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1,204 results on '"G., Piredda"'

1. The design of the MEG II experiment

Author: A. M. Baldini, E. Baracchini, C. Bemporad, F. Berg, M. Biasotti, G. Boca, P. W. Cattaneo, G. Cavoto, F. Cei, M. Chiappini, G. Chiarello, C. Chiri, G. Cocciolo, A. Corvaglia, A. de Bari, M. De Gerone, A. D’Onofrio, M. Francesconi, Y. Fujii, L. Galli, F. Gatti, F. Grancagnolo, M. Grassi, D. N. Grigoriev, M. Hildebrandt, Z. Hodge, K. Ieki, F. Ignatov, R. Iwai, T. Iwamoto, D. Kaneko, K. Kasami, P.-R. Kettle, B. I. Khazin, N. Khomutov, A. Korenchenko, N. Kravchuk, T. Libeiro, M. Maki, N. Matsuzawa, S. Mihara, M. Milgie, W. Molzon, Toshinori Mori, F. Morsani, A. Mtchedilishvili, M. Nakao, S. Nakaura, D. Nicolò, H. Nishiguchi, M. Nishimura, S. Ogawa, W. Ootani, M. Panareo, A. Papa, A. Pepino, G. Piredda, A. Popov, F. Raffaelli, F. Renga, E. Ripiccini, S. Ritt, M. Rossella, G. Rutar, R. Sawada, G. Signorelli, M. Simonetta, G. F. Tassielli, Y. Uchiyama, M. Usami, M. Venturini, C. Voena, K. Yoshida, Yu. V. Yudin, and Y. Zhang
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The MEG experiment, designed to search for the $${\mu ^+ \rightarrow \hbox {e}^+ \gamma }$$ μ+→e+γ decay, completed data-taking in 2013 reaching a sensitivity level of $${5.3\times 10^{-13}}$$ 5.3×10-13 for the branching ratio. In order to increase the sensitivity reach of the experiment by an order of magnitude to the level of $$6\times 10^{-14}$$ 6×10-14 , a total upgrade, involving substantial changes to the experiment, has been undertaken, known as MEG II. We present both the motivation for the upgrade and a detailed overview of the design of the experiment and of the expected detector performance.
Published: 2018
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2. Search for an Axionlike Particle in B Meson Decays

Author: J P, Lees, V, Poireau, V, Tisserand, E, Grauges, A, Palano, G, Eigen, D N, Brown, Yu G, Kolomensky, M, Fritsch, H, Koch, T, Schroeder, R, Cheaib, C, Hearty, T S, Mattison, J A, McKenna, R Y, So, V E, Blinov, A R, Buzykaev, V P, Druzhinin, V B, Golubev, E A, Kozyrev, E A, Kravchenko, A P, Onuchin, S I, Serednyakov, Yu I, Skovpen, E P, Solodov, K Yu, Todyshev, A J, Lankford, B, Dey, J W, Gary, O, Long, A M, Eisner, W S, Lockman, W, Panduro Vazquez, D S, Chao, C H, Cheng, B, Echenard, K T, Flood, D G, Hitlin, J, Kim, Y, Li, D X, Lin, S, Middleton, T S, Miyashita, P, Ongmongkolkul, J, Oyang, F C, Porter, M, Röhrken, Z, Huard, B T, Meadows, B G, Pushpawela, M D, Sokoloff, L, Sun, J G, Smith, S R, Wagner, D, Bernard, M, Verderi, D, Bettoni, C, Bozzi, R, Calabrese, G, Cibinetto, E, Fioravanti, I, Garzia, E, Luppi, V, Santoro, A, Calcaterra, R, de Sangro, G, Finocchiaro, S, Martellotti, P, Patteri, I M, Peruzzi, M, Piccolo, M, Rotondo, A, Zallo, S, Passaggio, C, Patrignani, I, Flood, N, Nguyen, B J, Shuve, H M, Lacker, B, Bhuyan, U, Mallik, C, Chen, J, Cochran, S, Prell, A V, Gritsan, N, Arnaud, M, Davier, F, Le Diberder, A M, Lutz, G, Wormser, D J, Lange, D M, Wright, J P, Coleman, E, Gabathuler, D E, Hutchcroft, D J, Payne, C, Touramanis, A J, Bevan, F, Di Lodovico, R, Sacco, G, Cowan, Sw, Banerjee, C L, Davis, A G, Denig, W, Gradl, K, Griessinger, A, Hafner, K R, Schubert, R J, Barlow, G D, Lafferty, R, Cenci, A, Jawahery, D A, Roberts, R, Cowan, S H, Robertson, R M, Seddon, N, Neri, F, Palombo, L, Cremaldi, R, Godang, D J, Summers, P, Taras, G, De Nardo, C, Sciacca, G, Raven, C P, Jessop, J M, LoSecco, K, Honscheid, R, Kass, A, Gaz, M, Margoni, M, Posocco, G, Simi, F, Simonetto, R, Stroili, S, Akar, E, Ben-Haim, M, Bomben, G R, Bonneaud, G, Calderini, J, Chauveau, G, Marchiori, J, Ocariz, M, Biasini, E, Manoni, A, Rossi, G, Batignani, S, Bettarini, M, Carpinelli, G, Casarosa, M, Chrzaszcz, M, De Nuccio, F, Forti, M A, Giorgi, A, Lusiani, B, Oberhof, E, Paoloni, M, Rama, G, Rizzo, J J, Walsh, L, Zani, A J S, Smith, F, Anulli, R, Faccini, F, Ferrarotto, F, Ferroni, A, Pilloni, G, Piredda, C, Bünger, S, Dittrich, O, Grünberg, M, Heß, T, Leddig, C, Voß, R, Waldi, T, Adye, F F, Wilson, S, Emery, G, Vasseur, D, Aston, C, Cartaro, M R, Convery, J, Dorfan, W, Dunwoodie, M, Ebert, R C, Field, B G, Fulsom, M T, Graham, C, Hast, W R, Innes, P, Kim, D W G S, Leith, S, Luitz, D B, MacFarlane, D R, Muller, H, Neal, B N, Ratcliff, A, Roodman, M K, Sullivan, J, Va'vra, W J, Wisniewski, M V, Purohit, J R, Wilson, A, Randle-Conde, S J, Sekula, H, Ahmed, N, Tasneem, M, Bellis, P R, Burchat, E M T, Puccio, M S, Alam, J A, Ernst, R, Gorodeisky, N, Guttman, D R, Peimer, A, Soffer, S M, Spanier, J L, Ritchie, R F, Schwitters, J M, Izen, X C, Lou, F, Bianchi, F, De Mori, A, Filippi, D, Gamba, L, Lanceri, L, Vitale, F, Martinez-Vidal, A, Oyanguren, J, Albert, A, Beaulieu, F U, Bernlochner, G J, King, R, Kowalewski, T, Lueck, C, Miller, I M, Nugent, J M, Roney, R J, Sobie, T J, Gershon, P F, Harrison, T E, Latham, R, Prepost, S L, Wu, Lees, J, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Brown, D, Kolomensky, Y, Fritsch, M, Koch, H, Schroeder, T, Cheaib, R, Hearty, C, Mattison, T, Mckenna, J, So, R, Blinov, V, Buzykaev, A, Druzhinin, V, Golubev, V, Kozyrev, E, Kravchenko, E, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Todyshev, K, Lankford, A, Dey, B, Gary, J, Long, O, Eisner, A, Lockman, W, Panduro Vazquez, W, Chao, D, Cheng, C, Echenard, B, Flood, K, Hitlin, D, Kim, J, Li, Y, Lin, D, Middleton, S, Miyashita, T, Ongmongkolkul, P, Oyang, J, Porter, F, Röhrken, M, Huard, Z, Meadows, B, Pushpawela, B, Sokoloff, M, Sun, L, Smith, J, Wagner, S, 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, I, Piccolo, M, Rotondo, M, Zallo, A, Passaggio, S, Patrignani, C, Flood, I, Nguyen, N, Shuve, B, Lacker, H, Bhuyan, B, Mallik, U, Chen, C, Cochran, J, Prell, S, Gritsan, A, Arnaud, N, Davier, M, Le Diberder, F, Lutz, A, Wormser, G, Lange, D, Wright, D, Coleman, J, Gabathuler, E, Hutchcroft, D, Payne, D, Touramanis, C, Bevan, A, Di Lodovico, F, Sacco, R, Cowan, G, Banerjee, S, Davis, C, Denig, A, Gradl, W, Griessinger, K, Hafner, A, Schubert, K, Barlow, R, Lafferty, G, Cenci, R, Jawahery, A, Roberts, D, Cowan, R, Robertson, S, Seddon, R, Neri, N, Palombo, F, Cremaldi, L, Godang, R, Summers, D, Taras, P, De Nardo, G, Sciacca, C, Raven, G, Jessop, C, Losecco, J, Honscheid, K, Kass, R, Gaz, A, Margoni, M, Posocco, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben-Haim, E, Bomben, M, Bonneaud, G, Calderini, G, Chauveau, J, Marchiori, G, Ocariz, J, Biasini, M, Manoni, E, Rossi, A, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Chrzaszcz, M, De Nuccio, M, Forti, F, Giorgi, M, Lusiani, A, Oberhof, B, Paoloni, E, Rama, M, Rizzo, G, Walsh, J, Zani, L, Smith, A, 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, F, Emery, S, Vasseur, G, Aston, D, Cartaro, C, Convery, M, Dorfan, J, Dunwoodie, W, Ebert, M, Field, R, Fulsom, B, Graham, M, Hast, C, Innes, W, Kim, P, Leith, D, Luitz, S, Macfarlane, D, Muller, D, Neal, H, Ratcliff, B, Roodman, A, Sullivan, M, Va'Vra, J, Wisniewski, W, Purohit, M, Wilson, J, Randle-Conde, A, Sekula, S, Ahmed, H, Tasneem, N, Bellis, M, Burchat, P, Puccio, E, Alam, M, Ernst, J, Gorodeisky, R, Guttman, N, Peimer, D, Soffer, A, Spanier, S, Ritchie, J, Schwitters, R, Izen, J, Lou, X, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Lanceri, L, Vitale, L, Martinez-Vidal, F, Oyanguren, A, Albert, J, Beaulieu, A, Bernlochner, F, King, G, Kowalewski, R, Lueck, T, Miller, C, Nugent, I, Roney, J, Sobie, R, Gershon, T, Harrison, P, Latham, T, Prepost, R, Wu, S, Lees, J P, Brown, D N, Kolomensky, Yu G, Mattison, T S, McKenna, J A, So, R Y, Blinov, V E, Buzykaev, A R, Druzhinin, V P, Golubev, V B, Kozyrev, E A, Kravchenko, E A, Onuchin, A P, Serednyakov, S I, Skovpen, Yu I, Solodov, E P, Todyshev, K Yu, Lankford, A J, Gary, J W, Eisner, A M, Lockman, W S, Chao, D S, Cheng, C H, Flood, K T, Hitlin, D G, Lin, D X, Miyashita, T S, Porter, F C, Meadows, B T, Pushpawela, B G, Sokoloff, M D, Smith, J G, Wagner, S R, Peruzzi, I M, Shuve, B J, Lacker, H M, Gritsan, A V, Lutz, A M, Lange, D J, Wright, D M, Coleman, J P, Hutchcroft, D E, Payne, D J, Bevan, A J, Banerjee, Sw, Davis, C L, Denig, A G, Schubert, K R, Barlow, R J, Lafferty, G D, Roberts, D A, Robertson, S H, Seddon, R M, Summers, D J, Jessop, C P, LoSecco, J M, Bonneaud, G R, Giorgi, M A, Walsh, J J, Smith, A J S, Wilson, F F, Convery, M R, Field, R C, Fulsom, B G, Graham, M T, Innes, W R, Leith, D W G S, MacFarlane, D B, Muller, D R, Ratcliff, B N, Sullivan, M K, Va'vra, J, Wisniewski, W J, Purohit, M V, Wilson, J R, Sekula, S J, Burchat, P R, Puccio, E M T, Alam, M S, Ernst, J A, Peimer, D R, Spanier, S M, Ritchie, J L, Schwitters, R F, Izen, J M, Lou, X C, Bernlochner, F U, King, G J, Nugent, I M, Roney, J M, Sobie, R J, Gershon, T J, Harrison, P F, Latham, T E, Wu, S L, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BaBar, Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Kolomensky, Y. G., Fritsch, M., Koch, H., Schroeder, T., Cheaib, R., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kozyrev, E. A., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Y. I., Solodov, E. P., Todyshev, K. Y., Lankford, A. J., Dey, B., Gary, J. W., Long, O., Eisner, A. M., Lockman, W. S., Panduro Vazquez, W., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Kim, J., Li, Y., Lin, D. X., Middleton, S., Miyashita, T. S., Ongmongkolkul, P., Oyang, J., Porter, F. C., Rohrken, M., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Smith, J. G., Wagner, S. R., 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, I. M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Flood, I., Nguyen, N., Shuve, B. J., Lacker, H. M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A. M., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, S. W., Davis, C. L., Denig, A. G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Cenci, R., Jawahery, A., Roberts, D. A., Cowan, R., Robertson, S. H., Seddon, R. M., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Summers, D. J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Calderini, G., Chauveau, J., Marchiori, G., Ocariz, J., Biasini, M., Manoni, E., Rossi, A., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Chrzaszcz, M., De Nuccio, M., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J. J., Zani, L., Smith, A. J. S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., Bunger, C., Dittrich, S., Grunberg, O., Hess, M., Leddig, T., Voss, C., Waldi, R., Adye, T., Wilson, F. F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M. R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Leith, D. W. G. S., Luitz, S., Macfarlane, D. B., Muller, D. R., Neal, H., Ratcliff, B. N., Roodman, A., Sullivan, M. K., Va'Vra, J., Wisniewski, W. J., Purohit, M. V., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Ahmed, H., Tasneem, N., Bellis, M., Burchat, P. R., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Schwitters, R. F., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F. U., King, G. J., Kowalewski, R., Lueck, T., Miller, C., Nugent, I. M., Roney, J. M., Sobie, R. J., Gershon, T. J., Harrison, P. F., Latham, T. E., Prepost, R., Wu, S. L., Mckenna, J A, Losecco, J M, and Macfarlane, D B
Subjects: flavor changing, General Physics and Astronomy, B meson, High Energy Physics - Experiment, current: constraint, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], QC, B meson decay, scale: electroweak interaction, article, electron positron: colliding beams, mass dependence, The standard model, Confidence level, PEP-II, axion-like particles, axion: mass, photon: pair production, boson, axionlike particles, FOS: Physical sciences, coupling constant: upper limit, Bottom mesons, electron positron: annihilation, meson, Physics::Geophysics, BABAR experiment, B: rare decay, Bosons, Electroweak boson, axionlike particle, High Energy Physics::Phenomenology, ALPs, Particle ma, Upper limit, Bottom meson, Rare decays, SLAC PEP Stor, current, axion: radiative decay, HEP, Electroweak scale, Germanium compound, Orders of magnitude, Rare decay, axion, Hadron, BaBar, coupling: (axion 2photon), High Energy Physics::Experiment, experimental results
Abstract: Axion-like particles (ALPs) are predicted in many extensions of the Standard Model, and their masses can naturally be well below the electroweak scale. In the presence of couplings to electroweak bosons, these particles could be emitted in flavor-changing $B$ meson decays. We report herein a search for an ALP, $a$, in the reaction $B^\pm\rightarrow K^\pm a$, $a\rightarrow\gamma\gamma$ using data collected by the BABAR experiment at SLAC. No significant signal is observed, and 90% confidence level upper limits on the ALP coupling to electroweak bosons are derived as a function of ALP mass, improving current constraints by several orders of magnitude in the range $0.175\,\,\mathrm{GeV} < m_a < 4.78\,\,\mathrm{GeV}$., Comment: 11 pages, 8 figures, submitted to Phys. Rev. Lett
Published: 2022

3. Light meson spectroscopy from Dalitz plot analyses of ηc decays to η′K+K− , η′π+π− , and ηπ+π− produced in two-photon interactions

Author: Z. C. Huard, U. Mallik, Yu. I. Skovpen, T. S. Miyashita, N. Neri, F. Anulli, E. Grauges, G. R. Bonneaud, Mario Giorgi, J. Dorfan, E. Fioravanti, F. Palombo, T. Lueck, Alessandro Gaz, B. N. Ratcliff, G. J. King, Elisa Manoni, F. Di Lodovico, A. M. Rossi, M. Verderi, N. Arnaud, J. L. Ritchie, L. M. Cremaldi, R. Y. So, A. Roodman, M. Rotondo, D. J. Payne, J. W. Gary, M. Ebert, S. H. Robertson, S. Bettarini, R. M. Seddon, F. Ferroni, R. Cenci, G. De Nardo, A. J. Bevan, Herbert Koch, Crisostomo Sciacca, D. Aston, A. Zallo, J. B. Kim, G. Rizzo, P. F. Harrison, D. G. Hitlin, W. J. Wisniewski, N. Tasneem, M. Fritsch, B. T. Meadows, G. Raven, K. Griessinger, S. M. Spanier, Tim Adye, A. Oyanguren, Stephen Robert Wagner, Aidan Randle-Conde, R. D. Kass, R. C. Field, F. Forti, K. R. Schubert, S. Passaggio, M. D. Sokoloff, P. R. Burchat, Yu. G. Kolomensky, G. Finocchiaro, J. P. Lees, Simon Akar, M. S. Alam, R. Prepost, J. M. Roney, C. Hast, S. Luitz, D. J. Lange, S. Martellotti, G. Piredda, W. Panduro Vazquez, D. E. Hutchcroft, Babar, J. Ocariz, I. M. Peruzzi, J. G. Smith, D. B. MacFarlane, H. A. Neal, G. Wormser, A. Calcaterra, C. Bünger, Maurizio Biasini, D. R. Muller, G. Casarosa, T. Leddig, Tamara Vazquez Schroeder, J. M. Izen, P. Ongmongkolkul, B. Bhuyan, B. Oberhof, V. E. Blinov, J. Cochran, E. A. Kravchenko, M. Piccolo, W. S. Lockman, B. G. Fulsom, T. J. Gershon, G. Vasseur, S. I. Serednyakov, F. Bianchi, I. M. Nugent, R. Cheaib, T. S. Mattison, C. Cartaro, Y. B. Li, Owen Rosser Long, D. W. G. S. Leith, G. Batignani, S. J. Sekula, M. R. Convery, A. Jawahery, V. Santoro, B. G. Pushpawela, W. Dunwoodie, Marco Bomben, S. Dittrich, D. S. Chao, R. Waldi, R. Gorodeisky, D. N. Brown, F. F. Wilson, Douglas Wright, D. A. Roberts, L. Zani, J. A. Ernst, L. Sun, T. E. Latham, M. Carpinelli, V. B. Golubev, C. P. Jessop, G. Calderini, Martino Margoni, M. Davier, J. M. LoSecco, M. K. Sullivan, S. Emery, E. Ben-Haim, E. A. Kozyrev, C. Touramanis, A. M. Lutz, E. Paoloni, B. Dey, M. T. Graham, A. Hafner, O. Grünberg, W. Gradl, D. X. Lin, M. Rama, J. Va’vra, Hamad Ahmed, R. Kowalewski, J. A. McKenna, A. P. Onuchin, E. M. T. Puccio, G. Cibinetto, A. V. Gritsan, Alessandro Pilloni, A. R. Buzykaev, D. R. Peimer, K. T. Flood, A. Beaulieu, M. Röhrken, A. Palano, R. Sacco, N. Guttman, G. Marchiori, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, F. De Mori, P. Patteri, L. Lanceri, A. Filippi, Denis Bernard, A. J. S. Smith, R. Cowan, B. Echenard, J. Chauveau, V. P. Druzhinin, C. Bozzi, G. Cowan, K. Honscheid, R. J. Barlow, M. Posocco, D. Gamba, M. Bellis, James R. Wilson, Brian Shuve, R. Calabrese, G. Eigen, K. Yu Todyshev, R. Stroili, F. Simonetto, J. J. Walsh, G. D. Lafferty, X. C. Lou, J. Oyang, R. Godang, Cheng Chen, H. M. Lacker, M. Heß, C. Hearty, D. J. Summers, S. Prell, I. Garzia, R. J. Sobie, V. Poireau, A. Soffer, L. Vitale, F. Martinez-Vidal, A. Lusiani, E. Luppi, P. Taras, E. P. Solodov, J. P. Coleman, A. G. Denig, C. L. Davis, R. F. Schwitters, A. M. Eisner, Peter S. Kim, M. V. Purohit, J. Albert, C. H. Cheng, R. de Sangro, S. L. Wu, E. Gabathuler, W. R. Innes, F. C. Porter, M. Chrzaszcz, C. Voß, Sw. Banerjee, G. Simi, D. Bettoni, Florian Urs Bernlochner, C. Patrignani, and V. Tisserand
Subjects: Physics, Meson, 010308 nuclear & particles physics, Branching fraction, Glueball, Electron–positron annihilation, Resonance, Dalitz plot, 01 natural sciences, Crystallography, 0103 physical sciences, 010306 general physics, Spectroscopy, Scalar meson
Abstract: We study the processes γ γ → η c → η ′ K + K - , η ′ π + π - , and η π + π - 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 ( n S ) ( n = 2 , 3, 4) resonances. This is the first observation of the decay η c → η ′ K + K - and we measure the branching fraction Γ ( η c → η ′ K + K - ) / ( Γ ( η c → η ′ π + π - ) = 0.644 ± 0.03 9 stat ± 0.03 2 sys . Significant interference is observed between γ γ → η c → η π + π - and the nonresonant two-photon process γ γ → η π + π - . A Dalitz plot analysis is performed of η c decays to η ′ K + K - , η ′ π + π - , and η π + π - . Combined with our previous analysis of η c → K K ¯ π , we measure the K 0 * ( 1430 ) parameters and the ratio between its η ′ K and π K couplings. The decay η c → η ′ π + π - is dominated by the f 0 ( 2100 ) resonance, also observed in J / ψ radiative decays. A new a 0 ( 1700 ) → η π resonance is observed in the η c → η π + π - channel. We also compare η c decays to η and η ′ final states in association with scalar mesons as they relate to the identification of the scalar glueball.
Published: 2021

4. Effect of different pastures on CLA content in milk and sheep cheese

Author: G. Piredda, A. Pirisi, S. Spada, M. Addis, G. Pinna, G. Molle, M. Decandia, and A. Cabiddu
Subjects: sheep, cheese, CLA, milk fat, pasture., Animal culture, SF1-1100
Abstract: It is known that milk composition included conjugated linoleic acid (CLA) is affected by animal feeding system (Cabiddu et al., 2001). In Sardinia dairy sheep feeding is mainly based on pastures. Most of them are characterised by self-regenerating species, like annual ryegrass (Lolium rigidum Gaudin) and burr medic (Medicago polymorpha L.). Non conventional species belonging to the Compositae family such as (Chrysanthemum coronarium L.) seem interesting for sheep feeding when other herbages decrease in quality (late spring- early summer)...
Published: 2011
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5. Optimization of a newly established gas-chromatographic method for determining lactose and galactose traces: Application to Pecorino Romano cheese

Author: G. Piredda, Giovanni Galistu, Maria Francesca Scintu, Ignazio Ibba, Nadia Spano, Maria Itria Pilo, Ilenia Idda, Gavino Sanna, Margherita Addis, and Valeria Marina Nurchi
Subjects: Detection limit, Lactose intolerance, Chromatography, European community, Geographic area, Chemistry, 010401 analytical chemistry, 0402 animal and dairy science, Food composition data, 04 agricultural and veterinary sciences, medicine.disease, 040201 dairy & animal science, 01 natural sciences, 0104 chemical sciences, Matrix (chemical analysis), chemistry.chemical_compound, Galactose, medicine, Lactose, Food Science
Abstract: In this work, we present and validate new gas-chromatographic with flame injection detector method to measure traces of lactose and galactose in cheese. Analytes are first extracted from the matrix by repeated treatments with a 40% (v/v) methanol/water solution, followed by their silanization with a 2:1 mixture of trimethylsilylimidazole and trimethylchlorosilane. Validation parameters show excellent limits of detection and quantification, and very good precision and trueness. The method was tested with a wide sampling of Protected Designation of Origin (PDO) Pecorino Romano sheep cheese (33 samples, different for geographic area of production, seasonality and ripening levels). For all of them, the concentration of lactose and galactose were always below the relevant limits of detection (i.e. 0.54 and 0.90 mg kg−1, respectively). On this basis, PDO Pecorino Romano sheep cheese is, according to both European Community and European Food Safety Authority guidelines, a “lactose free” foodstuff, useful in the dietary management of patients with galactosaemia and of people who are lactose intolerant.
Published: 2018

6. Study of the reactions e+e−→2(π+π−)π0π0π0 and 2(π+π−)π0π0η at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Author: R. Cenci, A. Zallo, J. B. Kim, M. Fritsch, E. Grauges, Mario Giorgi, A. V. Gritsan, D. B. MacFarlane, C. H. Cheng, Simon Akar, R. Prepost, E. A. Kravchenko, J. L. Ritchie, G. Vasseur, K. T. Flood, B. N. Ratcliff, Z. C. Huard, Y. I. Skovpen, A. Calcaterra, R. de Sangro, J. Va’vra, M. Röhrken, L. M. Cremaldi, A. Filippi, R. Cowan, R. Sacco, M. Ebert, C. L. Davis, A. Palano, P. Ongmongkolkul, Marco Bomben, G. J. King, N. Tasneem, James R. Wilson, F. Simonetto, S. Banerjee, P. Taras, E. P. Solodov, M. Piccolo, M. Hess, Brian Shuve, R. Calabrese, G. Batignani, F. Anulli, Aidan Randle-Conde, G. Simi, D. G. Hitlin, P. Patteri, P. F. Harrison, V. P. Druzhinin, C. Bozzi, G. Cowan, K. Honscheid, Alessandro Gaz, E. Ben-Haim, J. Oyang, G. Eigen, Alessandro Pilloni, Cheng Chen, R. J. Barlow, J. J. Walsh, S. H. Robertson, M. Posocco, D. R. Peimer, R. Gorodeisky, V. B. Golubev, J. Ocariz, Crisostomo Sciacca, D. Aston, N. Guttman, F. Forti, D. A. Roberts, G. Rizzo, B. Echenard, Douglas Wright, Herbert Koch, M. Rotondo, L. Zani, V. E. Blinov, A. M. Lutz, R. Cheaib, H. A. Neal, G. Casarosa, D. X. Lin, R. Waldi, M. Rama, J. P. Coleman, D. Gamba, M. Bellis, G. De Nardo, X. C. Lou, J. A. McKenna, M. T. Graham, A. Hafner, E. Gabathuler, W. R. Innes, C. Hearty, F. C. Porter, J. M. LoSecco, T. E. Latham, K. Griessinger, G. Marchiori, G. Wormser, M. Carpinelli, C. Voss, B. Dey, J. M. Izen, A. Oyanguren, W. Gradl, E. M. T. Puccio, D. J. Summers, J. P. Lees, G. D. Lafferty, D. W. G. S. Leith, S. Prell, Hamad Ahmed, R. Stroili, R. Faccini, I. Garzia, F. De Mori, J. Cochran, M. Chrzaszcz, F. Ferrarotto, A. J. Lankford, B. Bhuyan, F. Le Diberder, G. Calderini, A. R. Buzykaev, V. Santoro, B. G. Fulsom, R. J. Sobie, V. Poireau, A. Beaulieu, L. Vitale, Denis Bernard, Peter S. Kim, F. Martinez-Vidal, A. J. S. Smith, Y. B. Li, A. Soffer, A. M. Rossi, R. C. Field, L. Lanceri, W. Dunwoodie, S. Luitz, C. P. Jessop, E. Fioravanti, A. Lusiani, Martino Margoni, W. J. Wisniewski, F. Palombo, T. Lueck, E. Luppi, J. Chauveau, Maurizio Biasini, G. Finocchiaro, D. R. Muller, M. K. Sullivan, R. Godang, A. Roodman, Tamara Vazquez Schroeder, C. Cartaro, H. M. Lacker, R. M. Seddon, M. S. Alam, Owen Rosser Long, B. G. Pushpawela, F. Ferroni, So R. Y., A. G. Denig, Tim Adye, R. D. Kass, J. A. Ernst, L. Sun, B. Oberhof, Stephen Robert Wagner, B. T. Meadows, S. Passaggio, K. R. Schubert, S. Martellotti, R. F. Schwitters, R. Kowalewski, G. Raven, M. D. Sokoloff, C. Bünger, I. M. Nugent, K. Y. Todyshev, P. R. Burchat, D. S. Chao, M. Davier, S. J. Sekula, A. Jawahery, E. A. Kozyrev, A. P. Onuchin, G. Cibinetto, C. Hast, D. J. Lange, G. Piredda, W. Panduro Vazquez, A. M. Eisner, T. J. Gershon, M. V. Purohit, G. R. Bonneaud, J. Dorfan, J. Albert, Elisa Manoni, M. Verderi, N. Arnaud, E. Paoloni, I. M. Peruzzi, J. W. Gary, S. I. Serednyakov, F. Bianchi, S. Dittrich, Wu S. L., Y. G. Kolomensky, C. Touramanis, O. Grünberg, J. M. Roney, J. G. Smith, U. Mallik, T. S. Miyashita, N. Neri, S. Bettarini, A. J. Bevan, S. M. Spanier, D. E. Hutchcroft, T. Leddig, F. Di Lodovico, W. S. Lockman, M. R. Convery, D. J. Payne, T. S. Mattison, D. N. Brown, F. F. Wilson, S. Emery, D. Bettoni, Florian Urs Bernlochner, C. Patrignani, and V. Tisserand
Subjects: Physics, 010308 nuclear & particles physics, 0103 physical sciences, Hadron, Mass spectrum, Analytical chemistry, Invariant mass, Center of mass, State (functional analysis), 010306 general physics, 01 natural sciences, Luminosity
Abstract: Author(s): Lees, JP; Poireau, V; Tisserand, V; Grauges, E; Palano, A; Eigen, G; Brown, DN; Kolomensky, YG; Fritsch, M; Koch, H; Schroeder, T; Cheaib, R; Hearty, C; Mattison, TS; McKenna, JA; So, RY; Blinov, VE; Buzykaev, AR; Druzhinin, VP; Golubev, VB; Kozyrev, EA; Kravchenko, EA; Onuchin, AP; Serednyakov, SI; Skovpen, YI; Solodov, EP; Todyshev, KY; Lankford, AJ; Dey, B; Gary, JW; Long, O; Eisner, AM; Lockman, WS; Panduro Vazquez, W; Chao, DS; Cheng, CH; Echenard, B; Flood, KT; Hitlin, DG; Kim, J; Li, Y; Lin, DX; Miyashita, TS; Ongmongkolkul, P; Oyang, J; Porter, FC; Rohrken, 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; Rotondo, M; Zallo, A; Passaggio, S; Patrignani, C; Shuve, BJ; Lacker, HM; Bhuyan, B; Mallik, U; Chen, C; Cochran, J; Prell, S; Gritsan, AV; Arnaud, N; Davier, M | Abstract: We study the processes e+e-→2(π+π-)π0π0π0γ and 2(π+π-)π0π0ηγ in which an energetic photon is radiated from the initial state. The data were collected with the BABAR detector at SLAC. About 14 000 and 4700 events, respectively, are selected from a data sample corresponding to an integrated luminosity of 469 fb-1. The invariant mass of the hadronic final state defines the effective e+e- center-of-mass energy. The center-of-mass energies range from threshold to 4.5 GeV. From the mass spectra, the first ever measurements of the e+e-→2(π+π-)π0π0π0 and the e+e-→2(π+π-)π0π0η cross sections are performed. The contributions from ωπ+π-π0π0, η2(π+π-), and other intermediate states are presented. We observe the J/ψ and ψ(2S) in most of these final states and measure the corresponding branching fractions, many of them for the first time.
Published: 2021

7. A survey on the milk fatty acid composition of forty dairy sheep flocks in Sardinia

Author: G. Molle, C. Porqueddu, G. Piredda, A. Spiga, C. Pintus, P. Oppia, A. Natale, G. Lutzoni, C. Bulleddu, V. Lai, A. Caria, R. Cammelli, S. Spada, M. Fiori, M. Decandia, A. Cabiddu, and M. Addis
Subjects: Dairy sheep, Milk FA, CLA, Animal culture, SF1-1100
Abstract: A survey was carried out to monitor milk fatty acid (FA) composition during two years (2003 and 2004) on forty dairy sheep flocks, fed pasture based rations, in 5 macro pedoclimatic areas of Sardinia, featured by different i) soil type, (granitic, G; basaltic, B and alluvial, A) ii) average annual rainfall (low, L, 500-600 mm/year; high, H, 600-800 mm/year). Milk FA profile was strongly influenced by year. In particular milk linolenic acid (LN), CLA (conjugated linoeic acid) and PUFA (polyunsaturated fatty acids) levels increased (by 25, 30 and 14%, respectively, P
Published: 2010
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8. Effect of different forage species supplemented with two carbohydrate sources on short and medium chain fatty acids in sheep milk

Author: G. Piredda, A. Cabiddu, M. Addis, A. Pirisi, M. Sitzia, M. Decandia, and G. Pinna
Subjects: Dairy products, Sheep, Fatty acid, Concentrate, Animal culture, SF1-1100
Abstract: Sixty four Sarda dairy sheep fed with diets based on fresh forage were allocated to eight groups to evaluate the effect of corn or beet pulp based supplementation on milk fatty acid composition. Four forage species were compared: annual ryegrass (RY, Lolium rigidum Gaudin), sulla (SU, Hedysarum coronarium L.), burr medic (BM, Medicago polymorpha L.), and garland, a daisy forb, (CH, Chrysanthemum coronarium L.). The supplements were iso-nitrogenous but differed in carbohydrate composition consisting either of 60% (DM) of corn (concentrate C) or 40% sugar beet pulp (concentrate BP). The supplementation was iso-energetic (500 and 530 g/d, respectively). Overall during winter period (growing stage of the forages) SU and RY groups showed higher levels of atherogenicity index and C16:0. In winter period BP outperformed C for palmitic acid. In spring AI showed a trend similar to that of winter. Moreover C concentrate gave a better level of AI and myristic acid than BP. This study confirms that forage species and, to a lesser extent, carbohydrate source in the supplement markedly affect mediumchain FA profile and hence atherogenicity index in sheep milk.
Published: 2010
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9. Light meson spectroscopy from Dalitz plot analyses ηc decays to η0K + K − , η0π + π − , and ηπ + π − produced in two-photon interactions

Author: J. ???P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, D. ???N. Brown, Yu. ???G. Kolomensky, M. Fritsch, H. Koch, T. Schroeder, R. Cheaib, C. Hearty, T. ???S. Mattison, J. ???A. McKenna, R. ???Y. So, V. ???E. Blinov, A. ???R. Buzykaev, V. ???P. Druzhinin, V. ???B. Golubev, E. ???A. Kozyrev, E. ???A. Kravchenko, A. ???P. Onuchin, S. ???I. Serednyakov, Yu. ???I. Skovpen, E. ???P. Solodov, K. ???Yu. Todyshev, A. ???J. Lankford, B. Dey, J. ???W. Gary, O. Long, A. ???M. Eisner, W. ???S. Lockman, W. Panduro Vazquez, D. ???S. Chao, C. ???H. Cheng, B. Echenard, K. ???T. Flood, D. ???G. Hitlin, J. Kim, Y. Li, D. ???X. Lin, T. ???S. Miyashita, P. Ongmongkolkul, J. Oyang, F. ???C. Porter, M. R??hrken, Z. Huard, B. ???T. Meadows, B. ???G. Pushpawela, M. ???D. Sokoloff, L. Sun, J. ???G. Smith, S. ???R. Wagner, D. Bernard, M. Verderi, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, V. Santoro, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. ???M. Peruzzi, M. Piccolo, M. Rotondo, A. Zallo, S. Passaggio, C. Patrignani, B. ???J. Shuve, H. ???M. Lacker, B. Bhuyan, U. Mallik, C. Chen, J. Cochran, S. Prell, A. ???V. Gritsan, N. Arnaud, M. Davier, F. Le Diberder, A. ???M. Lutz, G. Wormser, D. ???J. Lange, D. ???M. Wright, J. ???P. Coleman, E. Gabathuler, D. ???E. Hutchcroft, D. ???J. Payne, C. Touramanis, A. ???J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, Sw. Banerjee, C. ???L. Davis, A. ???G. Denig, W. Gradl, K. Griessinger, A. Hafner, K. ???R. Schubert, R. ???J. Barlow, G. ???D. Lafferty, R. Cenci, A. Jawahery, D. ???A. Roberts, R. Cowan, S. ???H. Robertson, R. ???M. Seddon, N. Neri, F. Palombo, L. Cremaldi, R. Godang, D. ???J. Summers, P. Taras, G. De Nardo, C. Sciacca, G. Raven, C. ???P. Jessop, J. ???M. LoSecco, K. Honscheid, R. Kass, A. Gaz, M. Margoni, M. Posocco, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G. ???R. Bonneaud, G. Calderini, J. Chauveau, G. Marchiori, J. Ocariz, M. Biasini, E. Manoni, A. Rossi, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, M. Chrzaszcz, F. Forti, M. ???A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, M. Rama, G. Rizzo, J. ???J. Walsh, L. Zani, A. ???J. ???S. Smith, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, A. Pilloni, G. Piredda, C. B??nger, S. Dittrich, O. Gr??nberg, M. He??, T. Leddig, C. Vo??, R. Waldi, T. Adye, F. ???F. Wilson, S. Emery, G. Vasseur, D. Aston, C. Cartaro, M. ???R. Convery, J. Dorfan, W. Dunwoodie, M. Ebert, R. ???C. Field, B. ???G. Fulsom, M. ???T. Graham, C. Hast, W. ???R. Innes, P. Kim, D. ???W. ???G. ???S. Leith, S. Luitz, D. ???B. MacFarlane, D. ???R. Muller, H. Neal, B. ???N. Ratcliff, A. Roodman, M. ???K. Sullivan, J. Va???vra, W. ???J. Wisniewski, M. ???V. Purohit, J. ???R. Wilson, A. Randle-Conde, S. ???J. Sekula, H. Ahmed, M. Bellis, P. ???R. Burchat, E. ???M. ???T. Puccio, M. ???S. Alam, J. ???A. Ernst, R. Gorodeisky, N. Guttman, D. ???R. Peimer, A. Soffer, S. ???M. Spanier, J. ???L. Ritchie, R. ???F. Schwitters, J. ???M. Izen, X. ???C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, J. Albert, A. Beaulieu, F. ???U. Bernlochner, G. ???J. King, R. Kowalewski, T. Lueck, I. ???M. Nugent, J. ???M. Roney, R. ???J. Sobie, N. Tasneem, T. ???J. Gershon, P. ???F. Harrison, T. ???E. Latham, R. Prepost, S. ???L. Wu, Lees, J. ???P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. ???N., Kolomensky, Yu. ???G., Fritsch, M., Koch, H., Schroeder, T., Cheaib, R., Hearty, C., Mattison, T. ???S., Mckenna, J. ???A., So, R. ???Y., Blinov, V. ???E., Buzykaev, A. ???R., Druzhinin, V. ???P., Golubev, V. ???B., Kozyrev, E. ???A., Kravchenko, E. ???A., Onuchin, A. ???P., Serednyakov, S. ???I., Skovpen, Yu. ???I., Solodov, E. ???P., Todyshev, K. ???Yu., Lankford, A. ???J., Dey, B., Gary, J. ???W., Long, O., Eisner, A. ???M., Lockman, W. ???S., Panduro Vazquez, W., Chao, D. ???S., Cheng, C. ???H., Echenard, B., Flood, K. ???T., Hitlin, D. ???G., Kim, J., Li, Y., Lin, D. ???X., Miyashita, T. ???S., Ongmongkolkul, P., Oyang, J., Porter, F. ???C., R??hrken, M., Huard, Z., Meadows, B. ???T., Pushpawela, B. ???G., Sokoloff, M. ???D., Sun, L., Smith, J. ???G., Wagner, S. ???R., 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, I. ???M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Shuve, B. ???J., Lacker, H. ???M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A. ???V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A. ???M., Wormser, G., Lange, D. ???J., Wright, D. ???M., Coleman, J. ???P., Gabathuler, E., Hutchcroft, D. ???E., Payne, D. ???J., Touramanis, C., Bevan, A. ???J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, Sw., Davis, C. ???L., Denig, A. ???G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K. ???R., Barlow, R. ???J., Lafferty, G. ???D., Cenci, R., Jawahery, A., Roberts, D. ???A., Cowan, R., Robertson, S. ???H., Seddon, R. ???M., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Summers, D. ???J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C. ???P., Losecco, J. ???M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. ???R., 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, M. ???A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J. ???J., Zani, L., Smith, A. ???J. ???S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., B??nger, C., Dittrich, S., Gr??nberg, O., He??, M., Leddig, T., Vo??, C., Waldi, R., Adye, T., Wilson, F. ???F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M. ???R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R. ???C., Fulsom, B. ???G., Graham, M. ???T., Hast, C., Innes, W. ???R., Kim, P., Leith, D. ???W. ???G. ???S., Luitz, S., Macfarlane, D. ???B., Muller, D. ???R., Neal, H., Ratcliff, B. ???N., Roodman, A., Sullivan, M. ???K., Va???vra, J., Wisniewski, W. ???J., Purohit, M. ???V., Wilson, J. ???R., Randle-Conde, A., Sekula, S. ???J., Ahmed, H., Bellis, M., Burchat, P. ???R., Puccio, E. ???M. ???T., Alam, M. ???S., Ernst, J. ???A., Gorodeisky, R., Guttman, N., Peimer, D. ???R., Soffer, A., Spanier, S. ???M., Ritchie, J. ???L., Schwitters, R. ???F., Izen, J. ???M., Lou, X. ???C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F. ???U., King, G. ???J., Kowalewski, R., Lueck, T., Nugent, I. ???M., Roney, J. ???M., Sobie, R. ???J., Tasneem, N., Gershon, T. ???J., Harrison, P. ???F., Latham, T. ???E., Prepost, R., and Wu, S. ???L.
Subjects: Belle II, SuperKEKB, Dalitz, Dalitz plot analyses, light meson, Light meson spectroscopy, Dalitz plot analyse
Abstract: We study the processes γγ → ηc → η0KþK−, η0πþπ−, and ηπþπ− 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. This is the first observation of the decay ηc → η0KþK− and we measure the branching fraction Γðηc → η0KþK−Þ=ðΓðηc → η0πþπ−Þ 1⁄4 0.644 0.039stat 0.032sys. Significant interference is observed between γγ → ηc → ηπþπ− and the nonresonant two-photon process γγ → ηπþπ−. A Dalitz plot analysis is performed of ηc decays to η0KþK−, η0πþπ−, and ηπþπ−. Combined with our previous analysis of ηc → KK ̄ π, we measure the K 0ð1430Þ parameters and the ratio between its η0K and πK couplings. The decay ηc → η0πþπ− is dominated by the f0ð2100Þ resonance, also observed in J=ψ radiative decays. A new a0(1700)→ ηπ resonance is observed in the ηc → ηπþπ− channel. We also compare ηc decays to η and η0 final states in association with scalar mesons as they relate to the identification of the scalar glueball.
Published: 2021

10. Precision Measurement of the Ratio B(ϒ(3S)→τ+τ−)/B(ϒ(3S)→μ+μ−)

Author: J. Dorfan, N. Tasneem, B. N. Ratcliff, Aidan Randle-Conde, Biplab Dey, M. Hess, Z. C. Huard, W. Panduro Vazquez, C. H. Cheng, F. Simonetto, R. de Sangro, A. Filippi, S. Bettarini, Roberto Calabrese, C. H. Chen, L. M. Cremaldi, R. Cowan, J. Ocariz, S. M. Spanier, Y. Li, A. Roodman, R. M. Seddon, I. M. Peruzzi, E. Fioravanti, Vladimir Blinov, F. Bianchi, S. Dittrich, S. Akar, W. S. Lockman, E. Ben-Haim, A. G. Denig, D. G. Hitlin, J. W. Gary, J. L. Ritchie, S. I. Serednyakov, Roland Waldi, F. Ferroni, So R. Y., M. Verderi, X. C. Lou, F. De Mori, F. Anulli, R. C. Field, R. Godang, U. Mallik, Heiko Lacker, E. Gabathuler, F. C. Porter, R. Gorodeisky, D. W. G. S. Leith, Paul Fraser Harrison, D. A. Roberts, Ju-Young Kim, N. Neri, N. Arnaud, J. M. LoSecco, G. Calderini, Stephen Robert Wagner, K. R. Schubert, M. K. Sullivan, D. Gamba, F. Forti, Alessandro Gaz, A. Hafner, E. M. T. Puccio, N. Guttman, W. Dunwoodie, A. Calcaterra, B. G. Pushpawela, C. Cartaro, G. Marchiori, Maurizio Biasini, C. Hearty, M. Chrzaszcz, A. Sibidanov, D. J. Summers, J. M. Roney, J. G. Smith, G. Wormser, Marco Bomben, S. H. Robertson, M. Fritsch, Douglas Wright, L. Zani, W. R. Innes, R. J. Sobie, M. V. Purohit, J. Albert, L. Vitale, R. Cheaib, D. Bettoni, Andrei Gritsan, James R. Wilson, S. Emery, Brian Shuve, F. Martinez-Vidal, Dominik Müller, T. Schroeder, J. J. Walsh, R. Cenci, A. Zallo, A. M. Rossi, F. Di Lodovico, D. J. Payne, V. Poireau, Owen Rosser Long, M. Piccolo, Joseph Izen, B. Echenard, D. Bernard, Florian Urs Bernlochner, D. N. Brown, Hamad Ahmed, F. Palombo, T. Lueck, D. E. Hutchcroft, J. A. Ernst, W. Gradl, Abner Soffer, Herbert Koch, M. T. Graham, T. Leddig, P. Ongmongkolkul, L. Lanceri, G. D. Lafferty, A. P. Onuchin, L. Sun, Eleonora Luppi, I. Garzia, K. Y. Todyshev, G. Batignani, J. Oyang, C. Patrignani, G. Rizzo, V. Tisserand, Colin Jessop, G. Eigen, G. Finocchiaro, D. X. Lin, D. B. MacFarlane, M. Rama, Adrian John Bevan, W. J. Wisniewski, R. Prepost, J. Chauveau, G. J. King, J. A. McKenna, S. Prell, T. E. Latham, K. Griessinger, E. Paoloni, Yuri Skovpen, F. F. Wilson, James H Cochran, J. P. Lees, S. Martellotti, M. Carpinelli, B. Oberhof, M. Rotondo, T. S. Mattison, B. T. Meadows, V. Santoro, A. Lusiani, G. De Nardo, G. Vasseur, K. T. Flood, M. Röhrken, G. Raven, M. D. Sokoloff, V. P. Druzhinin, Alessandro Pilloni, D. R. Peimer, A. M. Eisner, I. M. Nugent, R. Stroili, P. R. Burchat, C. Hast, D. J. Lange, G. Piredda, Sw. Banerjee, D. S. Chao, G. R. Bonneaud, E. Grauges, Mario Giorgi, M. Davier, R. Sacco, T. J. Gershon, P. Taras, Gabriele Simi, C. L. Davis, A. J.S. Smith, R. Kowalewski, J. P. Coleman, E. P. Solodov, T. S. Miyashita, R. F. Schwitters, Elisa Manoni, D. Aston, C. Bünger, E. A. Kravchenko, A. Oyanguren, Crisostomo Sciacca, M. Bellis, C. Touramanis, O. Grünberg, A. Jawahery, Martino Margoni, G. Cibinetto, E. A. Kozyrev, C. Voss, P. C. Kim, Tim Adye, R. D. Kass, B. Bhuyan, B. G. Fulsom, V. B. Golubev, A. Palano, S. Luitz, P. Patteri, J. Va’vra, A. M. Lutz, S. Passaggio, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, G. A. Cowan, M. Ebert, Stephen Sekula, C. Bozzi, K. Honscheid, R. J. Barlow, M. Posocco, H. A. Neal, G. Casarosa, A. R. Buzykaev, M. S. Alam, A. Beaulieu, Wu S. L., M. R. Convery, and Y. G. Kolomensky
Subjects: Physics, Particle physics, Meson, 0103 physical sciences, General Physics and Astronomy, High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Energy (signal processing), Standard Model
Abstract: We report on a precision measurement of the ratio ${\cal R}_{\tau\mu}^{\Upsilon(3S)} = {\cal B}(\Upsilon(3S)\to\tau^+\tau^-)/{\cal B}(\Upsilon(3S)\to\mu^+\mu^-)$ using data collected with the BaBar detector at the SLAC PEP-II $e^+e^-$ collider. The measurement is based on a 28 fb$^{-1}$ data sample collected at a center-of-mass energy of 10.355 GeV corresponding to a sample of 122 million $\Upsilon(3S)$ mesons. The ratio is measured to be ${\cal R}_{\tau\mu}^{\Upsilon(3S)} = 0.966 \pm 0.008_\mathrm{stat} \pm 0.014_\mathrm{syst}$ and is in agreement with the Standard Model prediction of 0.9948 within 2 standard deviations. The uncertainty in ${\cal R}_{\tau\mu}^{\Upsilon(3S)}$ is almost an order of magnitude smaller than the only previous measurement.
Published: 2020

11. New Analytical Tools for Unmasking Frauds in Raw Milk-Based Dairy Products: Assessment, Validation and Application to Fiore Sardo PDO Cheese of a RP-HPLC Method for the Evaluation of the α-l-Fucosidase Activity

Author: Margherita Addis, Alessio Silvio Dedola, G. Piredda, Gavino Sanna, Andrea Mara, Luca Piras, and A. Pirisi
Subjects: Filtration and Separation, 01 natural sciences, sheep milk, Analytical Chemistry, lcsh:Chemistry, Lactation, medicine, Food science, Sheep milk, α-l-fucosidase, Thermization, Mathematics, 010401 analytical chemistry, raw milk, 0402 animal and dairy science, food and beverages, Ripening, α l fucosidase, 04 agricultural and veterinary sciences, Raw milk, 040201 dairy & animal science, lcsh:QC1-999, 0104 chemical sciences, medicine.anatomical_structure, lcsh:QD1-999, Fiore Sardo PDO, RP-HPLC, thermization, lcsh:Physics
Abstract: The activity of &alpha, l-fucosidase (FSC) has been measured for the first time in Fiore Sardo PDO (Protected Designation of Origin) raw milk cheese. To do this, a RP-HPLC method has been developed, validated and tested on a reliable sampling of cheese experimentally produced in laboratory batches. Three experimental factors have been considered in this work: the thermal treatment undergone by the milk, the lactation period and the ripening time of cheese. Results obtained have evidenced: (i) a meaningful reduction in the activity of FSC from cheeses produced using raw milk to those obtained by thermized milk, (ii) an increase in the activity of FSC during the first months of lactation period (from December to February), followed by a substantial constancy in the central and final months of lactation (from February to May), (iii) the enzyme activity is independent of the ripening time. This method might be useful in revealing frauds related to the use of mild thermal treatments of the milk when this is not allowed as for Fiore Sardo PDO cheese but also for several PDO cheeses for which the specifications establish that raw milk only must be used for their production.
Published: 2020

12. Search for Rare or Forbidden Decays of the D0 Meson

Author: T. E. Latham, M. Carpinelli, J. Ocariz, J. W. Gary, V. B. Golubev, Alessandro Pilloni, E. Grauges, Mario Giorgi, Elisa Manoni, N. Tasneem, Yu G. Kolomensky, D. Aston, James R. Wilson, Brian Shuve, R. Calabrese, D. R. Peimer, A. Calcaterra, J. M. Roney, C. Cartaro, Aidan Randle-Conde, J. G. Smith, S. Bettarini, J. L. Ritchie, J. M. LoSecco, Marco Bomben, C. H. Chen, S. M. Spanier, D. Bettoni, Colin Jessop, R. Prepost, D. B. MacFarlane, M. Rama, A. M. Rossi, Joseph Izen, Z. C. Huard, W. Panduro Vazquez, C. Voss, L. M. Cremaldi, J. A. McKenna, H. A. Neal, G. Casarosa, W. R. Innes, W. S. Lockman, A. G. Denig, A. Oyanguren, F. Di Lodovico, D. J. Payne, E. A. Kravchenko, M. Verderi, S. Martellotti, C. Hearty, F. Anulli, B. T. Meadows, G. Raven, V. Poireau, Alessandro Gaz, M. Piccolo, D. J. Summers, M. D. Sokoloff, P. R. Burchat, Abner Soffer, G. Eigen, M. Fritsch, P. C. Kim, Crisostomo Sciacca, G. Rizzo, J. J. Walsh, W. J. Wisniewski, G. Vasseur, K. T. Flood, R. Kowalewski, W. Dunwoodie, U. Mallik, S. H. Robertson, S. Emery, G. Batignani, G. J. King, A. R. Buzykaev, M. S. Alam, D. G. Hitlin, E. A. Kozyrev, R. Cenci, C. Touramanis, E. Fioravanti, A. Zallo, Florian Urs Bernlochner, F. Palombo, T. Lueck, I. M. Nugent, B. G. Pushpawela, N. Neri, R. J. Sobie, L. Vitale, R. Sacco, Herbert Koch, D. S. Chao, A. Beaulieu, D. N. Brown, Douglas Wright, L. Zani, F. Martinez-Vidal, Dominik Müller, M. T. Graham, O. Grünberg, K. Griessinger, M. V. Purohit, J. P. Lees, J. Albert, R. C. Field, M. Davier, A. Roodman, R. M. Seddon, E. Paoloni, T. S. Miyashita, G. D. Lafferty, C. Patrignani, A. J.S. Smith, M. Ebert, E. Luppi, D. E. Hutchcroft, Stephen Sekula, R. Gorodeisky, D. A. Roberts, Roland Waldi, F. Ferroni, T. S. Mattison, T. Leddig, So R. Y., F. De Mori, C. L. Davis, P. Ongmongkolkul, R. Godang, F. Forti, C. Hast, D. J. Lange, G. Piredda, Paul Fraser Harrison, J. Dorfan, Heiko Lacker, A. Hafner, E. M. T. Puccio, B. Bhuyan, Ju-Young Kim, Maurizio Biasini, V. Tisserand, G. R. Bonneaud, M. Rotondo, R. Cheaib, Stephen Robert Wagner, B. G. Fulsom, Tim Adye, T. J. Gershon, K. R. Schubert, V. P. Druzhinin, C. Bozzi, K. Honscheid, M. K. Sullivan, V. E. Blinov, G. De Nardo, V. Santoro, R. D. Kass, Owen Rosser Long, Yu I. Skovpen, F. Simonetto, J. A. Ernst, W. Gradl, L. Lanceri, R. J. Barlow, B. Echenard, M. Röhrken, C. H. Cheng, M. Posocco, R. Faccini, F. Ferrarotto, A. J. Lankford, E. Gabathuler, F. C. Porter, D. Bernard, G. Wormser, L. Sun, G. Finocchiaro, J. Chauveau, T. Schroeder, E. Ben-Haim, R. de Sangro, Adrian John Bevan, M. Hess, F. Le Diberder, D. W. G. S. Leith, X. C. Lou, G. A. Cowan, G. Calderini, D. Gamba, M. Bellis, F. F. Wilson, Martino Margoni, M. Chrzaszcz, A. Filippi, B. Oberhof, A. M. Eisner, Y. Li, R. Cowan, Sw. Banerjee, S. Akar, G. Simi, S. Prell, I. Garzia, N. Guttman, James H Cochran, G. Marchiori, K. Yu Todyshev, R. Stroili, A. Lusiani, P. Taras, E. P. Solodov, J. P. Coleman, R. F. Schwitters, Hamad Ahmed, Andrei Gritsan, A. M. Lutz, S. Passaggio, C. Bünger, A. Jawahery, A. P. Onuchin, G. Cibinetto, A. Palano, S. Luitz, P. Patteri, J. Va’vra, Wu S. L., M. R. Convery, B. N. Ratcliff, Biplab Dey, I. M. Peruzzi, S. I. Serednyakov, F. Bianchi, S. Dittrich, and N. Arnaud
Subjects: Physics, Particle physics, Muon, Annihilation, Meson, Electron–positron annihilation, 0103 physical sciences, General Physics and Astronomy, Electron, 010306 general physics, 01 natural sciences
Abstract: We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type D^{0}→h^{'-}h^{-}l^{'+}l^{+} and D^{0}→h^{'-}h^{+}l^{'±}l^{∓}, where h and h^{'} represent a K or π meson and l and l^{'} an electron or muon. The analysis is based on 468 fb^{-1} of e^{+}e^{-} annihilation data collected at or close to the ϒ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. No significant signal is observed for any of the twelve modes, and we establish 90% confidence level upper limits on the branching fractions in the range (1.0-30.6)×10^{-7}. The limits are between 1 and 3 orders of magnitude more stringent than previous measurements.
Published: 2020

13. Measurements of the Absolute Branching Fractions of B± →k±Xc c

Author: A. J. Edwards, F. Simonetto, W. F. Mader, R. H. Schindler, Fry, Shanhui Fan, I Eschrich, W. Menges, M Bruinsma, K. Suzuki, T Schalk, R. Kroeger, J. M. Bauer, D. Boutigny, H. Nicholson, A Petzold, Marcello Rotondo, AT Watson, Martino Margoni, H. U. Flaecher, L. M. Cremaldi, M. Verderi, A Pompili, T. Hadig, U. Mallik, S. K. Swain, KS Chaisanguanthum, Muller, J. F. Strube, Roberto Calabrese, AN Yushkov, E. Gabathuler, Jordan Nash, O. Hamon, R. R. Kofler, M. Krishnamurthy, C. M. Cormack, AE Blinov, WH Toki, R Schwierz, Heiko Lacker, M Battaglia, D. G. Hitlin, S. Ye, M Andreotti, T. C. Petersen, Corrado Angelini, W. Gradl, Stephen Sekula, G Mancinelli, F. C. Porter, R. Ter-Antonyan, R. C. Field, D. E. Wagoner, W. O. Ruddick, Gabriele Simi, A. Buzzo, A. K. Mohapatra, D. J. Payne, J Kadyk, L Piemontese, F. Bucci, P. Wang, ML Vetere, G Lynch, D. Côté, L. Gioi, TW Beck, P. S. Jackson, R. Godang, D. Piccolo, Tisserand, G. Therin, J Marks, W. Bhimji, Gill, Q Zeng, S. Rodier, Nicola Neri, F. Lodovico, O. L. Buchmueller, D. Su, Nicolo De Groot, Wp Vazquez, B. Cheng, Chunhui Chen, K. R. Schubert, C. L. Davis, R. Gamet, H. L. Lynch, A. Gaidot, G. P. Gopal, B. Viaud, Maurizio Pierini, M. P. Kelly, M Saleem, D. J. Bard, A. Calcaterra, J. Ocariz, R Nogowski, M. Piccolo, M. T. Allen, S. Saremi, M Mandelkern, A. W. Weidemann, Matteo Rama, D. M. Strom, Mauro Morandin, G Brandenburg, S. Playfer, C. Bozzi, M. Haire, J. C. Williams, Halyo, K. Honscheid, C. A. Chavez, C. L. Edgar, J Zhang, LT Kerth, D. Dong, DC Williams, JE Sundermann, SE Morgan, J. M. Roney, JS Minamora, Luca Lista, S. J. Gowdy, K. A. George, J. G. Smith, M. B. Nikolich, D Kirkby, C. Cartaro, A. Oyanguren, G. Batignani, R. Sacco, C. Roat, M. Benayoun, Fabio Cossutti, M. A. Mazzoni, G. Wormser, RJ Wilson, H. L. Snoek, S Curry, J. W. Gary, K. Goetzen, B. Franek, P Bloom, R. Frey, H. J. Bulten, CJ Flacco, A. M. Eisner, D. W. G. S. Leith, Nicolas Berger, D. A. Hopkins, S. M. Spanier, Vladimir Blinov, G Vasileiadis, B Lewandowski, J Kroseberg, C. Gatto, A Santroni, S Tosi, C. K. Lae, D. B. MacFarlane, R. J. Barlow, G. Rizzo, E. P. Solodov, D Altenburg, W. N. Cottingham, N. Chevalier, M. Posocco, Marco Bomben, R. Barate, D. Bernard, JD Richman, C Thiebaux, J.J. Reidy, R. Bula, T. Cuhadar-Donszelmann, T. Schroeder, Johnson, G. Schott, M. H. Kelsey, T. Abe, J. Stelzer, C. Touramanis, J. P. Burke, E. Torrence, Giuseppe Della Ricca, Sw. Banerjee, M Pappagallo, Abner Soffer, C. Hearty, R. Claus, S. Prell, Matteo Negrini, Thomas Allmendinger, C. Dallapiccola, J. J. Hollar, Y. P. Lau, D. Fortin, J. A. McKenna, Kyung-Soo Yi, G. Calderini, Douglas Wright, P Lund, James H Cochran, R. Cenci, T. Glanzman, R. L. Flack, HP Paar, J. L. Ritchie, EA Eckhart, S. Bettarini, A. J.S. Smith, Philippe Grenier, M Macri, J. M. LoSecco, E Feltresi, A. Zallo, J. Libby, AB Breon, FS Tehrani, G. Grosdidier, I. J. Forster, D. J. Summers, M. Spitznagel, B Stugu, S. F. Ganzhur, H. R. Band, B Spaan, H. B. Crawley, I. Kitayama, S. I. Serednyakov, MG Wilson, M Morii, KE Ford, D Best, Yuri Skovpen, R. J. Sobie, G. W. London, Y Groysman, J. C. Dingfelder, N. B. Sinev, BL Hartfiel, R. Liu, Daniele Del Re, Luth, A. Perazzo, C. Voena, L. Vitale, W. R. Innes, RG Jacobsen, E Chen, Alam, T. S. Mattison, D. A. Sanders, F. Martinez-Vidal, J. Chauveau, M. J.J. John, R. Aleksan, S. B. Zain, G. P. Dubois-Felsmann, H. A. Neal, S. Willocq, D. Monorchio, I Ofte, K Peters, T. B. Moore, Q. K. Wong, B. T. Meadows, J. Biesiada, A Samuel, V. B. Koptchev, V. E. Ozcan, S. A. Majewski, A Seiden, P. Tan, C. Hast, D. J. Lange, G. Piredda, A. Dvoretskii, W. Kozanecki, M. Legendre, GS Abrams, G. Raven, T. Held, C. Lu, D. Judd, Y. B. Pan, D. Bettoni, M. Lu, Dmytro Kovalskyi, J. I. Yi, C. M. Brown, Y Xie, H. W. Zhao, P. D. Dauncey, J. P. Lees, R. Kowalewski, A. Hocker, S. Ahmed, D. Gamba, A. Lusiani, F. Gallo, RK Mommsen, P. R. Burchat, S Schrenk, M. Pioppi, F. Polci, N. S. Knecht, V. P. Druzhinin, Y Karyotakis, W. J. Wisniewski, A. Stocchi, F. R. Wappler, CM Hawkes, F. Forti, P. C. Kim, A. Lazzaro, J. E. Brau, Tim Adye, X. Giroux, M. Carpinelli, M. T. Naisbit, Lydia Roos, M. Morganti, C. Voci, Eleonora Luppi, R. Baldini-Ferroli, J. Schwiening, Julie Malcles, R. D. Kass, Q. H. Guo, C. De La Vaissiere, H. Kagan, H. Schröder, R. J. Parry, D. Dujmic, Tetiana Hrynova, K. K. Gan, D. A. Roberts, Anders Ryd, N. D. Qi, J. M. Thompson, C. Yeche, A. D'Orazio, F. E. Taylor, A Chen, T. M. Hong, MA Mazur, BA Schumm, D. Aston, C Campagnari, GH de Monchenault, M. H. Schune, Guglielmo De Nardo, G. Marchiori, U. Uwer, BC Shen, J Wu, M. Zito, NA Roe, C. P. O'Grady, M Dickopp, W. Dunwoodie, PJ Clark, M. A. Baak, M Chao, A. V. Telnov, WT Ford, J. Olsen, E. O. Olaiya, M. A. Saeed, W. T. Meyer, Y. S. Zhu, A. Mihalyi, Eyges, R. Stroili, J Schubert, Wagner, Hyunyong Kim, Maurizio Biasini, N. R. Barlow, Pierluigi Paolucci, U Nauenberg, Kenji Hamano, T.R. McMahon, C Buchanan, TJ Harrison, Ulrik Egede, Matthew J. Graham, M. Fritsch, T Piatenko, F Couderc, RW Kadel, S. S. Hertzbach, N. Danielson, R. Messner, A Zghiche, R. Faccini, Sokoloff, F. Ferrarotto, A. J. Lankford, Marcella Bona, AD Bukin, C. Patrignani, A. Cunha, F. Palombo, D Brown, E. Paoloni, F. Salvatore, JF Hirschauer, EJ Hill, S. Pacetti, Owen Rosser Long, G. B. Mohanty, L. Wilden, A. Kreisel, Kefeng Wang, F. Galeazzi, R. Cowan, Gabriele Benelli, P. Taras, Lepeltier, R. F. Schwitters, Mohamed H. Ahmed, M. L. Kocian, P. Roudeau, P. D. Jackson, AJ Hart, A. P. Onuchin, R. K. Yamamoto, J. J. Back, G. Finocchiaro, L Zhang, H. Staengle, PJ Oddone, W Verkerke, J Brose, LM Mir, E. Grauges, X. R. Chen, S. Brunet, M. G. Green, Adrian John Bevan, R. Bartoldus, P Kyberd, Zongfu Yu, G. A. Cowan, M. Gaspero, J. P. Coleman, G. Eigen, M Bondioli, C. T. Potter, A. Snyder, Mario Giorgi, Monge, Michael Steinke, S. Morganti, L. Gladney, M. J. Charles, R. Eckmann, F. F. Wilson, L. Bosisio, S Otto, Sridhara Dasu, M. Davier, G Kukartsev, W Roethel, Karsten Koeneke, K. A. Ulmer, Francesco Fabozzi, G. R. Bonneaud, A. J.R. Weinstein, Colin Jessop, Mousumi Datta, R. Prepost, Andrei Gritsan, I Narsky, SD Foulkes, HK Hadavand, Azzolini, A. Khan, F. Bellini, T. Orimoto, M Barrett, A. Olivas, M. Weaver, G. Vasseur, K. T. Flood, M. L. Perl, J. T. Boyd, Joseph Izen, K. C. Schofield, A. Roodman, R Andreassen, T. Pulliam, S Rahatlou, J. A. Ernst, H. Briand, Roland Waldi, F. Ferroni, N. Cavallo, L. Lanceri, Stéphane Plaszczynski, D. A. Bowerman, Paul Fraser Harrison, P. M. Patel, S. J. Chen, J.H. Panetta, X. Chai, M. K. Sullivan, A. Jawahery, Y. G. Kolomensky, Gabriella Sciolla, W. M. Bugg, G. Cibinetto, B. N. Ratcliff, Emanuele Di Marco, RN Cahn, P Spradlin, Eschenburg, B. A. Petersen, J. Dorfan, A. M. Boyarski, C. L. Brown, JW Berryhill, MT Ronan, P. E. Kutter, P. K. Behera, Ph Leruste, F Muheim, G.J. Wagner, N. Arnaud, B. Mayer, A. K. Yarritu, Convery, I. M. Peruzzi, C. H. Cheng, Luigi Del Buono, B. Aubert, E Robutti, H. Marsiske, R. de Sangro, S. L. Wu, RS Dubitzky, F. Bianchi, A. E. Rubin, N. van Bakel, C. C. Young, F. Diberder, J. Allison, WA Wenzel, A. M. Lutz, Poireau, Hui Li, G. Rong, Sergio Grancagnolo, R Contri, S. Passaggio, R. S. Panvini, M Pelizaeus, Wilson, W. D. Hulsbergen, Xingguo Li, M. V. Purohit, J. Albert, Bruce Mellado, Klose, M. Wittgen, E Charles, Pieter David, Ziegler, V. B. Golubev, Roberto Covarelli, A. Palano, G. Cavoto, David Hutchcroft, Bryan Dahmes, S. Luitz, S Schenk, J. Va’vra, Sharma, D. Hufnagel, Peter Elmer, DP Stoker, E Won, A. M. Eichenbaum, S. Ricciardi, L Teodorescu, C. A. Heusch, E. A. Kravchenko, Crisostomo Sciacca, CT Day, J. C. Chen, P. Patteri, R Capra, D. Wright, B. Bhuyan, B. G. Fulsom, X. C. Lou, J. J. Walsh, A. M. Rahimi, T. E. Latham, D. N. Brown, Gaillard, G. D. Lafferty, T Brandt, M Pripstein, Markus Cristinziani, O. Igonkina, F. X. Yumiceva, J Button-Shafer, S. H. Robertson, G Nesom, S. Emery, G. Blaylock, Herbert Koch, A Hauke, Lombardo, F. Blanc, A. Satpathy, M. C. Hodgkinson, G. Graziani, E. I. Rosenberg, W. S. Lockman, A. A. Salnikov, M. C. Simani, F. Anulli, S. Dittongo, U Langenegger, Lees J.P., Poireau V., Tisserand V., Grauges E., Palano A., Eigen G., Brown D.N., Kolomensky Y.G., Fritsch M., Koch H., Schroeder T., Cheaib R., Hearty C., Mattison T.S., McKenna J.A., So R.Y., Blinov V.E., Buzykaev A.R., Druzhinin V.P., Golubev V.B., Kozyrev E.A., Kravchenko E.A., Onuchin A.P., Serednyakov S.I., Skovpen Y.I., Solodov E.P., Todyshev K.Y., Lankford A.J., Dey B., Gary J.W., Long O., Eisner A.M., Lockman W.S., Panduro Vazquez W., Chao D.S., Cheng C.H., Echenard B., Flood K.T., Hitlin D.G., Kim J., Li Y., Miyashita T.S., Ongmongkolkul P., Porter F.C., Rohrken M., Huard Z., Meadows B.T., Pushpawela B.G., Sokoloff M.D., Sun L., Smith J.G., Wagner S.R., 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 I.M., Piccolo M., Rotondo M., Zallo A., Passaggio S., Patrignani C., Shuve B.J., Lacker H.M., Bhuyan B., Mallik U., Chen C., Cochran J., Prell S., Gritsan A.V., Arnaud N., Davier M., Le Diberder F., Lutz A.M., Wormser G., Lange D.J., Wright D.M., Coleman J.P., Gabathuler E., Hutchcroft D.E., Payne D.J., Touramanis C., Bevan A.J., Di Lodovico F., Sacco R., Cowan G., Banerjee S., Davis C.L., Denig A.G., Gradl W., Griessinger K., Hafner A., Schubert K.R., Barlow R.J., Lafferty G.D., Cenci R., Jawahery A., Roberts D.A., Cowan R., Robertson S.H., Seddon R.M., Neri N., Palombo F., Cremaldi L., Godang R., Summers D.J., Taras P., De Nardo G., Sciacca C., Raven G., Jessop C.P., Losecco J.M., Honscheid K., Kass R., Gaz A., Margoni M., Posocco M., Simi G., Simonetto F., Stroili R., Akar S., Ben-Haim E., Bomben M., Bonneaud G.R., 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 M.A., Lusiani A., Oberhof B., Paoloni E., Rama M., Rizzo G., Walsh J.J., Zani L., Smith A.J.S., Anulli F., Faccini R., Ferrarotto F., Ferroni F., Pilloni A., Piredda G., Bunger C., Dittrich S., Grunberg O., Hess M., Leddig T., Voss C., Waldi R., Adye T., Wilson F.F., Emery S., Vasseur G., Aston D., Cartaro C., Convery M.R., Dorfan J., Dunwoodie W., Ebert M., Field R.C., Fulsom B.G., Graham M.T., Hast C., Innes W.R., Kim P., Leith D.W.G.S., Luitz S., Macfarlane D.B., Muller D.R., Neal H., Ratcliff B.N., Roodman A., Sullivan M.K., Va'Vra J., Wisniewski W.J., Purohit M.V., Wilson J.R., Randle-Conde A., Sekula S.J., Ahmed H., Bellis M., Burchat P.R., Puccio E.M.T., Alam M.S., Ernst J.A., Gorodeisky R., Guttman N., Peimer D.R., Soffer A., Spanier S.M., Ritchie J.L., Schwitters R.F., Izen J.M., Lou X.C., Bianchi F., De Mori F., Filippi A., Gamba D., Lanceri L., Vitale L., Martinez-Vidal F., Oyanguren A., Albert J., Beaulieu A., Bernlochner F.U., King G.J., Kowalewski R., Lueck T., Nugent I.M., Roney J.M., Sobie R.J., Tasneem N., Gershon T.J., Harrison P.F., Latham T.E., Prepost R., Wu S.L., Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Kolomensky, Y. G., Fritsch, M., Koch, H., Schroeder, T., Cheaib, R., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kozyrev, E. A., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Y. I., Solodov, E. P., Todyshev, K. Y., Lankford, A. J., Dey, B., Gary, J. W., Long, O., Eisner, A. M., Lockman, W. S., Panduro Vazquez, W., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Kim, J., Li, Y., Miyashita, T. S., Ongmongkolkul, P., Porter, F. C., Rohrken, M., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Smith, J. G., Wagner, S. R., 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, I. M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Shuve, B. J., Lacker, H. M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A. M., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, S., Davis, C. L., Denig, A. G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Cenci, R., Jawahery, A., Roberts, D. A., Cowan, R., Robertson, S. H., Seddon, R. M., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Summers, D. J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., 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, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J. J., Zani, L., Smith, A. J. S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., Bunger, C., Dittrich, S., Grunberg, O., Hess, M., Leddig, T., Voss, C., Waldi, R., Adye, T., Wilson, F. F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M. R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Leith, D. W. G. S., Luitz, S., Macfarlane, D. B., Muller, D. R., Neal, H., Ratcliff, B. N., Roodman, A., Sullivan, M. K., Va'Vra, J., Wisniewski, W. J., Purohit, M. V., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Ahmed, H., Bellis, M., Burchat, P. R., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Schwitters, R. F., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F. U., King, G. J., Kowalewski, R., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Prepost, R., and Wu, S. L.
Subjects: Physics, Particle physics, Kjerne- og elementærpartikkelfysikk: 431 [VDP], Meson, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, BaBar experiment, Bottom meson, BaBar, PEP-II, B meson, Bottom mesons, Branching (polymer chemistry), 7. Clean energy, 01 natural sciences, Lower limit, HEP, NO, Nuclear and elementary particle physics: 431 [VDP], 0103 physical sciences, 010306 general physics, Bar (unit)
Abstract: A study of the two-body decays B±→XccK±, where Xcc refers to one charmonium state, is reported by the BABAR Collaboration using a data sample of 424 fb-1. The absolute determination of branching fractions for these decays are significantly improved compared to previous BABAR measurements. Evidence is found for the decay B+→X(3872)K+ at the 3σ level. The absolute branching fraction B[B+→X(3872)K+]=[2.1±0.6(stat)±0.3(syst)]×10-4 is measured for the first time. It follows that B[X(3872)→J/ψπ+π-]=(4.1±1.3)%, supporting the hypothesis of a molecular component for this resonance., This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), Institute of High Energy Physics (China), the Commissariat `a l’Energie Atomique and Institut National de Physique Nucl´eaire et de Physique des Particules (France), the Bundesministerium für 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 Science and Technology of the Russian Federation, and the Particle Physics and Astronomy Research Council (United Kingdom). Individuals have received support from CONACyT (Mexico), the A. P. Sloan Foundation, the Research Corporation, and the Alexander von Humboldt Foundation.
Published: 2020

14. Physico-chemical, colorimetric, rheological parameters and chemometric discrimination of the origin of Mugil cephalus' roes during the manufacturing process of Bottarga

Author: M. Pes, Gabriele Sanna, Gavino Sanna, Margherita Addis, G. Piredda, Marco Caredda, and N. Fois
Subjects: Lightness, Food Handling, Eggs, Color, Sodium Chloride, 0404 agricultural biotechnology, Rheology, Fish Products, Freezing, Animals, Fish Proteins, Dietary, Food science, Mathematics, Principal Component Analysis, biology, Viscosity, Manufacturing process, Mugil, Discriminant Analysis, 04 agricultural and veterinary sciences, biology.organism_classification, Lipids, 040401 food science, Smegmamorpha, Seafood, Linear Models, Female, Nutritive Value, Food Science
Abstract: The aim of this work was to measure the physico-chemical and the colorimetric parameters of ovaries from Mugil cephalus caught in the Tortolì lagoon (South-East coast of Sardinia) along the steps of the manufacturing process of Bottarga, together with the rheological parameters of the final product. A lowering of all CIELab coordinates (lightness, redness and yellowness) was observed during the manufacture process. All CIELab parameters were used to build a Linear Discriminant Analysis (LDA) predictive model able to determine in real time if the roes had been subdued to a freezing process, with a success in prediction of 100%. This model could be used to identify the origin of the roes, since only the imported ones are frozen. The major changes of all the studied parameters (p 0.05) were noted in the drying step rather than in the salting step. After processing, Bottarga was characterized by a pH value of 5.46 (CV = 2.8) and a moisture content of 25% (CV = 8), whereas the typical per cent amounts of proteins, fat and NaCl, calculated as a percentage on the dried weight, were 56 (CV = 2), 34 (CV = 3) and 3.6 (CV = 17), respectively. The physical chemical changes of the roes during the manufacturing process were consistent for moisture, which decreased by 28%, whereas the protein and the fat contents on the dried weight got respectively lower of 3% and 2%. NaCl content increased by 3.1%. Principal Component Analyses (PCA) were also performed on all data to establish trends and relationships among all parameters. Hardness and consistency of Bottarga were negatively correlated with the moisture content (r = -0.87 and r = -0.88, respectively), while its adhesiveness was negatively correlated with the fat content (r = -0.68).
Published: 2018

15. Enhancing and localizing light-matter interactions using surface plasmons

Author: M. Bohmler, N. Hartmann, C. Georgi, G. Piredda, J. Berteloth, A. Bouhelier, and A. Hartschuh
Subjects: Science (General), Q1-390
Abstract: The enhancement of light-matter interactions using the strong fields associated with surface plasmons in metallic structures is a powerful concept used for example in surface enhanced Raman scattering and plasmonic sensing. We investigated the coupling between nanoscale emitters and surface plasmons in sharp metal tips and smooth metal films by detecting the angular distribution of the emitted radiation. The localized nature of the interaction is utilized in a scanning-probe approach for high-resolution Raman and photoluminescence microscopy of one-dimensional nanostructures.
Published: 2011
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16. PO-0826: Hypofractionated radiotherapyfor HNSCC: a retrospective analysis of single Institution

Author: F. Sanna, F. Cabras, A. Carai, S. Marogna, A. Musu, E. Orefici, G. Piredda, P. Pittau, C. Sini, M. Urpis, L. Pelagatti, M.C. Santona, M. Giobbe, L. Bandinu, S. Cau, L. Canu, F. Salis, S. Dei, F. Capelli, and S. Campoccia
Subjects: Oncology, Radiology, Nuclear Medicine and imaging, Hematology
Published: 2020

17. Un processo innovativo per la produzione di un piatto tradizionale della Sardegna: il maialetto (Porcheddu) arrosto

Author: G. Battacone, C. Diaferia, G. Riu, S. Porcu, and G. Piredda
Subjects: Agricultural science, Carcass weight, African swine fever, Suckling Animals, General Medicine, Business, Body weight, Council directive, Animal origin
Abstract: Roasted piglet (Porcheddu) is one of the most appreciated traditional Sardinian dishes obtained from suckling animals slaughtered at 8-12 kg of body weight (BW). The traditional cooking method is time-consuming; this dish is eaten only when there is enough time for its preparation (cooking time of about 2 h). The Porcheddu is appreciated by both local and foreign consumers and there is also an increasing interest, for this traditional dish, by extra regional consumers and markets. Actually, since the occurrence of African swine fever (ASF), the trade of pigs and pig meat products is not permitted from Sardinia. The Council Directive 2002/99/EC provided a derogation for states member to authorize the production, processing and distribution of products of animal origin when a Heat treatment at a minimum temperature of 80°C, which must be reached throughout the meat is applied. The overall framework of this study was to evaluate an innovative process to obtain a traditional dish the Porcheddu suitable to achieve extra-regional markets and meet the demand of modern consumers and to assess the effect of carcass weight on the processing yield of suckling piglets, thermally treated, to obtain a ready-to-eat roast dish.
Published: 2018

18. Extraction of form Factors from a Four-Dimensional Angular Analysis of B¯→D*ℓ−ν¯ℓ

Author: V. B. Golubev, T. E. Latham, M. Carpinelli, D. B. MacFarlane, M. Rama, M. Rotondo, G. De Nardo, M. Röhrken, J. L. Ritchie, W. R. Innes, R. Y. So, A. Roodman, R. Sacco, Yu G. Kolomensky, J. P. Lees, R. M. Seddon, A. J.S. Smith, Roland Waldi, F. Ferroni, J. Dorfan, N. Tasneem, V. Santoro, Simon Akar, C. Bünger, J. J. Walsh, E. A. Kozyrev, B. T. Meadows, G. Raven, Paul Fraser Harrison, M. D. Sokoloff, P. R. Burchat, H. A. Neal, G. Casarosa, W. J. Wisniewski, D. N. Brown, Ju-Young Kim, Stephen Robert Wagner, Aidan Randle-Conde, G. R. Bonneaud, B. Bhuyan, A. Jawahery, R. Kowalewski, P. Ongmongkolkul, A. P. Onuchin, B. G. Fulsom, G. J. King, G. Cibinetto, M. K. Sullivan, S. Martellotti, C. H. Cheng, James R. Wilson, Andrei Gritsan, R. Gorodeisky, D. A. Roberts, V. Poireau, A. Hafner, E. M. T. Puccio, R. de Sangro, S. L. Wu, M. Piccolo, I. M. Nugent, R. Calabrese, G. Batignani, Crisostomo Sciacca, G. Rizzo, G. D. Lafferty, E. Ben-Haim, D. S. Chao, A. M. Lutz, A. R. Buzykaev, M. S. Alam, M. Davier, S. Passaggio, M. V. Purohit, S. H. Robertson, S. Emery, J. Albert, A. Beaulieu, J. Chauveau, F. De Mori, A. Palano, Herbert Koch, Heiko Lacker, J. M. Roney, S. Luitz, P. Patteri, J. Va’vra, A. M. Rossi, Joseph Izen, K. Griessinger, W. Dunwoodie, J. Ocariz, E. Fioravanti, J. G. Smith, G. Eigen, Florian Urs Bernlochner, F. Palombo, T. Lueck, M. Ebert, K. R. Schubert, Stephen Sekula, J. W. Gary, Abner Soffer, T. S. Miyashita, R. Cheaib, V. P. Druzhinin, C. Bozzi, K. Honscheid, V. E. Blinov, J. M. LoSecco, Z. C. Huard, W. Panduro Vazquez, F. Di Lodovico, D. J. Payne, R. J. Barlow, Tim Adye, B. G. Pushpawela, R. D. Kass, P. Taras, E. P. Solodov, M. Posocco, T. S. Mattison, Alessandro Pilloni, W. S. Lockman, D. R. Peimer, C. Hast, D. J. Lange, G. Piredda, F. Anulli, A. Filippi, J. A. McKenna, D. W. G. S. Leith, Alessandro Gaz, G. Calderini, E. Paoloni, R. Cowan, D. Gamba, J. P. Coleman, M. Bellis, Martino Margoni, T. J. Gershon, Maurizio Biasini, R. F. Schwitters, Owen Rosser Long, K. Yu Todyshev, R. Stroili, L. Sun, A. Oyanguren, span>B ar, Adrian John Bevan, F. Simonetto, S. Prell, I. Garzia, James H Cochran, A. Lusiani, C. Touramanis, C. L. Davis, X. C. Lou, R. Godang, P. C. Kim, O. Grünberg, M. Heß, M. Fritsch, R. Cenci, A. Zallo, Yu I. Skovpen, C. Hearty, Elisa Manoni, B. Echenard, D. J. Summers, D. Aston, D. Bernard, M. Bomben, R. J. Sobie, L. Vitale, F. Martinez-Vidal, Dominik Müller, span, N. Guttman, E. Luppi, M. T. Graham, Colin Jessop, R. Prepost, I. M. Peruzzi, G. Marchiori, E. A. Kravchenko, S. I. Serednyakov, G. Vasseur, K. T. Flood, F. Bianchi, J. A. Ernst, Douglas Wright, S. Dittrich, E. Gabathuler, F. C. Porter, E. Grauges, L. Zani, D. E. Hutchcroft, T. Leddig, W. Gradl, Mario Giorgi, R. Faccini, M. Chrzaszcz, M. R. Convery, C. Voß, F. Ferrarotto, A. J. Lankford, F. Le Diberder, A. M. Eisner, L. Lanceri, B. N. Ratcliff, Sw. Banerjee, Biplab Dey, G. Simi, Hamad Ahmed, D. Bettoni, N. Arnaud, A. Calcaterra, C. Cartaro, G. Finocchiaro, C. Patrignani, V. Tisserand, A. G. Denig, S. Bettarini, F. F. Wilson, B. Oberhof, G. A. Cowan, C. H. Chen, S. M. Spanier, G. Wormser, Y. Li, M. Verderi, T. Schroeder, U. Mallik, N. Neri, L. M. Cremaldi, D. G. Hitlin, R. C. Field, and F. Forti
Subjects: Physics, Quantum chromodynamics, Semileptonic decay, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Crossing, Form factor (quantum field theory), General Physics and Astronomy, 01 natural sciences, 0103 physical sciences, High Energy Physics::Experiment, B meson, 010306 general physics
Abstract: An angular analysis of the decay B[over ¯]→D^{*}l^{-}ν[over ¯]_{l}, l∈{e,μ}, is reported using the full e^{+}e^{-} collision data set collected by the BABAR experiment at the ϒ(4S) resonance. One B meson from the ϒ(4S)→BB[over ¯] decay is fully reconstructed in a hadronic decay mode, which constrains the kinematics and provides a determination of the neutrino momentum vector. The kinematics of the semileptonic decay is described by the dilepton mass squared, q^{2}, and three angles. The first unbinned fit to the full four-dimensional decay rate in the standard model is performed in the so-called Boyd-Grinstein-Lebed approach, which employs a generic q^{2} parametrization of the underlying form factors based on crossing symmetry, analyticity, and QCD dispersion relations for the amplitudes. A fit using the more model-dependent Caprini-Lellouch-Neubert (CLN) approach is performed as well. Our form factor shapes show deviations from previous fits based on the CLN parametrization. The latest form factors also provide an updated prediction for the branching fraction ratio R(D^{*})≡B(B[over ¯]→D^{*}τ^{-}ν[over ¯]_{τ})/B(B[over ¯]→D^{*}l^{-}ν[over ¯]_{l})=0.253±0.005. Finally, using the well-measured branching fraction for the B[over ¯]→D^{*}l^{-}ν[over ¯]_{l} decay, a value of |V_{cb}|=(38.36±0.90)×10^{-3} is obtained that is consistent with the current world average for exclusive B[over ¯]→D^{(*)}l^{-}ν[over ¯]_{l} decays and remains in tension with the determination from inclusive semileptonic B decays to final states with charm.
Published: 2019

19. Observation of the Decay D0→K−π+e+e−

Author: C. Bünger, Stephen Sekula, A. Oyanguren, A. Jawahery, C. Bozzi, J. Chauveau, F. De Mori, K. Honscheid, E. A. Kozyrev, N. Tasneem, Heiko Lacker, Aidan Randle-Conde, R. J. Barlow, G. R. Bonneaud, R. Cenci, C. Touramanis, A. Zallo, Florian Urs Bernlochner, G. Cibinetto, B. Bhuyan, F. Palombo, T. Lueck, B. G. Fulsom, E. P. Solodov, T. S. Miyashita, S. Bettarini, S. Prell, O. Grünberg, D. W. G. S. Leith, Maurizio Biasini, M. Posocco, G. Calderini, James H Cochran, J. L. Ritchie, I. M. Peruzzi, R. Gorodeisky, D. A. Roberts, S. I. Serednyakov, A. G. Denig, K. R. Schubert, Owen Rosser Long, H. A. Neal, G. Casarosa, A. M. Rossi, F. Bianchi, A. Lusiani, V. P. Druzhinin, V. Poireau, T. S. Mattison, V. B. Golubev, G. Wormser, J. A. Ernst, W. Gradl, A. Palano, T. Schroeder, A. Hafner, Joseph Izen, L. Lanceri, S. Emery, R. Y. So, M. Bellis, S. Dittrich, C. Hearty, P. Ongmongkolkul, C. Hast, D. J. Lange, G. Piredda, W. J. Wisniewski, E. M. T. Puccio, A. R. Buzykaev, M. S. Alam, M. T. Graham, Eleonora Luppi, M. Piccolo, A. P. Onuchin, A. Beaulieu, S. Martellotti, M. Carpinelli, L. M. Cremaldi, J. M. Roney, L. Sun, T. J. Gershon, B. Echenard, James R. Wilson, G. Batignani, Z. C. Huard, W. Panduro Vazquez, G. J. King, S. Luitz, D. Bernard, P. C. Kim, M. V. Purohit, D. J. Summers, P. Patteri, D. G. Hitlin, W. R. Innes, R. F. Schwitters, J. Va’vra, E. A. Kravchenko, J. Albert, A. Filippi, Elisa Manoni, Colin Jessop, R. Prepost, D. Aston, J. G. Smith, R. C. Field, E. Ben-Haim, Adrian John Bevan, F. Forti, W. S. Lockman, Crisostomo Sciacca, F. Anulli, W. Dunwoodie, R. Cowan, J. Dorfan, J. J. Walsh, Y. Li, A. M. Eisner, I. M. Nugent, Alessandro Gaz, A. Calcaterra, i> ar, B. G. Pushpawela, Tim Adye, R. Sacco, D. N. Brown, A. M. Lutz, R. D. Kass, M. Bomben, R. J. Sobie, G. Finocchiaro, Sw. Banerjee, C. H. Cheng, T. E. Latham, S. H. Robertson, L. Vitale, F. Di Lodovico, G. Eigen, R. de Sangro, S. Passaggio, S. L. Wu, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Martinez-Vidal, C. Cartaro, Dominik Müller, J. P. Lees, D. J. Payne, Herbert Koch, F. Le Diberder, G. D. Lafferty, N. Arnaud, R. Kowalewski, M. Rotondo, F. F. Wilson, M. R. Convery, A. J.S. Smith, Yu. I. Skovpen, G. De Nardo, Abner Soffer, D. S. Chao, B. Oberhof, M. Röhrken, Simon Akar, Yu G. Kolomensky, K. Griessinger, K. Yu. Todyshev, B. N. Ratcliff, M. Davier, V. Santoro, B. T. Meadows, G. Vasseur, A. Roodman, G. A. Cowan, Douglas Wright, K. T. Flood, G. Raven, R. Godang, R. M. Seddon, M. D. Sokoloff, E. Fioravanti, L. Zani, P. R. Burchat, E. Paoloni, R. Stroili, Roland Waldi, P. Taras, Alessandro Pilloni, F. Ferroni, D. R. Peimer, Roberto Calabrese, D. B. MacFarlane, D. Gamba, M. Rama, Paul Fraser Harrison, J. A. McKenna, Ju-Young Kim, Stephen Robert Wagner, Hamad Ahmed, J. Ocariz, M. K. Sullivan, N. Guttman, M. Heß, J. W. Gary, J. P. Coleman, E. Grauges, Mario Giorgi, R. Cheaib, G. Marchiori, E. Gabathuler, F. C. Porter, span> B, F. Simonetto, J. M. LoSecco, B. Dey, C. H. Chen, X. C. Lou, S. M. Spanier, Martino Margoni, M. Chrzaszcz, C. Voß, Vladimir Blinov, D. Bettoni, Andrei Gritsan, I. Garzia, D. E. Hutchcroft, C. Patrignani, G. Rizzo, V. Tisserand, T. Leddig, M. Verderi, U. Mallik, N. Neri, M. Fritsch, Gabriele Simi, C. L. Davis, and M. Ebert
Subjects: Physics, Particle physics, Annihilation, Branching fraction, 0103 physical sciences, General Physics and Astronomy, Resonance, Invariant mass, 010306 general physics, 01 natural sciences, Energy (signal processing), Standard Model
Abstract: We report the observation of the rare charm decay D^{0}→K^{-}π^{+}e^{+}e^{-}, based on 468 fb^{-1} of e^{+}e^{-} annihilation data collected at or close to the center-of-mass energy of the ϒ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. We find the branching fraction in the invariant mass range 0.675
Published: 2019

20. Biogenic Amines in Traditional Fiore Sardo PDO Sheep Cheese: Assessment, Validation and Application of an RP-HPLC-DAD-UV Method

Author: Claudia Zazzu, Maria Francesca Scintu, Gavino Sanna, Margherita Addis, G. Piredda, and Marco Caredda
Subjects: analytical_chemistry, Tryptamine, Cadaverine, 010401 analytical chemistry, Rp hplc dad, Filtration and Separation, biogenic amines, 04 agricultural and veterinary sciences, Tyramine, 040401 food science, 01 natural sciences, lcsh:QC1-999, 0104 chemical sciences, Analytical Chemistry, lcsh:Chemistry, chemistry.chemical_compound, 0404 agricultural biotechnology, chemistry, lcsh:QD1-999, Fiore Sardo PDO, RP-HPLC, Putrescine, Food science, sheep’s cheese, lcsh:Physics
Abstract: This contribution aimed to measure for the first time the amount of biogenic amines (BAs) in one of the most ancient and traditional sheep cheese produced in Sardinia, Italy: the Protected Designation of Origin (PDO) Fiore Sardo. To achieve this, an original RP-HPLC-DAD-UV method has been developed that was completely validated in terms of LoD, LoQ, linearity, precision and trueness, and tested on 36 real Fiore Sardo PDO cheese samples produced by four different cheesemakers and marketed by four stores. The average total concentration of the eight BAs (i.e., tyramine, tryptamine, histidine, putrescine, cadaverine, 2-phenylethylamine, spermine and spermidine) measured in Fiore Sardo cheese was 700 mg/kg, with a range between 170 mg/kg and 1,100 mg/kg. A great variability in the total amount of BAs has been evidenced among the Fiore Sardo marketed in the four stores as well as for the cheeses purchased in different times in the same store. Tyramine (350 mg/kg), putrescine (150 mg/kg), histamine (80 mg/kg) and cadaverine (30 mg/kg) are the most abundant BAs found in this matrix. Among the many factors concurring, the dominant microflora of Fiore Sardo PDO is likely the principal cause of the qualitative and quantitative distribution of BAs in this matrix. Finally, the total amount of BAs found in Fiore Sardo PDO is not able to cause any health alert situation for consumers.
Published: 2019

21. Biogenic Amines in Traditional Fiore Sardo PDO Sheep Cheese: Assessment, Validation and Application of a RP-HPLC-DAD-UV Method

Author: Margherita Addis, Gavino Sanna, G. Piredda, Claudia Zazzu, Maria Francesca Scintu, and Marco Caredda
Subjects: Chromatography, Chemistry, Rp hplc dad
Abstract: This contribution is aimed to measure for the first time the amount of biogenic amines (BAs) in one of the most ancient and traditional sheep cheese produced in Sardinia, Italy: the Protected Designation of Origin (PDO) Fiore Sardo. For doing this, an original RP-HPLC-DAD-UV method has been developed, completely validated in terms of LoD, LoQ, linearity, precision and trueness, and tested on 36 real Fiore Sardo PDO cheese samples produced by four different cheesemakers and marketed by four stores. The average total concentration of the eight BAs (i.e. tyramine, tryptamine, histidine, putrescine, cadaverine, 2-phenylethylamine, spermine and spermidine) measured in Fiore Sardo cheese was 700 mg/kg, with a range between 170 mg/kg and 1100 mg/kg. A great variability in the total amount of BAs has been evidenced among the Fiore Sardo marketed in the four stores as well as for the cheeses purchased in different times in the same store. Tyramine (350 mg/kg), putrescine (150 mg/kg), histamine (80 mg/kg) and cadaverine (30 mg/kg) are the most abundant BAs found in this matrix. Among many factors concurring, the dominant microflora of Fiore Sardo PDO is likely the principal cause of the qualitative and quantitative distribution of BAs in this matrix. Finally, the total amount of BAs found in Fiore Sardo PDO is not able to cause any situation of health alert for consumers.
Published: 2019

22. Search for a Stable Six-Quark State at BABAR

Author: J. Chauveau, F. De Mori, Heiko Lacker, J. L. Ritchie, Yu. I. Skovpen, S. I. Serednyakov, S. Bettarini, G. Finocchiaro, R. Y. So, K. R. Schubert, J. Dorfan, F. F. Wilson, R. Gorodeisky, D. A. Roberts, Roberto Calabrese, B. Oberhof, B. Bhuyan, K. Yu. Todyshev, P. Taras, A. Hafner, Giulia Casarosa, G. Wormser, V. B. Golubev, E. M. T. Puccio, J. Ocariz, J. W. Gary, D. B. MacFarlane, G. Rizzo, M. Rama, E. Grauges, Stefan Spanier, S. Prell, James H Cochran, N. Tasneem, Mario Giorgi, R. F. Schwitters, A. Lusiani, H. A. Neal, A. Calcaterra, R. Cheaib, W. R. Innes, A. Palano, V. P. Druzhinin, Randall Sobie, T. Schroeder, C. H. Cheng, Maurizio Biasini, D. Bettoni, C. Cartaro, Aidan Randle-Conde, Abner Soffer, R. Cenci, I. M. Peruzzi, B. Echenard, G. R. Bonneaud, Tim Adye, David Hutchcroft, J. M. LoSecco, D. Bernard, P. C. Kim, A. Zallo, R. de Sangro, B. Dey, R. D. Kass, Owen Rosser Long, S. L. Wu, S. Luitz, P. Patteri, J. J. Walsh, J. Va’vra, W. J. Wisniewski, R. Stroili, A. G. Denig, J. P. Lees, R. Godang, M. T. Graham, Eleonora Luppi, G. J. King, D. N. Brown, I. Garzia, A. R. Buzykaev, M. S. Alam, A. P. Onuchin, L. Sun, R. Sacco, David Lange, W. Dunwoodie, Y. Li, C. Patrignani, B. G. Fulsom, V. Tisserand, J. A. McKenna, Adrian John Bevan, A. Beaulieu, B. G. Pushpawela, Andrei Gritsan, A. M. Lutz, E. Paoloni, N. Arnaud, Colin Jessop, R. Prepost, G. D. Lafferty, Douglas Wright, V. Santoro, L. Zani, R. Kowalewski, L. M. Cremaldi, J. A. Ernst, W. Gradl, S. Passaggio, L. Lanceri, M. R. Convery, C. Bünger, Florian Urs Bernlochner, James R. Wilson, F. Palombo, T. Lueck, A. J.S. Smith, E. Gabathuler, A. Jawahery, F. C. Porter, M. Heß, Martino Margoni, Simon Akar, D. G. Hitlin, G. Cibinetto, G. Vasseur, K. T. Flood, E. A. Kozyrev, A. Filippi, Alessandro Pilloni, D. R. Peimer, B. N. Ratcliff, Hamad Ahmed, B. T. Meadows, G. Raven, M. V. Purohit, R. C. Field, F. Forti, M. Chrzaszcz, M. D. Sokoloff, Nicola Neri, P. R. Burchat, R. Cowan, C. Voß, J. Albert, G. Eigen, D. W. G. S. Leith, A. M. Eisner, M. Ebert, Stephen Sekula, F. Bianchi, D. Gamba, E. P. Solodov, T. S. Miyashita, S. Dittrich, G. Calderini, C. Bozzi, K. Honscheid, C. Hearty, R. J. Barlow, M. Posocco, Sw. Banerjee, S. Emery, N. Guttman, G. De Nardo, D. J. Summers, M. Bellis, G. Marchiori, M. Bomben, L. Vitale, F. Ferrarotto, A. J. Lankford, F. Le Diberder, F. Martinez-Vidal, Dominik Müller, M. Fritsch, span, G. A. Cowan, J. M. Roney, X. C. Lou, Gabriele Simi, J. G. Smith, C. L. Davis, F. Di Lodovico, D. J. Payne, Riccardo Faccini, A. Roodman, R. M. Seddon, E. Fioravanti, Roland Waldi, F. Ferroni, M. Rotondo, M. Röhrken, Paul Fraser Harrison, V. Poireau, Ju-Young Kim, M. Piccolo, G. Batignani, E. Ben-Haim, Stephen Robert Wagner, M. K. Sullivan, A. M. Rossi, Joseph Izen, S. Martellotti, M. Carpinelli, I. M. Nugent, D. S. Chao, M. Davier, Z. C. Huard, W. Panduro Vazquez, W. S. Lockman, J. P. Coleman, F. Anulli, Alessandro Gaz, S. H. Robertson, Herbert Koch, K. Griessinger, A. Oyanguren, span>B ar, C. Touramanis, T. Leddig, O. Grünberg, Elisa Manoni, D. Aston, M. Verderi, T. E. Latham, T. S. Mattison, C. Hast, G. Piredda, U. Mallik, T. J. Gershon, F. Simonetto, Yu G. Kolomensky, E. A. Kravchenko, C. H. Chen, Vladimir Blinov, Crisostomo Sciacca, P. Ongmongkolkul, Ministerio de Ciencia e Innovación (España), Lees, J, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Brown, D, Kolomensky, Y, Fritsch, M, Koch, H, Schroeder, T, Hearty, C, Mattison, T, Mckenna, J, So, R, Blinov, V, Buzykaev, A, Druzhinin, V, Golubev, V, Kozyrev, E, Kravchenko, E, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Todyshev, K, Lankford, A, Gary, J, Long, O, Eisner, A, Lockman, W, Panduro Vazquez, W, Chao, D, Cheng, C, Echenard, B, Flood, K, Hitlin, D, Kim, J, Li, Y, Miyashita, T, Ongmongkolkul, P, Porter, F, Rohrken, M, Huard, Z, Meadows, B, Pushpawela, B, Sokoloff, M, Sun, L, Smith, J, Wagner, S, 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, I, Piccolo, M, Rotondo, M, Zallo, A, Passaggio, S, Patrignani, C, Lacker, H, Bhuyan, B, Mallik, U, Chen, C, Cochran, J, Prell, S, Gritsan, A, Arnaud, N, Davier, M, Le Diberder, F, Lutz, A, Wormser, G, Lange, D, Wright, D, Coleman, J, Gabathuler, E, Hutchcroft, D, Payne, D, Touramanis, C, Bevan, A, Di Lodovico, F, Sacco, R, Cowan, G, Banerjee, S, Davis, C, Denig, A, Gradl, W, Griessinger, K, Hafner, A, Schubert, K, Barlow, R, Lafferty, G, Cenci, R, Jawahery, A, Roberts, D, Cowan, R, Robertson, S, Seddon, R, Dey, B, Neri, N, Palombo, F, Cheaib, R, Cremaldi, L, Godang, R, Summers, D, Taras, P, De Nardo, G, Sciacca, C, Raven, G, Jessop, C, Losecco, J, Honscheid, K, Kass, R, Gaz, A, Margoni, M, Posocco, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben-Haim, E, Bomben, M, Bonneaud, G, 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, M, Lusiani, A, Oberhof, B, Paoloni, E, Rama, M, Rizzo, G, Walsh, J, Zani, L, Smith, A, Anulli, F, Faccini, R, Ferrarotto, F, Ferroni, F, Pilloni, A, Piredda, G, Bunger, C, Dittrich, S, Grunberg, O, Hess, M, Leddig, T, Voss, C, Waldi, R, Adye, T, Wilson, F, Emery, S, Vasseur, G, Aston, D, Cartaro, C, Convery, M, Dorfan, J, Dunwoodie, W, Ebert, M, Field, R, Fulsom, B, Graham, M, Hast, C, Innes, W, Kim, P, Leith, D, Luitz, S, Macfarlane, D, Muller, D, Neal, H, Ratcliff, B, Roodman, A, Sullivan, M, Va'Vra, J, Wisniewski, W, Purohit, M, Wilson, J, Randle-Conde, A, Sekula, S, Ahmed, H, Bellis, M, Burchat, P, Puccio, E, Alam, M, Ernst, J, Gorodeisky, R, Guttman, N, Peimer, D, Soffer, A, Spanier, S, Ritchie, J, Schwitters, R, Izen, J, Lou, X, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Lanceri, L, Vitale, L, Martinez-Vidal, F, Oyanguren, A, Albert, J, Beaulieu, A, Bernlochner, F, King, G, Kowalewski, R, Lueck, T, Nugent, I, Roney, J, Sobie, R, Tasneem, N, Gershon, T, Harrison, P, Latham, T, Prepost, R, Wu, S, Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Kolomensky, Yu. G., Fritsch, M., Koch, H., Schroeder, T., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kozyrev, E. A., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Y. I., Solodov, E. P., Todyshev, K. Y., Lankford, A. J., Gary, J. W., Long, O., Eisner, A. M., Lockman, W. S., Panduro Vazquez, W., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Kim, J., Li, Y., Miyashita, T. S., Ongmongkolkul, P., Porter, F. C., Rohrken, M., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Smith, J. G., Wagner, S. R., 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, I. M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Lacker, H. M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A. M., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, S., Davis, C. L., Denig, A. G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Cenci, R., Jawahery, A., Roberts, D. A., Cowan, R., Robertson, S. H., Seddon, R. M., Dey, B., Neri, N., Palombo, F., Cheaib, R., Cremaldi, L., Godang, R., Summers, D. J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., 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, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J. J., Zani, L., Smith, A. J. S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., Bunger, C., Dittrich, S., Grunberg, O., Hess, M., Leddig, T., Voss, C., Waldi, R., Adye, T., Wilson, F. F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M. R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Leith, D. W. G. S., Luitz, S., Macfarlane, D. B., Muller, D. R., Neal, H., Ratcliff, B. N., Roodman, A., Sullivan, M. K., Va'Vra, J., Wisniewski, W. J., Purohit, M. V., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Ahmed, H., Bellis, M., Burchat, P. R., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Schwitters, R. F., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F. U., King, G. J., Kowalewski, R., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Prepost, R., Wu, S. L., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BaBar, Lees J.P., Poireau V., Tisserand V., Grauges E., Palano A., Eigen G., Brown D.N., Kolomensky Yu.G., Fritsch M., Koch H., Schroeder T., Hearty C., Mattison T.S., McKenna J.A., So R.Y., Blinov V.E., Buzykaev A.R., Druzhinin V.P., Golubev V.B., Kozyrev E.A., Kravchenko E.A., Onuchin A.P., Serednyakov S.I., Skovpen Y.I., Solodov E.P., Todyshev K.Y., Lankford A.J., Gary J.W., Long O., Eisner A.M., Lockman W.S., Panduro Vazquez W., Chao D.S., Cheng C.H., Echenard B., Flood K.T., Hitlin D.G., Kim J., Li Y., Miyashita T.S., Ongmongkolkul P., Porter F.C., Rohrken M., Huard Z., Meadows B.T., Pushpawela B.G., Sokoloff M.D., Sun L., Smith J.G., Wagner S.R., 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 I.M., Piccolo M., Rotondo M., Zallo A., Passaggio S., Patrignani C., Lacker H.M., Bhuyan B., Mallik U., Chen C., Cochran J., Prell S., Gritsan A.V., Arnaud N., Davier M., Le Diberder F., Lutz A.M., Wormser G., Lange D.J., Wright D.M., Coleman J.P., Gabathuler E., Hutchcroft D.E., Payne D.J., Touramanis C., Bevan A.J., Di Lodovico F., Sacco R., Cowan G., Banerjee S., Davis C.L., Denig A.G., Gradl W., Griessinger K., Hafner A., Schubert K.R., Barlow R.J., Lafferty G.D., Cenci R., Jawahery A., Roberts D.A., Cowan R., Robertson S.H., Seddon R.M., Dey B., Neri N., Palombo F., Cheaib R., Cremaldi L., Godang R., Summers D.J., Taras P., De Nardo G., Sciacca C., Raven G., Jessop C.P., Losecco J.M., Honscheid K., Kass R., Gaz A., Margoni M., Posocco M., Simi G., Simonetto F., Stroili R., Akar S., Ben-Haim E., Bomben M., Bonneaud G.R., 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 M.A., Lusiani A., Oberhof B., Paoloni E., Rama M., Rizzo G., Walsh J.J., Zani L., Smith A.J.S., Anulli F., Faccini R., Ferrarotto F., Ferroni F., Pilloni A., Piredda G., Bunger C., Dittrich S., Grunberg O., Hess M., Leddig T., Voss C., Waldi R., Adye T., Wilson F.F., Emery S., Vasseur G., Aston D., Cartaro C., Convery M.R., Dorfan J., Dunwoodie W., Ebert M., Field R.C., Fulsom B.G., Graham M.T., Hast C., Innes W.R., Kim P., Leith D.W.G.S., Luitz S., Macfarlane D.B., Muller D.R., Neal H., Ratcliff B.N., Roodman A., Sullivan M.K., Va'Vra J., Wisniewski W.J., Purohit M.V., Wilson J.R., Randle-Conde A., Sekula S.J., Ahmed H., Bellis M., Burchat P.R., Puccio E.M.T., Alam M.S., Ernst J.A., Gorodeisky R., Guttman N., Peimer D.R., Soffer A., Spanier S.M., Ritchie J.L., Schwitters R.F., Izen J.M., Lou X.C., Bianchi F., De Mori F., Filippi A., Gamba D., Lanceri L., Vitale L., Martinez-Vidal F., Oyanguren A., Albert J., Beaulieu A., Bernlochner F.U., King G.J., Kowalewski R., Lueck T., Nugent I.M., Roney J.M., Sobie R.J., Tasneem N., Gershon T.J., Harrison P.F., Latham T.E., Prepost R., Wu S.L., Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Skovpen, Yu. I., Todyshev, K. Yu., Röhrken, M., de Sangro, R., Banerjee, Sw., Bünger, C., Grünberg, O., Heß, M., Voß, C., Va’Vra, J., Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPhP), Massachusetts Institute of Technology. Laboratory for Nuclear Science, and Cowan, Ray F
Subjects: Kjerne- og elementærpartikkelfysikk: 431 [VDP], branching ratio: upper limit, Electron–positron annihilation, Bound state, General Physics and Astronomy, BaBar experiment, Quarks, Upsilon(10355): rare decay, Upsilon(10355): electroproduction, Upsilon(10020): branching ratio, particle: exotic, upsilon mesons: hadronic decay, 01 natural sciences, decay, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Upsilon(10020): electroproduction, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Physic, QC, QB, Exotic particles, Physics, new physics: search for, Settore FIS/01 - Fisica Sperimentale, electron positron: colliding beams, detector, limits, decay, Nuclear and elementary particle physics: 431 [VDP], Particles, Dark matter (Astronomy), Confidence level, baryon: dark matter, Upsilon(10020): rare decay, Branching fraction, Matèria fosca (Astronomia), Quark, Particle physics, Dark matter, FOS: Physical sciences, Lambda: pair production, electron positron: annihilation, Partícules (Matèria), NO, Physics and Astronomy (all), BABAR experiment, 0103 physical sciences, Atomic physic, Upsilon(10355): branching ratio, 010306 general physics, detector, dark matter: mass, State (functional analysis), stability, SLAC PEP Stor, HEP, A-stable, BaBar, Elementary Particles and Fields, High Energy Physics::Experiment, limits, experimental results
Abstract: Recent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate. We report the first search for a stable, doubly strange six-quark state in Upsilon -> S anti-Lambda anti-Lambda decays based on a sample of 90 million Upsilon(2S) and 110 million Upsilon(3S) decays collected by the BABAR experiment. No signal is observed, and 90% confidence level limits on the combined Upsilon(2S,3S) -> S anti-Lambda anti-Lambda branching fraction in the range (1.2-1.4)x10^-7 are derived for m_S < 2.05 GeV. These bounds set stringent limits on the existence of such exotic particles., 7 pages, 4 figures, published version
Published: 2019

23. Study of the reactions e+e−→π+π−π0π0π0 and π+π−π0π0η at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Author: J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, D. N. Brown, Yu. G. Kolomensky, M. Fritsch, H. Koch, T. Schroeder, R. Cheaib, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kozyrev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, A. J. Lankford, B. Dey, J. W. Gary, O. Long, A. M. Eisner, W. S. Lockman, W. Panduro Vazquez, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, J. Kim, Y. Li, D. X. Lin, S. Middleton, T. S. Miyashita, P. Ongmongkolkul, J. Oyang, F. C. Porter, M. Röhrken, Z. Huard, B. T. Meadows, B. G. Pushpawela, M. D. Sokoloff, L. Sun, J. G. Smith, S. R. Wagner, D. Bernard, M. Verderi, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, V. Santoro, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rotondo, A. Zallo, S. Passaggio, C. Patrignani, B. J. Shuve, H. M. Lacker, B. Bhuyan, U. Mallik, C. Chen, J. Cochran, S. Prell, A. V. Gritsan, N. Arnaud, M. Davier, F. Le Diberder, A. M. Lutz, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, Sw. Banerjee, C. L. Davis, A. G. Denig, W. Gradl, K. Griessinger, A. Hafner, K. R. Schubert, R. J. Barlow, G. D. Lafferty, R. Cenci, A. Jawahery, D. A. Roberts, R. Cowan, S. H. Robertson, R. M. Seddon, N. Neri, F. Palombo, L. Cremaldi, R. Godang, D. J. Summers, P. Taras, G. De Nardo, C. Sciacca, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, A. Gaz, M. Margoni, M. Posocco, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G. R. Bonneaud, G. Calderini, J. Chauveau, G. Marchiori, J. Ocariz, M. Biasini, E. Manoni, A. Rossi, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, M. Chrzaszcz, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, M. Rama, G. Rizzo, J. J. Walsh, L. Zani, A. J. S. Smith, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, A. Pilloni, G. Piredda, C. Bünger, S. Dittrich, O. Grünberg, M. Heß, T. Leddig, C. Voß, R. Waldi, T. Adye, F. F. Wilson, S. Emery, G. Vasseur, D. Aston, C. Cartaro, M. R. Convery, J. Dorfan, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, M. T. Graham, C. Hast, W. R. Innes, P. Kim, D. W. G. S. Leith, S. Luitz, D. B. MacFarlane, D. R. Muller, H. Neal, B. N. Ratcliff, A. Roodman, M. K. Sullivan, J. Va’vra, W. J. Wisniewski, M. V. Purohit, J. R. Wilson, A. Randle-Conde, S. J. Sekula, H. Ahmed, N. Tasneem, M. Bellis, P. R. Burchat, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, R. F. Schwitters, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, J. Albert, A. Beaulieu, F. U. Bernlochner, G. J. King, R. Kowalewski, T. Lueck, C. Miller, I. M. Nugent, J. M. Roney, R. J. Sobie, T. J. Gershon, P. F. Harrison, T. E. Latham, R. Prepost, and S. L. Wu
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, 7. Clean energy, 01 natural sciences, Omega, 0103 physical sciences, Mass spectrum, Pi, Intermediate state, Invariant mass, 010306 general physics
Abstract: We study the processes $e^+e^-\to 2(\pi^+\pi^-)\pi^0\pi^0\pi^0\gamma$ and $2(\pi^+\pi^-)\pi^0\pi^0\eta\gamma$ in which an energetic photon is radiated from the initial state. The data were collected with the \babar~ detector at SLAC. About 14\,000 and 4700 events, respectively, are selected from a data sample corresponding to an integrated luminosity of 469 fb^{-1}. The invariant mass of the hadronic final state defines the effective \epem center-of-mass energy. The center-of-mass energies range from threshold to 4.5 GeV. From the mass spectra, the first ever measurements of the $e^+e^-\to 2(\pi^+\pi^-)\pi^0\pi^0\pi^0$ and the $e^+e^-\to2(\pi^+\pi^-)\pi^0\pi^0\eta$ cross sections are performed. The contributions from $\omega\pi^+\pi^-\pi^0\pi^0$, $\eta2(\pi^+\pi^-)$, and other intermediate states are presented. We observe the $J/\psi$ and $\psi(2S)$ in most of these final states and measure the corresponding branching fractions, many of them for the first time.
Published: 2018

24. First Evidence for cos2β>0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity

Author: V. B. Golubev, K. Chilikin, L. Zani, J. R. Wilson, Iki Adachi, T. S. Miyashita, Doo Young Kim, A. Palano, S. Emery, M. Feindt, J. B. Kim, K. Griessinger, D. Epifanov, A. Hafner, W. R. Innes, David Hutchcroft, O. Long, R. Cenci, Brian Meadows, J. M. Izen, M. Bellis, Eleonora Guido, H. Neal, K. Inami, H. Ye, R. Kass, S. Martellotti, D. W G S Leith, G. Schnell, E. Won, R. Pestotnik, S. Nishida, A. Calcaterra, J. P. Coleman, J. A. McKenna, T. E. Browder, J. Ocariz, M. T. Graham, F. Ferroni, R. J. Sobie, A. Roodman, S. Pardi, J. L. Ritchie, Noritaka Shimizu, Vikas Bansal, Eleonora Luppi, A. Beaulieu, Tara Nanut, T. Uglov, A. V. Gritsan, G. Wormser, A. G. Denig, Vitaly Vorobyev, B. N. Ratcliff, R. Y. So, T. Kuhr, S. R. Wagner, G. De Nardo, H. M. Lacker, M. Starič, D. Liventsev, E. Nakano, Z. Drásal, V. Savinov, D. J. Summers, C. H. Cheng, H. Ono, D. A. Roberts, S. Al Said, T. Matsuda, A. J S Smith, D. S. Chao, Vladimir Zhulanov, R. Kroeger, E. Ben-Haim, M. E. Sevior, I. S. Lee, S. J. Sekula, C. Bozzi, R. Mizuk, M. Piccolo, F. Di Lodovico, S. Uno, R. Kulasiri, T. Schroeder, A. J. Lankford, S. Sandilya, R. Godang, P. Goldenzweig, P. Pakhlov, N. Tasneem, J. Albert, G.V. Russo, J. Cochran, Yu. G. Kolomensky, H. Hayashii, J. Libby, C. Van Hulse, T. A. Shibata, Z. C. Huard, U. Tamponi, S. Passaggio, H. Miyata, B. Pal, Y. B. Li, Marcin Chrzaszcz, F. Le Diberder, Michael Sokoloff, Ray Franklin Cowan, P. C. Kim, F. U. Bernlochner, P. Patteri, Prafulla Kumar Behera, W. S. Hou, I. M. Peruzzi, B. Oberhof, F. Simonetto, J. G. Shiu, G. J. King, V. Babu, K. T. Kim, J. K. Ahn, A. Soffer, M. Z. Wang, K. Kinoshita, B. Bhuyan, N. Guttman, H. Park, A. Bozek, S. H. Kim, J. Dorfan, M. Gelb, H. Koch, Vladimir Popov, A. Zallo, S. Jia, D. N. Brown, R. Stroili, R. Ayad, K. Cho, C. Hearty, M. Iwasaki, P. K. Resmi, Marcello Rotondo, B. G. Cheon, James E. Fast, A. Kuzmin, M. Ebert, T. K. Pedlar, T. Kumita, K. Yu. Todyshevx, F. Forti, Y. Choi, K. J. Nath, E. A. Kravchenko, L. Santelj, K. H. Kang, T. Leddig, Shih-Chang Lee, D. Matvienko, C. Voß, M. Bomben, J. Haba, Dominik Müller, X. C. Lou, C. Chen, G. Finocchiaro, C. Z. Yuan, Y. Jin, A. J. Schwartz, C. H. Wang, Alberto Lusiani, Semen Eidelman, E. Grauges, L. Vitale, S. Ogawa, A. Rossi, Y. Watanabe, J. P. Lees, A. Filippi, S. E. Vahsen, G. A. Cowan, C. Bünger, C. Sciacca, R. C. Field, Gabriele Simi, G. Eigen, R. Gorodeisky, F. Martinez-Vidal, J. J. Walsh, C. Schwanda, R. Itoh, H. Ahmed, D. Cinabro, Tao Luo, F. Tenchini, Th. Müller, G. Rizzo, Y. Sakai, D. Bernard, J. Chauveau, S. I. Serednyakov, F. Palombo, S. Korpar, E. Gabathuler, T. Ferber, Tagir Aushev, C. Cartaro, Y. Onuki, A. Jawahery, M. Nayak, G. Cibinetto, M. K. Sullivan, M. Margoni, Y. Guan, A. Oyanguren, E. Waheed, R. M. Seddon, Nicola Neri, J. W. Gary, V. Gaur, W. Panduro Vazquez, Y. Iwasaki, C. Touramanis, S. Luitz, K. R. Schubert, P. Taras, S. Hirose, D. J. Payne, E. Fioravanti, Y. Li, Y. J. Kwon, V.N. Zhilich, F. Ferrarotto, E. M. T. Puccio, G. B. Mohanty, P. L. Wang, B. Golob, T. Lueck, Roland Waldi, Biplab Dey, Peter Kodys, Fergus Wilson, M. A. Giorgi, E. Paoloni, A. Zupanc, F. De Mori, A. B. Kaliyar, P. F. Harrison, H. Kichimi, D. G. Hitlin, H. K. Moon, M. R. Convery, A. Chen, F. Bianchi, G. Piredda, O. Schneider, U. Mallik, R. Cheaib, Y. Yusa, Bingran Wang, M. Röhrken, K. Senyo, J. S. Lange, V. Santoro, W. J. Wisniewski, C. Hast, W. W. Jacobs, A. M. Eisner, I. M. Nugent, M. T. Hedges, M. Carpinelli, K. Miyabayashi, I. Badhrees, M. Posocco, B. G. Fulsom, R. F. Schwitters, G. Varner, R. Mussa, A. M. Lutz, K. T. Flood, G. Casarosa, Simon Akar, M. Takizawa, Pavel Krokovny, R. Calabrese, V. E. Blinov, A. R. Buzykaev, A. Ishikawa, G. Vasseur, Roger Barlow, Ju-Young Kim, Miriam Heß, Y. Seino, S. Bettarini, R. de Sangro, M. Nakao, M. Biasini, P. Križan, G. Raven, Alexander Bondar, D. Gamba, R. Sacco, L. Cremaldi, Yu. I. Skovpen, C. P. Shen, K. Honscheid, G. Calderini, Elisa Manoni, R. Kowalewski, N. Arnaud, V.E. Shebalin, M. Heck, L. K. Li, M. V. Purohit, S. Di Carlo, D. M. Asner, K. Hayasaka, Sw. Banerjee, Soumen Paul, M. Uchida, G. Pakhlova, P. R. Burchat, G. Karyan, V. Bhardwaj, C. L. Hsu, J. A. Ernst, S. L. Wu, P. Ongmongkolkul, H. Atmacan, D. B. Macfarlane, Alessandro Pilloni, K. K. Joo, S. Dittrich, D. R. Peimer, Kiyoshi Tanida, Timothy Gershon, D. Aston, L. Li Gioi, A. Garmash, F. Anulli, Z. Doležal, J. M. Roney, Yoshinobu Unno, S. Zakharov, M. Lubej, G. Inguglia, V. Zhukova, M. Merola, A. K. Giri, K. Sumisawa, S. M. Spanier, G. Batignani, M. Masuda, C. L. Davis, M. Fritsch, A. P. Onuchin, L. Sun, Adrian John Bevan, Somnath Choudhury, Leo Piilonen, O. Seon, Frank Simon, D. J. Lange, Matteo Rama, James G. Smith, V. P. Druzhinin, D. M. Wright, M. S. Alam, E. Solovieva, R. Prepost, N. Dash, M. Rozanska, D. Kotchetkov, T. Adye, A. Randle-Conde, T. Julius, M. Verderi, R. Faccini, V. Poireau, T. Sumiyoshi, J. M. Losecco, G. Marchiori, F. C. Porter, Martin Ritter, T. Sanuki, S. Cunliffe, J. Va'Vra, W. S. Lockman, M. Salehi, H. Aihara, George Lafferty, C. P. Jessop, T. Hara, T. Mori, Oliver Grünberg, G. R. Bonneaud, N. K. Nisar, I. Pavelkin, D. Bettoni, Z. P. Zhang, S. Prell, B. G. Pushpawela, A. Gaz, S. H. Robertson, L. Lanceri, Jyoti Prakash Biswal, B. Echenard, M. Davier, J. MacNaughton, A. M. Bakich, W. Dunwoodie, D. Červenkov, Rocky Bala Garg, T. S. Mattison, W. Gradl, E. P. Solodov, I. Garzia, Thomas Latham, C. Patrignani, V. Tisserand, and M. Bračko
Subjects: Quark, Physics, Particle physics, Unitarity, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, General Physics and Astronomy, Dalitz plot, 01 natural sciences, B-factory, KEKB, 0103 physical sciences, CP violation, 010306 general physics
Abstract: We present first evidence that the cosine of the CP-violating weak phase 2β is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B^{0}→D^{(*)}h^{0} with D→K_{S}^{0}π^{+}π^{-} decays, where h^{0}∈{π^{0},η,ω} denotes a light unflavored and neutral hadron. The measurement is performed combining the final data sets of the BABAR and Belle experiments collected at the ϒ(4S) resonance 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. The results of the measurement are sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle β of the CKM Unitarity Triangle is β=[22.5±4.4(stat)±1.2(syst)±0.6(model)]°. The measurement assumes no direct CP violation in B^{0}→D^{(*)}h^{0} decays. The quoted model uncertainties are due to the composition of the D^{0}→K_{S}^{0}π^{+}π^{-} decay amplitude model, which is newly established by performing a Dalitz plot amplitude analysis using a high-statistics e^{+}e^{-}→cc[over ¯] data sample. CP violation is observed in B^{0}→D^{(*)}h^{0} decays at the level of 5.1 standard deviations. The significance for cos2β>0 is 3.7 standard deviations. The trigonometric multifold solution π/2-β=(68.1±0.7)° is excluded at the level of 7.3 standard deviations. The measurement resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle.
Published: 2018

25. Measurement of cos2β in B0→D(*)h0 with D→KS0π+π− decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Author: C. Bünger, T. Matsuda, J. W. Gary, T. S. Mattison, S. H. Kim, S. J. Sekula, A. Jawahery, P. Krokovny, M. Feindt, I. Adachi, D. B. MacFarlane, C. Hearty, P. Goldenzweig, K. H. Kang, K. Cho, S. Sandilya, A. G. Denig, R. F. Schwitters, M. Rozanska, D. Kotchetkov, E. Fioravanti, B. Golob, F. Palombo, T. Lueck, P. Pakhlov, J. B. Kim, K. Yu. Todyshevx, T. Leddig, D. Epifanov, N. K. Nisar, J. S. Lange, Z. C. Huard, V.N. Zhilich, Shih-Chang Lee, W. S. Lockman, M. R. Convery, D. N. Brown, A. Calcaterra, M. Z. Wang, K. Kinoshita, D. J. Summers, A. Filippi, H. Park, A. Bozek, Simon Akar, R. Prepost, R. Mussa, D. Gamba, M. Bellis, A. Ishikawa, F. De Mori, J. E. Fast, Cheng Chen, M. Starič, N. Tasneem, G.V. Russo, J. P. Coleman, F. Anulli, Alessandro Gaz, S. H. Robertson, Aidan Randle-Conde, W. S. Hou, G. J. King, Victoria Zhukova, F. F. Wilson, R. J. Sobie, L. Vitale, B. T. Meadows, P. Križan, G. Raven, Denis Bernard, S. Nishida, K. Miyabayashi, I. Badhrees, R. Ayad, James R. Wilson, V. Bhardwaj, R. Cowan, E. A. Kravchenko, Elisa Guido, J. L. Ritchie, Herbert Koch, T. K. Pedlar, A. P. Onuchin, A. Chen, S. Martellotti, F. Martinez-Vidal, Marco Bomben, M. D. Sokoloff, S. E. Vahsen, A. J. S. Smith, P. R. Burchat, R. Calabrese, C. Cartaro, M. Rotondo, V. Vorobyev, U. Mallik, I. Pavelkin, G. Schnell, D. Cinabro, K. Griessinger, M. Iwasaki, D. Matvienko, P. F. Harrison, G. Cibinetto, A. Oyanguren, E. Luppi, S. Emery, M. Merola, Peter S. Kim, T. S. Miyashita, N. Neri, G. Vasseur, E. Paoloni, D. Y. Kim, B. K. Pal, B. G. Cheon, K. T. Kim, L. M. Cremaldi, R. B. Garg, B. Bhuyan, A. V. Gritsan, Shigeki Hirose, K. T. Flood, A. M. Eisner, Y. Iwasaki, R. Godang, Tao Luo, K. Tanida, F. Di Lodovico, B. G. Fulsom, G. De Nardo, J. Chauveau, M. T. Hedges, A. B. Kaliyar, J. K. Ahn, Y. J. Kwon, G. Eigen, I. M. Nugent, V. E. Blinov, S. Bettarini, T. E. Browder, D. J. Payne, M. Ebert, A. J. Bevan, M. Röhrken, K. Chilikin, H. M. Lacker, Tara Nanut, T. Kuhr, T. A. Shibata, H. Miyata, T. Aushev, R. Sacco, A. J. Schwartz, E. Grauges, V. V. Zhulanov, G. Inguglia, O. Schneider, T. Uglov, V. Savinov, A. Palano, C. P. Jessop, S. M. Spanier, Alessandro Pilloni, J. Ocariz, R. Mizuk, Mario Giorgi, M. Heß, H. Kichimi, E. Won, M. K. Sullivan, Yu. G. Kolomensky, D. W. G. S. Leith, H. Atmacan, J. P. Lees, D. R. Peimer, H. Ono, D. G. Hitlin, Bingran Wang, S. Zakharov, Semen Eidelman, David Hutchcroft, L. Li Gioi, A. Zupanc, Wu S. L., K. Hayasaka, G. Calderini, E. Nakano, F. Simonetto, J. Va’vra, D. S. Chao, M. Davier, R. Cenci, R. Cheaib, R. Waldi, A. Zallo, S. Korpar, V. P. Druzhinin, C. Bozzi, G. Cowan, Noritaka Shimizu, J. M. LoSecco, M. V. Purohit, Douglas Wright, L. Zani, R. Gorodeisky, P. Patteri, M. Fritsch, D. A. Roberts, Yu. I. Skovpen, B. Dey, P. Ongmongkolkul, K. Honscheid, M. Piccolo, F. Forti, J. J. Walsh, R. Kroeger, M. E. Sevior, I. S. Lee, A. M. Lutz, R. J. Barlow, R. Stroili, M. T. Graham, A. Hafner, J. M. Roney, Z. Drásal, J. Albert, K. Senyo, E. M. T. Puccio, X. C. Lou, G. Batignani, V.E. Shebalin, Somnath Choudhury, N. Guttman, A. Kuzmin, J. G. Shiu, G. Wormser, K. K. Joo, Y. Unno, M. Posocco, J. G. Smith, S. Al Said, K. Inami, C. Z. Yuan, J. Cochran, E. Ben-Haim, C. Hast, M. Heck, D. J. Lange, G. Piredda, Hamad Ahmed, W. J. Wisniewski, G. Marchiori, S. Ogawa, G. D. Lafferty, Y. B. Li, H. A. Neal, V. Santoro, J. Libby, M. Lubej, W. Dunwoodie, A. M. Rossi, S. Passaggio, W. Panduro Vazquez, S. Uno, C. Schwanda, Tim Adye, V. B. Golubev, U. Tamponi, Y. Choi, K. J. Nath, G. Casarosa, L. Santelj, E. Waheed, R. D. Kass, A. Roodman, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, S. Jia, R. M. Seddon, J. M. Izen, Crisostomo Sciacca, D. Aston, M. Nayak, M. Uchida, F. Ferroni, A. R. Buzykaev, G. Rizzo, M. Rama, L. Lanceri, So R. Y., A. Beaulieu, Y. Seino, J. A. McKenna, C. H. Cheng, T. J. Gershon, D. Liventsev, Y. Jin, C. H. Wang, S. Paul, Martino Margoni, S. Pardi, T. Müller, K. Sumisawa, D. M. Asner, T. E. Latham, M. Carpinelli, Ju-Young Kim, Maurizio Biasini, D. R. Muller, G. S. Varner, R. de Sangro, Stephen Robert Wagner, Y. Yusa, K. R. Schubert, A. K. Giri, Tamara Vazquez Schroeder, R. Itoh, C. L. Davis, Elisa Manoni, Li L. K., I. M. Peruzzi, Owen Rosser Long, M. Masuda, C. B. Van Hulse, G. B. Mohanty, J. A. Ernst, S. I. Serednyakov, F. Bianchi, L. Sun, S. Dittrich, P. K. Resmi, M. Gelb, Pu Wang, R. Kowalewski, Peter Kodys, A. Garmash, W. W. Jacobs, V. Bansal, G. R. Bonneaud, J. Dorfan, S. Di Carlo, G. Karyan, P. K. Behera, M. Verderi, N. Arnaud, A.E. Bondar, M. Takizawa, C. Touramanis, Z. Doležal, O. Grünberg, P. Taras, E. P. Solodov, O. Seon, Frank Simon, Y. Sakai, S. Prell, I. Garzia, V. Poireau, A. Soffer, A. Lusiani, N. Dash, E. Solovieva, Li Y. B., R. C. Field, G. Finocchiaro, M. S. Alam, S. Cunliffe, B. Oberhof, L. E. Piilonen, G. Pakhlova, R. Kulasiri, T. Hara, T. Julius, W. Gradl, T. Mori, H. Aihara, B. N. Ratcliff, S. Luitz, F. Tenchini, T. Sumiyoshi, Martin Ritter, Z. P. Zhang, T. Sanuki, B. G. Pushpawela, Jyoti Prakash Biswal, D. Bettoni, V. Gaur, M. Nakao, B. Echenard, Florian Urs Bernlochner, J. MacNaughton, C. Patrignani, V. Tisserand, M. Bračko, A. M. Bakich, Sw. Banerjee, G. Simi, D. Červenkov, E. Gabathuler, W. R. Innes, F. C. Porter, M. Chrzaszcz, and C. Voß
Subjects: Physics, Particle physics, Unitarity, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Dalitz plot, 01 natural sciences, B-factory, KEKB, 0103 physical sciences, CP violation, 010306 general physics
Abstract: We report measurements of sin2β and cos2β using a time-dependent Dalitz plot analysis of B0→D(*)h0 with D→KS0π+π- decays, where the light unflavored and neutral hadron h0 is a π0, η, or ω meson. The analysis uses a combination of the final data sets of the BaBar and Belle experiments containing 471×106 and 772×106 BB¯ pairs collected at the ϒ(4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. We measure sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle is β=(22.5±4.4(stat)±1.2(syst)±0.6(model))°. The last quoted uncertainties are due to the composition of the D0→KS0π+π- decay amplitude model, which is newly established by a Dalitz plot amplitude analysis of a high-statistics e+e-→cc¯ data sample as part of this analysis. We find the first evidence for cos2β>0 at the level of 3.7 standard deviations. The measurement excludes the trigonometric multifold solution π/2-β=(68.1±0.7)° at the level of 7.3 standard deviations and therefore resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle. The hypothesis of β=0° is ruled out at the level of 5.1 standard deviations, and thus CP violation is observed in B0→D(*)h0 decays. The measurement assumes no direct CP violation in B0→D(*)h0 decays.
Published: 2018

26. Measurement of the γγ→η′ transition form factor

Author: A. J S Smith, A. Randle-Conde, R. F. Schwitters, R. Cenci, R. de Sangro, M. K. Sullivan, Z. C. Huard, Gabriele Simi, J. R. Wilson, T. S. Miyashita, F. Le Diberder, C. H. Cheng, K. Yu Todyshev, V. E. Blinov, Marcin Chrzaszcz, M. Verderi, Eleonora Luppi, Yu. I. Skovpen, G. J. King, M. A. Giorgi, S. Passaggio, R. Faccini, J. M. Izen, Simon Akar, M. Bellis, T. Leddig, K. Honscheid, F. Forti, A. R. Buzykaev, C. Cartaro, D. J. Summers, A. M. Lutz, M. V. Purohit, F. Bianchi, J. W. Gary, P. Taras, A. Calcaterra, I. M. Nugent, R. Kowalewski, J. Dorfan, D. Gamba, D. J. Payne, X. C. Lou, N. Arnaud, J. P. Coleman, G. Eigen, M. Margoni, A. Soffer, R. Godang, E. Paoloni, M. Heß, D. S. Chao, G. Wormser, G. Batignani, M. R. Convery, D. B. Macfarlane, L. Lanceri, R. J. Sobie, A. Roodman, D. J. Lange, Alessandro Pilloni, D. R. Peimer, T. Schroeder, A. J. Lankford, D. Aston, W. Panduro Vazquez, Wu S. L., R. M. Seddon, E. P. Solodov, J. Chauveau, M. Posocco, S. Bettarini, R. Prepost, Y. B. Li, G. Piredda, F. Anulli, U. Mallik, M. Carpinelli, J. Va'Vra, E. Fioravanti, W. S. Lockman, Roland Waldi, So R. Y., L. Vitale, K. T. Flood, Ray Franklin Cowan, C. Chen, G. Raven, L. Zani, G. Vasseur, M. Piccolo, P. C. Kim, F. U. Bernlochner, T. Adye, J. M. Roney, S. M. Spanier, C. L. Davis, B. Echenard, M. Fritsch, K. Griessinger, G. Calderini, Alberto Lusiani, J. Ocariz, G. Casarosa, C. Hearty, Marcello Rotondo, S. Emery, M. T. Graham, B. Bhuyan, F. Simonetto, Timothy Gershon, R. Cheaib, Ju-Young Kim, M. Davier, A. Oyanguren, M. Bomben, Dominik Müller, F. Ferroni, Biplab Dey, W. J. Wisniewski, D. A. Roberts, F. Di Lodovico, Brian Meadows, E. Grauges, F. Martinez-Vidal, J. J. Walsh, Matteo Rama, A. V. Gritsan, D. Bernard, Fergus Wilson, A. G. Denig, B. N. Ratcliff, I. Garzia, James G. Smith, C. Sciacca, R. C. Field, H. Ahmed, C. Touramanis, D. N. Brown, S. Luitz, K. R. Schubert, S. I. Serednyakov, F. Palombo, V. Poireau, Thomas Latham, C. Patrignani, V. Tisserand, J. L. Ritchie, R. Calabrese, Nicola Neri, M. Biasini, T. Lueck, F. De Mori, J. M. Losecco, G. Marchiori, D. G. Hitlin, Elisa Manoni, F. C. Porter, Michael Sokoloff, J. Cochran, C. Bozzi, R. Gorodeisky, C. Hast, P. R. Burchat, G. A. Cowan, A. P. Onuchin, L. Sun, Sw. Banerjee, Yu. G. Kolomensky, P. Ongmongkolkul, E. Ben-Haim, J. A. Ernst, N. Tasneem, J. Albert, T. S. Mattison, N. Guttman, B. G. Fulsom, W. Gradl, Adrian John Bevan, F. Ferrarotto, E. M. T. Puccio, S. Dittrich, I. M. Peruzzi, M. Ebert, R. Stroili, A. Rossi, O. Long, C. Bünger, S. Martellotti, V. P. Druzhinin, D. M. Wright, G. De Nardo, H. M. Lacker, A. Jawahery, S. J. Sekula, G. Cibinetto, P. Patteri, W. Dunwoodie, M. S. Alam, H. Koch, E. A. Kozyrev, G. Finocchiaro, H. Neal, R. Kass, D. W G S Leith, A. Beaulieu, D. Bettoni, S. Prell, V. B. Golubev, B. G. Pushpawela, M. Röhrken, A. Gaz, R. Sacco, B. Oberhof, S. H. Robertson, A. Palano, E. A. Kravchenko, George Lafferty, C. P. Jessop, A. Filippi, G. Rizzo, A. Hafner, W. R. Innes, David Hutchcroft, Oliver Grünberg, G. R. Bonneaud, A. Zallo, C. Voß, J. A. McKenna, S. R. Wagner, E. Gabathuler, P. F. Harrison, A. M. Eisner, Roger Barlow, J. P. Lees, V. Santoro, and L. Cremaldi
Subjects: Physics, Range (particle radiation), 010308 nuclear & particles physics, Electron–positron annihilation, Form factor (quantum field theory), 01 natural sciences, 7. Clean energy, Measure (mathematics), law.invention, Luminosity, Nuclear physics, law, 0103 physical sciences, 010306 general physics, Collider
Abstract: We study the process e^+e^− → e^+e^−η′ in the double-tag mode and measure for the first time the γ⋆γ⋆ → η′ transition form factor F_η′(Q^2_1,Q^2_2) in the momentum-transfer range 2 < Q^2_1, Q^2_2 < 60 GeV^2. The analysis is based on a data sample corresponding to an integrated luminosity of around 469 fb^(-1) collected at the PEP-II e^+e^− collider with the BABAR detector at center-of-mass energies near 10.6 GeV.
Published: 2018

27. Poster Abstracts

Author: Mario Carmellini, Gionata Spagnoletti, G Piredda, Paola Todeschini, Lucrezia Furian, S. Chiaramonte, L. Di Maria, Gianni Cappelli, and Giuseppe Tisone
Subjects: Transplantation, Pediatrics, medicine.medical_specialty, Everolimus, business.industry, Kidney transplant, Outcome (game theory), Term (time), 03 medical and health sciences, 0302 clinical medicine, 030220 oncology & carcinogenesis, medicine, Immunology and Allergy, Pharmacology (medical), Observational study, business, 030217 neurology & neurosurgery, medicine.drug
Published: 2016

28. PO-0801: Hypofractionated radiotherapy for HNSCC: a retrospective analysis of single Institution

Author: C. Sini, S. Cau, F. Cabras, F. Sanna, L. Pelagatti, A. Carai, G. Piredda, F. Salis, L. Canu, S. Marogna, S. Campoccia, L. Bandinu, M. Giobbe, S. Dei, A.R. Musu, M.C. Santona, E. Orefici, M. Urpis, P. Pittau, and F. Capelli
Subjects: Hypofractionated Radiotherapy, medicine.medical_specialty, Oncology, business.industry, Retrospective analysis, medicine, Radiology, Nuclear Medicine and imaging, Hematology, Radiology, Single institution, business
Published: 2020

29. Measurement of the spectral function for the τ−→K−KSντ decay

Author: G. J. King, D. B. Macfarlane, B. Bhuyan, J. Dorfan, Z. C. Huard, J. M. Izen, E. Grauges, M. Bellis, F. Martinez-Vidal, J. J. Walsh, V. B. Golubev, M. Röhrken, George Lafferty, C. P. Jessop, V. E. Blinov, Matteo Rama, A. V. Gritsan, A. Palano, James G. Smith, H. Neal, R. Kass, P. Ongmongkolkul, A. Hafner, W. R. Innes, David Hutchcroft, D. W G S Leith, D. Gamba, A. Beaulieu, J. Va'Vra, Oliver Grünberg, G. R. Bonneaud, W. S. Lockman, L. Lanceri, J. A. McKenna, S. R. Wagner, A. Calcaterra, B. Echenard, C. H. Cheng, R. M. Seddon, E. Fioravanti, A. G. Denig, B. N. Ratcliff, C. Bünger, M. Davier, V. P. Druzhinin, Ray Franklin Cowan, S. M. Spanier, A. Oyanguren, K. Griessinger, C. L. Davis, R. F. Schwitters, A. J S Smith, P. C. Kim, M. Posocco, K. T. Flood, R. Cheaib, A. Jawahery, N. Guttman, R. Stroili, M. Fritsch, F. U. Bernlochner, G. Cibinetto, J. Ocariz, M. T. Graham, D. M. Wright, M. S. Alam, Brian Meadows, Roland Waldi, So R. Y., F. De Mori, J. P. Lees, E. A. Kozyrev, W. J. Wisniewski, F. Ferroni, R. Gorodeisky, G. Vasseur, G. Wormser, F. Le Diberder, K. Yu Todyshev, B. G. Fulsom, C. Bozzi, Gabriele Simi, J. P. Coleman, R. Cenci, Ju-Young Kim, M. Bomben, F. Forti, R. Sacco, M. Margoni, C. Voß, Marcin Chrzaszcz, B. Oberhof, J. Cochran, A. M. Lutz, A. Zallo, Dominik Müller, T. Schroeder, A. J. Lankford, Yu. G. Kolomensky, G. Piredda, V. Santoro, U. Mallik, G. Batignani, M. Biasini, D. N. Brown, Y. B. Li, Michael Sokoloff, F. Ferrarotto, E. M. T. Puccio, M. Carpinelli, R. Godang, C. Sciacca, R. C. Field, H. Ahmed, T. Leddig, E. A. Kravchenko, D. J. Lange, R. Prepost, G. Casarosa, M. Ebert, P. R. Burchat, J. A. Ernst, L. Zani, A. Rossi, G. A. Cowan, S. Emery, Eleonora Luppi, C. Hearty, Marcello Rotondo, T. Adye, L. Vitale, X. C. Lou, S. Dittrich, J. L. Ritchie, O. Long, Wu S. L., D. Bernard, G. Eigen, A. Filippi, D. J. Summers, G. Rizzo, S. I. Serednyakov, F. Palombo, G. Calderini, A. Soffer, D. S. Chao, S. Martellotti, G. De Nardo, Alberto Lusiani, Nicola Neri, H. M. Lacker, C. Chen, Biplab Dey, N. Tasneem, J. Albert, Fergus Wilson, S. J. Sekula, C. Cartaro, I. M. Peruzzi, D. J. Payne, E. Ben-Haim, E. Paoloni, R. de Sangro, P. Patteri, Yu. I. Skovpen, K. Honscheid, J. W. Gary, P. Taras, M. Heß, R. Kowalewski, M. R. Convery, N. Arnaud, T. Lueck, D. G. Hitlin, J. Chauveau, C. Hast, Simon Akar, A. R. Buzykaev, H. Koch, S. Bettarini, G. Raven, G. Finocchiaro, M. Piccolo, F. Simonetto, C. Touramanis, S. Luitz, K. R. Schubert, R. J. Sobie, A. Roodman, W. Dunwoodie, T. S. Mattison, A. Randle-Conde, W. Gradl, M. K. Sullivan, M. Verderi, R. Faccini, V. Poireau, M. A. Giorgi, J. M. Losecco, G. Marchiori, F. C. Porter, F. Bianchi, I. M. Nugent, R. Calabrese, F. Di Lodovico, E. P. Solodov, Elisa Manoni, Sw. Banerjee, A. P. Onuchin, L. Sun, Adrian John Bevan, Alessandro Pilloni, I. Garzia, S. Passaggio, D. R. Peimer, Thomas Latham, C. Patrignani, V. Tisserand, D. Aston, F. Anulli, D. Bettoni, J. M. Roney, S. Prell, W. Panduro Vazquez, B. G. Pushpawela, A. Gaz, S. H. Robertson, M. V. Purohit, Timothy Gershon, D. A. Roberts, E. Gabathuler, P. F. Harrison, A. M. Eisner, L. Cremaldi, Roger Barlow, J. R. Wilson, and T. S. Miyashita
Subjects: S system, Physics, 010308 nuclear & particles physics, Branching fraction, Detector, 01 natural sciences, law.invention, Nuclear physics, law, 0103 physical sciences, Mass spectrum, Spectral function, 010306 general physics, Collider, Energy (signal processing)
Abstract: The decay τ^− → K^−K_Sν_τ has been studied using 430×10^6 e^+e^− → τ^+τ^− events produced at a center-of-mass energy around 10.6 GeV at the PEP-II collider and studied with the BABAR detector. The mass spectrum of the K^−K_S system has been measured and the spectral function has been obtained. The measured branching fraction B(τ^− → K^−K_Sν_τ) = (0.739 ± 0.011(stat) ± 0.020(syst)) × 10^(-3) is found to be in agreement with earlier measurements.
Published: 2018

30. The design of the MEG II experiment: MEG II Collaboration

Author: G. Cavoto, Stefan Ritt, P. W. Cattaneo, A. D’Onofrio, F. Morsani, Yu.V. Yudin, C. Voena, Masatoshi Maki, K. Ieki, S. Nakaura, Flavio Gatti, T. Libeiro, A. S. Korenchenko, F. Berg, Marco Francesconi, Ryu Sawada, G. F. Tassielli, A. Mtchedilishvili, F. Ignatov, D. Nicolò, C. Bemporad, G. Chiarello, Fabrizio Cei, A. Papa, D. N. Grigoriev, G. Signorelli, Nobuo Matsuzawa, M. Usami, Marco Grassi, Toshinori Mori, M. Simonetta, Andrey Popov, L. Galli, M. Nakao, P.-R. Kettle, A. Pepino, N. P. Kravchuk, Hajime Nishiguchi, A. de Bari, B.I. Khazin, Yusuke Uchiyama, F. Raffaelli, T. Iwamoto, W. R. Molzon, N. V. Khomutov, E. Baracchini, Satoshi Mihara, M. Panareo, D. Kaneko, Y. Zhang, S. Ogawa, A. Corvaglia, Kayo Yoshida, Malte Hildebrandt, G. Piredda, A. M. Baldini, M. Milgie, Wataru Ootani, M. De Gerone, C. Chiri, M. Rossella, Z. Hodge, R. Iwai, Yuki Fujii, Katsuyu Kasami, M. Venturini, M. Nishimura, Gianluigi Boca, F. Grancagnolo, F. Renga, Michele Biasotti, M. Chiappini, G. Rutar, E. Ripiccini, G. Cocciolo, Baldini, A. M., Baracchini, E., Bemporad, C., Berg, F., Biasotti, M., Boca, G., Cattaneo, P. W., Cavoto, G., Cei, F., Chiappini, M., Chiarello, G., Chiri, C., Cocciolo, G., Corvaglia, A., de Bari, A., De Gerone, M., D’Onofrio, A., Francesconi, M., Fujii, Y., Galli, L., Gatti, F., Grancagnolo, F., Grassi, M., Grigoriev, D. N., Hildebrandt, M., Hodge, Z., Ieki, K., Ignatov, F., Iwai, R., Iwamoto, T., Kaneko, D., Kasami, K., Kettle, P. -R., Khazin, B. I., Khomutov, N., Korenchenko, A., Kravchuk, N., Libeiro, T., Maki, M., Matsuzawa, N., Mihara, S., Milgie, M., Molzon, W., Mori, Toshinori, Morsani, F., Mtchedilishvili, A., Nakao, M., Nakaura, S., Nicolò, D., Nishiguchi, H., Nishimura, M., Ogawa, S., Ootani, W., Panareo, M., Papa, A., Pepino, A., Piredda, G., Popov, A., Raffaelli, F., Renga, F., Ripiccini, E., Ritt, S., Rossella, M., Rutar, G., Sawada, R., Signorelli, G., Simonetta, M., Tassielli, G. F., Uchiyama, Y., Usami, M., Venturini, M., Voena, C., Yoshida, K., Yudin, Yu. V., and Zhang, Y.
Subjects: SUSY SO(10), Physics and Astronomy (miscellaneous), High Energy Pysics, muons, charged lepton flavor violation, particles detectors, LEPTON-FLAVOR VIOLATION, SUPERSYMMETRIC STANDARD MODEL, SCINTILLATION-COUNTERS, PLASTIC SCINTILLATOR, UNIFIED THEORIES, TIME RESOLUTION, NEUTRINO-MASS, HIGGS-BOSON, 50 PS, 01 natural sciences, Muon Decay Violating Decay, Nuclear physics, 0103 physical sciences, Sensitivity (control systems), Engineering (miscellaneous), 010306 general physics, Physics, 010308 nuclear & particles physics, Branching fraction, Detector, Gamma ray, Upgrade, Order of magnitude
Abstract: The MEG experiment, designed to search for the μ+→e+γ decay, completed data-taking in 2013 reaching a sensitivity level of 5.3×10^−13 for the branching ratio. In order to increase the sensitivity reach of the experiment by an order of magnitude to the level of 6×10^−14, a total upgrade, involving substantial changes to the experiment, has been undertaken, known as MEG II. We present both the motivation for the upgrade and a detailed overview of the design of the experiment and of the expected detector performance
Published: 2018

31. Dietary conjugated linoleic acid-enriched cheeses influence the levels of circulating n-3 highly unsaturated fatty acids in humans

Author: Anne Ferlay, Maria Rosaria Melis, Maria Cristina Mele, Lina Cordeddu, Elisabetta Murru, Margherita Addis, Yves Chilliard, M. Coakley, Catherine Stanton, Erika Desogus, G. Piredda, Gianfranca Carta, Giorgio Cannelli, Sebastiano Banni, R.P. Ross, Claudia Manca, Hastimansooreh Ansar, Dipartimento Scienze Biomediche, Università degli studi 'G. d'Annunzio' Chieti-Pescara [Chieti-Pescara] (Ud'A), Unité Mixte de Recherche sur les Herbivores - UMR 1213 (UMRH), VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Institut National de la Recherche Agronomique (INRA)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Teagasc Agriculture and Food Development Authority (Teagasc), APC Microbiome Ireland, University College Cork (UCC), Servizio per la Ricerca nei Prodotti di Origine Animale, AGRIS sardegna, Fondazione Policlinico Universitario Agostino Gemelli, EU Project QLK1-2002-02362, INNOVA.RE-WP 2.3-P.O.R.-F.E.S.R., Science Foundation Ireland (SFI), SFI/12/RC/2273, Unité Mixte de Recherches sur les Herbivores - UMR 1213 (UMRH), VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Institut National de la Recherche Agronomique (INRA), and Institut National de la Recherche Agronomique (INRA)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement
Subjects: 0301 basic medicine, Male, Conjugated, Conjugated linoleic acid, [SDV]Life Sciences [q-bio], Peroxisome proliferator-activated receptor, fromage, ruminant, Highly unsaturated fatty acids (HUFA), lcsh:Chemistry, Plasma, chemistry.chemical_compound, Linseed oil, Cheese, Ruminant, fatty acids (FA), Linoleic Acids, Conjugated, Food science, lcsh:QH301-705.5, Spectroscopy, Omega-3, 2. Zero hunger, chemistry.chemical_classification, biology, Chemistry, Fatty Acids, clinical trial, General Medicine, Peroxisome, Cheese intake, 3. Good health, Computer Science Applications, conjugated linoleic acids (CLA), Clinical trial, Linoleic Acids, Female, Adult, cheese, highly unsaturated fatty acids (HUFA), plasma, food.ingredient, Alpha (ethology), n-3 fatty acid, Catalysis, Article, Inorganic Chemistry, 03 medical and health sciences, food, acide gras n 3, Settore MED/41 - ANESTESIOLOGIA, Fatty Acids, Omega-3, Humans, PPAR alpha, Physical and Theoretical Chemistry, Molecular Biology, micromass, Conjugated linoleic acids (CLA), 030109 nutrition & dietetics, Organic Chemistry, Lipid metabolism, Fatty acids (FA), biology.organism_classification, acide linoléique, Diet, lcsh:Biology (General), lcsh:QD1-999
Abstract: n-3 highly unsaturated fatty acids (n-3 HUFA) directly and indirectly regulate lipid metabolism, energy balance and the inflammatory response. We investigated changes to the n-3 HUFA score of healthy adults, induced by different types and amounts of conjugated linoleic acid (CLA)-enriched (ENCH) cheeses consumed for different periods of time, compared to dietary fish oil (FO) pills (500 mg, each containing 100 mg of eicosapentaenoic and docosahexaenoic acids&mdash, EPA+DHA) or &alpha, linolenic acid (ALA)-rich linseed oil (4 g, containing 2 g of ALA). A significant increase in the n-3 HUFA score was observed, in a dose-dependent manner, after administration of the FO supplement. In terms of the impact on the n-3 HUFA score, the intake of ENCH cheese (90 g/day) for two or four weeks was equivalent to the administration of one or two FO pills, respectively. Conversely, the linseed oil intake did not significantly impact the n-3 HUFA score. Feeding ENCH cheeses from different sources (bovine, ovine and caprine) for two months improved the n-3 HUFA score by increasing plasma DHA, and the effect was proportional to the CLA content in the cheese. We suggest that the improved n-3 HUFA score resulting from ENCH cheese intake may be attributed to increased peroxisome proliferator-activated receptor alpha (PPAR-&alpha, ) activity. This study demonstrates that natural ENCH cheese is an alternative nutritional source of n-3 HUFA in humans.
Published: 2018

32. Measurement of the e+e−→π+π−π0π0 cross section using initial-state radiation at BABAR

Author: S. H. Robertson, N. Tasneem, R. Godang, E. A. Kravchenko, H. M. Lacker, Aidan Randle-Conde, G. Vasseur, F. De Mori, Crisostomo Sciacca, D. Aston, K. Griessinger, G. Rizzo, A. Oyanguren, G. Wormser, Denis Bernard, R. Cenci, A. Zallo, E. Grauges, Mario Giorgi, T. E. Latham, M. Carpinelli, J. M. Roney, A. J. S. Smith, J. P. Lees, A. M. Eisner, S. Prell, I. Garzia, V. Poireau, A. Soffer, M. Fritsch, C. L. Davis, U. Mallik, T. S. Miyashita, J. Chauveau, S. Luitz, W. Dunwoodie, F. Simonetto, J. G. Smith, A. Lusiani, B. Bhuyan, J. L. Ritchie, V. E. Blinov, D. E. Hutchcroft, J. Cochran, K. Yu Todyshev, B. G. Fulsom, T. Leddig, B. G. Pushpawela, M. V. Purohit, B. N. Ratcliff, J. Albert, V. Santoro, W. S. Lockman, K. T. Flood, T. S. Mattison, Peter S. Kim, M. Piccolo, R. Stroili, W. J. Wisniewski, M. R. Convery, X. C. Lou, S. Passaggio, D. N. Brown, C. P. Jessop, A. M. Rossi, A. G. Denig, J. Va’vra, R. Y. So, V. B. Golubev, G. Batignani, R. Sacco, M. K. Sullivan, C. Hearty, F. F. Wilson, S. Martellotti, D. W. G. S. Leith, J. W. Gary, M. Hess, A. V. Gritsan, E. Ben-Haim, D. J. Summers, P. F. Harrison, M. Röhrken, S. Emery, R. F. Schwitters, F. Di Lodovico, R. C. Field, R. Gorodeisky, R. J. Sobie, A. Palano, Z. C. Huard, L. Vitale, D. J. Payne, D. A. Roberts, G. Calderini, S. Bettarini, C. Hast, M. Rama, D. J. Lange, F. Martinez-Vidal, G. Finocchiaro, I. M. Nugent, G. Piredda, A. M. Lutz, M. T. Graham, A. Hafner, E. M. T. Puccio, J. J. Walsh, J. A. McKenna, W. Panduro Vazquez, E. Luppi, D. S. Chao, M. S. Alam, J. Ocariz, N. Guttman, M. Davier, A. Roodman, F. Anulli, M. Rotondo, G. De Nardo, B. Oberhof, S. M. Spanier, Alessandro Gaz, B. Echenard, T. J. Gershon, R. de Sangro, P. Taras, E. P. Solodov, R. Cheaib, F. Ferroni, R. Waldi, B. T. Meadows, G. D. Lafferty, G. Raven, G. Marchiori, D. Gamba, M. D. Sokoloff, M. Bellis, P. R. Burchat, Elisa Manoni, P. Patteri, C. Buenger, J. M. LoSecco, E. Fioravanti, J. P. Coleman, C. Voss, B. Dey, F. Palombo, T. Lueck, James R. Wilson, W. Gradl, Stephen Robert Wagner, R. Calabrese, K. R. Schubert, C. Cartaro, C. Touramanis, S. J. Sekula, G. Eigen, A. Jawahery, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, A. P. Onuchin, L. Lanceri, E. Paoloni, G. Cibinetto, P. Ongmongkolkul, L. M. Cremaldi, M. Ebert, D. G. Hitlin, F. Forti, Nicola Neri, A. Filippi, D. B. MacFarlane, A. Calcaterra, R. Cowan, Marco Bomben, Douglas Wright, H. A. Neal, G. Casarosa, A. R. Buzykaev, Hamad Ahmed, A. Beaulieu, Yu. G. Kolomensky, V. P. Druzhinin, C. Bozzi, G. Cowan, K. Honscheid, R. J. Barlow, M. Posocco, Yu. I. Skovpen, G. R. Bonneaud, J. Dorfan, M. Verderi, N. Arnaud, Alessandro Pilloni, D. R. Peimer, O. Gruenberg, E. Gabathuler, W. R. Innes, I. M. Peruzzi, Maurizio Biasini, D. R. Muller, Tamara Vazquez Schroeder, Owen Rosser Long, J. A. Ernst, S. I. Serednyakov, F. Bianchi, L. Sun, Tim Adye, S. Dittrich, M. Chrzaszcz, Adrian John Bevan, R. D. Kass, R. Kowalewski, Sw. Banerjee, J. M. Izen, G. Simi, D. Bettoni, Florian Urs Bernlochner, C. Patrignani, V. Tisserand, Martino Margoni, Simon Akar, and R. Prepost
Subjects: Physics, Muon, Photon, Anomalous magnetic dipole moment, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, BaBar experiment, Electron, 01 natural sciences, Nuclear physics, Positron, 0103 physical sciences, 010306 general physics
Abstract: The process e^+e^− → π^+π^−2π^0γ is investigated by means of the initial-state radiation technique, where a photon is emitted from the incoming electron or positron. Using 454.3 fb^(-1) of data collected around a center-of-mass energy of √s = 10.58 GeV by the BABAR experiment at SLAC, approximately 150000 signal events are obtained. The corresponding nonradiative cross section is measured with a relative uncertainty of 3.6% in the energy region around 1.5 GeV, surpassing all existing measurements in precision. Using this new result, the channel’s contribution to the leading order hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon is calculated as (g^(π+π−2π^0)_μ−2)/2=(17.9 ± 0.1_(stat) ± 0.6_(syst))×10^(-10) in the energy range 0.85 GeV < E_(CM) < 1.8 GeV. In the same energy range, the impact on the running of the fine-structure constant at the Z^0-pole is determined as Δα^(π+π−2π0)(M^2_Z) = (4.44 ± 0.02_(stat) ± 0.14_(syst))×10^(-4). Furthermore, intermediate resonances are studied and especially the cross section of the process e^+e^− → ωπ^0 → π^+π^−2π^0 is measured.
Published: 2017

33. 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

34. Search for Invisible Decays of a Dark Photon Produced in e+e− Collisions at BaBar

Author: D. J. Payne, M. Verderi, J. Chauveau, F. De Mori, A. M. Rossi, Joseph Izen, S. Martellotti, I. M. Nugent, A. Giuffrida, D. S. Chao, M. Davier, V. B. Golubev, Heiko Lacker, A. Roodman, Roland Waldi, Abner Soffer, J. L. Ritchie, F. Ferroni, U. Mallik, Paul Fraser Harrison, Ju-Young Kim, T. E. Latham, M. Carpinelli, Stephen Robert Wagner, M. K. Sullivan, J. Ocariz, T. S. Miyashita, K. R. Schubert, N. Neri, T. S. Mattison, E. Fioravanti, C. Hast, D. J. Lange, G. Piredda, G. Wormser, A. Palano, Florian Urs Bernlochner, F. Palombo, T. Lueck, R. Y. So, R. Sacco, R. Godang, Z. C. Huard, W. Panduro Vazquez, P. Taras, E. P. Solodov, D. B. MacFarlane, M. Rama, R. Cenci, M. Fritsch, J. W. Gary, J. A. McKenna, David Hutchcroft, E. Paoloni, A. Zallo, T. J. Gershon, T. Schroeder, S. Bettarini, Yu G. Kolomensky, W. S. Lockman, J. P. Coleman, W. R. Innes, F. Anulli, S. Luitz, A. Filippi, P. Patteri, Alessandro Gaz, D. Gamba, J. Va’vra, M. V. Purohit, M. Bellis, R. Cheaib, J. Albert, Elisa Manoni, B. Bhuyan, D. Aston, C. H. Chen, Andrei Gritsan, B. G. Fulsom, J. J. Walsh, S. M. Spanier, J. Dorfan, M. Heß, N. Tasneem, D. N. Brown, R. Faccini, F. Ferrarotto, A. J. Lankford, Mark Derdzinski, R. Cowan, L. M. Cremaldi, M. T. Graham, J. M. LoSecco, J. P. Lees, F. Le Diberder, S. Prell, A. M. Lutz, I. Garzia, A. J.S. Smith, D. G. Hitlin, James H Cochran, B. Dey, G. D. Lafferty, K. Yu Todyshev, R. C. Field, A. Oyanguren, S. H. Robertson, R. Gorodeisky, Herbert Koch, S. Passaggio, R. Stroili, F. Forti, D. A. Roberts, C. H. Cheng, H. A. Neal, P. Ongmongkolkul, K. Griessinger, Aidan Randle-Conde, I. M. Peruzzi, G. Casarosa, C. Bünger, Yu I. Skovpen, R. de Sangro, G. R. Bonneaud, V. Santoro, T. Leddig, A. Lusiani, C. Touramanis, W. J. Wisniewski, Sau Lan Wu, A. Hafner, O. Grünberg, E. M. T. Puccio, A. R. Buzykaev, M. S. Alam, A. Beaulieu, E. Grauges, Mario Giorgi, James R. Wilson, R. Calabrese, G. Eigen, Simon Akar, D. J. Summers, M. Bomben, R. J. Sobie, L. Vitale, F. Martinez-Vidal, Dominik Müller, G. A. Cowan, G. J. King, C. L. Davis, M. Ebert, J. M. Roney, Stephen Sekula, J. G. Smith, V. P. Druzhinin, C. Bozzi, E. Luppi, H. Ahmed, N. Guttman, G. De Nardo, R. F. Schwitters, F. Simonetto, G. Marchiori, A. Jawahery, A. P. Onuchin, X. C. Lou, B. T. Meadows, G. Raven, V. E. Blinov, K. Honscheid, R. J. Barlow, G. Cibinetto, M. Posocco, Crisostomo Sciacca, G. Rizzo, Colin Jessop, R. Prepost, M. D. Sokoloff, P. R. Burchat, A. Calcaterra, D. W. G. S. Leith, G. Calderini, S. Emery, E. A. Kravchenko, G. Vasseur, K. T. Flood, Alessandro Pilloni, D. R. Peimer, C. Hearty, R. Kowalewski, C. Cartaro, Maurizio Biasini, Owen Rosser Long, L. Sun, Adrian John Bevan, Douglas Wright, S. I. Serednyakov, F. Bianchi, S. Dittrich, E. Gabathuler, M. R. Convery, F. C. Porter, A. G. Denig, M. Chrzaszcz, C. Voß, D. Bettoni, B. N. Ratcliff, C. Patrignani, V. Tisserand, A. M. Eisner, Sw. Banerjee, G. Simi, N. Arnaud, Tim Adye, R. D. Kass, Martino Margoni, G. Finocchiaro, M. Rotondo, M. Röhrken, F. F. Wilson, B. Oberhof, V. Poireau, M. Piccolo, P. C. Kim, G. Batignani, E. Ben-Haim, B. Echenard, D. Bernard, W. Dunwoodie, J. A. Ernst, W. Gradl, B. G. Pushpawela, L. Lanceri, and F. Di Lodovico
Subjects: Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, Dark matter, General Physics and Astronomy, Coupling (probability), 01 natural sciences, Dark photon, B-factory, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Boson
Abstract: We search for single-photon events in 53 fb^{-1} of e^{+}e^{-} collision data collected with the BABAR detector at the PEP-II B-Factory. We look for events with a single high-energy photon and a large missing momentum and energy, consistent with production of a spin-1 particle A^{'} through the process e^{+}e^{-}→γA^{'}; A^{'}→invisible. Such particles, referred to as "dark photons," are motivated by theories applying a U(1) gauge symmetry to dark matter. We find no evidence for such processes and set 90% confidence level upper limits on the coupling strength of A^{'} to e^{+}e^{-} in the mass range m_{A^{'}}≤8 GeV. In particular, our limits exclude the values of the A^{'} coupling suggested by the dark-photon interpretation of the muon (g-2)_{μ} anomaly, as well as a broad range of parameters for the dark-sector models.
Published: 2017

35. Dalitz plot analyses of J/ψ→π+π−π0 , J/ψ→K+K−π0 , and J/ψ→Ks0K±π∓ produced via e+e− annihilation with initial-state radiation

Author: Maurizio Biasini, F. Bianchi, J. Chauveau, F. De Mori, R. Kowalewski, S. Dittrich, Owen Rosser Long, J. A. Ernst, A. P. Onuchin, L. Sun, Adrian John Bevan, Alessandro Pilloni, D. R. Peimer, C. Hearty, Z. C. Huard, F. Di Lodovico, Roberto Calabrese, Heiko Lacker, Denis Bernard, D. J. Payne, R. Faccini, A. J. Lankford, S. Prell, J. Ocariz, A. Roodman, C. Bozzi, B. N. Ratcliff, D. W. G. S. Leith, K. R. Schubert, C. H. Chen, S. M. Spanier, I. M. Peruzzi, Vladimir Blinov, J. L. Ritchie, S. I. Serednyakov, E. Fioravanti, G. Finocchiaro, C. H. Cheng, Sw. Banerjee, A. G. Denig, C. Bünger, J. W. Gary, G. Calderini, E. A. Kravchenko, G. Rizzo, M. Rama, Roland Waldi, Nicolas Arnaud, R. Cowan, A. Zallo, James H Cochran, V. Poireau, R. Cheaib, S. H. Robertson, F. Ferroni, Michael R. Pennington, L. M. Cremaldi, Herbert Koch, G. De Nardo, Crisostomo Sciacca, D. Aston, R. Y. So, S. L. Wu, Yu. I. Skovpen, H. A. Neal, A. Lusiani, J. M. LoSecco, M. Röhrken, Peter S. Kim, Eleonora Luppi, K. Griessinger, Abner Soffer, J. P. Lees, G. A. Cowan, Paul Fraser Harrison, B. Dey, J. Dorfan, V. P. Druzhinin, M. T. Graham, Florian Urs Bernlochner, F. Palombo, T. Lueck, Douglas Wright, G. Cibinetto, R. Godang, U. Mallik, E. Gabathuler, Ju-Young Kim, G. Piredda, J. J. Walsh, W. R. Innes, F. C. Porter, R. Cenci, G. J. King, A. R. Buzykaev, D. N. Brown, P. Ongmongkolkul, J. M. Roney, B. Bhuyan, A. Beaulieu, M. Verderi, B. G. Fulsom, N. Tasneem, F. Le Diberder, C. Cartaro, R. C. Field, M. Heß, J. A. McKenna, M. Chrzaszcz, C. Voß, T. E. Latham, Stephen Robert Wagner, E. Manoni, Colin Jessop, R. Prepost, E. Paoloni, R. de Sangro, G. D. Lafferty, D. G. Hitlin, B. Echenard, A. Oyanguren, Randall Sobie, J. G. Smith, Andrei Gritsan, M. Fritsch, M. S. Alam, Aidan Randle-Conde, S. Passaggio, G. R. Bonneaud, Stephen Sekula, D. E. Hutchcroft, Adam P. Szczepaniak, A. M. Lutz, T. Leddig, A. Calcaterra, M. K. Sullivan, Yu G. Kolomensky, A. M. Eisner, G. Batignani, C. Touramanis, W. S. Lockman, A. Jawahery, F. F. Wilson, R. F. Schwitters, E. Ben-Haim, B. Oberhof, O. Grünberg, V. Santoro, I. Garzia, K. Honscheid, M. R. Convery, C. Patrignani, V. Tisserand, K. Yu. Todyshev, G. Vasseur, R. J. Barlow, J. Va’vra, A. Filippi, K. T. Flood, Daniel A. Roberts, D. J. Summers, Tim Adye, M. V. Purohit, D. Bettoni, T. S. Mattison, R. D. Kass, D. Gamba, J. Albert, W. J. Wisniewski, S. Luitz, Giulia Casarosa, G. Wormser, M. Bomben, S. Emery, S. Martellotti, C. Hast, D. J. Lange, L. Vitale, F. Martinez-Vidal, N. Neri, W. Panduro Vazquez, N. Guttman, Dominik Müller, E. Grauges, Mario Giorgi, V. B. Golubev, T. J. Gershon, M. Rotondo, H. Ahmed, G. Marchiori, F. Simonetto, T. Schroeder, Gabriele Simi, W. Gradl, C. L. Davis, L. Lanceri, P. Patteri, P. Taras, W. Dunwoodie, A. Gaz, X. C. Lou, B. G. Pushpawela, F. Forti, J. P. Coleman, F. Anulli, A. Palano, Martino Margoni, M. Piccolo, S. Bettarini, E. P. Solodov, T. S. Miyashita, M. Posocco, R. Gorodeisky, M. Bellis, A. Hafner, F. Ferrarotto, E. M. T. Puccio, M. Ebert, D. B. MacFarlane, R. Stroili, R. Sacco, James R. Wilson, Joseph Izen, G. Eigen, A. J.S. Smith, Simon Akar, M. Carpinelli, A. Rossi, B. T. Meadows, G. Raven, M. D. Sokoloff, P. R. Burchat, I. M. Nugent, D. S. Chao, and M. Davier
Subjects: Physics, Particle physics, Annihilation, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, Dalitz plot, 01 natural sciences, Nuclear physics, Particle decay, 0103 physical sciences, 010306 general physics, Dimensionless quantity
Abstract: We study the processes e^+e^− → γISR J/ψ, where J/ψ → π^+π^−π^0, J/ψ → K^+K^−π^0, and J/ψ → K^0_SK^±π^∓ 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 measure the ratio of branching fractions R_1 = ^(B(J/ψ → K^+K^−π^0)) /_(B(J/ψ → π^+π^−π^0)) and R_2 = ^(B(J/ψ → K^0_SK^±π^∓))/_(B(J/ψ → π^+π^−π^0)). We perform Dalitz plot analyses of the three J/ψ decay modes and measure fractions for resonances contributing to the decays. We also analyze the J/ψ → π^+π^−π^0 decay using the Veneziano model. We observe structures compatible with the presence of ρ(1450) in all three J/ψ decay modes and measure the relative branching fraction: R(ρ(1450)) = ^(B(ρ(1450) → K^+K^−))/_(B(ρ(1450) → π^+π^−)) = 0.307±0.084(stat)±0.082(sys).
Published: 2017

36. 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

37. Cross sections for the reactions e+e−→KS0KL0π0 , KS0KL0η , and KS0KL0π0π0 from events with initial-state radiation

Author: B. N. Ratcliff, Cheng Chen, Elisa Manoni, D. B. MacFarlane, A. Calcaterra, M. HeÃŸ, V. B. Golubev, F. De Mori, J. M. Izen, Marco Bomben, Denis Bernard, J. Va’vra, A. J. S. Smith, M. Rotondo, M. Rama, J. A. McKenna, N. Guttman, A. M. Eisner, Martino Margoni, S. Bettarini, A. J. Bevan, C. Cartaro, J. Chauveau, G. Marchiori, G. De Nardo, A. V. Gritsan, C. Touramanis, A. M. Rossi, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, A. G. Denig, L. Lanceri, C. L. Davis, W. Gradl, F. Di Lodovico, S. M. Spanier, A. Roodman, G. J. King, R. F. Schwitters, M. V. Purohit, C. Hearty, D. J. Summers, J. P. Lees, H. A. Neal, G. Casarosa, A. Palano, J. Albert, Alessandro Pilloni, D. R. Peimer, R. C. Field, F. Ferroni, D. J. Payne, Douglas Wright, So R. Y., J. W. Gary, Tim Adye, P. F. Harrison, R. D. Kass, J. J. Walsh, A. R. Buzykaev, R. J. Sobie, L. Vitale, F. Martinez-Vidal, G. Finocchiaro, A. Beaulieu, J. Cochran, M. Piccolo, M. RÃ¶hrken, C. Hast, Ju-Young Kim, Crisostomo Sciacca, D. Aston, G. Rizzo, J. L. Ritchie, I. M. Peruzzi, C. BÃ¼nger, M. S. Alam, G. Batignani, D. J. Lange, G. Piredda, W. Panduro Vazquez, Stephen Robert Wagner, J. Ocariz, Y. I. Skovpen, U. Mallik, G. D. Lafferty, E. Luppi, K. R. Schubert, C. H. Cheng, E. Ben-Haim, T. J. Gershon, S. Martellotti, B. Bhuyan, Hamad Ahmed, R. Cheaib, Peter S. Kim, A. Filippi, B. Oberhof, D. Gamba, B. G. Fulsom, F. Simonetto, R. Waldi, P. Taras, E. P. Solodov, T. S. Miyashita, N. Neri, S. I. Serednyakov, P. Patteri, M. Bellis, F. Bianchi, J. M. LoSecco, R. Cowan, I. M. Nugent, B. Dey, J. M. Roney, D. E. Hutchcroft, T. Leddig, D. S. Chao, James R. Wilson, S. Dittrich, Maurizio Biasini, D. R. Muller, J. G. Smith, W. S. Lockman, R. Calabrese, M. Davier, V. Santoro, C. P. Jessop, J. P. Coleman, R. de Sangro, M. R. Convery, T. S. Mattison, V. P. Druzhinin, C. Bozzi, P. Ongmongkolkul, G. Cowan, E. Paoloni, K. Honscheid, S. Banerjee, X. C. Lou, R. Godang, G. Eigen, M. K. Sullivan, W. J. Wisniewski, R. J. Barlow, Tamara Vazquez Schroeder, D. N. Brown, S. Prell, I. Garzia, M. Posocco, H. M. Lacker, N. Tasneem, F. F. Wilson, Owen Rosser Long, T. E. Latham, V. Poireau, M. Carpinelli, S. Passaggio, S. Emery, Wu S. L., S. H. Robertson, A. Soffer, S. J. Sekula, Herbert Koch, A. Jawahery, R. Stroili, Y. G. Kolomensky, A. Lusiani, J. A. Ernst, K. Griessinger, Aidan Randle-Conde, A. P. Onuchin, A. Oyanguren, G. Cibinetto, B. Echenard, C. VoÃŸ, L. Sun, O. GrÃ¼nberg, Z. C. Huard, F. Anulli, Alessandro Gaz, R. Kowalewski, G. R. Bonneaud, J. Dorfan, E. Fioravanti, F. Palombo, T. Lueck, M. Verderi, N. Arnaud, K. Y. Todyshev, V. E. Blinov, D. W. G. S. Leith, E. Grauges, G. Calderini, Mario Giorgi, Simon Akar, R. Prepost, G. Simi, E. A. Kravchenko, D. Bettoni, Florian Urs Bernlochner, G. Vasseur, R. Cenci, A. Zallo, K. T. Flood, C. Patrignani, M. Fritsch, R. Sacco, V. Tisserand, L. M. Cremaldi, M. Ebert, D. G. Hitlin, S. Luitz, E. Gabathuler, W. R. Innes, F. Forti, F. C. Porter, G. Wormser, M. Chrzaszcz, B. G. Pushpawela, W. Dunwoodie, B. T. Meadows, G. Raven, M. D. Sokoloff, P. R. Burchat, R. Gorodeisky, D. A. Roberts, A. M. Lutz, M. T. Graham, A. Hafner, and E. M. T. Puccio
Subjects: Physics, 010308 nuclear & particles physics, 0103 physical sciences, State (functional analysis), Atomic physics, Radiation, 010306 general physics, 01 natural sciences
Published: 2017

38. 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

39. Building of prediction models by using Mid-Infrared spectroscopy and fatty acid profile to discriminate the geographical origin of sheep milk

Author: Margherita Addis, G. Piredda, Marco Caredda, Gavino Sanna, Maria Francesca Scintu, Ignazio Ibba, and Riccardo Leardi
Subjects: chemistry.chemical_classification, Chemometrics, Genetic algorithm, Geographical authentication, IR spectroscopy, Linear discriminant, 0402 animal and dairy science, Fatty acid, 04 agricultural and veterinary sciences, Biology, 040401 food science, 040201 dairy & animal science, Mid infrared spectroscopy, 0404 agricultural biotechnology, chemistry, Biochemistry, Fatty acid composition, Food science, Sheep milk, Predictive modelling, Food Science
Abstract: Geographical authentication of sheep milk is an issue related to the production of cheeses labelled with a Protected Designation of Origin (PDO). To this purpose we investigated both the capability of the fatty acid composition and the capability of the Mid-InfraRed (MIR) spectra of 250 samples of sheep milk (gathered in different areas of the region Sardinia) to discriminate the samples as what regards their geographical origin. Genetic Algorithms (GA) were applied to the fatty acid profile and to the spectra to select the informative variables for developing discriminant models able to correctly classify the samples. The models were validated on unknown samples obtaining correct predictions of 96% using the selected fatty acids and of 99% using the selected MIR spectral regions. For routine control analysis, MIR spectroscopy is preferred for being a non-destructive, cheap and real-time analytical method.
Published: 2017

40. Thermal inactivation and variability of γ-glutamyltransferase and α-l-fucosidase enzymatic activity in sheep milk

Author: G. Piredda, Carlo Piga, Riccardo Di Salvo, Maria Francesca Scintu, Pietro Paolo Urgeghe, and Gavino Sanna
Subjects: chemistry.chemical_classification, biology, Enzyme assay, chemistry.chemical_compound, Enzyme, medicine.anatomical_structure, chemistry, Biochemistry, Lactation, biology.protein, medicine, Urea, Food science, Fucosidase, Lactose, Gamma-glutamyltransferase, Sheep milk, Food Science
Abstract: We present a study of the thermal inactivation and variation of activity of two enzymes in sheep milk: γ-glutamyltransferase and α- l -fucosidase. We find that the thermal treatment of milk causes inactivation of α- l -fucosidase between 57 °C and 68 °C, and γ-glutamyltransferase between 68 °C and 80 °C. In untreated sheep milk, the highest level of enzymatic activity (EA) for these two enzymes is in the pH range 5.5–6.0 and 8.0–8.5, respectively. Skimming treatment causes the loss of 35% of the activity of γ-glutamyltransferase. No differences in the EA were ascribable to the diets evaluated in this study. We observed EAs of α- l -fucosidase and γ-glutamyltransferase over the entire lactation cycle, noting that the EA of the former increased from 81 to 207 U mL−1 (average 159 ± 30 U mL−1) while the EA of the latter from 3.12 to 4.89 U mL−1 (average 3.83 ± 0.34 U mL−1). Relationships between both enzymes and selected milk parameters (lipids, proteins, lactose, urea and somatic cells) are highlighted by Principal Component Analysis.
Published: 2013

41. Charged Lepton Flavor–Violation Experiments

Author: G. Piredda, J. P. Miller, P. Paradisi, and Satoshi Mihara
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Muon collider, Physics beyond the Standard Model, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Flavor, Lepton
Abstract: We review the status of the major experiments that are searching for charged lepton flavor violation. We present and discuss recent results and prospects for future projects in the framework of theories beyond the Standard Model.
Published: 2013

42. Time-integrated luminosity recorded by the BABARdetector at the PEP-IIe+e- collider

Author: M. J. Lewczuk, E. A. Kravchenko, T. Lueck, Gabriele Simi, C. L. Davis, Crisostomo Sciacca, D. Aston, R. Gamet, A. M. Eisner, J. L. Ritchie, R. Y. So, R. Andreassen, V. Prasad, G. Hamel de Monchenault, A. P. Wagner, Mauro Morandin, J. Ocariz, M. V. Purohit, Sw. Banerjee, J. Albert, M. A. Mazzoni, G. Wormser, M. Wittgen, G. Lynch, P. Patteri, Peter S. Kim, T. Schroeder, J. W. Gary, W. Dunwoodie, S. M. Spanier, E. Behn, Douglas Wright, M. L. Kocian, B. Bhuyan, R. Cheaib, L. Piemontese, R. F. Schwitters, Marcello Rotondo, M. Sigamani, B. G. Fulsom, Jose F Benitez, I. M. Peruzzi, A. Stocchi, Bruce Schumm, James R. Wilson, E. Prencipe, X. Nguyen, Andrei Gritsan, Claudio Campagnari, E. Gabathuler, W. R. Innes, F. C. Porter, J. M. LoSecco, O. Hamon, A. Roodman, L. M. Cremaldi, Simon Akar, S. Zambito, G. Onorato, A. Cervelli, William T. Ford, H. Briand, R. Godang, V. E. Blinov, D. J. Asgeirsson, B. C. Wray, N. B. Sinev, P. Ongmongkolkul, A. N. Yushkov, A. M. Ruland, F. Forti, H. L. Lynch, M. Verderi, Heiko Lacker, D. Su, H. A. Neal, T. Pulliam, Roland Waldi, F. Ferroni, S. I. Serednyakov, F. Bianchi, D. Monorchio, C. Voß, A. E. Rubin, E. Guido, Enrico Robutti, M. Piccolo, G. Raven, E. Grauges, J. P. Burke, A. Oyanguren, J. R. Fry, G. R. Bonneaud, U. Mallik, Dmytro Kovalskyi, G. J. King, J. J. Walsh, D. R. Peimer, G. Batignani, Sridhara Dasu, C. H. Cheng, P. D. Dauncey, A. G. Denig, J. E. Brau, M. K. Sullivan, M. D. Sokoloff, A. J. Martinez, J. P. Lees, S. Sitt, P. J. Clark, T. S. Miyashita, P. R. Burchat, Nicola Neri, M. Mandelkern, D. W. G. S. Leith, M. Gaspero, A. M. Lutz, R. Calabrese, C. Touramanis, A. Adametz, Paul Fraser Harrison, R. de Sangro, E. Ben-Haim, D. M. Strom, R. Cenci, G. Cibinetto, Hossain Ahmed, Chunhui Chen, W. J. Wisniewski, R. Stroili, G. M. Vitug, T. Hartmann, A. R. Buzykaev, O. Grünberg, M. Carpinelli, P. M. Patel, P. Lewis, G. Eigen, M. R. Monge, P. C. Bloom, Yu. G. Kolomensky, C. Dallapiccola, A. Zallo, D. Lindemann, B. Echenard, D. Bernard, B. Spaan, Stephen Robert Wagner, W. H. Toki, T. Leddig, G. Calderini, D. H. Wright, Thomas Latham, H. R. Band, D. Dujmic, C. Patrignani, Z. C. Huard, K. R. Schubert, Elisa Manoni, W. S. Lockman, M. Fritsch, S. Playfer, J. Chauveau, P. Taras, E. P. Solodov, V. Tisserand, R. Gorodeisky, M. Simard, D. A. Roberts, S. Passaggio, A. A. Salnikov, A. Calcaterra, Eleonora Luppi, M. R. Convery, W. Gradl, W. Park, A. Perez, L. Lanceri, M. T. Graham, D. Bettoni, Alberto Lusiani, I. Garzia, Christopher West, G. Grosdidier, C. Angelini, J. P. Coleman, Yu I. Skovpen, Sau Lan Wu, Marco Bomben, A. Hafner, G. De Nardo, K. Yu Todyshev, M. H. Schune, G. Sciolla, F. Anulli, B. Hamilton, M. Ebert, Colin Jessop, A. Palano, U. Uwer, Biplab Dey, R. C. Field, T. S. Mattison, Alessandro Gaz, G. Finocchiaro, V. Luth, E. M. T. Puccio, P. Biassoni, G. Casarosa, M. L. Perl, Fergus Wilson, R. Prepost, V. Santoro, C. Hast, D. J. Lange, G. Piredda, F. Simonetto, P. Sonnek, R. H. Schindler, Matteo Rama, Abner Soffer, S. H. Robertson, Joseph Izen, M. Morii, Stephen Sekula, Ch Yèche, S. Prell, T. J. Gershon, Herbert Koch, E. O. Olaiya, V. B. Golubev, B. Lindquist, M. S. Alam, James H Cochran, David Hutchcroft, A. Snyder, V. Poireau, Marcello Giorgi, S. Luitz, X. C. Lou, Florian Urs Bernlochner, D. Lopes Pegna, A. Khan, V. P. Druzhinin, C. Bozzi, K. Griessinger, I. M. Nugent, N. Gagliardi, D. B. MacFarlane, F. Palombo, H. W. Wulsin, D. S. Chao, D. N. Brown, Weitao Wang, J. Dorfan, Brian Meadows, C. Bünger, R. Frey, M. Davier, M. H. Kelsey, R. Baldini-Ferroli, D. Kirkby, J. A. McKenna, B. Oberhof, T. M. Hong, G. Vasseur, K. T. Flood, V. Ziegler, K. Honscheid, James D. Olsen, R. Kroeger, R. Sacco, A. Jawahery, B. N. Ratcliff, G. Rizzo, E. Feltresi, A. P. Onuchin, M. Posocco, R. Contri, L. T. Kerth, Alessandro Rossi, R. Schwierz, C. Hearty, Ph Leruste, A. J.S. Smith, N. Arnaud, M. Lo Vetere, D. J. Summers, W. T. Meyer, R. J. Sobie, L. Vitale, F. Martinez-Vidal, Dominik Müller, N. Tasneem, S. Pacetti, R. Cowan, S. Bettarini, M. Bellis, Aidan Randle-Conde, George Lafferty, R. Faccini, M. Franco Sevilla, G. P. Dubois-Felsmann, R. Ayad, Y. B. Pan, R. Kowalewski, A. Y. Rakitin, S. Nelson, Denis Derkach, Maurizio Biasini, B. Malaescu, Owen Rosser Long, A. Seiden, J. A. Ernst, L. Sun, Adrian John Bevan, F. Ferrarotto, A. J. Lankford, F. Le Diberder, E. Torrence, J. D. Richman, Pablo Villanueva-Perez, D. J. Bard, D. G. Hitlin, G. A. Cowan, J. Va’vra, D. Gamba, Eugenio Paoloni, N. Guttman, B. Stugu, G. Marchiori, Roger Barlow, Martino Margoni, R. M. White, C. Cartaro, L. Li Gioi, P. Roudeau, A. M. Gabareen, Tim Adye, R. D. Kass, E. Fioravanti, H. H. F. Choi, S. Emery, Maurizio Martinelli, J. M. Roney, J. G. Smith, F. Di Lodovico, D. J. Payne, and U. Nauenberg
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, 010308 nuclear & particles physics, Electron–positron annihilation, Detector, BaBar experiment, Resonance, 01 natural sciences, Nuclear physics, 0103 physical sciences, 010306 general physics, Instrumentation
Abstract: We describe a measurement of the time-integrated luminosity of the data collected by the BABAR experiment at the PEP-II asymmetric-energy e^+e^- collider at the ϒ(4S), ϒ(3S), and ϒ(2S) resonances and in a continuum region below each resonance. We measure the time-integrated luminosity by counting e^+e^-→e^+e^- and (for the ϒ(4S) only) e^+e^-→μ^+μ^- candidate events, allowing additional photons in the final state. We use data-corrected simulation to determine the cross-sections and reconstruction efficiencies for these processes, as well as the major backgrounds. Due to the large cross-sections of e^+e^-→e^+e^- and e^+e^-→μ^+μ^-, the statistical uncertainties of the measurement are substantially smaller than the systematic uncertainties. The dominant systematic uncertainties are due to observed differences between data and simulation, as well as uncertainties on the cross-sections. For data collected on the ϒ(3S) and ϒ(2S) resonances, an additional uncertainty arises due to ϒ→e^+e^-X background. For data collected off the ϒ resonances, we estimate an additional uncertainty due to time dependent efficiency variations, which can affect the short off-resonance runs. The relative uncertainties on the luminosities of the on-resonance (off-resonance) samples are 0.43% (0.43%) for the ϒ(4S), 0.58% (0.72%) for the ϒ(3S), and 0.68% (0.88%) for the ϒ(2S).
Published: 2013

43. 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

44. 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. Eckhart, C. Roat, A. J. Bevan, F. Muheim, James R. Wilson, M. G. Wilson, M. Steinke, D. J. Summers, M. Pripstein, A. W. Borgland, D. A. Roberts, F. E. Taylor, Sergio Grancagnolo, A. Petzold, G. Hamel de Monchenault, R. S. Panvini, P. M. Patel, T. Schroeder, M. C. Hodgkinson, G. Grosdidier, J. E. Sundermann, Markus Cristinziani, Stephen Robert Wagner, J.H. Panetta, Mohamed H. Ahmed, G. Batignani, N. Cavallo, L. Lanceri, E. Grauges-Pous, Stéphane Plaszczynski, D. S. Best, M. L. Kocian, T. Held, K. E. Ford, M. T. Graham, T. J. Harrison, J. W. Gary, G. Benelli, E. O. Olaiya, L. M. Mir, T. R. McMahon, T. Piatenko, W. D. Hulsbergen, M. V. Purohit, S. Yang, W. Dunwoodie, E. I. Rosenberg, C. T. Day, Brandon L. Hartfiel, M. C. Simani, Francesco Fabozzi, K. R. Schubert, G. Vasileiadis, R. J. Sobie, F. Anulli, A. Perazzo, C. Voena, L. Vitale, S. Passaggio, F. X. Yumiceva, M. Mandelkern, U. Langenegger, G. W. Brandenburg, H. Kagan, W. A. Wenzel, J. Va'vra, F. Martinez-Vidal, Dominik Müller, D. P. Stoker, Nicolas Berger, T. Glanzman, Matteo Rama, M. A. Saeed, N. R. Barlow, F. Palombo, B. Franek, M. Wittgen, Vivek Sharma, S. Dittongo, N. A. Roe, G. P. Dubois-Felsmann, R. C. Field, F. Salvatore, M. Carpinelli, Lydia Roos, G. Finocchiaro, V. Luth, G. Blaylock, M. Morganti, S. Prell, G. Eigen, F. Safai Tehrani, R. F. Schwitters, Q. K. Wong, J.J. Reidy, S. M. Spanier, D. B. MacFarlane, S. Playfer, James D. Olsen, C. P. O'Grady, R. R. Kofler, C. T. Potter, M. Krishnamurthy, A. V. Gritsan, Mario Giorgi, Jie Zhang, R. Claus, Akram Khan, James H Cochran, Matteo Negrini, J. G. Smith, R. S. Dubitzky, J. Stelzer, R. Godang, M. S. Alam, B. Lewandowski, A. Snyder, M. S. Gill, L. T. Kerth, M. A. Baak, M. Pioppi, D. E. Wagoner, A. Soffer, W. O. Ruddick, J. M. LoSecco, A. V. Telnov, H. M. Lacker, H. L. Lynch, S. Morganti, Sridhara Dasu, K. Koeneke, Gabriele Simi, Roberto Covarelli, R. W. Kadel, B. Cheng, V. E. Blinov, A. Palano, M. P. Kelly, B. T. Meadows, F. Gallo, G. Raven, C. L. Davis, J. I. Yi, P. D. Jackson, R. L. Flack, R. K. Yamamoto, M. Barrett, D. M. Strom, N. B. Sinev, K. S. Chaisanguanthum, H. P. Paar, S. A. Majewski, J. E. Brau, M. D. Sokoloff, C. M. Brown, M. Saleem, P. R. Burchat, R. Gamet, E. Charles, Fabio Cossutti, M. G. Green, D. Bettoni, Yu I. Skovpen, X. Giroux, T. W. Beck, Y. Karyotakis, P. Grenier, D. E. Hutchcroft, J. M. Bauer, C. Dallapiccola, Ch De La Vaissière, J. J. Hollar, S. F. Ganzhur, H. R. Band, M. Haire, J. C. Williams, J. Kroseberg, G. Cavoto, M. Davier, T. M. Hong, R. Messner, G. Rong, V. N. Ivanchenko, V. Lombardo, M. B. Nikolich, V. Eschenburg, W. S. Lockman, C. M. Hawkes, G. Vuagnin, B. N. Ratcliff, Colin Jessop, R. Prepost, R. Nogowski, D. W. G. S. Leith, W. N. Cottingham, T. S. Mattison, D. A. Sanders, G. Schott, N. D. Qi, P. Tan, Alessio Sarti, Amir Farbin, F. Di Lodovico, B. Dahmes, J. Libby, P. Taras, E. P. Solodov, C. D. Buchanan, A. A. Salnikov, R. Schwierz, U. Egede, C. Hast, D. J. Lange, Yu. G. Kolomensky, Q. L. Zeng, G. Piredda, A. Dvoretskii, J. C. Chen, Bernard Aubert, K. Wang, G. Calderini, M. Zito, M. R. Convery, G. Sciolla, S. I. Serednyakov, F. Bianchi, E. Feltresi, D. D. Brown, A. E. Rubin, M. Morii, D. J. Payne, M. Gaspero, A. E. Blinov, A. Olivas, C. C. Young, G. Nesom, Douglas Wright, W. T. Meyer, I. J. Forster, F. R. Wappler, U. Nauenberg, Sh. Rahatlou, M. L. Perl, J. P. Coleman, E. A. Kravchenko, M. Weaver, J. T. Boyd, P. J. Oddone, I. Eschrich, R. Baldini-Ferroli, Joseph Izen, Claudio Campagnari, W. Bhimji, D. Kirkby, G. Vasseur, D. Hufnagel, M. A. Winter, M. Verderi, D. J. Bard, T. Hadig, J. H. von Wimmersperg-Toeller, G. Crosetti, Enrico Robutti, U. Mallik, F. Forti, Pu Wang, A. Samuel, C. Cartaro, Silvano Tosi, W. M. Bugg, D. Kovalskyi, Alberto Lusiani, Fergus Wilson, P. Poropat, Janice Button-Shafer, G. R. Bonneaud, J. Dorfan, A. M. Boyarski, E. J. Hill, P. S. Jackson, P. E. Kutter, P. K. Behera, T. Allmendinger, Ph Leruste, N. Arnaud, D. D. Altenburg, B. Mayer, A. K. Yarritu, A. M. Rahimi, S. Christ, G. S. Abrams, D. N. Brown, G. D. Lafferty, A. Gaidot, G. P. Gopal, Amanda Weinstein, S. Emery, R. Frey, M. H. Kelsey, T. Abe, M. Bondioli, J. R. Johnson, J. Strube, R. Cowan, I. Narsky, D. Monorchio, S. Willocq, H. W. Zhao, G. Della Ricca, D. Thiessen, P. D. Dauncey, G. J. Grenier, Mirco Andreotti, Y. B. Pan, R. Kowalewski, Corrado Angelini, B. Bhuyan, O. L. Buchmueller, V. P. Druzhinin, C. Bozzi, K. Honscheid, C. A. Chavez, A. Buzzo, I. Ofte, R. J. Barlow, N. Chevalier, M. Posocco, Maurizio Biasini, Owen Rosser Long, A. Seiden, G. B. Mohanty, J. A. Ernst, M. Datta, Wouter Verkerke, J. J. Back, Ch Thiebaux, H. Staengle, L. Li Gioi, Olga Igonkina, W. T. Ford, Tim Adye, R. D. Kass, A. J. Edwards, Hyun-Chul Kim, A. Hauke, H. Nicholson, Martino Margoni, G. Mancinelli, K. Goetzen, J. L. Harton, E. Torrence, P. David, A. Santroni, Virginia Azzolini, S. J. Gowdy, V. Lillard, R. Barate, Sw. Banerjee, H. B. Crawley, P. J. Clark, R. K. Mommsen, J. Chauveau, C. M. Cormack, Denis Bernard, J. A. Kadyk, Chunhui Chen, D. Dong, E. Won, Y. S. Zhu, J. R. Gaillard, K. Paick, A. Dorigo, JunJie Wu, M. A. Mazur, R. J. Parry, E. Di Marco, D. H. Wright, C. Patrignani, A. Cunha, V. Tisserand, W. Roethel, L. Piemontese, E. Gabathuler, W. R. Innes, F. C. Porter, S. Bettarini, G. W. 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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

45. CHARM D-MESON PRODUCTION IN 360GEV/CPI-P INTERACTIONS - EVIDENCE FOR LEADING QUARKS

Author: C. Dionisi, G. V. Zolobov, Giorgio Borreani, Ph. Herquet, F. Marchetto, J. Salicio, A. M. Touchard, G. Piredda, P. Ladron de Guevara, C. Fisher, J. Dolbeau, Alan Poppleton, Louis Lyons, M. Sessa, E. Castelli, L. Ventura, W. Bartl, J. Dumarchez, Manuel Aguilar-Benitez, Paolo Bagnaia, E. P. Kistenev, K.E. Johansson, S. Nilsson, S-O. Holmgren, G. Ciapetti, E. Di Capua, Paolo Checchia, M. C. Touboul, T. Moa, Jacques Lemonne, P. Pilette, D. Crennell, P. van Hal, G. Neuhofer, D. Kuhn, M. Van Immerseel, Yu. Fisjak, H. Leutz, P. R. S. Wright, N. Kurtz, Francesco Marzano, D. Z. Toet, G. Zumerle, J. H. Wickens, L. Montanet, W.W.M. Allison, F. Bruyant, Josef Hrubec, Alessandro Bettini, E. V. Vlasov, B. Vonck, P. Hughes, M. MacDermott, Simonetta Gentile, F. Etienne, T. Rodrigo, Ugo Gasparini, S. Reucroft, J. Duboc, M. Boratav, J. Richardson, R. Bizzarri, H. Rohringer, L. Zanello, J. Hanton, M. E. Michalon-Mentzer, P. F. Loverre, A. Michalon, M. Markytan, P. Rossi, M. Mazzucato, and T. P. Yiou
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Nuclear physics, symbols.namesake, Distribution (mathematics), D meson, symbols, Feynman diagram, Production (computer science), Rapidity, Charm (quantum number), Hydrogen bubble, Particle Physics - Experiment
Abstract: Charm D-meson production in 360 GeV π−p interactions has been studied using the high-resolution hydrogen bubble chamber LEBC and the European Hybrid Spectrometer. The data show evidence for leading quark effects both in the number of D-meson types and in the Feynman x distributions. The production cross section is of the form d 2 δ d x d p T 2 ∞(1-x) n exp (-ap T 2 ) with n = 2.8±0.8 and a = 1.1±0.3 (GeV/c)−2. The x distribution is, however, compatible with the presence of both central (n = 6) and leading (n = 1) D / D production. The fraction of D-messons in the leading component is estimated to be ≈30%. The rapidity gap between members of reconstructed charm pairs is small compared to the available rapidity range. The inclusive cross section for single D-messons in the forward direction is: δ(D/ D )=(40 8 +15 )μ b ( for x>0) .
Published: 2016

46. 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. Cowan, R. G. Jacobsen, V. B. Koptchev, A. Hocker, S. Ahmed, D. Gamba, S. Schrenk, E. Chen, Q. H. Guo, D. Dujmic, G. Marchiori, V. Halyo, L. Gladney, R. Faccini, J. A. Kadyk, F. Ferrarotto, F. Le Diberder, Marcella Bona, J. D. Richman, D. Fortin, L. T. Kerth, G. A. Cowan, Roberto Calabrese, Computer Systems, Geometry, (Astro)-Particles Physics, Aubert, B, Barate, R., Boutigny, D., Couderc, F., Gaillard, J.-M., Hicheur, A., Karyotakis, Y., Lees, J.P., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.C., Qi, N.D., Rong, G., Wang, P., Zhu, Y.S., Eigen, G., Ofte, I., Stugu, B., Abrams, G.S., Borgland, Aw., Breon, A.B., Brown, D.N., Button-Shafer, J., Cahn, R.N., Charles, E., Day, C.T., Gill, M.S., Gritsan, A.V., Groysman, Y., Jacobsen, R.G., Kadel, R.W., Kadyk, J., Kerth, L.T., Kolomensky, Y.G., Kukartsev, G., Lynch, G., Mir, L.M., Oddone, P.J., Orimoto, T.J., Pripstein, M., Roe, N.A., Ronan, M.T., Shelkov, V.G., Wenzel, W.A., Barrett, M., Ford, K.E., Harrison, T.J., Hart, A.J., Hawkes, C.M., Morgan, S.E., Watson, A.T., Fritsch, M., Goetzen, K., Held, T., Koch, H., Lewandowski, B., Pelizaeus, M., Steinke, M., Boyd, J.T., Chevalier, N., Cottingham, W.N., Kelly, M.P., Latham, T.E., Wilson, F.F., Cuhadar-Donszelmann, T., Hearty, C., Knecht, N.S., Mattison, T.S., Mckenna, J.A., Thiessen, D., Khan, A., Kyberd, P., Teodorescu, L., Blinov, A.E., Blinov, V.E., Druzhinin, V.P., Golubev, V.B., Ivanchenko, V.N., Kravchenko, E.A., Onuchin, A.P., Serednyakov, S.I., Skovpen, Y.I., Solodov, E.P., Yushkov, A.N., Best, D., Bruinsma, M., Chao, M., Eschrich, I., Kirkby, D., Lankford, A.J., Mandelkern, M., Mommsen, R.K., Roethel, W., Stoker, D.P., Buchanan, C., Hartfiel, B.L., Foulkes, S.D., Gary, J.W., Shen, B.C., Wang, K., del Re, D., Hadavand, H.K., Hill, E.J., Macfarlane, D.B., Paar, H.P., Rahatlou, S., Sharma, V., Berryhill, J.W., Campagnari, C., Dahmes, B., Long, O., Lu, A., Mazur, M.A., Richman, J.D., Verkerke, W., Beck, T.W., Eisner, A.M., Heusch, C.A., Kroseberg, J., Lockman, W.S., Nesom, G., Schalk, T., Schumm, B.A., Seiden, A., Spradlin, P., Williams, D.C., Wilson, M.G., Albert, J., Chen, E., Dubois-Felsmann, G.P., Dvoretskii, A., Hitlin, D.G., Narsky, I., Piatenko, T., Porter, F.C., Ryd, A., Samuel, A., Yang, S., Jayatilleke, 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, M., Macri, M., Monge, M.R., Passaggio, S., Patrignani, C., Robutti, E., Santroni, A., Tosi, S., Bailey, S., Brandenburg, G., Chaisanguanthum, K.S., Morii, M., Won, E., Dubitzky, R.S., Langenegger, U., Bhimji, W., Bowerman, D.A., Dauncey, P.D., Egede, U., Gaillard, J.R., Morton, G.W., Nash, J.A., Nikolich, M.B., Taylor, G.P., Charles, M.J., Grenier, G.J., Mallik, U., Cochran, J., Crawley, H.B., Lamsa, J., Meyer, W.T., Prell, S., Rosenberg, E.I., Rubin, A.E., Yi, J., Biasini, M., Covarelli, R., Pioppi, M., Davier, M., Giroux, X., Grosdidier, G., Höcker, A., Laplace, S., Le Diberder, F., Lepeltier, V., Lutz, A.M., Petersen, T.C., Plaszczynski, S., Schune, M.H., Tantot, L., Wormser, G., Cheng, C.H., Lange, D.J., Simani, M.C., Wright, D.M., Bevan, A.J., Chavez, C.A., Coleman, J.P., Forster, I.J., Fry, J.R., Gabathuler, E., Gamet, R., Hutchcroft, D.E., Parry, R.J., Payne, D.J., Sloane, R.J., Touramanis, C., Back, J.J., Cormack, C.M., Harrison, P.F., di Lodovico, F., Mohanty, G.B., Brown, C.L., Cowan, G., Flack, R.L., Flaecher, H.U., Green, M.G., Jackson, P.S., Mcmahon, T.R., Ricciardi, S., Salvatore, F., Winter, M.A., Brown, D., Davis, C.L., Allison, J., Barlow, N.R., Barlow, R.J., Hart, P.A., Hodgkinson, M.C., Lafferty, G.D., Lyon, A.J., Williams, J.C., Chen, C., Farbin, A., Hulsbergen, W.D., Jawahery, A., Kovalskyi, D., Lae, C.K., Lillard, V., Roberts, D.A., Blaylock, G., Dallapiccola, C., Flood, K.T., Hertzbach, S.S., Kofler, R., Koptchev, V.B., Moore, T.B., Saremi, S., Staengle, H., Willocq, S., Cowan, R., Sciolla, G., Sekula, S.J., Taylor, F., Yamamoto, R.K., Mangeol, D.J.J., Patel, P.M., Robertson, S.H., Lazzaro, A., Lombardo, V., Palombo, F., Bauer, J.M., Cremaldi, L., Eschenburg, V., Godang, R., Kroeger, R., Reidy, J., Sanders, D.A., Summers, D.J., Zhao, H.W., Brunet, S., Côté, 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.L., Wilden, L., Jessop, C.P., Losecco, J.M., Allmendinger, T., Gan, K.K., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pulliam, T., Rahimi, A.M., Ter-Antonyan, R., Wong, Q.K., Brau, J., Frey, R., Igonkina, O., Potter, C.T., Sinev, N.B., 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 Vaissière, C., Del Buono, L., Hamon, O., John, M.J.J., Leruste, P., Malcles, J., Ocariz, J., Pivk, M., Roos, L., T'Jampens, S., Therin, G., Manfredi, P.F., Re, V., Behera, P.K., Gladney, L., Guo, Q.H., Panetta, J., Angelini, C., Batignani, G., Bettarini, S., Bondioli, M., Bucci, F., Calderini, G., Carpinelli, M., Forti, F., Giorgi, M.A., 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.E., Danielson, N., Elmer, P., 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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

47. MEASUREMENT OF D-MESON BRANCHING RATIOS

Author: P. Vilain, M. Schouten, P. K. Malhotra, J. F. Baland, R. Contri, J. Schiedmayer, S. Kitamura, R. Bizzarri, P. Stamer, J. R. Fry, H. Nowak, Speranza Falciano, M. Mazzucato, P. Hughes, P. Landron De Guevara, Simonetta Gentile, Sten Hellman, S. J. Colwill, P. V. Chliapnikov, Ugo Gasparini, C. Troncon, R. Di Marco, J. Hanton, J. Dolbeau, R. Hamatsu, A. Michalon, W. Bartl, Yu Fisyak, Rene Brun, Fernand Grard, J. Panella Comellas, T. Handler, D. Crennell, E. Di Capua, M. Aguilar-Benitez, U. Trevisan, C. Fernandez, C. Pinori, S. N. Ganguli, B. M. Whyman, E. Castelli, J. Richardson, A. T. Goshaw, P. Wright, M. Messa, M. Iori, G. Neuhofer, V. M. Begalli, W. M. Bugg, F. Marzano, V. V. Kniazev, Alan Poppleton, Y. Iga, E. P. Kistenev, W.W.M. Allison, L. Montanet, M. MacDermott, E. L. Hart, L. de Billy, Louis Lyons, M. C. Touboul, I. Kita, A. De Angelis, H. Briand, L. Haupt, B. Sellden, M. A. Houlden, W. Struczinski, H. Leutz, K. Shankar, S. O. Holmgren, P. Poropat, G. D. Patel, K. Rasner, Jose M Hernandez, R.J. Plano, P. Pilette, Atul Gurtu, T. Yamagata, D. Huss, M. Pernicka, E. Jegham, Josef Hrubec, S. Rinaudo, B. Vonck, S. Squarcia, P. Mason, C. Defoix, G. Piredda, F. Fontanelli, C. Fisher, S. Nilson, M. Laloum, N. Colino, C. Caso, G. Otter, H. Rohringer, K. Roberts, Torbjoern Moa, E. Johansson, V. Perevozchikov, P. Belliere, Paolo Checchia, F. Marchetto, R. Schulte, V.A. Uvarov, S. Reucroft, Giorgio Borreani, R. Raghavan, G. Marel, H. K. Nguyen, J. Dumarchez, C. Willmoit, G. Ransone, Gianni Zumerle, V. Canale, N. Oshima, and M. E. Michalon-Mentzer
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Hadron, D meson, Charm (quantum number), Branching (polymer chemistry)
Abstract: Charm data from 360 GeV/c π− p interactions are used to give results on D-meson branching ratios. The analysis is based on 114 charm events containing 183 observed charm particle decays. We present topological branching ratios and decay multiplicities, as well as the following inclusive branching ratios of D-mesons: B( D ± → K ∓ + anything ) = 0.16 −0.07 +0.08 , if B( D 0 → K ± + anything ) = 0.44 −0.10 +0.11 , ifB( D ± → e ± + 2,4 (rmcharged hadrons) = 0.07 −0.05 ++0.08 , B( D 0 → e ± + anything ) = 0.17 −0.06 +0.08 .
Published: 2016

48. 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

49. 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

50. Muon polarization in the MEG experiment: predictions and measurements

Author: A. M. Baldini, Akira Yamamoto, Z. You, M. De Gerone, W. R. Molzon, Malte Hildebrandt, Z. Hodge, B.I. Khazin, Marco Grassi, G. Chiarello, D. N. Grigoriev, Yu Bao, A. Mtchedlishvili, K. Ieki, S. Nakaura, A. Pepino, G. F. Tassielli, G. Cavoto, A. de Bari, T. I. Kang, P. W. Cattaneo, Hajime Nishiguchi, F. Berg, F. Renga, E. Baracchini, Flavio Gatti, A. Papa, Yuki Fujii, Yusuke Uchiyama, T. Haruyama, S. Ogawa, T. Iwamoto, M. Rossella, Andrey Popov, Michele Biasotti, G. M. A. Lim, L. Galli, S. Dussoni, A. S. Korenchenko, G. Pizzigoni, P.-R. Kettle, G. Rutar, E. Ripiccini, F. Grancagnolo, A. D’Onofrio, N. V. Khomutov, Wataru Ootani, Stefan Ritt, N. P. Kravchuk, D. Nicolò, C. Voena, A. Graziosi, F. Ignatov, K. Yoshida, M. Venturini, D. Kaneko, Ryu Sawada, F. Tenchini, G. Piredda, Satoshi Mihara, G. Signorelli, Yu.V. Yudin, M. Nishimura, F. Sergiampietri, Gianluigi Boca, Fabrizio Cei, C. Chiri, M. Panareo, C. Bemporad, and Toshinori Mori
Subjects: Physics, Particle physics, Muon, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Order (ring theory), 7. Clean energy, 01 natural sciences, Standard Model, Massless particle, 0103 physical sciences, Physics::Accelerator Physics, High Energy Physics::Experiment, Production (computer science), Neutrino, 010306 general physics, Engineering (miscellaneous), Energy (signal processing), Lepton
Abstract: The MEG experiment makes use of one of the world's most intense low energy muon beams, in order to search for the lepton flavour violating process $\mu^{+} \rightarrow {\rm e}^{+} \gamma$. We determined the residual beam polarization at the thin stopping target, by measuring the asymmetry of the angular distribution of Michel decay positrons as a function of energy. The initial muon beam polarization at the production is predicted to be $P_{\mu} = -1$ by the Standard Model (SM) with massless neutrinos. We estimated our residual muon polarization to be $P_{\mu} = -0.85 \pm 0.03 ~ {\rm (stat)} ~ { }^{+ 0.04}_{-0.05} ~ {\rm (syst)}$ at the stopping target, which is consistent with the SM predictions when the depolarizing effects occurring during the muon production, propagation and moderation in the target are taken into account. The knowledge of beam polarization is of fundamental importance in order to model the background of our ${\megsign}$ search induced by the muon radiative decay: $\mu^{+} \rightarrow {\rm e}^{+} \bar{\nu}_{\mu} \nu_{\rm e} \gamma$.
Published: 2016

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