, A. Hafner, A. Calcaterra, U. Mallik, A. R. Buzykaev, B. N. Ratcliff, Elisa Manoni, A. Roodman, A. M. Lutz, E. M. T. Puccio, A. Beaulieu, R. Cenci, J. M. Roney, M. K. Sullivan, Marco Bomben, W. J. Wisniewski, I. Garzia, James R. Wilson, Thomas Latham, C. Patrignani, A. Zallo, E. A. Kravchenko, V. Tisserand, Yu. I. Skovpen, E. Fioravanti, Maurizio Biasini, Douglas Wright, S. Passaggio, M. Fritsch, D. B. MacFarlane, Z. C. Huard, Miriam Heß, Roland Waldi, M. T. Graham, J. Ocariz, Eleonora Luppi, Andrei Gritsan, Owen Rosser Long, C. Bünger, G. Eigen, F. Ferroni, D. N. Brown, S. Bettarini, George Lafferty, A. Filippi, J. W. Gary, Crisostomo Sciacca, D. Aston, J. A. Ernst, J. Kim, Sw. Banerjee, F. Anulli, R. Cheaib, Alessandro Gaz, A. Jawahery, A. P. Onuchin, R. Cowan, L. Sun, G. Cibinetto, R. Sacco, E. Grauges, Mario Giorgi, Abner Soffer, E. P. Solodov, T. S. Miyashita, Adrian John Bevan, J. M. LoSecco, Alessandro Pilloni, D. R. Peimer, J. J. Walsh, T. S. Mattison, G. R. Bonneaud, Michael R. Pennington, Paul Fraser Harrison, O. Grünberg, C. Hast, D. J. Lange, A. J.S. Smith, D. W. G. S. Leith, G. Piredda, W. Panduro Vazquez, Simon Akar, M. Carpinelli, Stephen Sekula, Tim Adye, M. Bellis, R. D. Kass, J. A. McKenna, E. Gabathuler, C. Bozzi, K. Honscheid, W. R. Innes, F. C. Porter, E. Paoloni, G. Calderini, G. Raven, V. B. Golubev, P. R. Burchat, Fernando Palombo, Stephen Robert Wagner, Christian Voß, Matteo Rama, M. Posocco, A. Palano, S. Prell, J. Dorfan, Michael Sokoloff, James H Cochran, V. Poireau, Roger Barlow, Martino Margoni, Florian Urs Bernlochner, T. Lueck, David Hutchcroft, W. Gradl, P. Ongmongkolkul, L. Lanceri, M. Ebert, N. Tasneem, S. Luitz, P. Patteri, R. C. Field, V. P. Druzhinin, G. Finocchiaro, Aidan Randle-Conde, V. Luth, A. M. Rossi, M. S. Alam, Joseph Izen, M. Piccolo, S. Martellotti, B. Oberhof, N. Arnaud, G. Batignani, K. Yu. Todyshev, B. G. Pushpawela, I. M. Nugent, D. S. Chao, M. Davier, R. F. Schwitters, C. H. Cheng, Alberto Lusiani, G. De Nardo, R. de Sangro, S. L. Wu, M. Röhrken, P. Taras, B. Echenard, D. Bernard, J. P. Coleman, Fergus Wilson, A. M. Eisner, G. Hamel de Monchenault, M. V. Purohit, J. Albert, I. M. Peruzzi, V. Santoro, F. Bianchi, S. Dittrich, V. E. Blinov, G. Rizzo, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Marcello Rotondo, L. M. Cremaldi, G. A. Cowan, D. G. Hitlin, J. Va’vra, Nicola Neri, D. Gamba, Giulia Casarosa, G. Wormser, N. Guttman, G. Marchiori, T. Schroeder, W. Dunwoodie, F. Simonetto, Jean-Pierre Lees, C. Cartaro, E. Ben-Haim, X. C. Lou, C. Hearty, D. J. Summers, L. Vitale, F. Martinez-Vidal, Dominik Müller, H. Ahmed, F. Forti, Gabriele Simi, C. L. Davis, Peter S. Kim, and S. H. Robertson
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Partial wave analysis, Electron–positron annihilation, Phase (waves), Resonance, Dalitz plot, 01 natural sciences, law.invention, Nuclear physics, Amplitude, law, 0103 physical sciences, 010306 general physics, Collider
Abstract: We study the processes γγ→K^0_SK^±π^∓ and γγ→K^+K^−π^0 using a data sample of 519 fb^(−1) recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e− collider at center-of-mass energies at and near the Υ(nS) (n=2, 3, 4) resonances. We observe ηc decays to both final states and perform Dalitz plot analyses using a model-independent partial wave analysis technique. This allows a model-independent measurement of the mass-dependence of the I=1/2 Kπ S-wave amplitude and phase. A comparison between the present measurement and those from previous experiments indicates similar behavior for the phase up to a mass of 1.5 GeV/c^2. In contrast, the amplitudes show very marked differences. The data require the presence of a new a_0(1950) resonance with parameters m=1931±14±22 MeV/c^2 and Γ=271±22±29 MeV.
Published: 2016

14. Collins asymmetries in inclusive chargedKKandKπpairs produced ine+e−annihilation

Author: M. Hess, Alessandro Pilloni, D. R. Peimer, A. M. Eisner, S. Martellotti, M. Rotondo, B. N. Ratcliff, J. L. Ritchie, G. De Nardo, R. Cowan, S. I. Serednyakov, A. Adametz, F. De Mori, M. Röhrken, Z. C. Huard, M. V. Purohit, I. M. Nugent, J. Albert, S. Luitz, P. Taras, R. Y. So, Heiko Lacker, H. A. Neal, Biplab Dey, L. M. Cremaldi, D. S. Chao, F. Anulli, M. Davier, Bruce Schumm, F. Di Lodovico, R. Andreassen, I. M. Peruzzi, A. Calcaterra, B. G. Pushpawela, Yu. I. Skovpen, Alessandro Gaz, F. Bianchi, J. Dorfan, M. Gaspero, S. Dittrich, J. P. Coleman, D. J. Payne, R. Godang, V. Prasad, Roberto Calabrese, Y. B. Pan, R. Kowalewski, D. Bettoni, Ph Leruste, A. R. Buzykaev, K. R. Schubert, N. Arnaud, A. Beaulieu, R. Cenci, R. C. Field, S. H. Robertson, D. G. Hitlin, Simon Akar, A. Oyanguren, A. Zallo, A. Stocchi, Abner Soffer, G. Finocchiaro, V. Luth, M. J. Lee, G. Onorato, J. Chauveau, Marco Bomben, Herbert Koch, Corrado Angelini, A. Filippi, Stephen Sekula, M. S. Alam, B. Hamilton, M. Ebert, J. R. Fry, Andrei Gritsan, Denis Derkach, D. Su, M. Fritsch, C. Cartaro, D. Lopes Pegna, B. T. Meadows, Douglas Wright, A. Khan, G. Raven, K. Griessinger, C. Bozzi, K. Honscheid, A. M. Rossi, R. Contri, M. D. Sokoloff, P. R. Burchat, Dmytro Kovalskyi, Eleonora Luppi, Joseph Izen, R. F. Schwitters, A. Snyder, F. F. Wilson, C. H. Cheng, M. Piccolo, J. P. Lees, C. Touramanis, J. Ocariz, Giulia Casarosa, G. Wormser, R. de Sangro, S. L. Wu, J. W. Gary, M. Posocco, Maria Roberta Monge, I. Garzia, P. Ongmongkolkul, F. Forti, Maurizio Biasini, J. A. McKenna, G. Batignani, K. Yu. Todyshev, Colin Jessop, A. Roodman, Christopher West, B. Echenard, B. Bhuyan, T. Schroeder, R. Prepost, D. Bernard, E. Fioravanti, T. Pulliam, W. Dunwoodie, E. Paoloni, S. Prell, O. Grünberg, E. O. Olaiya, Peter S. Kim, C. Patrignani, V. Tisserand, B. Oberhof, M. J. Lewczuk, James H Cochran, R. Cheaib, F. Simonetto, V. Poireau, Roger Barlow, Martino Margoni, Florian Urs Bernlochner, B. G. Fulsom, P. Roudeau, J. Va’vra, Owen Rosser Long, W. H. Toki, V. Santoro, R. H. Schindler, A. Seiden, R. Sacco, A. Lusiani, X. C. Lou, J. J. Walsh, F. Palombo, T. Lueck, A. G. Denig, S. Bettarini, Roland Waldi, F. Ferroni, Paul Fraser Harrison, H. W. Wulsin, V. E. Blinov, J. A. Ernst, E. Ben-Haim, D. Gamba, G. P. Dubois-Felsmann, V. P. Druzhinin, James D. Olsen, E. A. Kravchenko, Crisostomo Sciacca, D. Aston, T. S. Mattison, G. Vasseur, H. H. F. Choi, K. T. Flood, S. Emery, D. N. Brown, P. M. Patel, G. Rizzo, M. Rama, Stephen Robert Wagner, N. Guttman, Sw. Banerjee, A. P. Onuchin, L. Sun, A. J.S. Smith, C. Hast, D. J. Lange, T. M. Hong, G. Piredda, C. Hearty, L. T. Kerth, B. Stugu, W. Panduro Vazquez, Yu. G. Kolomensky, M. K. Sullivan, W. T. Ford, Adrian John Bevan, T. E. Latham, M. Carpinelli, R. Gorodeisky, D. J. Summers, G. Lynch, J. M. Roney, G. D. Lafferty, E. Grauges, Tim Adye, R. D. Kass, T. J. Gershon, J. M. LoSecco, G. Marchiori, Mario Giorgi, R. J. Sobie, N. Tasneem, B. Spaan, M. Simard, D. A. Roberts, L. Vitale, G. Grosdidier, Sridhara Dasu, F. Martinez-Vidal, Dominik Müller, W. Gradl, L. Lanceri, J. G. Smith, Elisa Manoni, S. Playfer, R. Faccini, F. Ferrarotto, A. J. Lankford, A. Hafner, H. Ahmed, F. Le Diberder, Bogdan Malaescu, Aidan Randle-Conde, E. M. T. Puccio, M. Franco Sevilla, J. D. Richman, M. T. Graham, D. J. Bard, Gabriele Simi, V. B. Golubev, D. B. MacFarlane, C. L. Davis, G. A. Cowan, L. Piemontese, E. Gabathuler, W. R. Innes, F. C. Porter, A. Palano, M. Chrzaszcz, C. Voß, G. R. Bonneaud, G. J. King, D. W. G. S. Leith, G. Calderini, P. Patteri, C. Bünger, A. Jawahery, G. Cibinetto, A. M. Lutz, W. J. Wisniewski, S. Passaggio, D. E. Hutchcroft, T. Leddig, H. R. Band, W. S. Lockman, M. R. Convery, C. H. Chen, S. M. Spanier, M. Verderi, U. Mallik, N. Neri, P. C. Bloom, M. Morandin, U. Uwer, R. Stroili, E. P. Solodov, T. S. Miyashita, M. Bellis, R. Ayad, James R. Wilson, H. Briand, and G. Eigen
Subjects: Quark, Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Electron–positron annihilation, Hadron, Center (category theory), BaBar experiment, High Energy Physics::Experiment, Sign (mathematics), B-factory
Abstract: We present measurements of Collins asymmetries in the inclusive process e^+e^− → h_1h_2X, h_1h_2 = KK, Kπ, ππ, at the center-of-mass energy of 10.6 GeV, using a data sample of 468 fb^(−1) collected by the BABAR experiment at the PEP-II B factory at SLAC National Accelerator Center. Considering hadrons in opposite thrust hemispheres of hadronic events, we observe clear azimuthal asymmetries in the ratio of unlike sign to like sign, and unlike sign to all charged h_1h_2 pairs, which increase with hadron energies. The Kπ asymmetries are similar to those measured for the ππ pairs, whereas those measured for high-energy KK pairs are, in general, larger.
Published: 2015

15. Measurement of initial-state–final-state radiation interference in the processese+e−→μ+μ−γande+e−→π+π−γ

Author: W. T. Ford, Tim Adye, R. D. Kass, Peter S. Kim, B. Bhuyan, A. Adametz, U. Uwer, B. Oberhof, M. J. Lewczuk, C. Bünger, Corrado Angelini, Stephen Sekula, Roger Barlow, Martino Margoni, E. P. Solodov, T. S. Miyashita, A. Oyanguren, Bruce Schumm, J. L. Ritchie, D. Lopes Pegna, S. I. Serednyakov, B. G. Fulsom, E. A. Kravchenko, Yu. I. Skovpen, Marcello Rotondo, B. N. Ratcliff, T. S. Mattison, J. Va’vra, G. Lynch, R. Cenci, A. Khan, C. Bozzi, K. Honscheid, J. Kim, A. Jawahery, G. Cibinetto, L. M. Cremaldi, Crisostomo Sciacca, D. Aston, C. Hast, A. Zallo, I. M. Peruzzi, P. Taras, D. Gamba, F. De Mori, Y. B. Pan, R. Kowalewski, N. Tasneem, M. Carpinelli, M. Fritsch, G. De Nardo, R. Y. So, V. Prasad, D. J. Lange, G. Piredda, W. Panduro Vazquez, M. Posocco, Gabriele Simi, M. J. Lee, N. Guttman, C. L. Davis, B. Stugu, Andrei Gritsan, Heiko Lacker, Eleonora Luppi, M. Röhrken, R. Andreassen, M. K. Sullivan, H. H. F. Choi, M. Ebert, D. G. Hitlin, F. Palombo, S. Bettarini, C. Voß, H. W. Wulsin, G. Marchiori, J. Ocariz, M. Gaspero, Abner Soffer, George Lafferty, Aidan Randle-Conde, B. Hamilton, V. E. Blinov, S. Emery, M. Hess, A. M. Rossi, M. Bellis, J. P. Coleman, F. Bianchi, C. Cartaro, A. Stocchi, M. Franco Sevilla, Joseph Izen, J. W. Gary, Nicola Neri, Matteo Rama, G. P. Dubois-Felsmann, Denis Derkach, R. Calabrese, S. H. Robertson, Maria Roberta Monge, James G. Smith, S. Dittrich, R. Cheaib, S. Prell, J. A. McKenna, F. Forti, E. Paoloni, K. R. Schubert, B. Spaan, Elisa Manoni, Herbert Koch, D. Su, P. Roudeau, James H Cochran, Giulia Casarosa, G. Wormser, V. Poireau, R. Ayad, S. Martellotti, P. Ongmongkolkul, S. Playfer, M. Piccolo, W. Gradl, Alessandro Pilloni, D. R. Peimer, James R. Wilson, H. Briand, E. Grauges, L. Lanceri, J. M. Roney, Mario Giorgi, J. M. LoSecco, J. R. Fry, R. Cowan, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Oliver Grünberg, J. Chauveau, J. J. Walsh, G. Rizzo, K. Griessinger, G. Batignani, R. C. Field, J. D. Richman, A. M. Lutz, C. H. Cheng, W. J. Wisniewski, T. Schroeder, Sridhara Dasu, Bogdan Malaescu, G. Finocchiaro, V. Luth, V. P. Druzhinin, R. Contri, M. T. Graham, Brian Meadows, M. S. Alam, R. de Sangro, S. L. Wu, Christopher West, D. J. Bard, W. Dunwoodie, A. Snyder, G. J. King, G. A. Cowan, G. Eigen, Alberto Lusiani, Colin Jessop, R. Prepost, W. H. Toki, S. Passaggio, T. M. Hong, F. Di Lodovico, H. A. Neal, K. Yu. Todyshev, C. Hearty, D. J. Payne, R. Godang, E. O. Olaiya, Z. C. Huard, Biplab Dey, A. M. Eisner, B. Echenard, V. B. Golubev, Maurizio Biasini, Florian Urs Bernlochner, T. Lueck, Fergus Wilson, D. Bernard, I. M. Nugent, R. F. Schwitters, X. C. Lou, A. Palano, Owen Rosser Long, A. Seiden, James D. Olsen, D. J. Summers, A. R. Buzykaev, F. Anulli, G. Vasseur, Timothy Gershon, K. T. Flood, M. V. Purohit, J. Albert, A. Beaulieu, C. Touramanis, J. A. Ernst, L. T. Kerth, S. Luitz, J. Dorfan, A. P. Onuchin, D. N. Brown, R. Stroili, Dmytro Kovalskyi, Marcin Chrzaszcz, David Hutchcroft, L. Sun, J. P. Lees, P. Patteri, B. G. Pushpawela, Adrian John Bevan, Ph Leruste, N. Arnaud, G. R. Bonneaud, D. W. G. S. Leith, G. Calderini, R. J. Sobie, L. Vitale, D. S. Chao, F. Martinez-Vidal, Dominik Müller, V. Santoro, M. Davier, A. Roodman, E. Fioravanti, T. Pulliam, Roland Waldi, F. Ferroni, A. Calcaterra, H. Ahmed, Marco Bomben, F. Simonetto, R. H. Schindler, Douglas Wright, Paul Fraser Harrison, P. M. Patel, Stephen Robert Wagner, E. Ben-Haim, A. G. Denig, Yu. G. Kolomensky, T. Leddig, H. R. Band, W. S. Lockman, Simon Akar, G. Onorato, A. Filippi, G. Raven, M. D. Sokoloff, P. R. Burchat, R. Gorodeisky, M. Simard, D. A. Roberts, G. Grosdidier, A. Hafner, E. M. T. Puccio, D. B. MacFarlane, R. Sacco, A. J.S. Smith, M. R. Convery, Lianqi Wang, Mauro Morandin, C. H. Chen, S. M. Spanier, M. Verderi, U. Mallik, D. Bettoni, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, Sw. Banerjee, L. Piemontese, E. Gabathuler, W. R. Innes, and F. C. Porter
Subjects: Physics, Nuclear and High Energy Physics, Photon, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, media_common.quotation_subject, Resonance, Radiation, 01 natural sciences, Asymmetry, Initial and final state radiation, Nuclear physics, 0103 physical sciences, Pi, High Energy Physics::Experiment, Invariant mass, Atomic physics, 010306 general physics, media_common
Abstract: Charge asymmetry in processes e+ e- --> mu+ mu- gamma and e+ e- --> pi+ pi- gamma is measured using 232 fb-1 of data collected with the BABAR detector at center-of-mass energies near 10.58 GeV. An observable is introduced and shown to be very robust against detector asymmetries while keeping a large sensitivity to the physical charge asymmetry that results from the interference between initial and final state radiation. The asymmetry is determined as afunction of the invariant mass of the final-state tracks from production threshold to a few GeV/c2. It is compared to the expectation from QED for e+ e- --> mu+ mu- gamma and from theoretical models for e+ e- --> pi+ pi- gamma. A clear interference pattern is observed in e+ e- --> pi+ pi- gamma, particularly in the vicinity of the f_2(1270) resonance. The inferred rate of lowest order FSR production is consistent with the QED expectation for e+ e- --> mu+ mu- gamma, and is negligibly small for e+ e- --> pi+ pi- gamma.
Published: 2015

16. Study of thee+e−→K+K−reaction in the energy range from 2.6 to 8.0 GeV

Author: Marcello Rotondo, L. M. Cremaldi, S. Bettarini, D. G. Hitlin, George Lafferty, F. Palombo, R. Sacco, A. Stocchi, B. Oberhof, E. P. Solodov, T. S. Miyashita, A. M. Lutz, G. P. Dubois-Felsmann, Nicola Neri, M. J. Lewczuk, W. J. Wisniewski, R. Godang, R. Ayad, S. Passaggio, Alessandro Pilloni, F. Forti, E. A. Kravchenko, V. B. Golubev, A. Adametz, Oliver Grünberg, Timothy Gershon, A. J.S. Smith, D. R. Peimer, M. Bellis, C. Touramanis, A. Palano, Douglas Wright, Sw. Banerjee, Peter S. Kim, P. Taras, Crisostomo Sciacca, D. Aston, Christopher West, Giulia Casarosa, G. Wormser, S. H. Robertson, S. Emery, David Hutchcroft, R. Cenci, A. Zallo, J. L. Ritchie, P. Patteri, D. Su, M. Piccolo, F. Simonetto, G. Batignani, R. H. Schindler, Herbert Koch, G. De Nardo, M. Röhrken, M. Gaspero, R. Contri, Matteo Rama, James G. Smith, K. Griessinger, S. I. Serednyakov, S. Prell, James H Cochran, G. Lynch, V. Poireau, H. W. Wulsin, V. E. Blinov, C. Bünger, Brian Meadows, T. S. Mattison, R. Gorodeisky, M. Simard, D. A. Roberts, G. Grosdidier, J. Kim, J. R. Fry, C. H. Cheng, T. Schroeder, B. Spaan, G. Rizzo, A. Hafner, E. M. T. Puccio, A. Jawahery, G. Cibinetto, E. Ben-Haim, R. de Sangro, S. L. Wu, B. Echenard, Maurizio Biasini, M. Fritsch, I. M. Peruzzi, F. Bianchi, Eleonora Luppi, W. Gradl, L. Lanceri, Z. C. Huard, B. Malaescu, S. Dittrich, C. Hast, D. J. Lange, G. Piredda, W. Panduro Vazquez, W. H. Toki, A. Calcaterra, R. Y. So, D. Bernard, R. Stroili, Marcin Chrzaszcz, X. C. Lou, R. C. Field, G. Finocchiaro, Yu. I. Skovpen, A. Oyanguren, V. P. Druzhinin, Bruce Schumm, Owen Rosser Long, A. Seiden, J. A. Ernst, Gabriele Simi, V. Luth, A. P. Onuchin, L. Sun, C. Cartaro, D. B. MacFarlane, A. M. Eisner, R. Andreassen, M. S. Alam, C. L. Davis, M. J. Lee, P. Ongmongkolkul, M. Ebert, C. Hearty, J. P. Coleman, Simon Akar, F. Anulli, A. Rossi, S. Luitz, A. Snyder, Dmytro Kovalskyi, James R. Wilson, Colin Jessop, R. Prepost, Adrian John Bevan, Marco Bomben, Andrei Gritsan, G. Onorato, T. M. Hong, A. Filippi, J. P. Lees, Joseph Izen, R. Calabrese, S. Martellotti, M. Carpinelli, C. Voß, William T. Ford, H. Briand, D. J. Summers, B. Bhuyan, B. G. Fulsom, T. Leddig, H. R. Band, W. S. Lockman, G. Raven, M. V. Purohit, J. Dorfan, Elisa Manoni, Abner Soffer, J. Albert, K. Yu. Todyshev, M. R. Convery, R. J. Sobie, Y. B. Pan, D. N. Brown, M. D. Sokoloff, A. G. Denig, P. Roudeau, R. Kowalewski, S. Playfer, P. R. Burchat, Tim Adye, R. D. Kass, B. G. Pushpawela, L. Vitale, I. M. Nugent, F. Martinez-Vidal, Dominik Müller, G. Vasseur, K. T. Flood, J. Va’vra, B. N. Ratcliff, M. K. Sullivan, D. S. Chao, M. Davier, F. De Mori, Ph Leruste, N. Arnaud, M. T. Graham, V. Santoro, Maria Roberta Monge, H. Ahmed, A. Roodman, Heiko Lacker, Denis Derkach, D. Gamba, E. Fioravanti, T. Pulliam, U. Uwer, Roland Waldi, J. A. McKenna, E. Grauges, F. Ferroni, E. Paoloni, Mario Giorgi, J. J. Walsh, Roger Barlow, Sridhara Dasu, Martino Margoni, Paul Fraser Harrison, N. Guttman, Yu. G. Kolomensky, G. R. Bonneaud, B. Stugu, Alberto Lusiani, P. M. Patel, K. R. Schubert, Stephen Robert Wagner, D. W. G. S. Leith, R. F. Schwitters, L. Piemontese, G. Marchiori, Biplab Dey, Fergus Wilson, G. Calderini, R. Faccini, F. Ferrarotto, A. J. Lankford, J. Chauveau, F. Le Diberder, J. D. Richman, D. J. Bard, G. A. Cowan, G. Eigen, E. O. Olaiya, Florian Urs Bernlochner, T. Lueck, James D. Olsen, M. Verderi, L. T. Kerth, N. Tasneem, Aidan Randle-Conde, B. Hamilton, M. Franco Sevilla, U. Mallik, Mauro Morandin, C. H. Chen, S. M. Spanier, J. M. Roney, H. H. F. Choi, M. Hess, F. Di Lodovico, D. J. Payne, R. Cowan, H. A. Neal, A. R. Buzykaev, A. Beaulieu, Corrado Angelini, Stephen Sekula, D. Lopes Pegna, A. Khan, C. Bozzi, K. Honscheid, M. Posocco, D. Bettoni, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, E. Gabathuler, W. R. Innes, F. C. Porter, G. J. King, V. Prasad, J. Ocariz, J. W. Gary, R. Cheaib, and J. M. LoSecco
Subjects: Quantum chromodynamics, Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Amplitude, Photon, Pair production, Meson, Electron–positron annihilation, High Energy Physics::Experiment, Radiation, 7. Clean energy
Abstract: The e^+e^− → K^+K^− cross section and charged-kaon electromagnetic form factor are measured in the e^+e^− center-of-mass energy range (E) from 2.6 to 8.0 GeV using the initial-state radiation technique with an undetected photon. The study is performed using 469 fb^(−1) of data collected with the BABAR detector at the PEP-II2 e^+e^− collider at center-of-mass energies near 10.6 GeV. The form factor is found to decrease with energy faster than 1/E^2 and approaches the asymptotic QCD prediction. Production of the K^+K^− final state through the J/ψ and ψ(2S) intermediate states is observed. The results for the kaon form factor are used together with data from other experiments to perform a model-independent determination of the relative phases between electromagnetic (single-photon) and strong amplitudes in J/ψ and ψ(2S) → K^+K^− decays. The values of the branching fractions measured in the reaction e^+e^− → K^+K^− are shifted relative to their true values due to interference between resonant and nonresonant amplitudes. The values of these shifts are determined to be about ±5% for the J/ψ meson and ±15% for the ψ(2S) meson.
Published: 2015

17. First Observation ofCPViolation inB¯0→DCP(*)h0Decays by a Combined Time-Dependent Analysis ofBABARand Belle Data

Author: P. Lukin, B. R. Ko, J. L. Ritchie, S. I. Serednyakov, G. Schnell, T. Iijima, R. Y. So, B. N. Ratcliff, T. K. Pedlar, Maria Roberta Monge, J. A. McKenna, Mauro Morandin, E. Paoloni, R. Andreassen, T. Kuhr, Andrey Sokolov, V. Bhardwaj, R. F. Schwitters, M. Sumihama, C. H. Chen, S. M. Spanier, A. Adametz, P. Taras, M. Gaspero, O. Seon, Frank Simon, Vladimir Blinov, J. P. Coleman, T. Sumiyoshi, M. J. Lee, J. Dalseno, K. T. Kim, R. Sacco, C. Bünger, V. Prasad, M. Ebert, U. Uwer, R. Gillard, T. S. Mattison, James E. Fast, T. Sanuki, Matteo Rama, James G. Smith, S. Prell, S. K. Choi, L. E. Piilonen, James H Cochran, V. Poireau, Maurizio Biasini, R. Godang, A. Jawahery, L. Pesántez, S. Ogawa, Douglas Wright, I. M. Peruzzi, D. Getzkow, G. Pakhlova, V. P. Druzhinin, E. Solovieva, A. M. Rossi, T. Hara, N. Tasneem, T. M. Hong, K. Sumisawa, P. C. Bloom, Roger Barlow, Martino Margoni, G. Cibinetto, S. Uno, J. G. Shiu, S. Al Said, C. Hast, D. J. Lange, G. Piredda, G. De Nardo, G. Bonvicini, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, J. D. Richman, B. Malaescu, F. Bianchi, P. Pakhlov, K. M. Williams, A. Chen, R. Cenci, Aidan Randle-Conde, W. S. Hou, B. Hamilton, M. Franco Sevilla, G. R. Bonneaud, Giulia Casarosa, G. Wormser, W. Panduro Vazquez, M. Feindt, A. Vinokurova, M. Röhrken, S. Luitz, S. Dittrich, Joseph Izen, A. Roodman, L. Piemontese, P. Ongmongkolkul, Z. C. Huard, E. Fioravanti, T. Pulliam, Roland Waldi, J. Ocariz, S. Yashchenko, B. Spaan, H. Briand, T. Julius, W. Gradl, J. W. Gary, H. W. Wulsin, A. Drutskoy, Y. Onuki, U. Mallik, T. Schroeder, S. Okuno, E. Ribežl, A. Zallo, M. Hess, S. Nishida, L. Lanceri, R. Chistov, E. Nakano, C. Van Hulse, Owen Rosser Long, A. Seiden, M. Masuda, V. Babu, F. Ferroni, Pu Wang, D. J. Bard, A. Oyanguren, L. Li Gioi, Z. Drásal, Gabriele Simi, C. H. Wang, A.E. Bondar, W. Dunwoodie, H. Park, Yongsun Kim, H. Farhat, Jochen Dingfelder, R. Cheaib, R. C. Field, S. H. Kim, P. Krokovny, E. Gabathuler, W. R. Innes, F. C. Porter, S.E. Vahsen, Timothy Gershon, Rakesh Kumar, A. Bozek, G. A. Cowan, G. Finocchiaro, V. Luth, A. Zupanc, G. Rizzo, W. T. Ford, C. Schwanda, Tim Adye, R. D. Kass, J. A. Ernst, Bruce Schumm, Y. J. Kwon, A. M. Lutz, C. L. Davis, G. B. Mohanty, Paul Fraser Harrison, V.M. Aulchenko, C. Touramanis, Z. P. Zhang, E. L. Barberio, Alberto Lusiani, P. M. Patel, T. Nanut, K. Trabelsi, T. Tsuboyama, W. J. Wisniewski, O. Schneider, K. H. Kang, K. Cho, C. Voß, D. N. Brown, Z. Doležal, M. S. Alam, Stephen Robert Wagner, Christopher West, M. Nayak, V. Vorobyev, F. Anulli, C. P. Shen, D. Su, R. Stroili, R. Mizuk, Y. Yusa, A. Snyder, R. Calabrese, Dipanwita Dutta, Alessandro Gaz, Marcello Rotondo, S. H. Robertson, D. H. Lee, A. P. Onuchin, L. Sun, S. Martellotti, M. Carpinelli, Marcin Chrzaszcz, J. M. LoSecco, M. Fritsch, Elisa Manoni, B. G. Pushpawela, T. Leddig, S. Passaggio, M. Piccolo, B. Pal, H. R. Band, D. Joffe, F. Simonetto, Y. Teramoto, B. G. Cheon, C. Cartaro, Biplab Dey, Y. B. Hsiung, H. H. F. Choi, S. Playfer, R. H. Schindler, X. H. He, L. M. Cremaldi, A.S. Kuzmin, R. Cowan, Herbert Koch, A. Calcaterra, W. S. Lockman, S. Emery, Fergus Wilson, M. Shapkin, M. Z. Wang, K. Kinoshita, U. Tamponi, Andrei Gritsan, A. Rostomyan, K. Yu. Todyshev, Yu. I. Skovpen, Y. Watanabe, Hiroaki Aihara, G. Batignani, I. M. Nugent, M. T. Graham, T. Aushev, V. B. Golubev, J. Yamaoka, J. Chauveau, F. De Mori, A. Moll, Marko Petrič, T. Uglov, E. P. Solodov, Adrian John Bevan, Dmytro Kovalskyi, K. Chilikin, M. R. Convery, K. Griessinger, V. Chekelian, B. Oberhof, P. Lewis, F. Di Lodovico, T. S. Miyashita, D. S. Chao, Heiko Lacker, J. P. Lees, A. Garmash, A. Palano, Eleonora Luppi, I. Adachi, G. J. King, M. J. Lewczuk, C. C. Zhang, Alessandro Pilloni, Denis Bernard, D. J. Payne, M. Davier, Vladimir Zhulanov, K. Arinstein, T. Ferber, R. Itoh, Brian Meadows, C. Z. Yuan, T. A. Shibata, H. Miyata, E. Ben-Haim, M. E. Sevior, I. S. Lee, E. A. Kravchenko, D. Cinabro, N. K. Nisar, L. Santelj, D. R. Peimer, P. Goldenzweig, D. G. Hitlin, Peter S. Kim, H. A. Neal, J. Dorfan, P. Roudeau, S.I. Eidelman, V.E. Shebalin, David Hutchcroft, K. R. Schubert, I. Jaegle, W. Ostrowicz, X. C. Lou, Jyoti Prakash Biswal, Crisostomo Sciacca, D. Aston, M. Starič, F. Palombo, B. Bhuyan, J. Va’vra, S. Korpar, Y. S. Sohn, R. Contri, K. K. Joo, C. Hearty, Y. Sakai, D. Matvienko, G. Inguglia, E. Won, J. B. Kim, A. M. Bakich, Sw. Banerjee, V. Santoro, Y. M. Goh, B. G. Fulsom, Yuki Sato, K. Hayasaka, D. Gamba, Nicola Neri, T. E. Browder, D. W. G. S. Leith, D. J. Summers, P. Chang, H. Nakazawa, P. Patteri, R. Pestotnik, D. M. Asner, M. Verderi, Ph Leruste, S. Sandilya, A. Abdesselam, M. Bomben, R. J. Sobie, N. Arnaud, A. R. Buzykaev, L. Vitale, A. Bobrov, N. Guttman, F. Martinez-Vidal, J. Haba, Dominik Müller, N. Gabyshev, D. Červenkov, A. Beaulieu, V. Gaur, A. J. Schwartz, B. Stugu, Hitoshi Yamamoto, Jung-Hyun Kim, G. Calderini, H. Ahmed, Yoshinobu Unno, K. Senyo, V. Savinov, E. Grauges, P. Vanhoefer, J. M. Roney, G. Lynch, D. Bettoni, B. Echenard, M. K. Sullivan, A. G. Denig, Corrado Angelini, Stephen Sekula, Mario Giorgi, C. Kiesling, G. Marchiori, Y. Iwasaki, D. Lopes Pegna, I. Garzia, A. Khan, Y. B. Pan, R. Kowalewski, Thomas Latham, C. Patrignani, V. Tisserand, M. Bračko, C. Bozzi, S. Bettarini, J. J. Walsh, Sridhara Dasu, Peter Kodys, K. Honscheid, George Lafferty, E. O. Olaiya, J. Libby, B. Golob, Florian Urs Bernlochner, T. Lueck, R. Glattauer, A. Stocchi, G. P. Dubois-Felsmann, James D. Olsen, H. K. Moon, R. Ayad, M. Posocco, Yu. G. Kolomensky, L. T. Kerth, M. Bellis, V.N. Zhilich, Colin Jessop, R. Prepost, Denis Derkach, H. Hayashii, Oliver Grünberg, F. Forti, Y. Usov, A. J.S. Smith, K. Miyabayashi, Seema Bahinipati, James R. Wilson, I. Badhrees, R. Mussa, G. Vasseur, Simon Akar, G. Onorato, A. Ishikawa, A. Filippi, K. T. Flood, M. Nakao, C. W. Park, P. Križan, G. Raven, M. D. Sokoloff, P. R. Burchat, D. Y. Kim, R. Gorodeisky, M. Simard, D. A. Roberts, G. Grosdidier, A. Hafner, E. M. T. Puccio, G. Eigen, D. B. MacFarlane, A. M. Eisner, M. V. Purohit, J. Albert, T. Kawasaki, M. Uchida, V. Chobanova, J. R. Fry, C. H. Cheng, G. S. Varner, R. de Sangro, S. L. Wu, W. H. Toki, M. N. Wagner, and Abner Soffer
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, General Physics and Astronomy, 01 natural sciences, Omega, Asymmetry, B-factory, Nuclear physics, KEKB, 0103 physical sciences, D meson, CP violation, 010306 general physics, media_common
Abstract: We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is reconstructed in the CP eigenstates K+ K-, K0S pi0 or K0S omega. The measurement is performed combining the final data samples collected at the Y(4S) resonance by the BaBar and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain ( 471 +/- 3 ) x 10^6 BB pairs recorded by the BaBar detector and ( 772 +/- 11 ) x 10^6, BB pairs recorded by the Belle detector. We measure the CP asymmetry parameters -eta_f S = +0.66 +/- 0.10 (stat.) +/- 0.06 (syst.) and C = -0.02 +/- 0.07 (stat.) +/- 0.03 (syst.). These results correspond to the first observation of CP violation in B0->D(*)CP h0 decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.
Published: 2015

18. Search for Long-Lived Particles ine+e−Collisions

Author: Abner Soffer, L. Piemontese, E. Gabathuler, F. C. Porter, Sw. Banerjee, Maurizio Martinelli, M. K. Sullivan, P. C. Bloom, W. Dunwoodie, C. Bünger, S. Martellotti, N. Tasneem, D. Bettoni, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, J. M. Roney, M. Carpinelli, R. Godang, Y. B. Pan, Gabriele Simi, A. Jawahery, G. Cibinetto, Aidan Randle-Conde, B. Hamilton, A. G. Denig, B. N. Ratcliff, R. Kowalewski, A. Oyanguren, Bruce Schumm, M. Franco Sevilla, Mauro Morandin, L. Li Gioi, Timothy Gershon, C. Touramanis, E. Feltresi, Colin Jessop, A. Adametz, I. M. Nugent, G. Casarosa, D. Gamba, V. E. Blinov, G. J. King, Stefan Spanier, Maria Roberta Monge, J. A. McKenna, E. Paoloni, D. Payne, G. Wormser, Enrico Robutti, J. L. Ritchie, R. Prepost, M. R. Convery, P. Ongmongkolkul, P. Taras, C. H. Chen, V. B. Golubev, S. I. Serednyakov, Alberto Lusiani, N. Guttman, Denis Derkach, J. Dorfan, B. Bhuyan, B. G. Fulsom, D. S. Chao, B. Stugu, T. Schroeder, Christopher West, G. Rizzo, R. Sacco, G. Marchiori, A. Palano, M. Davier, C. Hearty, Michael Sokoloff, Marcin Chrzaszcz, D. N. Brown, Maurizio Biasini, M. Lo Vetere, T. S. Mattison, P. C. Kim, Biplab Dey, H. H. F. Choi, G. Vasseur, K. T. Flood, S. Emery, B. Malaescu, Yu. G. Kolomensky, R. M. White, Fergus Wilson, D. J. Summers, C. Cartaro, W. R. Innes, M. Gaspero, F. Di Lodovico, R. Y. So, M. J. Lee, David Hutchcroft, Andrei Gritsan, D. J. Lange, G. Piredda, G. Sciolla, M. Ebert, R. J. Sobie, Douglas Wright, C. Voß, H. W. Wulsin, W. Panduro Vazquez, B. G. Pushpawela, V. Prasad, Owen Rosser Long, H. Neal, T. Leddig, R. Andreassen, Dmytro Kovalskyi, L. Vitale, F. Martinez-Vidal, A. M. Rossi, F. De Mori, A. Seiden, Marcello Rotondo, I. M. Peruzzi, E. Grauges, Mario Giorgi, A. Snyder, J. P. Lees, Hossain Ahmed, Joseph Izen, P. Patteri, H. R. Band, Heiko Lacker, J. A. Ernst, J. J. Walsh, D. R. Peimer, E. P. Solodov, A. Roodman, T. S. Miyashita, Dominik Müller, Sridhara Dasu, J. Ocariz, R. Contri, W. S. Lockman, E. Fioravanti, D. W G S Leith, A. R. Buzykaev, P. Roudeau, R. Calabrese, Roland Waldi, T. Pulliam, F. Ferroni, E. O. Olaiya, S. Luitz, K. R. Schubert, F. Bianchi, L. M. Cremaldi, R. Cenci, R. F. Schwitters, A. P. Onuchin, L. Sun, Elisa Manoni, A. Beaulieu, Paul Fraser Harrison, J. W. Gary, M. Perl, S. Playfer, A. J.S. Smith, S. Dittrich, Florian Urs Bernlochner, A. Zallo, Alberto Cervelli, T. Lueck, J. Chauveau, V. Santoro, J. R. Wilson, B. Echenard, P. M. Patel, D. Bernard, M. Piccolo, Stephen Robert Wagner, R. C. Field, A. Calcaterra, James D. Olsen, M. Fritsch, R. Gorodeisky, R. Faccini, F. Simonetto, M. Simard, D. A. Roberts, Adrian John Bevan, Eleonora Luppi, S. Bettarini, George Lafferty, R. Cheaib, R. H. Schindler, Marco Bomben, F. Ferrarotto, A. J. Lankford, Alessandro Pilloni, C. Hast, L. T. Kerth, Corrado Angelini, Stephen Sekula, R. Ayad, D. G. Hitlin, Z. C. Huard, G. Grosdidier, W. H. Toki, B. Oberhof, F. Le Diberder, J. D. Richman, W. J. Wisniewski, Matteo Rama, D. Lopes Pegna, F. Palombo, Oliver Grünberg, A. M. Lutz, James G. Smith, B. Spaan, A. Khan, M. J. Lewczuk, D. Aston, Pablo Villanueva-Perez, S. Prell, C. Bozzi, J. M. LoSecco, W. Gradl, James H Cochran, Sau Lan Wu, A. Hafner, V. Poireau, E. Ben-Haim, Nicola Neri, E. A. Kravchenko, V. Luth, K. Honscheid, L. Lanceri, M. Bellis, Ph Leruste, N. Arnaud, G. R. Bonneaud, E. M. T. Puccio, D. J. Bard, G. A. Cowan, X. C. Lou, J. P. Coleman, F. Anulli, V. P. Druzhinin, M. Verderi, G. Finocchiaro, Alessandro Gaz, S. Passaggio, M. Posocco, S. H. Robertson, T. M. Hong, Crisostomo Sciacca, M. S. Alam, P. Sonnek, Andrea Rodriguez Perez, William T. Ford, H. Briand, M. Hess, Herbert Koch, G. Calderini, U. Mallik, J. Va'Vra, A. M. Eisner, K. Yu. Todyshev, Tim Adye, K. Griessinger, R. D. Kass, S. Pacetti, R. Cowan, Brian Meadows, Simon Akar, M. T. Graham, M. V. Purohit, D. Lindemann, G. Onorato, J. Albert, G. Eigen, A. Filippi, G. Raven, P. R. Burchat, C. L. Davis, G. Lynch, A. Stocchi, Andrei Salnikov, D. B. Macfarlane, Claudio Campagnari, F. Forti, R. Stroili, H. L. Lynch, J. R. Fry, C. H. Cheng, Yu. I. Skovpen, R. de Sangro, U. Uwer, Roger Barlow, Martino Margoni, B. C. Wray, D. Su, G. Batignani, G. De Nardo, and M. Röhrken
Subjects: Physics, Particle physics, Luminosity (scattering theory), Mass distribution, Interaction point, Branching fraction, Electron–positron annihilation, Hadron, General Physics and Astronomy, Function (mathematics), 7. Clean energy, Nuclear physics, Mass spectrum, High Energy Physics::Experiment
Abstract: We present a search for a neutral, long-lived particle L that is produced in e^+e^− collisions and decays at a significant distance from the e^+e^− interaction point into various flavor combinations of two oppositely charged tracks. The analysis uses an e^+e^− data sample with a luminosity of 489.1 fb^(−1) collected by the BABAR detector at the Υ(4S), Υ(3S), and Υ(2S) resonances and just below the Υ(4S). Fitting the two-track mass distribution in search of a signal peak, we do not observe a significant signal, and set 90% confidence level upper limits on the product of the L production cross section, branching fraction, and reconstruction efficiency for six possible two-body L decay modes as a function of the L mass. The efficiency is given for each final state as a function of the mass, lifetime, and transverse momentum of the candidate, allowing application of the upper limits to any production model. In addition, upper limits are provided on the branching fraction B(B→X_sL), where X_s is a strange hadronic system.
Published: 2015

19. Search for a light Higgs resonance in radiative decays of theϒ(1S)with a charm tag

Author: J. L. Ritchie, L. Piemontese, E. Gabathuler, F. C. Porter, S. I. Serednyakov, R. Y. So, G. De Nardo, V. E. Blinov, M. Röhrken, R. Andreassen, B. Oberhof, G. Rizzo, M. J. Lewczuk, E. A. Kravchenko, R. Gorodeisky, D. Su, M. Simard, D. A. Roberts, G. Grosdidier, H. L. Lynch, Crisostomo Sciacca, M. Piccolo, J. R. Fry, C. H. Cheng, Dmytro Kovalskyi, G. Batignani, J. P. Lees, A. Hafner, R. de Sangro, S. L. Wu, E. M. T. Puccio, W. H. Toki, T. Pulliam, S. H. Robertson, A. Oyanguren, Bruce Schumm, V. Santoro, Herbert Koch, H. H. F. Choi, U. Uwer, A. M. Eisner, S. Emery, P. Ongmongkolkul, Roger Barlow, F. Di Lodovico, Martino Margoni, K. Griessinger, D. J. Payne, Andrei Gritsan, F. De Mori, M. V. Purohit, J. Albert, Simon Akar, G. Onorato, Heiko Lacker, A. Roodman, Brian Meadows, G. J. King, A. Filippi, E. Fioravanti, Roland Waldi, F. Ferroni, W. T. Ford, S. Luitz, K. R. Schubert, G. Raven, Tim Adye, R. D. Kass, M. D. Sokoloff, P. R. Burchat, J. Dorfan, Paul Fraser Harrison, J. Chauveau, M. K. Sullivan, G. R. Bonneaud, Yu. I. Skovpen, P. M. Patel, H. Neal, J. M. Roney, Stephen Robert Wagner, D. W G S Leith, A. R. Buzykaev, A. Beaulieu, S. Martellotti, M. Carpinelli, Z. C. Huard, M. Hess, R. Sacco, I. M. Nugent, R. Cowan, V. Prasad, M. T. Graham, D. S. Chao, G. Calderini, M. Davier, Corrado Angelini, F. Anulli, J. Ocariz, Alessandro Gaz, D. N. Brown, Stephen Sekula, D. Lopes Pegna, A. J.S. Smith, A. Khan, J. W. Gary, M. J. Lee, N. Tasneem, C. Bozzi, B. Bhuyan, B. G. Fulsom, M. Ebert, A. M. Rossi, K. Honscheid, Joseph Izen, R. Cheaib, W. J. Wisniewski, M. Posocco, J. M. LoSecco, Aidan Randle-Conde, B. Hamilton, M. Franco Sevilla, E. O. Olaiya, Florian Urs Bernlochner, T. Lueck, James D. Olsen, C. Hast, L. T. Kerth, Abner Soffer, James R. Wilson, H. Briand, A. Adametz, D. Lindemann, G. Eigen, P. C. Bloom, P. Taras, Alessandro Pilloni, Stefan Spanier, D. R. Peimer, M. Gaspero, J. P. Coleman, R. Stroili, Marcin Chrzaszcz, E. P. Solodov, T. S. Miyashita, D. Aston, R. F. Schwitters, M. Bellis, Maria Roberta Monge, J. A. McKenna, Matteo Rama, James G. Smith, S. Prell, James H Cochran, V. Poireau, E. Paoloni, D. J. Bard, V. P. Druzhinin, T. M. Hong, Maurizio Biasini, B. Malaescu, B. G. Pushpawela, Owen Rosser Long, A. Seiden, C. Voß, S. Bettarini, George Lafferty, J. A. Ernst, R. Ayad, Timothy Gershon, A. P. Onuchin, Oliver Grünberg, L. Sun, R. Contri, B. Echenard, D. Bernard, C. Touramanis, A. Stocchi, Adrian John Bevan, D. B. Macfarlane, Y. B. Pan, F. Forti, R. Kowalewski, T. S. Mattison, Gabriele Simi, C. L. Davis, Denis Derkach, D. J. Lange, G. Piredda, H. W. Wulsin, Sw. Banerjee, W. Dunwoodie, W. Panduro Vazquez, D. Bettoni, A. Snyder, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, G. Lynch, R. Calabrese, Elisa Manoni, S. Playfer, F. Simonetto, A. G. Denig, B. N. Ratcliff, E. Ben-Haim, Yu. G. Kolomensky, X. C. Lou, C. Hearty, D. Gamba, P. C. Kim, A. Calcaterra, D. J. Summers, B. Spaan, N. Guttman, W. Gradl, B. Stugu, Marco Bomben, L. Lanceri, Mauro Morandin, R. J. Sobie, Douglas Wright, C. H. Chen, G. Finocchiaro, L. Vitale, F. Martinez-Vidal, M. S. Alam, Dominik Müller, G. Marchiori, J. Va'Vra, M. Verderi, I. M. Peruzzi, K. Yu. Todyshev, R. C. Field, H. Ahmed, U. Mallik, R. Godang, C. Cartaro, T. Leddig, H. R. Band, W. S. Lockman, F. Bianchi, M. Perl, S. Dittrich, P. Roudeau, M. R. Convery, Christopher West, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, J. D. Richman, R. H. Schindler, Pablo Villanueva-Perez, D. G. Hitlin, E. Grauges, Mario Giorgi, V. Luth, J. J. Walsh, A. M. Lutz, G. A. Cowan, Alberto Lusiani, Sridhara Dasu, Biplab Dey, Fergus Wilson, S. Passaggio, R. Cenci, A. Zallo, V. B. Golubev, M. Fritsch, A. Palano, Eleonora Luppi, Ph Leruste, W. R. Innes, N. Arnaud, Colin Jessop, R. Prepost, David Hutchcroft, P. Patteri, G. Vasseur, Marcello Rotondo, C. Bünger, K. T. Flood, L. M. Cremaldi, A. Jawahery, F. Palombo, G. Cibinetto, Nicola Neri, Giulia Casarosa, G. Wormser, and T. Schroeder
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Pion, Meson, Branching fraction, Electron–positron annihilation, Hadron, Higgs boson, Resonance, Minimal Supersymmetric Standard Model
Abstract: A search is presented for the decay Υ(1S)→ γA^0, A^0 → cc[bar], where A^0 is a candidate for the CP-odd Higgs boson of the next-to-minimal supersymmetric standard model. The search is based on data collected with the BABAR detector at the Υ(2S) resonance. A sample of Υ(1S) mesons is selected via the decay Υ(2S)→π + π − Υ(1S). The A^0 → cc[bar] decay is identified through the reconstruction of hadronic D^0, D^+, and D^∗ (2010)^+ meson decays. No significant signal is observed. The measured 90% confidence-level upper limits on the product branching fraction B(Υ(1S) → γA^0 ) × B(A^0 → cc[bar] ) range from 7.4×10^(−5) to 2.4×10^(−3) for A^0 masses from 4.00 to 8.95 GeV/c^2 and 9.10 to 9.25 GeV/c^2, where the region between 8.95 and 9.10 GeV/c^2 is excluded because of background from Υ(2S) → γχ_(bJ) (1P), χ_(bJ) (1P) → γΥ(1S) decays.
Published: 2015

20. Measurement of the branching fractions of the radiative leptonicτdecaysτ→eγνν¯andτ→μγνν¯atBABAR

Author: F. Di Lodovico, F. Simonetto, D. J. Payne, G. Onorato, A. Filippi, Martino Margoni, B. T. Meadows, W. R. Innes, G. Raven, D. Bettoni, E. Ben-Haim, M. D. Sokoloff, P. R. Burchat, J. L. Ritchie, L. T. Kerth, X. C. Lou, Abner Soffer, R. Godang, M. V. Purohit, Bruce Schumm, W. T. Ford, J. J. Walsh, S. I. Serednyakov, R. Cenci, A. Zallo, Tim Adye, R. D. Kass, Andrei Gritsan, J. Albert, I. Garzia, A. Stocchi, R. Sacco, R. Y. So, Rafe Schindler, C. Patrignani, R. Contri, D. N. Brown, V. Tisserand, Maria Roberta Monge, C. Bünger, M. Fritsch, M. J. Lee, J. Chauveau, J. A. McKenna, V. E. Blinov, R. Andreassen, M. T. Graham, Eleonora Luppi, E. Paoloni, J. Dorfan, L. M. Cremaldi, A. M. Eisner, G. D. Lafferty, Yu. I. Skovpen, D. B. MacFarlane, G. Rizzo, F. Forti, T. Pulliam, H. A. Neal, M. Rama, A. J.S. Smith, R. Gorodeisky, G. Lynch, Sw. Banerjee, Colin Jessop, R. Prepost, F. De Mori, M. Simard, D. A. Roberts, A. Oyanguren, Christopher West, H. L. Lynch, J. R. Fry, A. Adametz, Gabriele Simi, G. Grosdidier, A. Jawahery, Heiko Lacker, A. Hafner, V. Prasad, D. G. Hitlin, G. R. Bonneaud, C. H. Cheng, C. Hearty, C. L. Davis, G. Cibinetto, E. M. T. Puccio, Y. B. Pan, Dmytro Kovalskyi, J. P. Lees, R. Kowalewski, C. Touramanis, C. H. Chen, R. de Sangro, S. L. Wu, K. R. Schubert, D. J. Summers, R. C. Field, G. Vasseur, K. T. Flood, Roberto Calabrese, A. R. Buzykaev, M. S. Alam, B. Echenard, P. C. Kim, L. Piemontese, W. H. Toki, H. W. Wulsin, P. Taras, O. Grünberg, A. Beaulieu, D. Bernard, R. J. Sobie, Abraham Seiden, M. Rotondo, M. Verderi, E. Gabathuler, A. Snyder, F. C. Porter, L. Vitale, P. Roudeau, Giulia Casarosa, Elisa Manoni, N. Arnaud, D. Aston, G. Wormser, S. Playfer, M. Hess, U. Mallik, E. Grauges, F. Martinez-Vidal, Dominik Müller, Mario Giorgi, G. De Nardo, D. J. Bard, M. Röhrken, Denis Derkach, Sridhara Dasu, J. Ocariz, M. R. Convery, N. Neri, M. Chrzaszcz, C. Voß, R. Faccini, F. Ferrarotto, A. J. Lankford, T. Schroeder, M. Gaspero, F. Le Diberder, V. Santoro, J. D. Richman, H. Ahmed, D. E. Hutchcroft, Ph. Leruste, T. Leddig, H. R. Band, Maurizio Biasini, Pablo Villanueva-Perez, B. N. Ratcliff, J. P. Coleman, B. Malaescu, R. Cowan, Biplab Dey, S. Bettarini, G. A. Cowan, J. W. Gary, Owen Rosser Long, I. M. Peruzzi, T. S. Mattison, S. Akar, D. Su, D. Gamba, R. F. Schwitters, M. Ebert, F. Bianchi, V. Poireau, A. M. Lutz, C. Hast, D. J. Lange, Corrado Angelini, M. Piccolo, G. Piredda, S. Dittrich, Stephen Sekula, N. Guttman, B. Stugu, G. Batignani, G. Marchiori, D. Lopes Pegna, R. Cheaib, G. Finocchiaro, A. Khan, A. P. Onuchin, L. Sun, R. Ayad, C. Bozzi, S. Passaggio, T. J. Gershon, K. Honscheid, R. J. Barlow, V. B. Golubev, James G. Smith, Adrian John Bevan, S. Prell, James H Cochran, M. Posocco, A. Palano, F. F. Wilson, A. Lusiani, J. M. LoSecco, V. P. Druzhinin, D. Lindemann, T. M. Hong, K. Yu. Todyshev, W. Dunwoodie, S. Luitz, W. J. Wisniewski, P. Patteri, J. Va’vra, B. G. Pushpawela, G. J. King, B. Spaan, J. A. Ernst, W. Gradl, L. Lanceri, A. Roodman, E. Fioravanti, S. H. Robertson, Herbert Koch, Alessandro Pilloni, D. R. Peimer, Roland Waldi, F. Ferroni, Paul Fraser Harrison, K. Griessinger, P. M. Patel, Stephen Robert Wagner, M. K. Sullivan, S. Martellotti, M. Carpinelli, I. M. Nugent, James R. Wilson, Z. C. Huard, W. Panduro Vazquez, D. S. Chao, V. Luth, G. Eigen, M. Davier, P. C. Bloom, G. P. Dubois-Felsmann, W. S. Lockman, F. Anulli, Stefan Spanier, M. Morandin, Alessandro Gaz, U. Uwer, B. Hamilton, R. Stroili, B. Bhuyan, A. M. Rossi, Joseph Izen, B. G. Fulsom, E. P. Solodov, T. S. Miyashita, B. Oberhof, M. J. Lewczuk, E. A. Kravchenko, Crisostomo Sciacca, T. E. Latham, M. Perl, M. Bellis, Yu G. Kolomensky, A. Calcaterra, E. O. Olaiya, P. Ongmongkolkul, C. Cartaro, Florian Urs Bernlochner, F. Palombo, T. Lueck, Marco Bomben, James D. Olsen, Douglas Wright, A. G. Denig, D. W. G. S. Leith, G. Calderini, N. Tasneem, Aidan Randle-Conde, M. Franco Sevilla, H. H. F. Choi, S. Emery, J. M. Roney, and H. Briand
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Radiative transfer, Photon energy, 010306 general physics, 01 natural sciences
Abstract: We perform a measurement of the $\ensuremath{\tau}\ensuremath{\rightarrow}l\ensuremath{\gamma}\ensuremath{\nu}\overline{\ensuremath{\nu}}$ ($l=e,\ensuremath{\mu}$) branching fractions for a minimum photon energy of 10 MeV in the $\ensuremath{\tau}$ rest frame, using $431\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ collisions collected at the center-of-mass energy of the $\mathrm{\ensuremath{\Upsilon}}(4S)$ resonance with the BABAR detector at the PEP-II storage rings. We find $\mathcal{B}(\ensuremath{\tau}\ensuremath{\rightarrow}\ensuremath{\mu}\ensuremath{\gamma}\ensuremath{\nu}\overline{\ensuremath{\nu}})=(3.69\ifmmode\pm\else\textpm\fi{}0.03\ifmmode\pm\else\textpm\fi{}0.10)\ifmmode\times\else\texttimes\fi{}1{0}^{\ensuremath{-}3}$ and $\mathcal{B}(\ensuremath{\tau}\ensuremath{\rightarrow}e\ensuremath{\gamma}\ensuremath{\nu}\overline{\ensuremath{\nu}})=(1.847\ifmmode\pm\else\textpm\fi{}0.015\ifmmode\pm\else\textpm\fi{}0.052)\ifmmode\times\else\texttimes\fi{}1{0}^{\ensuremath{-}2}$, where the first quoted error is statistical and the second is systematic. These results are substantially more precise than previous measurements.
Published: 2015

21. Dalitz plot analyses ofB0→D−D0K+andB+→D¯0D0K+decays

Author: S. Passaggio, G. Calderini, Ray Franklin Cowan, T. Leddig, A. Soffer, A. Randle-Conde, N. Tasneem, J. Albert, B. Hamilton, I. M. Peruzzi, M. Franco Sevilla, P. C. Kim, E. O. Olaiya, T. Lueck, H. R. Band, D. G. Hitlin, James D. Olsen, C. Hast, L. T. Kerth, F. U. Bernlochner, E. Gabathuler, V. Prasad, R. Prepost, K. Griessinger, B. Spaan, R. J. Sobie, A. Roodman, Y. B. Pan, Brian Meadows, P. F. Harrison, A. M. Eisner, B. C. Wray, H. Neal, R. Kass, U. Uwer, G. Wormser, M. Verderi, C. Chen, M. Bomben, Alberto Lusiani, H. W. Wulsin, W. Panduro Vazquez, D. W G S Leith, J. Chauveau, S. Emery, R. Y. So, Z. C. Huard, R. Faccini, Dominik Müller, H. L. Lynch, R. Andreassen, V. E. Blinov, T. Adye, D. Bettoni, S. Prell, A. Beaulieu, D. Su, Roger Barlow, Biplab Dey, Fergus Wilson, J. R. Fry, A. Snyder, M. V. Purohit, D. S. Chao, T. Schroeder, R. de Sangro, R. Sacco, B. G. Pushpawela, P. Sonnek, A. Gaz, Denis Derkach, M. Biasini, C. Sciacca, A. J. Lankford, R. C. Field, H. Ahmed, R. M. White, A. Adametz, R. Cheaib, N. Guttman, M. Hess, C. Cartaro, S. L. Wu, R. Calabrese, Michael Sokoloff, Yu. I. Skovpen, L. Piemontese, R. Godang, J. L. Ritchie, R. Stroili, A. Calcaterra, S. H. Robertson, Alessandro Pilloni, P. R. Burchat, A. V. Gritsan, D. Gamba, A. G. Denig, B. N. Ratcliff, J. A. Ernst, Elisa Manoni, D. R. Peimer, K. Honscheid, D. J. Payne, W. J. Wisniewski, W. H. Toki, T. S. Mattison, S. Playfer, E. Paoloni, W. Gradl, D. Aston, M. Perl, S. Dittrich, L. Lanceri, M. J. Lee, M. Gaspero, Enrico Robutti, P. Ongmongkolkul, H. H. F. Choi, S. Pacetti, G. Sciolla, Sw. Banerjee, P. Roudeau, J. P. Coleman, R. Contri, J. Cochran, M. Ebert, F. Anulli, L. Li Gioi, R. Kowalewski, J. Va'Vra, C. Hearty, Marcello Rotondo, D. J. Lange, Matteo Rama, Gabriele Simi, E. Ben-Haim, James G. Smith, J. Ocariz, M. T. Graham, Yu. G. Kolomensky, W. S. Lockman, B. Echenard, A. Rossi, J. M. Roney, C. Touramanis, D. A. Roberts, N. Arnaud, F. Di Lodovico, O. Long, B. Oberhof, M. Margoni, F. Ferroni, M. J. Lewczuk, K. Yu. Todyshev, M. Davier, S. Luitz, K. R. Schubert, S. Martellotti, L. Vitale, Dmytro Kovalskyi, E. A. Kravchenko, Corrado Angelini, G. De Nardo, B. Malaescu, J. P. Lees, G. Piredda, D. J. Bard, B. Stugu, H. M. Lacker, G. J. King, V. P. Druzhinin, A. Filippi, G. Rizzo, L. Cremaldi, U. Mallik, M. Carpinelli, M. Röhrken, A. Seiden, D. Lopes Pegna, S. J. Sekula, A. Khan, J. W. Gary, D. Bernard, D. M. Wright, M. S. Alam, A. Oyanguren, C. Bozzi, P. Taras, E. P. Solodov, V. Poireau, S. I. Serednyakov, F. Palombo, T. Pulliam, G. Casarosa, Bruce Schumm, T. M. Hong, E. Fioravanti, J. Dorfan, Roland Waldi, Mauro Morandin, M. Piccolo, A. P. Onuchin, J. D. Richman, L. Sun, W. T. Ford, Alberto Cervelli, Timothy Gershon, J. M. Losecco, G. Marchiori, F. C. Porter, F. De Mori, Pablo Villanueva-Perez, D. N. Brown, M. R. Convery, A. M. Lutz, Nicola Neri, Adrian John Bevan, George Lafferty, C. P. Jessop, V. Santoro, Maurizio Martinelli, Simon Akar, V. Luth, G. A. Cowan, M. K. Sullivan, Christopher West, Ph Leruste, A. R. Buzykaev, G. Onorato, B. G. Fulsom, F. Simonetto, M. A. Giorgi, R. Ayad, G. Batignani, S. Bettarini, F. Bianchi, I. Garzia, I. M. Nugent, Oliver Grünberg, G. R. Bonneaud, G. Raven, Thomas Latham, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, P. Patteri, H. Koch, G. Finocchiaro, W. Dunwoodie, S. M. Spanier, R. Gorodeisky, P. M. Patel, C. L. Davis, M. Fritsch, M. Simard, G. Lynch, G. Grosdidier, F. Ferrarotto, E. M. T. Puccio, A. Stocchi, Andrei Salnikov, D. B. Macfarlane, R. Cenci, Claudio Campagnari, Eleonora Luppi, D. J. Summers, B. Bhuyan, E. Grauges, F. Martinez-Vidal, J. J. Walsh, Sridhara Dasu, M. Posocco, K. T. Flood, G. Vasseur, V. B. Golubev, A. J S Smith, A. Palano, F. Le Diberder, M. Lo Vetere, A. Hafner, W. R. Innes, David Hutchcroft, F. Forti, C. Voß, Maria Roberta Monge, J. A. McKenna, S. R. Wagner, R. H. Schindler, A. Zallo, C. Bünger, A. Jawahery, G. Cibinetto, E. Feltresi, P. C. Bloom, C. H. Cheng, Marcin Chrzaszcz, Andrea Rodriguez Perez, H. Briand, X. C. Lou, D. Lindemann, G. Eigen, J. R. Wilson, T. S. Miyashita, J. M. Izen, M. Bellis, and R. F. Schwitters
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, 0103 physical sciences, Resonance, Dalitz plot, Invariant mass, B meson, 010306 general physics, 01 natural sciences
Abstract: We present Dalitz plot analyses for the decays of B mesons to D^−D^0K^+ and D^0D^0K^+. We report the observation of the D^∗_(s1)(2700)^+ resonance in these two channels and obtain measurements of the mass M(D^∗_(s1)(2700)+)=2699^(+14)_(−7) MeV/c^2 and of the width Γ(D^∗_(s1)(2700)+)=127^(+24)_(−19) MeV, including statistical and systematic uncertainties. In addition, we observe an enhancement in the D^0K^+ invariant mass around 2350–2500 MeV/c^2 in both decays B^0→D^−D^0K^+ and B^+→D^0D^0K^+, which we are not able to interpret. The results are based on 429 fb^(−1) of data containing 471×10^6BB pairs collected at the Υ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory.
Published: 2015

22. Study ofCPAsymmetry inB0−B¯0Mixing with Inclusive Dilepton Events

Author: H. A. Neal, V. Prasad, D. J. Bard, P. D. Dauncey, J. Ocariz, J. W. Gary, R. Cheaib, P. Lewis, J. M. LoSecco, Abner Soffer, W. J. Wisniewski, G. J. King, T. S. Mattison, A. R. Buzykaev, M. S. Alam, F. Simonetto, J. Dorfan, T. Pulliam, A. Beaulieu, C. Hast, D. J. Lange, G. Piredda, J. L. Ritchie, J. Chauveau, F. De Mori, Colin Jessop, Douglas Wright, R. Prepost, G. De Nardo, M. Röhrken, Maria Roberta Monge, Z. C. Huard, W. Panduro Vazquez, Matteo Rama, R. Calabrese, S. I. Serednyakov, E. Paoloni, M. Hess, Giulia Casarosa, G. Wormser, A. Stocchi, Andrei Salnikov, Claudio Campagnari, H. L. Lynch, J. R. Fry, C. H. Cheng, R. de Sangro, Elisa Manoni, D. Aston, S. Playfer, V. B. Golubev, James G. Smith, Heiko Lacker, K. R. Schubert, V. Luth, W. S. Lockman, R. Y. So, R. Andreassen, T. Schroeder, Ph Leruste, N. Arnaud, S. L. Wu, E. Ben-Haim, F. Forti, S. Pacetti, A. Palano, D. Bettoni, M. Lo Vetere, A. Rossi, D. B. MacFarlane, G. Rizzo, Alessandro Gaz, S. H. Robertson, S. Prell, James H Cochran, G. Vasseur, V. P. Druzhinin, W. R. Innes, K. T. Flood, R. Gorodeisky, Timothy Gershon, R. Godang, A. Calcaterra, Herbert Koch, Gabriele Simi, M. Ebert, A. Oyanguren, I. M. Peruzzi, M. Simard, D. A. Roberts, David Hutchcroft, M. Perl, K. Griessinger, D. Lindemann, J. A. McKenna, Corrado Angelini, Joseph Izen, C. Touramanis, Stephen Sekula, G. Grosdidier, C. L. Davis, Bruce Schumm, T. M. Hong, R. Cenci, D. Lopes Pegna, C. Cartaro, C. Voß, Marcello Rotondo, X. C. Lou, Brian Meadows, A. Roodman, I. Garzia, A. Hafner, Thomas Latham, S. Luitz, F. Bianchi, P. Patteri, C. Patrignani, G. Sciolla, A. Khan, L. M. Cremaldi, E. M. T. Puccio, A. Zallo, R. Faccini, F. Ferrarotto, A. J. Lankford, D. N. Brown, V. Tisserand, C. Bozzi, B. Bhuyan, J. Va’vra, Yu G. Kolomensky, B. G. Fulsom, F. Le Diberder, S. Dittrich, E. Fioravanti, Roland Waldi, J. D. Richman, K. Honscheid, B. Oberhof, M. J. Lewczuk, R. F. Schwitters, A. G. Denig, F. Ferroni, A. M. Ruland, Pablo Villanueva-Perez, Dmytro Kovalskyi, E. A. Kravchenko, Andrei Gritsan, L. Piemontese, Christopher West, J. P. Lees, M. R. Convery, G. A. Cowan, D. G. Hitlin, M. Posocco, Ray Franklin Cowan, C. Hearty, Simon Akar, F. Palombo, Crisostomo Sciacca, M. Fritsch, G. Onorato, R. C. Field, A. M. Lutz, R. M. White, D. J. Summers, E. Gabathuler, Paul Fraser Harrison, Alberto Lusiani, A. Filippi, F. C. Porter, Nicola Neri, G. Raven, B. N. Ratcliff, M. Bomben, R. J. Sobie, M. D. Sokoloff, M. T. Graham, Eleonora Luppi, P. R. Burchat, Biplab Dey, L. Vitale, Fergus Wilson, F. Martinez-Vidal, Dominik Müller, A. Adametz, S. Passaggio, P. Sonnek, C. Bünger, P. M. Patel, Stephen Robert Wagner, P. Roudeau, Enrico Robutti, P. Ongmongkolkul, L. Li Gioi, P. Taras, H. Ahmed, A. Jawahery, M. K. Sullivan, R. Sacco, G. Cibinetto, D. Gamba, V. Santoro, M. Gaspero, E. Feltresi, S. Martellotti, M. Carpinelli, Abraham Seiden, N. Guttman, A. M. Eisner, J. P. Coleman, B. Stugu, G. Marchiori, E. Grauges, Mario Giorgi, A. J.S. Smith, Sw. Banerjee, J. J. Walsh, D. W. G. S. Leith, Sridhara Dasu, G. Calderini, N. Tasneem, Aidan Randle-Conde, B. Hamilton, M. Franco Sevilla, G. R. Bonneaud, P. C. Kim, E. O. Olaiya, Florian Urs Bernlochner, T. Lueck, James D. Olsen, G. Finocchiaro, K. Yu. Todyshev, B. Spaan, J. A. Ernst, H. Briand, W. Gradl, L. Lanceri, B. C. Wray, D. Su, V. Poireau, M. Piccolo, G. Batignani, M. Mandelkern, W. H. Toki, H. W. Wulsin, Y. B. Pan, R. Kowalewski, M. V. Purohit, J. Albert, Rafe Schindler, Denis Derkach, Maurizio Biasini, B. Malaescu, Owen Rosser Long, A. P. Onuchin, L. Sun, Alberto Cervelli, Adrian John Bevan, Alessandro Pilloni, D. R. Peimer, E. P. Solodov, T. S. Miyashita, J. Bougher, M. Bellis, P. C. Bloom, G. P. Dubois-Felsmann, R. Stroili, Marcin Chrzaszcz, Andrea Rodriguez Perez, James R. Wilson, G. Eigen, H. H. F. Choi, S. Emery, Maurizio Martinelli, J. M. Roney, W. Dunwoodie, B. G. Pushpawela, F. Di Lodovico, D. J. Payne, R. Contri, L. T. Kerth, I. M. Nugent, B. Echenard, D. Bernard, D. S. Chao, M. Davier, S. Bettarini, George Lafferty, R. Ayad, Oliver Grünberg, Mauro Morandin, C. H. Chen, S. M. Spanier, Vladimir Blinov, T. Leddig, H. R. Band, F. Anulli, M. Verderi, A. Snyder, U. Mallik, U. Uwer, Roger Barlow, Martino Margoni, M. J. Lee, Yu. I. Skovpen, G. Lynch, W. T. Ford, Tim Adye, and R. D. Kass
Subjects: Physics, Particle physics, Complete data, Electron–positron annihilation, media_common.quotation_subject, General Physics and Astronomy, Resonance, BaBar experiment, Asymmetry, Standard Model, Nuclear physics, CP violation, Mixing (physics), media_common
Abstract: We present a measurement of the asymmetry A_{CP} between same-sign inclusive dilepton samples l^{+}l^{+} and l^{-}l^{-} (l=e, μ) from semileptonic B decays in ϒ(4S)→BB[over ¯] events, using the complete data set recorded by the BABAR experiment near the ϒ(4S) resonance, corresponding to 471×10^{6} BB[over ¯] pairs. The asymmetry A_{CP} allows comparison between the mixing probabilities P(B[over ¯]^{0}→B^{0}) and P(B^{0}→B[over ¯]^{0}), and therefore probes CP and T violation. The result, A_{CP}=[-3.9±3.5(stat)±1.9(syst)]×10^{-3}, is consistent with the standard model expectation.
Published: 2015

23. Observation of the baryonic decayB¯0→Λc+p¯K−K+

Author: Elisa Manoni, J. P. Coleman, S. Playfer, Sw. Banerjee, Corrado Angelini, C. Hearty, Marcello Rotondo, D. Lopes Pegna, A. Khan, F. Di Lodovico, C. Bozzi, B. Oberhof, M. J. Lewczuk, A. M. Ruland, R. de Sangro, E. A. Kravchenko, D. Bernard, S. I. Serednyakov, F. Palombo, E. P. Solodov, Dmytro Kovalskyi, A. Filippi, G. Rizzo, Andrea Rodriguez Perez, J. P. Lees, R. J. Sobie, A. Roodman, R. Y. So, H. Briand, R. Andreassen, L. Li Gioi, Nicola Neri, T. Leddig, Timothy Gershon, Z. C. Huard, A. Oyanguren, X. C. Lou, G. Wormser, T. Pulliam, Yu. I. Skovpen, K. Honscheid, Maria Roberta Monge, Bruce Schumm, B. C. Wray, I. Garzia, H. R. Band, R. Gorodeisky, Thomas Latham, C. Patrignani, M. Simard, J. A. McKenna, Maurizio Martinelli, S. R. Wagner, V. B. Golubev, P. D. Dauncey, H. Neal, G. Grosdidier, M. K. Sullivan, V. Tisserand, G. P. Dubois-Felsmann, T. Schroeder, A. J. Lankford, R. Kass, D. Su, F. De Mori, S. Passaggio, M. Biasini, F. Ferrarotto, V. Santoro, D. W G S Leith, O. Long, M. A. Giorgi, D. Lindemann, L. Lanceri, A. Beaulieu, E. M. T. Puccio, R. Contri, Y. B. Pan, F. Bianchi, N. Guttman, A. Palano, R. Kowalewski, I. M. Nugent, B. G. Fulsom, A. J S Smith, H. L. Lynch, J. R. Fry, R. Stroili, M. Hess, G. Eigen, H. W. Wulsin, P. Patteri, M. Posocco, N. Arnaud, P. R. Burchat, J. A. Ernst, W. Dunwoodie, A. Calcaterra, Simon Akar, W. Panduro Vazquez, S. Martellotti, M. Mandelkern, F. Le Diberder, E. O. Olaiya, A. Hafner, W. R. Innes, V. E. Blinov, A. R. Buzykaev, G. Onorato, B. Echenard, M. Davier, M. Lo Vetere, A. Snyder, H. Koch, David Hutchcroft, J. Chauveau, M. Perl, S. Dittrich, S. Bettarini, P. C. Bloom, C. H. Cheng, S. Pacetti, K. T. Flood, G. Raven, R. Sacco, G. De Nardo, B. Stugu, H. M. Lacker, M. Margoni, D. Gamba, G. Finocchiaro, H. H. F. Choi, F. Forti, C. Voß, T. Lueck, P. Lewis, J. Ocariz, M. T. Graham, F. Ferroni, S. L. Wu, L. Piemontese, W. H. Toki, D. G. Hitlin, James D. Olsen, G. Piredda, G. Vasseur, G. J. King, D. A. Roberts, K. Griessinger, T. S. Mattison, W. Gradl, U. Mallik, M. Carpinelli, R. Godang, S. J. Sekula, M. Morandin, Ph Leruste, G. Casarosa, E. Gabathuler, C. Touramanis, G. Batignani, Brian Meadows, U. Uwer, S. Luitz, K. R. Schubert, M. V. Purohit, Denis Derkach, Marcin Chrzaszcz, C. Hast, R. Cenci, L. T. Kerth, R. F. Schwitters, J. Va'Vra, W. S. Lockman, R. H. Schindler, Alberto Lusiani, M. Piccolo, K. Yu. Todyshev, J. R. Wilson, J. Dorfan, Biplab Dey, A. Adametz, Fergus Wilson, T. S. Miyashita, P. Sonnek, A. Zallo, L. Vitale, Alessandro Pilloni, A. Randle-Conde, F. Simonetto, C. Bünger, Enrico Robutti, P. Ongmongkolkul, Eleonora Luppi, L. Cremaldi, J. Bougher, B. Spaan, J. M. Izen, P. F. Harrison, A. Jawahery, G. Cibinetto, D. R. Peimer, M. Bellis, M. Verderi, R. M. White, E. Feltresi, R. Faccini, C. Cartaro, D. Aston, D. J. Summers, George Lafferty, J. L. Ritchie, C. P. Jessop, V. Poireau, J. M. Losecco, G. Marchiori, F. C. Porter, D. J. Payne, F. Anulli, B. Bhuyan, E. Paoloni, V. Prasad, E. Grauges, F. Martinez-Vidal, J. J. Walsh, J. M. Roney, Sridhara Dasu, A. M. Eisner, R. Ayad, M. Gaspero, G. Calderini, P. Roudeau, B. Malaescu, D. J. Lange, Oliver Grünberg, G. R. Bonneaud, N. Tasneem, J. Albert, A. Seiden, R. Cheaib, E. Ben-Haim, R. Prepost, A. P. Onuchin, L. Sun, Alberto Cervelli, I. M. Peruzzi, D. Bettoni, W. J. Wisniewski, J. D. Richman, M. Franco Sevilla, Adrian John Bevan, Roger Barlow, S. Prell, B. G. Pushpawela, A. Gaz, Pablo Villanueva-Perez, D. N. Brown, S. H. Robertson, T. Adye, V. Luth, G. A. Cowan, Ray Franklin Cowan, P. C. Kim, F. U. Bernlochner, D. S. Chao, Matteo Rama, W. T. Ford, James G. Smith, Michael Sokoloff, M. Bomben, M. J. Lee, Dominik Müller, G. Sciolla, B. Hamilton, M. Ebert, A. Rossi, D. J. Bard, C. Sciacca, E. Fioravanti, Roland Waldi, V. P. Druzhinin, R. C. Field, H. Ahmed, D. M. Wright, M. S. Alam, P. M. Patel, T. M. Hong, Gabriele Simi, A. M. Lutz, A. Stocchi, Andrei Salnikov, D. B. Macfarlane, Claudio Campagnari, J. W. Gary, P. Taras, S. M. Spanier, C. L. Davis, M. Fritsch, G. Lynch, M. R. Convery, Christopher West, S. Emery, A. Soffer, C. Chen, A. V. Gritsan, A. G. Denig, B. N. Ratcliff, J. Cochran, Yu. G. Kolomensky, and R. Calabrese
Subjects: Nuclear physics, Baryon, Charmed baryons, Physics, Nuclear and High Energy Physics, Branching fraction, Electron–positron annihilation
Abstract: We report the observation of the baryonic decay B^0 → Λ^+_c pK^−K^+ using a data sample of 471×10^6 BB pairs produced in e^+e^− annihilations at √s = 10.58 GeV. This data sample was recorded with the BABAR detector at the PEP-II storage ring at SLAC. We find B(B^0 → Λ^+_c pK^−K^+)=(2.5±0.4_((stat))±0.2_((syst))± 0.6_(B(Λ^+_c)))×10^(−5), where the uncertainties are statistical, systematic, and due to the uncertainty of the Λ^+_c →p K^−π^+ branching fraction, respectively. The result has a significance corresponding to 5.0 standard deviations, including all uncertainties. For the resonant decay B^0 → Λ^+_c pϕ, we determine the upper limit B(B^0 → Λ^+_c pϕ)
Published: 2015

24. Study ofB±,0→J/ψK+K−K±,0and search forB0→J/ψϕatBaBar

Author: Maria Roberta Monge, J. A. McKenna, S. R. Wagner, A. J S Smith, F. Le Diberder, M. Lo Vetere, F. Forti, C. Voß, A. Adametz, Elisa Guido, B. Oberhof, A. Soffer, B. C. Wray, R. Calabrese, G. Wormser, P. C. Bloom, C. H. Cheng, R. J. Sobie, A. Roodman, N. Tasneem, J. Albert, M. J. Lewczuk, D. S. Chao, D. H. Wright, A. P. Wagner, D. Su, P. Lewis, R. Y. So, E. A. Kravchenko, D. Dujmic, Elisa Manoni, R. Andreassen, T. Schroeder, Gabriele Simi, Dmytro Kovalskyi, N. Guttman, C. Chen, S. Playfer, I. M. Peruzzi, M. Franco Sevilla, A. J. Lankford, M. Piccolo, George Lafferty, C. P. Jessop, M. Gaspero, D. Monorchio, A. Filippi, G. Rizzo, G. J. King, M. Morandin, R. Stroili, Sw. Banerjee, M. Mandelkern, R. Ayad, J. P. Coleman, D. J. Lange, J. P. Lees, H. L. Lynch, Jose F Benitez, S. Emery, R. Prepost, W. Dunwoodie, U. Uwer, F. Simonetto, A. M. Lutz, J. R. Fry, C. Hearty, Oliver Grünberg, P. Biassoni, E. Fioravanti, Roland Waldi, Marcello Rotondo, J. Dorfan, G. R. Bonneaud, E. O. Olaiya, S. Passaggio, J. Va'Vra, R. Cenci, Marcin Chrzaszcz, M. Margoni, A. V. Gritsan, A. M. Ruland, T. Lueck, A. G. Denig, B. N. Ratcliff, W. S. Lockman, D. G. Hitlin, J. E. Brau, C. Touramanis, S. L. Wu, A. Stocchi, G. Piredda, U. Mallik, M. Carpinelli, T. Adye, D. Bettoni, P. D. Dauncey, H. Neal, T. Hartmann, James D. Olsen, J. R. Wilson, Alberto Lusiani, C. Hast, K. Yu. Todyshev, Andrei Salnikov, D. B. Macfarlane, S. Luitz, L. T. Kerth, K. R. Schubert, G. Casarosa, H. W. Wulsin, D. Bernard, R. F. Schwitters, P. M. Patel, T. S. Miyashita, R. Kass, R. Gorodeisky, M. Simard, S. I. Serednyakov, F. Palombo, W. Panduro Vazquez, M. Morii, S. Prell, T. Pulliam, Claudio Campagnari, J. Cochran, B. G. Pushpawela, A. Gaz, G. Grosdidier, A. Snyder, Michael Sokoloff, Eleonora Luppi, W. H. Toki, Matteo Rama, Yu. G. Kolomensky, E. P. Solodov, Nicola Neri, D. W G S Leith, V. Prasad, James G. Smith, S. H. Robertson, Y. B. Pan, M. J. Lee, F. Ferrarotto, B. Hamilton, M. Ebert, R. Sacco, E. M. T. Puccio, A. Rossi, B. Lindquist, D. J. Summers, V. Santoro, L. Lanceri, M. V. Purohit, Timothy Gershon, Biplab Dey, G. Calderini, R. Schwierz, R. Contri, D. J. Bard, S. M. Spanier, J. L. Ritchie, B. Echenard, V. P. Druzhinin, C. L. Davis, M. Fritsch, Fergus Wilson, T. Leddig, Denis Derkach, I. Garzia, V. Poireau, D. M. Wright, G. Lynch, M. Davier, H. R. Band, Simon Akar, R. Cheaib, Thomas Latham, C. Patrignani, G. Sciolla, Z. C. Huard, V. Tisserand, M. S. Alam, S. Zambito, A. R. Buzykaev, G. Onorato, G. P. Dubois-Felsmann, P. Sonnek, J. Bougher, T. M. Hong, Enrico Robutti, P. Ongmongkolkul, W. J. Wisniewski, J. M. Izen, S. Bettarini, J. M. Losecco, G. Marchiori, F. C. Porter, L. Cremaldi, M. Posocco, G. Raven, M. Wittgen, M. Bellis, L. Piemontese, E. Ben-Haim, W. T. Meyer, N. B. Sinev, T. S. Mattison, K. T. Flood, D. R. Peimer, V. E. Blinov, Martin Kocian, W. Gradl, Corrado Angelini, Andrea Rodriguez Perez, G. Vasseur, V. Ziegler, R. Frey, J. Chauveau, H. Briand, Ray Franklin Cowan, P. Patteri, D. Aston, X. C. Lou, P. C. Kim, F. U. Bernlochner, A. Randle-Conde, B. Bhuyan, D. Lopes Pegna, D. Gamba, F. Anulli, D. Lindemann, B. Spaan, A. Khan, H. Koch, M. Bomben, G. Eigen, Dominik Müller, M. Verderi, V. B. Golubev, C. Bozzi, G. Finocchiaro, E. Grauges, R. Faccini, J. M. Roney, S. Nelson, C. Sciacca, A. Palano, R. C. Field, H. Ahmed, F. Martinez-Vidal, J. J. Walsh, Sridhara Dasu, Ph Leruste, A. Hafner, W. R. Innes, S. Sitt, K. Griessinger, B. Malaescu, W. F. Wang, J. W. Gary, David Hutchcroft, A. N. Yushkov, R. Godang, P. Taras, D. M. Strom, G. Batignani, M. R. Convery, Brian Meadows, M. Biasini, Christopher West, A. Calcaterra, A. Seiden, A. M. Gabareen, R. H. Schindler, L. Vitale, A. Zallo, P. R. Burchat, J. A. Ernst, S. Pacetti, A. Oyanguren, Bruce Schumm, J. Ocariz, C. Bünger, E. Prencipe, M. T. Graham, M. Perl, F. Ferroni, S. Dittrich, F. De Mori, A. Jawahery, G. Cibinetto, B. G. Fulsom, E. Feltresi, A. P. Onuchin, L. Sun, Alberto Cervelli, Adrian John Bevan, R. M. White, C. Cartaro, D. J. Payne, E. Paoloni, P. Roudeau, L. Li Gioi, O. Long, W. T. Ford, S. Martellotti, G. De Nardo, R. de Sangro, B. Stugu, H. M. Lacker, S. J. Sekula, Yu. I. Skovpen, K. Honscheid, J. D. Richman, Pablo Villanueva-Perez, D. N. Brown, E. Torrence, V. Luth, G. A. Cowan, R. Kowalewski, N. Arnaud, E. Gabathuler, P. F. Harrison, A. M. Eisner, Roger Barlow, Maurizio Martinelli, M. K. Sullivan, M. A. Giorgi, F. Bianchi, I. M. Nugent, H. H. F. Choi, D. A. Roberts, F. Di Lodovico, and U. Nauenberg
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Resonance, Dalitz plot, High Energy Physics::Experiment, B meson, 010306 general physics, 01 natural sciences
Abstract: We study the rare B meson decays B{+-,0} --> J/\psi\ K^+ K^- K{+-,0}, B{+-,0} --> J/\psi\ \phi\ K{+-,0}, and search for B0 --> J/\psi\ \phi, using 469 million BBbar events collected at the Upsilon(4S) resonance with the BABAR detector at the PEP-II e+e- asymmetric-energy collider. We present new measurements of branching fractions and a study of the J/\psi\phi mass distribution in search of new charmonium-like states. In addition, we search for the decay B0 --> J/\psi\ \phi, and find no evidence of a signal.
Published: 2015

25. Erratum: Measurement of the absolute branching fractions forDs−→ℓ−ν¯ℓand extraction of the decay constantfDs[Phys. Rev. D82, 091103(R) (2010)]

Author: H. L. Lynch, Colin Jessop, D. M. Strom, V. E. Blinov, A. Adametz, T. M. Karbach, Peter S. Kim, J. E. Brau, V. Prasad, Roberto Calabrese, R. Prepost, O. Hamon, J. Schwiening, Benjamin Henry Hooberman, J. Ocariz, Christopher West, Yu I. Skovpen, F. Simonetto, R. H. Schindler, T. S. Mattison, P. Taras, E. P. Solodov, M. Simard, D. A. Roberts, G. Grosdidier, J. J. Walsh, J. W. Gary, D. W. G. S. Leith, V. B. Golubev, Alessandro Rossi, Abner Soffer, B. Lindquist, C. Hearty, D. J. Summers, M. Tibbetts, M. Bomben, R. J. Sobie, R. Kroeger, L. Vitale, C. Hast, D. J. Lange, G. Piredda, M. Morii, F. Martinez-Vidal, Dominik Müller, B. C. Wray, Ch Yèche, A. T. Watson, X. C. Lou, L. A. Corwin, T. J. Gershon, A. Hafner, D. Su, G. Calderini, H. W. Wulsin, D. N. Brown, J. M. LoSecco, M. Gaspero, M. Weaver, S. Stracka, U. Mallik, B. Pan, Elisa Guido, J. L. Ritchie, Maria Roberta Monge, N. B. Sinev, M. Piccolo, M. T. Allen, J. P. Coleman, G. Lynch, A. Jawahery, I. M. Peruzzi, Achille Stocchi, R. Baldini-Ferroli, G. D. Lafferty, A. Oyanguren, D. Derkach, W. F. Wang, G. Rizzo, M. Rama, P. J. Clark, M. L. Kocian, D. Kirkby, E. Paoloni, G. Cibinetto, S. Paramesvaran, G. Vasseur, G. Batignani, F. U. Bernlochner, G. J. King, C. Touramanis, Y. Pan, C. A. Heusch, D. B. MacFarlane, T. S. Miyashita, J. A. McKenna, M. Bondioli, M. Munerato, Heiko Lacker, E. Feltresi, S. I. Serednyakov, F. Bianchi, R. Andreassen, D. Bettoni, M. J. Lewczuk, M. Mandelkern, R. Bartoldus, Denis Bernard, R. Cenci, A. E. Rubin, Mario Pelliccioni, B. Bhuyan, C. O. Vuosalo, A. P. Onuchin, E. Ben-Haim, Aidan Randle-Conde, G. Onorato, J. P. Morris, B. N. Ratcliff, A. C. Wren, D. Dujmic, A. Zallo, B. G. Fulsom, Elisa Manoni, D. A. Milanes, J. Merkel, C. M. Hawkes, M. Carpinelli, D. Lindemann, I. Bingham, S. Playfer, P. C. Bloom, E. Baracchini, D. H. Wright, C. P. O'Grady, J. F. Benitez, C. Patrignani, B. T. Meadows, G. Raven, Douglas Wright, Shu Li, V. Tisserand, A. V. Telnov, J. Strube, M. D. Sokoloff, R. Schwierz, M. Fritsch, T. Lueck, Gabriele Simi, F. Renga, I. L. Osipenkov, Dmytro Kovalskyi, P. R. Burchat, J. P. Lees, D. A. Doll, M. T. Graham, M. Lo Vetere, L. Piemontese, G. Castelli, A. A. Salnikov, J. Chauveau, C. L. Davis, A. P. Wagner, K. E. Alwyn, S. Bettarini, A. Petzold, C. A. West, E. Gabathuler, W. R. Innes, F. C. Porter, Crisostomo Sciacca, D. Aston, D. J. Asgeirsson, R. Gamet, Eleonora Luppi, B. Franek, W. Park, S. Pacetti, R. Cowan, A. Lazzaro, J. Anderson, M. J. Kobel, T. Schalk, M. Rotondo, A. Palano, M. Pappagallo, M. Zito, A. Volk, C. H. Chen, R. Eckmann, K. T. Flood, M. K. Sullivan, S. B. Zain, Giulia Casarosa, R. Frey, V. Santoro, Sw. Banerjee, M. A. Mazzoni, G. Wormser, S. M. Spanier, R. F. Schwitters, F. Liu, G. De Nardo, L. Wang, P. Biassoni, P. Sonnek, W. T. Meyer, K. J. Knoepfel, J. M. Thompson, Bruce Schumm, H. B. Crawley, M. H. Kelsey, R. Sacco, H. L. Snoek, E. O. Olaiya, J. Kroseberg, C. Lu, M. A. Saeed, G. Cavoto, G. P. Dubois-Felsmann, J. E. Watson, M. Schram, F. Palombo, I. M. Nugent, G. M. Vitug, J. Garra Tico, G. Jackson, J. Prendki, G. R. Bonneaud, James D. Olsen, E. Grauges, J. Dorfan, J. R. Fry, D. E. Hutchcroft, C. Dallapiccola, T. Leddig, Enrico Robutti, P. Ongmongkolkul, P. Patteri, J. Firmino da Costa, N. Gagliardi, E. I. Rosenberg, F. Anulli, J. A. Kolb, L. T. Kerth, Corrado Angelini, Stephen Sekula, D. Lopes Pegna, Mario Giorgi, M. Ebert, H. R. Band, W. S. Lockman, Alessandro Gaz, E. Prencipe, C. H. Cheng, A. J.S. Smith, S. H. Robertson, L. Dong, H. Marsiske, A. Khan, D. S. Bailey, V. P. Druzhinin, M. Battaglia, I. Ofte, T. Schroeder, R. Ayad, X. Nguyen, T. E. Latham, C. Bozzi, S. Emery, Sridhara Dasu, M. Verderi, Ph Leruste, S. Sitt, Herbert Koch, S. Curry, C. J. Schilling, M. Morandin, K. Honscheid, M. Zhao, C. A. Chavez, N. Arnaud, M. R. Convery, A. Perez, Andrei Gritsan, A. M. Lutz, R. de Sangro, N. Lopez-March, A. K. Yarritu, S. L. Wu, Shouheng Sun, R. J. Barlow, W. J. Wisniewski, B. Spaan, K. Yu Todyshev, Claudio Campagnari, M. Davier, X. R. Chen, H. Briand, U. Uwer, V. Ziegler, Maurizio Biasini, W. Gradl, S. Prell, W. Dunwoodie, P. Del Amo Sanchez, S. Passaggio, M. Posocco, W. H. Toki, A. N. Yushkov, L. Lanceri, C. C. Young, F. Forti, R. Stroili, E. C. Martin, A. G. Denig, V. Lombardo, James H Cochran, V. Poireau, H. A. Neal, R. C. Field, A. M. Eisner, D. Monorchio, Marie Helene Schune, Owen Rosser Long, N. L. Blount, G. Finocchiaro, V. Luth, A. Seiden, E. Salvati, L. O. Winstrom, M. S. Alam, P. D. Dauncey, G. Hamel de Monchenault, T. Hartmann, A. Snyder, Mirco Andreotti, F. F. Wilson, A. R. Buzykaev, J. A. Ernst, M. V. Purohit, J. Albert, M. Wittgen, A. Lusiani, L. Sun, K. Wacker, G. Sciolla, Alberto Cervelli, Adrian John Bevan, R. Kowalewski, Yu. G. Kolomensky, M. L. Perl, Z. J. Guo, A. Y. Rakitin, Joseph Izen, A. Roodman, S. Nelson, James R. Wilson, E. Fioravanti, T. Pulliam, Roland Waldi, F. Ferroni, Paul Fraser Harrison, P. M. Patel, Stephen Robert Wagner, J. M. Tuggle, P. Lund, R. Contri, M. Sigamani, K. R. Schubert, A. Calcaterra, H. Atmacan, M. Nicolaci, L. M. Cremaldi, D. P. Stoker, P. Franchini, T. M. Hong, Matteo Negrini, A. M. Ruland, D. G. Hitlin, M. S. Dubrovin, G. Eigen, A. J. Martinez, Nicola Neri, B. Echenard, H. Jasper, Olga Igonkina, A. M. Gabareen, W. T. Ford, Tim Adye, R. D. Kass, G. Mancinelli, E. Torrence, C. L. Lee, A. J. Edwards, M. Bellis, Hyun-Chul Kim, H. Schröder, S. Luitz, K. Suzuki, R. M. White, M. Franco Sevilla, C. Cartaro, Philippe Grenier, F. Di Lodovico, D. J. Payne, P. Roudeau, U. Nauenberg, Prafulla Kumar Behera, L. Li Gioi, J. Va’vra, Martino Margoni, Silvano Tosi, Kenji Hamano, R. Rahmat, A. Petrella, J. Serrano, S. Ahmed, D. Gamba, Maria A. Nagel, B. Malaescu, T. Tanabe, N. Guttman, A. Cecchi, B. Stugu, G. Marchiori, H. H. F. Choi, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Maurizio Martinelli, J. D. Richman, V. Sordini, J. M. Roney, D. J. Bard, J. Marks, G. A. Cowan, J. G. Smith, E. M.T. Puccio, and R. Godang
Subjects: Nuclear physics, Gravitation, Physics, Nuclear and High Energy Physics, Quantum mechanics, Exponential decay, Branching (polymer chemistry), Cosmology, Ion
Published: 2015

26. Bottomonium spectroscopy and radiative transitions involving theχbJ(1P,2P)states atBaBar

Author: P. Taras, M. Verderi, G. J. King, S. H. Robertson, Herbert Koch, G. Lynch, J. Dorfan, M. Gaspero, U. Mallik, J. P. Coleman, K. Griessinger, T. E. Latham, Dmytro Kovalskyi, Alessandro Pilloni, D. R. Peimer, X. C. Lou, D. Aston, R. Sacco, J. J. Walsh, J. P. Lees, F. Anulli, A. M. Eisner, Giulia Casarosa, G. Wormser, A. Oyanguren, R. Godang, H. H. F. Choi, V. Prasad, Roberto Calabrese, J. L. Ritchie, P. Patteri, D. N. Brown, Gabriele Simi, Abner Soffer, T. Pulliam, C. L. Davis, R. F. Schwitters, B. Bhuyan, S. Emery, J. Ocariz, S. I. Serednyakov, C. Bünger, B. G. Fulsom, T. Schroeder, V. Santoro, E. Grauges, A. J.S. Smith, Mario Giorgi, R. Gorodeisky, C. Touramanis, G. D. Lafferty, R. M. White, M. Simard, D. A. Roberts, J. W. Gary, G. Grosdidier, C. Cartaro, M. V. Purohit, Sridhara Dasu, F. Di Lodovico, R. Cheaib, F. De Mori, A. Hafner, J. Albert, N. Tasneem, E. M. T. Puccio, R. Y. So, D. J. Payne, A. Jawahery, O. Grünberg, V. E. Blinov, M. R. Convery, W. J. Wisniewski, Heiko Lacker, G. Cibinetto, J. M. LoSecco, E. P. Solodov, T. S. Miyashita, R. Andreassen, Christopher West, A. Stocchi, R. Cenci, Aidan Randle-Conde, Elisa Manoni, L. M. Cremaldi, M. J. Lee, A. Zallo, Andrei Salnikov, D. B. Macfarlane, G. Rizzo, D. E. Hutchcroft, E. Feltresi, M. Rama, T. Leddig, C. Hearty, S. Playfer, Chunhui Chen, S. Luitz, K. R. Schubert, M. Franco Sevilla, G. Sciolla, A. M. Ruland, Simon Akar, Claudio Campagnari, H. R. Band, M. Fritsch, Maria Roberta Monge, P. C. Kim, B. Hamilton, M. Ebert, J. A. McKenna, Z. C. Huard, H. L. Lynch, Maurizio Martinelli, G. Onorato, W. S. Lockman, M. K. Sullivan, J. R. Fry, J. Chauveau, A. Filippi, P. Roudeau, D. J. Summers, S. Prell, James H Cochran, V. Poireau, A. M. Rossi, B. Oberhof, Joseph Izen, Eleonora Luppi, C. H. Cheng, B. T. Meadows, V. B. Golubev, G. Raven, E. Paoloni, J. M. Roney, D. G. Hitlin, M. D. Sokoloff, P. R. Burchat, F. Forti, R. J. Sobie, R. Faccini, L. Vitale, A. Roodman, R. de Sangro, S. L. Wu, A. Palano, M. J. Lewczuk, D. J. Bard, J. G. Smith, A. Lusiani, F. Martinez-Vidal, Dominik Müller, E. Fioravanti, F. Ferrarotto, A. J. Lankford, Roland Waldi, F. Le Diberder, Nicola Neri, W. H. Toki, E. A. Kravchenko, F. Ferroni, W. R. Innes, Colin Jessop, R. Prepost, T. S. Mattison, G. R. Bonneaud, V. P. Druzhinin, R. C. Field, Paul Fraser Harrison, H. Ahmed, J. D. Richman, F. Simonetto, D. J. Lange, G. Piredda, H. W. Wulsin, W. Panduro Vazquez, Crisostomo Sciacca, Alessandro Gaz, P. M. Patel, A. Snyder, Stephen Robert Wagner, T. M. Hong, G. Calderini, T. J. Gershon, J. Bougher, G. Vasseur, S. Martellotti, M. Carpinelli, K. T. Flood, Pablo Villanueva-Perez, M. Lo Vetere, E. O. Olaiya, Florian Urs Bernlochner, I. M. Nugent, M. Bellis, F. Palombo, T. Lueck, Enrico Robutti, P. Ongmongkolkul, D. S. Chao, James D. Olsen, M. Davier, V. Luth, R. H. Schindler, C. Hast, L. T. Kerth, Andrea Rodriguez Perez, James R. Wilson, A. M. Lutz, H. Briand, G. A. Cowan, L. Li Gioi, D. Lindemann, Bruce Schumm, S. Passaggio, G. Eigen, M. Roehrken, P. C. Bloom, D. Gamba, P. Lewis, Stefan Spanier, M. Morandin, N. Guttman, U. Uwer, R. Stroili, Andrei Gritsan, B. Stugu, G. Marchiori, M. Hess, S. Pacetti, R. Cowan, M. T. Graham, P. D. Dauncey, H. Neal, D. W G S Leith, A. G. Denig, B. N. Ratcliff, A. R. Buzykaev, A. Beaulieu, Y. B. Pan, R. Kowalewski, Yu. G. Kolomensky, Corrado Angelini, Stephen Sekula, D. Lopes Pegna, Douglas Wright, A. Khan, C. Bozzi, Denis Derkach, K. Honscheid, R. J. Barlow, Maurizio Biasini, B. Malaescu, M. Posocco, Owen Rosser Long, A. Seiden, J. A. Ernst, A. P. Onuchin, L. Sun, Alberto Cervelli, Adrian John Bevan, A. Calcaterra, Marco Bomben, Sw. Banerjee, W. Dunwoodie, W. T. Ford, Tim Adye, R. D. Kass, Yu. I. Skovpen, L. Piemontese, E. Gabathuler, F. C. Porter, Martino Margoni, M. Chrzaszcz, C. Voß, R. Contri, D. Bettoni, G. Finocchiaro, B. Echenard, M. S. Alam, D. Bernard, I. Garzia, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, F. F. Wilson, J. Va'Vra, B. G. Pushpawela, K. Yu. Todyshev, Biplab Dey, P. Sonnek, S. Bettarini, I. M. Peruzzi, B. C. Wray, D. Su, M. Piccolo, F. Bianchi, M. Perl, S. Dittrich, R. Ayad, G. Batignani, M. Mandelkern, E. Ben-Haim, B. Spaan, M. Rotondo, W. Gradl, Ph Leruste, N. Arnaud, L. Lanceri, G. De Nardo, and A. Adametz
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Photon, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, Nuclear physics, symbols.namesake, Excited state, 0103 physical sciences, symbols, Radiative transfer, High Energy Physics::Experiment, 010306 general physics, Spectroscopy, Hamiltonian (quantum mechanics)
Abstract: We use (121±1) million Υ(3S) and (98±1) million Υ(2S) mesons recorded by the BABAR detector at the PEP-II e^+e^− collider at SLAC to perform a study of radiative transitions involving the χ_(bJ)(1P,2P) states in exclusive decays with μ^+μ^−γγ final states. We reconstruct twelve channels in four cascades using two complementary methods. In the first we identify both signal photon candidates in the electromagnetic calorimeter (EMC), employ a calorimeter timing-based technique to reduce backgrounds, and determine branching-ratio products and fine mass splittings. These results include the best observational significance yet for the χ_(b0)(2P)→γΥ(2S) and χ_(b0)(1P)→γΥ(1S) transitions. In the second method, we identify one photon candidate in the EMC and one which has converted into an e^+e^− pair due to interaction with detector material, and we measure absolute product branching fractions. This method is particularly useful for measuring Υ(3S)→γχ_(b1,2)(1P) decays. Additionally, we provide the most up-to-date derived branching fractions, matrix elements and mass splittings for χ_b transitions in the bottomonium system. Using a new technique, we also measure the two lowest-order spin-dependent coefficients in the nonrelativistic QCD Hamiltonian.
Published: 2014

27. Search for newπ0-like particles produced in association with aτ-lepton pair

Author: Douglas Wright, A. Stocchi, Andrei Salnikov, A. Roodman, I. M. Peruzzi, Maurizio Martinelli, M. K. Sullivan, E. Fioravanti, D. B. Macfarlane, Roland Waldi, R. Gorodeisky, Claudio Campagnari, J. M. Roney, M. Simard, D. A. Roberts, F. Bianchi, F. Ferroni, W. T. Ford, Tim Adye, M. Perl, S. Dittrich, R. D. Kass, G. Grosdidier, J. G. Smith, R. Cenci, Paul Fraser Harrison, M. Lo Vetere, A. Zallo, V. Prasad, J. L. Ritchie, S. I. Serednyakov, Roberto Calabrese, A. Hafner, E. P. Solodov, Giulia Casarosa, G. Wormser, P. M. Patel, E. M. T. Puccio, T. S. Miyashita, F. Forti, Stephen Robert Wagner, P. Patteri, G. Finocchiaro, J. Ocariz, M. S. Alam, R. Y. So, R. Andreassen, M. Fritsch, Biplab Dey, Enrico Robutti, P. Ongmongkolkul, A. Calcaterra, C. Hearty, Maxim Pospelov, J. W. Gary, P. Sonnek, T. Schroeder, P. C. Kim, F. F. Wilson, Eleonora Luppi, B. Bhuyan, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, D. J. Summers, J. Bougher, R. Cheaib, B. G. Fulsom, J. D. Richman, Gabriele Simi, F. Di Lodovico, Marco Bomben, A. Adametz, G. R. Bonneaud, J. Va'Vra, W. J. Wisniewski, M. Bellis, K. Yu. Todyshev, D. J. Payne, M. J. Lee, Abner Soffer, R. Sacco, C. L. Davis, G. Sciolla, J. M. LoSecco, Pablo Villanueva-Perez, Maurizio Biasini, A. G. Denig, B. Hamilton, M. Ebert, B. N. Ratcliff, B. Malaescu, P. C. Bloom, H. L. Lynch, J. R. Fry, R. J. Sobie, F. De Mori, L. Vitale, Ph Leruste, N. Arnaud, F. Martinez-Vidal, V. Luth, V. E. Blinov, P. Lewis, A. M. Rossi, G. A. Cowan, Joseph Izen, C. H. Cheng, Colin Jessop, Dominik Müller, R. Prepost, Stefan Spanier, Martino Margoni, G. J. King, S. Martellotti, A. J.S. Smith, G. Calderini, M. Morandin, M. Verderi, L. M. Cremaldi, L. Li Gioi, M. Carpinelli, R. C. Field, H. Ahmed, U. Uwer, P. Taras, Simon Akar, Yuri Skovpen, R. de Sangro, J. Dorfan, G. Onorato, Owen Rosser Long, A. Seiden, G. Rizzo, R. Stroili, M. Rama, S. L. Wu, F. Simonetto, N. Tasneem, Heiko Lacker, D. Gamba, A. Filippi, U. Mallik, N. Guttman, B. Stugu, Maria Roberta Monge, W. H. Toki, Z. C. Huard, Andrea Rodriguez Perez, I. M. Nugent, James R. Wilson, G. Raven, D. G. Hitlin, Aidan Randle-Conde, H. Briand, J. A. Ernst, G. Marchiori, M. Franco Sevilla, M. D. Sokoloff, J. A. McKenna, P. R. Burchat, R. Godang, D. S. Chao, Nicola Neri, Dmytro Kovalskyi, J. P. Lees, R. M. White, Chunhui Chen, S. Luitz, K. R. Schubert, C. Cartaro, M. Gaspero, B. Spaan, M. Davier, W. Gradl, L. Lanceri, E. Paoloni, Alessandro Gaz, Bruce Schumm, D. Lindemann, M. R. Convery, S. H. Robertson, S. Emery, G. Lynch, J. P. Coleman, G. Vasseur, K. T. Flood, J. Chauveau, G. Eigen, A. M. Eisner, P. Roudeau, Christopher West, D. E. Hutchcroft, B. G. Pushpawela, T. Leddig, T. Pulliam, Herbert Koch, K. Griessinger, V. Santoro, H. R. Band, W. S. Lockman, E. O. Olaiya, E. Grauges, S. Prell, M. V. Purohit, Florian Urs Bernlochner, Mario Giorgi, F. Palombo, T. Lueck, Andrei Gritsan, James D. Olsen, J. Albert, X. C. Lou, Brian Meadows, J. J. Walsh, H. H. F. Choi, Sridhara Dasu, C. Hast, L. T. Kerth, D. N. Brown, G. D. Lafferty, James H Cochran, V. Poireau, D. J. Bard, A. Lusiani, V. P. Druzhinin, T. M. Hong, S. Bettarini, R. F. Schwitters, R. Ayad, R. Contri, S. Pacetti, R. Cowan, M. T. Graham, Corrado Angelini, Stephen Sekula, D. Lopes Pegna, A. Khan, C. Bozzi, K. Honscheid, B. Echenard, D. Bernard, R. J. Barlow, M. Posocco, A. P. Onuchin, L. Sun, Alberto Cervelli, Adrian John Bevan, H. Neal, D. W G S Leith, A. R. Buzykaev, Y. B. Pan, R. Kowalewski, Denis Derkach, A. Beaulieu, Alessandro Pilloni, D. R. Peimer, D. Aston, F. Anulli, D. Bettoni, I. Garzia, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, L. Piemontese, E. Gabathuler, F. C. Porter, M. Chrzaszcz, C. Voß, Sw. Banerjee, W. Dunwoodie, C. Bünger, A. Jawahery, G. Cibinetto, E. Feltresi, B. Oberhof, M. J. Lewczuk, M. Rotondo, E. A. Kravchenko, Crisostomo Sciacca, G. De Nardo, M. Röhrken, M. Hess, T. E. Latham, Yg Kolomensky, V. B. Golubev, Elisa Manoni, B. C. Wray, S. Playfer, D. Su, M. Piccolo, G. Batignani, A. Palano, David McKeen, M. Mandelkern, E. Ben-Haim, T. S. Mattison, D. J. Lange, G. Piredda, H. W. Wulsin, W. Panduro Vazquez, A. Snyder, W. R. Innes, T. J. Gershon, A. Oyanguren, C. Touramanis, O. Grünberg, R. H. Schindler, A. M. Lutz, and S. Passaggio
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Meson, 010308 nuclear & particles physics, Association (object-oriented programming), Monte Carlo method, Form factor (quantum field theory), 01 natural sciences, Pseudoscalar meson, Nuclear physics, Cross section (physics), 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: We report on a search in e^+e^− annihilations for new π^0-like particles produced in association with a τ-lepton pair. These objects, with a similar mass and similar decay modes to π^0 mesons, could provide an explanation for the non-asymptotic behavior of the pion-photon transition form factor observed by the BABAR Collaboration. No significant signal is observed, and limits on the production cross section at the level of 73 fb or 370 fb, depending on the model parameters, are determined at 90% confidence level. These upper limits lie below the cross section values needed to explain the BABAR form factor data.
Published: 2014

28. Search for a Dark Photon ine+e−Collisions atBaBar

Author: X. C. Lou, J. J. Walsh, D. N. Brown, Corrado Angelini, P. C. Bloom, Stephen Sekula, D. Lopes Pegna, Colin Jessop, A. Khan, C. Bozzi, G. De Nardo, K. Honscheid, R. Prepost, P. Lewis, A. G. Denig, B. N. Ratcliff, Stefan Spanier, P. Patteri, Timothy Gershon, M. Posocco, Sw. Banerjee, W. Dunwoodie, M. Morandin, Alessandro Pilloni, J. L. Ritchie, C. Touramanis, E. O. Olaiya, R. Stroili, M. Hess, G. J. King, B. Bhuyan, S. I. Serednyakov, O. Grünberg, G. Vasseur, K. T. Flood, Florian Urs Bernlochner, F. Palombo, T. Lueck, James D. Olsen, R. Godang, D. R. Peimer, J. Dorfan, C. Hast, L. T. Kerth, T. S. Mattison, B. G. Fulsom, E. P. Solodov, T. S. Miyashita, V. E. Blinov, S. Pacetti, R. Cowan, D. Aston, R. Y. So, D. J. Lange, G. Piredda, H. W. Wulsin, Yu. G. Kolomensky, W. Panduro Vazquez, Abner Soffer, H. L. Lynch, M. T. Graham, R. Faccini, G. Rizzo, F. Ferrarotto, A. J. Lankford, M. Rama, F. Le Diberder, R. Andreassen, J. R. Fry, F. Anulli, T. Leddig, J. A. McKenna, A. Oyanguren, H. R. Band, Bruce Schumm, E. Grauges, Mario Giorgi, J. Bougher, J. D. Richman, G. Lynch, A. Snyder, R. Gorodeisky, W. S. Lockman, M. Bellis, M. R. Convery, Christopher West, C. Hearty, Pablo Villanueva-Perez, M. Simard, D. A. Roberts, B. C. Wray, R. H. Schindler, Sridhara Dasu, C. H. Cheng, Dmytro Kovalskyi, J. P. Lees, Hossain Ahmed, R. de Sangro, G. Grosdidier, A. M. Lutz, D. Su, N. Tasneem, Aidan Randle-Conde, M. Franco Sevilla, V. Luth, G. A. Cowan, Sau Lan Wu, A. Hafner, E. M. T. Puccio, A. Roodman, E. Fioravanti, Roland Waldi, F. Ferroni, Andrei Gritsan, M. Piccolo, G. Batignani, F. Simonetto, T. Pulliam, Maria Roberta Monge, Paul Fraser Harrison, S. Passaggio, C. Bünger, F. De Mori, M. Mandelkern, V. Santoro, A. Stocchi, Andrei Salnikov, D. B. Macfarlane, E. Paoloni, Heiko Lacker, P. M. Patel, W. H. Toki, Stephen Robert Wagner, Andrea Rodriguez Perez, James R. Wilson, William T. Ford, H. Briand, A. Jawahery, Claudio Campagnari, Andreas Filippi, S. Martellotti, Simon Akar, G. Cibinetto, S. H. Robertson, M. Carpinelli, R. Calabrese, G. Onorato, Chunhui Chen, S. Luitz, E. Feltresi, J. R. Smith, K. R. Schubert, H. H. F. Choi, Enrico Robutti, P. Ongmongkolkul, E. Ben-Haim, Herbert Koch, D. Lindemann, A. Calcaterra, G. Eigen, S. Emery, A. M. Eisner, Elisa Manoni, J. Chauveau, I. M. Nugent, M. Verderi, R. Cenci, Maurizio Martinelli, A. Zallo, M. K. Sullivan, S. Playfer, Yu. I. Skovpen, M. Feng, Marco Bomben, B. Oberhof, F. Forti, K. Griessinger, J. M. Roney, D. S. Chao, U. Mallik, V. B. Golubev, M. J. Lewczuk, M. Fritsch, Brian Meadows, M. Davier, Eleonora Luppi, A. Palano, E. A. Kravchenko, W. R. Innes, Gabriele Simi, Crisostomo Sciacca, David Hutchcroft, F. Di Lodovico, M. Lo Vetere, C. L. Davis, M. V. Purohit, P. D. Dauncey, H. Neal, T. Hartmann, A. Adametz, D. J. Payne, Douglas Wright, J. Albert, D. W G S Leith, A. R. Buzykaev, A. Beaulieu, P. Taras, P. C. Kim, Tim Adye, Maurizio Biasini, R. D. Kass, D. J. Summers, Michael Sokoloff, Z. C. Huard, B. Malaescu, M. Gaspero, J. P. Coleman, R. J. Sobie, M. J. Lee, G. Sciolla, G. R. Bonneaud, Owen Rosser Long, A. Seiden, L. Vitale, F. Martinez-Vidal, Dominik Müller, S. Prell, B. Hamilton, M. Ebert, J. A. Ernst, U. Uwer, James H Cochran, V. Poireau, A. M. Rossi, G. Calderini, Joseph Izen, A. P. Onuchin, L. Sun, Alberto Cervelli, Roger Barlow, Martino Margoni, D. J. Bard, A. Lusiani, R. C. Field, V. P. Druzhinin, Adrian John Bevan, Alessandro Gaz, T. M. Hong, V. Prasad, J. Ocariz, Marcello Rotondo, J. W. Gary, R. Cheaib, L. M. Cremaldi, W. J. Wisniewski, J. M. LoSecco, Y. B. Pan, R. F. Schwitters, R. Kowalewski, A. M. Ruland, Denis Derkach, D. G. Hitlin, Nicola Neri, Giulia Casarosa, G. Wormser, T. Schroeder, B. G. Pushpawela, R. Contri, B. Echenard, D. Bernard, S. Bettarini, George Lafferty, R. Ayad, L. Piemontese, G. Finocchiaro, E. Gabathuler, F. C. Porter, M. Chrzaszcz, C. Voß, D. Bettoni, M. S. Alam, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, G. P. Dubois-Felsmann, J. Va'Vra, Ph Leruste, N. Arnaud, K. Yu. Todyshev, G. Raven, P. R. Burchat, Biplab Dey, Fergus Wilson, P. Sonnek, I. M. Peruzzi, F. Bianchi, M. Perl, S. Dittrich, R. Sacco, L. Li Gioi, B. Spaan, W. Gradl, L. Lanceri, A. J.S. Smith, D. Gamba, N. Guttman, B. Stugu, G. Marchiori, R. M. White, C. Cartaro, and P. Roudeau
Subjects: Physics, Particle physics, Muon, Photon, Anomalous magnetic dipole moment, Electron–positron annihilation, Dark matter, General Physics and Astronomy, Context (language use), Astrophysics::Cosmology and Extragalactic Astrophysics, 7. Clean energy, Dark photon, Standard Model, Nuclear physics
Abstract: Dark sectors charged under a new Abelian interaction have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-called dark photon (A^{'}), connecting the dark sector to the standard model. We present a search for a dark photon in the reaction e^{+}e^{-}→γA^{'}, A^{'}→e^{+}e^{-}, μ^{+}μ^{-} using 514 fb^{-1} of data collected with the BABAR detector. We observe no statistically significant deviations from the standard model predictions, and we set 90% confidence level upper limits on the mixing strength between the photon and dark photon at the level of 10^{-4}-10^{-3} for dark photon masses in the range 0.02-10.2 GeV. We further constrain the range of the parameter space favored by interpretations of the discrepancy between the calculated and measured anomalous magnetic moment of the muon.
Published: 2014

29. Measurements of directCPasymmetries inB→Xsγdecays using sum of exclusive decays

Author: A. Oyanguren, R. Godang, L. M. Cremaldi, B. Lindquist, A. M. Ruland, Elisa Guido, J. L. Ritchie, C. Touramanis, P. C. Bloom, S. I. Serednyakov, L. Piemontese, G. P. Dubois-Felsmann, P. Biassoni, O. Grünberg, I. M. Peruzzi, W. F. Wang, D. G. Hitlin, E. O. Olaiya, Stefan Spanier, Florian Urs Bernlochner, E. Gabathuler, D. M. Strom, M. Morandin, F. C. Porter, R. Y. So, U. Uwer, R. C. Field, F. Palombo, T. Lueck, Andrea Rodriguez Perez, James R. Wilson, R. Stroili, James D. Olsen, G. Eigen, D. Derkach, T. S. Mattison, B. C. Wray, R. Andreassen, H. A. Neal, D. Monorchio, Abner Soffer, E. P. Solodov, Gabriele Simi, Christopher West, Nicola Neri, S. Passaggio, C. Hast, D. J. Lange, G. Piredda, T. E. Latham, C. L. Davis, F. Bianchi, J. Bougher, C. Voß, M. Bellis, A. Calcaterra, D. Su, C. Bünger, M. Morii, V. E. Blinov, P. D. Dauncey, M. Piccolo, Ch Yèche, T. Hartmann, E. Grauges, Mario Giorgi, S. H. Robertson, A. R. Buzykaev, Sridhara Dasu, A. Jawahery, R. F. Schwitters, T. J. Gershon, C. Cartaro, M. Perl, G. Cibinetto, G. Batignani, D. E. Hutchcroft, M. Mandelkern, W. R. Innes, Giulia Casarosa, M. R. Convery, D. W. G. S. Leith, D. Dujmic, D. Bettoni, E. Feltresi, R. Cenci, A. Zallo, A. N. Yushkov, V. B. Golubev, Maria Roberta Monge, Herbert Koch, F. Simonetto, K. Griessinger, E. Paoloni, X. C. Lou, J. J. Walsh, D. B. MacFarlane, G. Rizzo, M. Rama, J. A. McKenna, G. Wormser, Marco Bomben, T. Schroeder, Ph. Leruste, A. Palano, Elisa Manoni, D. Aston, S. Playfer, Yu G. Kolomensky, I. Garzia, D. N. Brown, C. Patrignani, M. Fritsch, G. Calderini, P. Patteri, B. N. Ratcliff, A. G. Denig, B. Bhuyan, M. T. Graham, Eleonora Luppi, W. Park, J. E. Brau, S. Prell, Biplab Dey, B. G. Fulsom, V. Tisserand, James H Cochran, V. Poireau, P. Sonnek, Jose F Benitez, N. Tasneem, D. H. Wright, Aidan Randle-Conde, T. Leddig, H. R. Band, W. S. Lockman, F. Anulli, G. D. Lafferty, F. Le Diberder, Colin Jessop, A. M. Lutz, E. Ben-Haim, Sw. Banerjee, G. R. Bonneaud, Enrico Robutti, P. Ongmongkolkul, S. Sitt, F. De Mori, M. Rotondo, S. Luitz, Heiko Lacker, M. Franco Sevilla, A. Lusiani, S. Pacetti, R. Cowan, R. Prepost, J. Va’vra, Dmytro Kovalskyi, M. Lo Vetere, G. De Nardo, V. P. Druzhinin, Bruce Schumm, A. Stocchi, Andrei Salnikov, J. P. Lees, B. Oberhof, M. Verderi, S. Akar, M. Ebert, Corrado Angelini, C. Hearty, A. P. Wagner, Z. C. Huard, M. J. Lewczuk, J. Chauveau, Douglas Wright, E. Prencipe, Chunhui Chen, K. R. Schubert, V. Luth, Claudio Campagnari, R. Baldini-Ferroli, D. Kirkby, G. Vasseur, Stephen Sekula, D. Lopes Pegna, E. A. Kravchenko, A. Khan, K. T. Flood, D. J. Summers, D. Lindemann, A. Snyder, P. Roudeau, F. Forti, C. Bozzi, K. Honscheid, Crisostomo Sciacca, Alessandro Gaz, R. J. Sobie, T. M. Hong, R. J. Barlow, U. Mallik, M. Posocco, L. Vitale, F. Martinez-Vidal, Andrei Gritsan, Dominik Müller, A. Adametz, R. Schwierz, H. Ahmed, T. S. Miyashita, P. C. Kim, P. Taras, W. T. Meyer, M. Gaspero, W. Dunwoodie, E. Behn, J. P. Coleman, G. Finocchiaro, M. S. Alam, F. F. Wilson, B. G. Pushpawela, F. Di Lodovico, K. Yu. Todyshev, D. J. Payne, R. Sacco, U. Nauenberg, Nicolas Arnaud, B. Spaan, R. Contri, L. T. Kerth, V. Ziegler, W. Gradl, A. J.S. Smith, L. Lanceri, H. H. F. Choi, R. Gorodeisky, S. Emery, Maurizio Martinelli, M. Simard, D. A. Roberts, G. Grosdidier, J. M. Roney, B. Echenard, A. Hafner, D. Bernard, J. G. Smith, E. M. T. Puccio, H. Briand, Maurizio Biasini, S. Bettarini, Owen Rosser Long, A. Seiden, J. A. Ernst, R. Ayad, S. Zambito, G. Onorato, A. Filippi, B. T. Meadows, A. P. Onuchin, L. Sun, Alberto Cervelli, G. Raven, M. D. Sokoloff, P. R. Burchat, Adrian John Bevan, Martin Kocian, D. R. Peimer, R. Frey, Y. B. Pan, R. Kowalewski, G. Sciolla, B. Hamilton, S. Nelson, A. M. Rossi, Joseph Izen, A. Roodman, E. Fioravanti, Roland Waldi, F. Ferroni, Paul Fraser Harrison, P. M. Patel, Stephen Robert Wagner, M. K. Sullivan, S. Martellotti, M. Carpinelli, I. M. Nugent, D. S. Chao, M. Davier, M. J. Lee, Yu. I. Skovpen, G. Lynch, E. Torrence, A. M. Gabareen, W. T. Ford, Tim Adye, R. D. Kass, Martino Margoni, V. Prasad, Roberto Calabrese, D. J. Bard, J. Ocariz, J. W. Gary, R. Cheaib, P. Lewis, J. M. LoSecco, N. B. Sinev, W. J. Wisniewski, G. J. King, B. Malaescu, A. M. Eisner, G. Hamel de Monchenault, M. V. Purohit, J. Albert, M. Wittgen, Rafe Schindler, J. Dorfan, T. Pulliam, V. Santoro, H. L. Lynch, J. R. Fry, C. H. Cheng, R. de Sangro, S. L. Wu, W. H. Toki, H. W. Wulsin, R. Faccini, F. Ferrarotto, A. J. Lankford, J. D. Richman, Pablo Villanueva-Perez, G. A. Cowan, R. M. White, L. Li Gioi, D. Gamba, N. Guttman, B. Stugu, and G. Marchiori
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, media_common.quotation_subject, Resonance, 01 natural sciences, Asymmetry, Standard Model, Nuclear physics, Dipole, Isospin, 0103 physical sciences, CP violation, B meson, 010306 general physics, media_common
Abstract: We measure the direct CP violation asymmetry, A_(CP), in B→X_sγ and the isospin difference of the asymmetry, ΔA_(CP), using 429 fb^(−1) of data collected at Υ(4S) resonance with the BABAR detector at the PEP-II asymmetric-energy e^+e^− storage rings operating at the SLAC National Accelerator Laboratory. B mesons are reconstructed from ten charged B final states and six neutral B final states. We find A_(CP)=+(1.7±1.9±1.0)%, which is in agreement with the Standard Model prediction and provides an improvement on the world average. Moreover, we report the first measurement of the difference between A_(CP) for charged and neutral decay modes, ΔA_(CP)=+(5.0±3.9±1.5)%. Using the value of ΔA_(CP), we also provide 68% and 90% confidence intervals on the imaginary part of the ratio of the Wilson coefficients corresponding to the chromomagnetic dipole and the electromagnetic dipole transitions.
Published: 2014

30. Challenges in semileptonic $${\varvec{B}}$$ B decays

Author: P. Gambino, A. S. Kronfeld, M. Rotondo, C. Schwanda, F. Bernlochner, A. Bharucha, C. Bozzi, M. Calvi, L. Cao, G. Ciezarek, C. T. H. Davies, A. X. El-Khadra, S. Hashimoto, M. Jung, A. Khodjamirian, Z. Ligeti, E. Lunghi, V. Lüth, T. Mannel, S. Meinel, G. Paz, S. Schacht, S. Simula, W. Sutcliffe, and A. Vaquero Avilés-Casco
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Two of the elements of the Cabibbo–Kobayashi–Maskawa quark mixing matrix, $$|V_{ub}|$$ | V ub | and $$|V_{cb}|$$ | V cb | , are extracted from semileptonic B decays. The results of the B factories, analysed in the light of the most recent theoretical calculations, remain puzzling, because for both $$|V_{ub}|$$ | V ub | and $$|V_{cb}|$$ | V cb | the exclusive and inclusive determinations are in clear tension. Further, measurements in the $$\tau $$ τ channels at Belle, Babar, and LHCb show discrepancies with the Standard Model predictions, pointing to a possible violation of lepton flavor universality. LHCb and Belle II have the potential to resolve these issues in the next few years. This article summarizes the discussions and results obtained at the MITP workshop held on April 9–13, 2018, in Mainz, Germany, with the goal to develop a medium-term strategy of analyses and calculations aimed at solving the puzzles. Lattice and continuum theorists working together with experimentalists have discussed how to reshape the semileptonic analyses in view of the much higher luminosity expected at Belle II, searching for ways to systematically validate the theoretical predictions in both exclusive and inclusive B decays, and to exploit the rich possibilities at LHCb.
Published: 2020
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31. A toolkit for field identification and ecohydrological interpretation of peatland deposits in Germany

Author: C. Schulz, R. Meier-Uhlherr, V. Luthardt, and H. Joosten
Subjects: classification, guidance, gyttja, peat, restoration, Ecology, QH540-549.5
Abstract: Successful peatland restoration requires a knowledge of peatland stratigraphy in order to understand the hydrological and ecological conditions under which peat formation occurred and to identify realistic objectives and measures for the specific site. So far, the ability to accurately identify peat deposits and lake sediments has been largely restricted to experts. To facilitate identification by others, we provide an identification key for common peatland deposits in Germany and introduce standardised portraits of 17 peat and six gyttja types with extensive descriptions and supporting photographs. We also provide information on the indicative value of the peatland deposits in terms of site conditions at the time of deposition.
Published: 2019
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32. Search for B^{+}→K^{+}τ^{+}τ^{-} at the BaBar Experiment.

Author: Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Passaggio S, Patrignani C, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Cheaib R, Robertson SH, Dey B, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Smith AJ, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DW, Luitz S, Luth V, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EM, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, and Wu SL
Abstract: We search for the rare flavor-changing neutral current process B^{+}→K^{+}τ^{+}τ^{-} using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the ϒ(4S) resonance, corresponds to a total integrated luminosity of 424 fb^{-1} and to 471×10^{6} BB[over ¯] pairs. We reconstruct one B meson, produced in the ϒ(4S)→B^{+}B^{-} decay, in one of many hadronic decay modes and search for activity compatible with a B^{+}→K^{+}τ^{+}τ^{-} decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B^{+}→K^{+}τ^{+}τ^{-})<2.25×10^{-3}.
Published: 2017
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33. Observation of B→D(*) π^(+)π^(-)ℓ^(-)ν Decays in e^(+)e^(-) Collisions at the Υ(4S) Resonance.

Author: Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Ford WT, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Contri R, Monge MR, Passaggio S, Patrignani C, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Cheaib R, Patel PM, Robertson SH, Dey B, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJ, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DW, Luitz S, Luth V, MacFarlane DB, Muller DR, Neal H, Pulliam T, Ratcliff BN, Roodman A, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EM, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HH, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, and Wu SL
Abstract: We report on measurements of the decays of B¯ mesons into the semileptonic final states B¯→D^(*)π^(+)π^(-)ℓ^(-)ν¯, where D^(*) represents a D or D^(*) meson and ℓ^(-) is an electron or a muon. These measurements are based on 471×10^(6) BB ¯ pairs recorded with the BABAR detector at the SLAC asymmetric B factory PEP-II. We determine the branching fraction ratios R_{π^{+}π^{-}}^{(*)}=B(B[over ¯]→D^{(*)}π^{+}π^{-}ℓ^{-}ν[over ¯])/B(B[over ¯]→D^{(*)}ℓ^{-}ν[over ¯]) using events in which the second B meson is fully reconstructed. We find R_{π^{+}π^{-}}=0.067±0.010±0.008 and R_{π^{+}π^{-}}^{*}=0.019±0.005±0.004, where the first uncertainty is statistical and the second is systematic. Based on these results and assuming isospin invariance, we estimate that B[over ¯]→D^{(*)}ππℓ^{-}ν[over ¯] decays, where π denotes either a π^{±} and π^{0} meson, account for up to half the difference between the measured inclusive semileptonic branching fraction to charm hadrons and the corresponding sum of previously measured exclusive branching fractions.
Published: 2016
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34. First Observation of CP Violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data.

Author: Abdesselam A, Adachi I, Adametz A, Adye T, Ahmed H, Aihara H, Akar S, Alam MS, Albert J, Al Said S, Andreassen R, Angelini C, Anulli F, Arinstein K, Arnaud N, Asner DM, Aston D, Aulchenko V, Aushev T, Ayad R, Babu V, Badhrees I, Bahinipati S, Bakich AM, Band HR, Banerjee S, Barberio E, Bard DJ, Barlow RJ, Batignani G, Beaulieu A, Bellis M, Ben-Haim E, Bernard D, Bernlochner FU, Bettarini S, Bettoni D, Bevan AJ, Bhardwaj V, Bhuyan B, Bianchi F, Biasini M, Biswal J, Blinov VE, Bloom PC, Bobrov A, Bomben M, Bondar A, Bonneaud GR, Bonvicini G, Bozek A, Bozzi C, Bračko M, Briand H, Browder TE, Brown DN, Brown DN, Bünger C, Burchat PR, Buzykaev AR, Calabrese R, Calcaterra A, Calderini G, Carpinelli M, Cartaro C, Casarosa G, Cenci R, Červenkov D, Chang P, Chao DS, Chauveau J, Cheaib R, Chekelian V, Chen A, Chen C, Cheng CH, Cheon BG, Chilikin K, Chistov R, Cho K, Chobanova V, Choi HH, Choi SK, Chrzaszcz M, Cibinetto G, Cinabro D, Cochran J, Coleman JP, Contri R, Convery MR, Cowan G, Cowan R, Cremaldi L, Dalseno J, Dasu S, Davier M, Davis CL, De Mori F, De Nardo G, Denig AG, Derkach D, de Sangro R, Dey B, Di Lodovico F, Dingfelder J, Dittrich S, Doležal Z, Dorfan J, Drásal Z, Drutskoy A, Druzhinin VP, Dubois-Felsmann GP, Dunwoodie W, Dutta D, Ebert M, Echenard B, Eidelman S, Eigen G, Eisner AM, Emery S, Ernst JA, Faccini R, Farhat H, Fast JE, Feindt M, Ferber T, Ferrarotto F, Ferroni F, Field RC, Filippi A, Finocchiaro G, Fioravanti E, Flood KT, Ford WT, Forti F, Franco Sevilla M, Fritsch M, Fry JR, Fulsom BG, Gabathuler E, Gabyshev N, Gamba D, Garmash A, Gary JW, Garzia I, Gaspero M, Gaur V, Gaz A, Gershon TJ, Getzkow D, Gillard R, Li Gioi L, Giorgi MA, Glattauer R, Godang R, Goh YM, Goldenzweig P, Golob B, Golubev VB, Gorodeisky R, Gradl W, Graham MT, Grauges E, Griessinger K, Gritsan AV, Grosdidier G, Grünberg O, Guttman N, Haba J, Hafner A, Hamilton B, Hara T, Harrison PF, Hast C, Hayasaka K, Hayashii H, Hearty C, He XH, Hess M, Hitlin DG, Hong TM, Honscheid K, Hou WS, Hsiung YB, Huard Z, Hutchcroft DE, Iijima T, Inguglia G, Innes WR, Ishikawa A, Itoh R, Iwasaki Y, Izen JM, Jaegle I, Jawahery A, Jessop CP, Joffe D, Joo KK, Julius T, Kang KH, Kass R, Kawasaki T, Kerth LT, Khan A, Kiesling C, Kim DY, Kim JB, Kim JH, Kim KT, Kim P, Kim SH, Kim YJ, King GJ, Kinoshita K, Ko BR, Koch H, Kodyš P, Kolomensky YG, Korpar S, Kovalskyi D, Kowalewski R, Kravchenko EA, Križan P, Krokovny P, Kuhr T, Kumar R, Kuzmin A, Kwon YJ, Lacker HM, Lafferty GD, Lanceri L, Lange DJ, Lankford AJ, Latham TE, Leddig T, Le Diberder F, Lee DH, Lee IS, Lee MJ, Lees JP, Leith DW, Leruste P, Lewczuk MJ, Lewis P, Libby J, Lockman WS, Long O, Lopes Pegna D, LoSecco JM, Lou XC, Lueck T, Luitz S, Lukin P, Luppi E, Lusiani A, Luth V, Lutz AM, Lynch G, MacFarlane DB, Malaescu B, Mallik U, Manoni E, Marchiori G, Margoni M, Martellotti S, Martinez-Vidal F, Masuda M, Mattison TS, Matvienko D, McKenna JA, Meadows BT, Miyabayashi K, Miyashita TS, Miyata H, Mizuk R, Mohanty GB, Moll A, Monge MR, Moon HK, Morandin M, Muller DR, Mussa R, Nakano E, Nakazawa H, Nakao M, Nanut T, Nayak M, Neal H, Neri N, Nisar NK, Nishida S, Nugent IM, Oberhof B, Ocariz J, Ogawa S, Okuno S, Olaiya EO, Olsen J, Ongmongkolkul P, Onorato G, Onuchin AP, Onuki Y, Ostrowicz W, Oyanguren A, Pakhlova G, Pakhlov P, Palano A, Pal B, Palombo F, Pan Y, Panduro Vazquez W, Paoloni E, Park CW, Park H, Passaggio S, Patel PM, Patrignani C, Patteri P, Payne DJ, Pedlar TK, Peimer DR, Peruzzi IM, Pesántez L, Pestotnik R, Petrič M, Piccolo M, Piemontese L, Piilonen LE, Pilloni A, Piredda G, Playfer S, Poireau V, Porter FC, Posocco M, Prasad V, Prell S, Prepost R, Puccio EM, Pulliam T, Purohit MV, Pushpawela BG, Rama M, Randle-Conde A, Ratcliff BN, Raven G, Ribežl E, Richman JD, Ritchie JL, Rizzo G, Roberts DA, Robertson SH, Röhrken M, Roney JM, Roodman A, Rossi A, Rostomyan A, Rotondo M, Roudeau P, Sacco R, Sakai Y, Sandilya S, Santelj L, Santoro V, Sanuki T, Sato Y, Savinov V, Schindler RH, Schneider O, Schnell G, Schroeder T, Schubert KR, Schumm BA, Schwanda C, Schwartz AJ, Schwitters RF, Sciacca C, Seiden A, Sekula SJ, Senyo K, Seon O, Serednyakov SI, Sevior ME, Shapkin M, Shebalin V, Shen CP, Shibata TA, Shiu JG, Simard M, Simi G, Simon F, Simonetto F, Skovpen YI, Smith AJ, Smith JG, Snyder A, So RY, Sobie RJ, Soffer A, Sohn YS, Sokoloff MD, Sokolov A, Solodov EP, Solovieva E, Spaan B, Spanier SM, Starič M, Stocchi A, Stroili R, Stugu B, Su D, Sullivan MK, Sumihama M, Sumisawa K, Sumiyoshi T, Summers DJ, Sun L, Tamponi U, Taras P, Tasneem N, Teramoto Y, Tisserand V, Todyshev KY, Toki WH, Touramanis C, Trabelsi K, Tsuboyama T, Uchida M, Uglov T, Unno Y, Uno S, Usov Y, Uwer U, Vahsen SE, Van Hulse C, Vanhoefer P, Varner G, Vasseur G, Va'vra J, Verderi M, Vinokurova A, Vitale L, Vorobyev V, Voß C, Wagner MN, Wagner SR, Waldi R, Walsh JJ, Wang CH, Wang MZ, Wang P, Watanabe Y, West CA, Williams KM, Wilson FF, Wilson JR, Wisniewski WJ, Won E, Wormser G, Wright DM, Wu SL, Wulsin HW, Yamamoto H, Yamaoka J, Yashchenko S, Yuan CZ, Yusa Y, Zallo A, Zhang CC, Zhang ZP, Zhilich V, Zhulanov V, and Zupanc A
Abstract: We report a measurement of the time-dependent CP asymmetry of B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays, where the light neutral hadron h^{0} is a π^{0}, η, or ω meson, and the neutral D meson is reconstructed in the CP eigenstates K^{+}K^{-}, K_{S}^{0}π^{0}, or K_{S}^{0}ω. The measurement is performed combining the final data samples collected at the ϒ(4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6} BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6} BB[over ¯] pairs recorded by the Belle detector. We measure the CP asymmetry parameters -η_{f}S=+0.66±0.10(stat)±0.06(syst) and C=-0.02±0.07(stat)±0.03(syst). These results correspond to the first observation of CP violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.
Published: 2015
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35. Search for Long-Lived Particles in e+ e- Collisions.

Author: Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, 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 IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, 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 GR, Briand H, Calderini G, Chauveau J, Leruste P, 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 MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJ, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DW, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EM, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HH, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, and Wu SL
Abstract: We present a search for a neutral, long-lived particle L that is produced in e+ e- collisions and decays at a significant distance from the e+ e- interaction point into various flavor combinations of two oppositely charged tracks. The analysis uses an e+ e- data sample with a luminosity of 489.1 fb(-1) collected by the BABAR detector at the ϒ(4S), ϒ(3S), and ϒ(2S) resonances and just below the ϒ(4S). Fitting the two-track mass distribution in search of a signal peak, we do not observe a significant signal, and set 90% confidence level upper limits on the product of the L production cross section, branching fraction, and reconstruction efficiency for six possible two-body L decay modes as a function of the L mass. The efficiency is given for each final state as a function of the mass, lifetime, and transverse momentum of the candidate, allowing application of the upper limits to any production model. In addition, upper limits are provided on the branching fraction B(B→XsL), where Xs is a strange hadronic system.
Published: 2015
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36. Study of CP asymmetry in B^{0}-B[over ¯]^{0} mixing with inclusive dilepton events.

Author: Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, 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 IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, 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 GR, Briand H, Calderini G, Chauveau J, Leruste P, 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 MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJ, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Anulli F, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DW, Lewis P, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EM, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HH, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, and Wu SL
Abstract: We present a measurement of the asymmetry A_{CP} between same-sign inclusive dilepton samples ℓ^{+}ℓ^{+} and ℓ^{-}ℓ^{-} (ℓ=e, μ) from semileptonic B decays in ϒ(4S)→BB[over ¯] events, using the complete data set recorded by the BABAR experiment near the ϒ(4S) resonance, corresponding to 471×10^{6} BB[over ¯] pairs. The asymmetry A_{CP} allows comparison between the mixing probabilities P(B[over ¯]^{0}→B^{0}) and P(B^{0}→B[over ¯]^{0}), and therefore probes CP and T violation. The result, A_{CP}=[-3.9±3.5(stat)±1.9(syst)]×10^{-3}, is consistent with the standard model expectation.
Published: 2015
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37. Search for a dark photon in e(+)e(-) collisions at BABAR.

Author: Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Feng M, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, 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 IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, 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 GR, Briand H, Calderini G, Chauveau J, Leruste P, 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 MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJ, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hartmann T, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Anulli F, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DW, Lewis P, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EM, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HH, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, and Wu SL
Abstract: Dark sectors charged under a new Abelian interaction have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-called dark photon (A^{'}), connecting the dark sector to the standard model. We present a search for a dark photon in the reaction e^{+}e^{-}→γA^{'}, A^{'}→e^{+}e^{-}, μ^{+}μ^{-} using 514 fb^{-1} of data collected with the BABAR detector. We observe no statistically significant deviations from the standard model predictions, and we set 90% confidence level upper limits on the mixing strength between the photon and dark photon at the level of 10^{-4}-10^{-3} for dark photon masses in the range 0.02-10.2 GeV. We further constrain the range of the parameter space favored by interpretations of the discrepancy between the calculated and measured anomalous magnetic moment of the muon.
Published: 2014
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