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1. Deep Underground Neutrino Experiment (DUNE) Near Detector Conceptual Design Report

Author: A. Abed Abud, B. Abi, R. Acciarri, M. A. Acero, G. Adamov, D. Adams, M. Adinolfi, A. Aduszkiewicz, Z. Ahmad, J. Ahmed, T. Alion, S. Alonso Monsalve, M. Alrashed, C. Alt, A. Alton, P. Amedo, J. Anderson, C. Andreopoulos, M. P. Andrews, F. Andrianala, S. Andringa, N. Anfimov, A. Ankowski, M. Antonova, S. Antusch, A. Aranda-Fernandez, A. Ariga, L. O. Arnold, M. A. Arroyave, J. Asaadi, A. Aurisano, V. Aushev, D. Autiero, M. Ayala-Torres, F. Azfar, A. Back, H. Back, J. J. Back, C. Backhouse, P. Baesso, I. Bagaturia, L. Bagby, S. Balasubramanian, P. Baldi, B. Baller, B. Bambah, F. Barao, G. Barenboim, G. J. Barker, W. Barkhouse, C. Barnes, G. Barr, J. Barranco Monarca, N. Barros, J. L. Barrow, A. Basharina-Freshville, A. Bashyal, V. Basque, E. Belchior, J. B. R. Battat, F. Battisti, F. Bay, J. L. Bazo Alba, J. F. Beacom, E. Bechetoille, B. Behera, L. Bellantoni, G. Bellettini, V. Bellini, O. Beltramello, D. Belver, N. Benekos, F. Bento Neves, S. Berkman, P. Bernardini, R. M. Berner, H. Berns, S. Bertolucci, M. Betancourt, A. Betancur Rodríguez, M. Bhattacharjee, S. Bhuller, B. Bhuyan, S. Biagi, J. Bian, M. Biassoni, K. Biery, B. Bilki, M. Bishai, A. Bitadze, A. Blake, F. D. M. Blaszczyk, G. C. Blazey, E. Blucher, J. Boissevain, S. Bolognesi, T. Bolton, L. Bomben, M. Bonesini, M. Bongrand, F. Bonini, A. Booth, C. Booth, S. Bordoni, A. Borkum, T. Boschi, N. Bostan, P. Bour, C. Bourgeois, S. B. Boyd, D. Boyden, J. Bracinik, D. Braga, D. Brailsford, A. Brandt, J. Bremer, C. Brew, E. Brianne, S. J. Brice, C. Brizzolari, C. Bromberg, G. Brooijmans, J. Brooke, A. Bross, G. Brunetti, M. Brunetti, N. Buchanan, H. Budd, I. Cagnoli, D. Caiulo, P. Calafiura, J. Calcutt, M. Calin, S. Calvez, E. Calvo, A. Caminata, M. Campanelli, K. Cankocak, D. Caratelli, G. Carini, B. Carlus, P. Carniti, I. Caro Terrazas, H. Carranza, T. Carroll, J. F. Castaño Forero, A. Castillo, C. Castromonte, E. Catano-Mur, C. Cattadori, F. Cavalier, F. Cavanna, S. Centro, G. Cerati, A. Cervelli, A. Cervera Villanueva, M. Chalifour, A. Chappell, E. Chardonnet, N. Charitonidis, A. Chatterjee, S. Chattopadhyay, H. Chen, M. Chen, Y. Chen, Z. Chen, D. Cherdack, C. Chi, S. Childress, A. Chiriacescu, G. Chisnall, K. Cho, S. Choate, D. Chokheli, S. Choubey, A. Christensen, D. Christian, G. Christodoulou, A. Chukanov, E. Church, V. Cicero, P. Clarke, T. E. Coan, A. G. Cocco, J. A. B. Coelho, E. Conley, R. Conley, J. M. Conrad, M. Convery, S. Copello, L. Corwin, L. Cremaldi, L. Cremonesi, J. I. Crespo-Anadón, E. Cristaldo, R. Cross, A. Cudd, C. Cuesta, Y. Cui, D. Cussans, M. Dabrowski, O. Dalager, H. da Motta, L. Da Silva Peres, C. David, Q. David, G. S. Davies, S. Davini, J. Dawson, K. De, R. M. De Almeida, P. Debbins, I. De Bonis, M. P. Decowski, A. de Gouvêa, P. C. De Holanda, I. L. De Icaza Astiz, A. Deisting, P. De Jong, A. Delbart, D. Delepine, M. Delgado, A. Dell’Acqua, P. De Lurgio, J. R. T. de Mello Neto, D. M. DeMuth, S. Dennis, C. Densham, G. W. Deptuch, A. De Roeck, V. De Romeri, G. De Souza, R. Dharmapalan, F. Diaz, J. S. Díaz, S. Di Domizio, L. Di Giulio, P. Ding, L. Di Noto, C. Distefano, R. Diurba, M. Diwan, Z. Djurcic, N. Dokania, S. Dolan, M. J. Dolinski, L. Domine, D. Douglas, D. Douillet, G. Drake, F. Drielsma, D. Duchesneau, K. Duffy, P. Dunne, T. Durkin, H. Duyang, O. Dvornikov, D. A. Dwyer, A. S. Dyshkant, M. Eads, A. Earle, D. Edmunds, J. Eisch, L. Emberger, S. Emery, A. Ereditato, C. O. Escobar, G. Eurin, J. J. Evans, E. Ewart, A. C. Ezeribe, K. Fahey, A. Falcone, C. Farnese, Y. Farzan, J. Felix, M. Fernandes Carneiro da Silva, E. Fernandez-Martinez, P. Fernandez Menendez, F. Ferraro, L. Fields, F. Filthaut, A. Fiorentini, R. S. Fitzpatrick, W. Flanagan, B. Fleming, R. Flight, D. V. Forero, J. Fowler, W. Fox, J. Franc, K. Francis, D. Franco, J. Freeman, J. Freestone, J. Fried, A. Friedland, S. Fuess, I. Furic, A. P. Furmanski, A. Gabrielli, A. Gago, H. Gallagher, A. Gallas, A. Gallego-Ros, N. Gallice, V. Galymov, E. Gamberini, T. Gamble, R. Gandhi, R. Gandrajula, F. Gao, S. Gao, D. Garcia-Gamez, M. Á. García-Peris, S. Gardiner, D. Gastler, G. Ge, B. Gelli, A. Gendotti, S. Gent, Z. Ghorbani-Moghaddam, D. Gibin, I. Gil-Botella, S. Gilligan, C. Girerd, A. K. Giri, D. Gnani, O. Gogota, M. Gold, S. Gollapinni, K. Gollwitzer, R. A. Gomes, L. V. Gomez Bermeo, L. S. Gomez Fajardo, F. Gonnella, J. A. Gonzalez-Cuevas, D. Gonzalez-Diaz, M. Gonzalez-Lopez, M. C. Goodman, O. Goodwin, S. Goswami, C. Gotti, E. Goudzovski, C. Grace, M. Graham, R. Gran, E. Granados, P. Granger, A. Grant, C. Grant, D. Gratieri, P. Green, L. Greenler, J. Greer, W. C. Griffith, M. Groh, J. Grudzinski, K. Grzelak, W. Gu, V. Guarino, R. Guenette, E. Guerard, M. Guerzoni, A. Guglielmi, B. Guo, K. K. Guthikonda, R. Gutierrez, P. Guzowski, M. M. Guzzo, S. Gwon, A. Habig, H. Hadavand, R. Haenni, A. Hahn, J. Haiston, P. Hamacher-Baumann, T. Hamernik, P. Hamilton, J. Han, D. A. Harris, J. Hartnell, J. Harton, T. Hasegawa, C. Hasnip, R. Hatcher, K. W. Hatfield, A. Hatzikoutelis, C. Hayes, E. Hazen, A. Heavey, K. M. Heeger, J. Heise, K. Hennessy, S. Henry, M. A. Hernandez Morquecho, K. Herner, L. Hertel, J. Hewes, A. Higuera, T. Hill, S. J. Hillier, A. Himmel, J. Hoff, C. Hohl, A. Holin, E. Hoppe, G. A. Horton-Smith, M. Hostert, A. Hourlier, B. Howard, R. Howell, J. Huang, J. Hugon, G. Iles, N. Ilic, A. M. Iliescu, R. Illingworth, G. Ingratta, A. Ioannisian, L. Isenhower, R. Itay, A. Izmaylov, S. Jackson, V. Jain, E. James, B. Jargowsky, F. Jediny, D. Jena, Y. S. Jeong, C. Jesús-Valls, X. Ji, L. Jiang, S. Jiménez, A. Jipa, R. Johnson, N. Johnston, B. Jones, S. B. Jones, M. Judah, C. K. Jung, T. Junk, Y. Jwa, M. Kabirnezhad, A. Kaboth, I. Kadenko, I. Kakorin, F. Kamiya, N. Kaneshige, G. Karagiorgi, G. Karaman, A. Karcher, M. Karolak, Y. Karyotakis, S. Kasai, S. P. Kasetti, L. Kashur, N. Kazaryan, E. Kearns, P. Keener, K. J. Kelly, E. Kemp, O. Kemularia, W. Ketchum, S. H. Kettell, M. Khabibullin, A. Khotjantsev, A. Khvedelidze, D. Kim, B. King, B. Kirby, M. Kirby, J. Klein, K. Koehler, L. W. Koerner, S. Kohn, P. P. Koller, L. Kolupaeva, M. Kordosky, T. Kosc, U. Kose, V. A. Kostelecký, K. Kothekar, F. Krennrich, I. Kreslo, Y. Kudenko, V. A. Kudryavtsev, S. Kulagin, J. Kumar, P. Kumar, R. Kumar, P. Kunze, N. Kurita, C. Kuruppu, V. Kus, T. Kutter, A. Lambert, B. Land, K. Lande, C. E. Lane, K. Lang, T. Langford, J. Larkin, P. Lasorak, D. Last, C. Lastoria, A. Laundrie, G. Laurenti, A. Lawrence, I. Lazanu, R. LaZur, T. Le, S. Leardini, J. Learned, P. LeBrun, T. LeCompte, G. Lehmann Miotto, R. Lehnert, M. A. Leigui de Oliveira, M. Leitner, L. Li, S. W. Li, T. Li, Y. Li, H. Liao, C. S. Lin, Q. Lin, S. Lin, A. Lister, B. R. Littlejohn, J. Liu, S. Lockwitz, T. Loew, M. Lokajicek, I. Lomidze, K. Long, K. Loo, D. Lorca, T. Lord, J. M. LoSecco, W. C. Louis, X. G. Lu, K. B. Luk, X. Luo, N. Lurkin, T. Lux, V. P. Luzio, D. MacFarlane, A. A. Machado, P. Machado, C. T. Macias, J. R. Macier, A. Maddalena, A. Madera, P. Madigan, S. Magill, K. Mahn, A. Maio, A. Major, J. A. Maloney, G. Mandrioli, R. C. Mandujano, J. Maneira, L. Manenti, S. Manly, A. Mann, K. Manolopoulos, M. Manrique Plata, V. N. Manyam, L. Manzanillas, M. Marchan, A. Marchionni, W. Marciano, D. Marfatia, C. Mariani, J. Maricic, R. Marie, F. Marinho, A. D. Marino, D. Marsden, M. Marshak, C. M. Marshall, J. Marshall, J. Marteau, J. Martin-Albo, N. Martinez, D. A. Martinez Caicedo, S. Martynenko, K. Mason, A. Mastbaum, M. Masud, S. Matsuno, J. Matthews, C. Mauger, N. Mauri, K. Mavrokoridis, I. Mawby, R. Mazza, A. Mazzacane, E. Mazzucato, T. McAskill, E. McCluskey, N. McConkey, K. S. McFarland, C. McGrew, A. McNab, A. Mefodiev, P. Mehta, P. Melas, O. Mena, S. Menary, H. Mendez, D. P. Méndez, A. Menegolli, G. Meng, M. D. Messier, W. Metcalf, T. Mettler, M. Mewes, H. Meyer, T. Miao, G. Michna, T. Miedema, J. Migenda, V. Mikola, R. Milincic, W. Miller, J. Mills, C. Milne, O. Mineev, O. G. Miranda, S. Miryala, C. S. Mishra, S. R. Mishra, A. Mislivec, D. Mladenov, I. Mocioiu, K. Moffat, N. Moggi, R. Mohanta, T. A. Mohayai, N. Mokhov, J. Molina, L. Molina Bueno, A. Montanari, C. Montanari, D. Montanari, E. Montagna, L. M. Montano Zetina, J. Moon, M. Mooney, A. F. Moor, D. Moreno, C. Morris, C. Mossey, E. Motuk, C. A. Moura, J. Mousseau, W. Mu, L. Mualem, J. Mueller, M. Muether, S. Mufson, F. Muheim, A. Muir, M. Mulhearn, D. Munford, H. Muramatsu, S. Murphy, J. Musser, J. Nachtman, S. Nagu, M. Nalbandyan, R. Nandakumar, D. Naples, S. Narita, D. Navas-Nicolás, A. Navrer-Agasson, N. Nayak, M. Nebot-Guinot, K. Negishi, J. K. Nelson, J. Nesbit, M. Nessi, D. Newbold, M. Newcomer, D. Newhart, H. Newton, M. Niccolo, R. Nichol, F. Nicolas-Arnaldos, M. Nicoletta, E. Niner, K. Nishimura, A. Norman, A. Norrick, R. Northrop, P. Novella, J. A. Nowak, M. Oberling, J. P. Ochoa-Ricoux, A. Olivares Del Campo, A. Olivier, A. Olshevskiy, Y. Onel, Y. Onishchuk, J. Ott, L. Pagani, S. Pakvasa, G. Palacio, O. Palamara, S. Palestini, J. M. Paley, M. Pallavicini, C. Palomares, J. L. Palomino-Gallo, E. Pantic, V. Paolone, V. Papadimitriou, R. Papaleo, A. Papanestis, S. Paramesvaran, S. Parke, Z. Parsa, M. Parvu, S. Pascoli, L. Pasqualini, J. Pasternak, J. Pater, C. Patrick, L. Patrizii, R. B. Patterson, S. J. Patton, T. Patzak, A. Paudel, B. Paulos, L. Paulucci, Z. Pavlovic, G. Pawloski, D. Payne, V. Pec, S. J. M. Peeters, E. Pennacchio, A. Penzo, O. L. G. Peres, J. Perry, D. Pershey, G. Pessina, G. Petrillo, C. Petta, R. Petti, F. Piastra, L. Pickering, F. Pietropaolo, R. Plunkett, R. Poling, X. Pons, N. Poonthottathil, F. Poppi, S. Pordes, J. Porter, M. Potekhin, R. Potenza, B. V. K. S. Potukuchi, J. Pozimski, M. Pozzato, S. Prakash, T. Prakash, S. Prince, D. Pugnere, X. Qian, M. C. Queiroga Bazetto, J. L. Raaf, V. Radeka, J. Rademacker, B. Radics, A. Rafique, E. Raguzin, M. Rai, M. Rajaoalisoa, I. Rakhno, A. Rakotonandrasana, L. Rakotondravohitra, Y. A. Ramachers, R. Rameika, M. A. Ramirez Delgado, B. Ramson, A. Rappoldi, G. Raselli, P. Ratoff, S. Raut, R. F. Razakamiandra, J. S. Real, B. Rebel, M. Reggiani-Guzzo, T. Rehak, J. Reichenbacher, S. D. Reitzner, H. Rejeb Sfar, A. Renshaw, S. Rescia, F. Resnati, A. Reynolds, C. Riccio, G. Riccobene, L. C. J. Rice, J. Ricol, A. Rigamonti, Y. Rigaut, D. Rivera, L. Rochester, M. Roda, P. Rodrigues, M. J. Rodriguez Alonso, E. Rodriguez Bonilla, J. Rodriguez Rondon, S. Rosauro-Alcaraz, M. Rosenberg, P. Rosier, B. Roskovec, M. Rossella, J. Rout, P. Roy, S. Roy, A. Rubbia, C. Rubbia, F. C. Rubio, B. Russell, D. Ruterbories, R. Saakyan, S. Sacerdoti, T. Safford, R. Sahay, N. Sahu, P. Sala, N. Samios, O. Samoylov, M. C. Sanchez, D. A. Sanders, D. Sankey, S. Santana, M. Santos-Maldonado, N. Saoulidou, P. Sapienza, C. Sarasty, I. Sarcevic, G. Savage, V. Savinov, A. Scaramelli, A. Scarff, A. Scarpelli, T. Schaffer, H. Schellman, P. Schlabach, D. Schmitz, K. Scholberg, A. Schukraft, E. Segreto, J. Sensenig, I. Seong, A. Sergi, D. Sgalaberna, M. H. Shaevitz, S. Shafaq, M. Shamma, R. Sharankova, H. R. Sharma, R. Sharma, T. Shaw, C. Shepherd-Themistocleous, S. Shin, D. Shooltz, R. Shrock, L. Simard, F. Simon, N. Simos, J. Sinclair, G. Sinev, J. Singh, V. Singh, R. Sipos, F. W. Sippach, G. Sirri, A. Sitraka, K. Siyeon, K. Skarpaas VIII, A. Smith, E. Smith, P. Smith, J. Smolik, M. Smy, E. L. Snider, P. Snopok, M. Soares Nunes, H. Sobel, M. Soderberg, C. J. Solano Salinas, S. Söldner-Rembold, S. Soleti, N. Solomey, V. Solovov, W. E. Sondheim, M. Sorel, J. Soto-Oton, A. Sousa, K. Soustruznik, F. Spagliardi, M. Spanu, J. Spitz, N. J. C. Spooner, K. Spurgeon, R. Staley, M. Stancari, L. Stanco, R. Stanley, R. Stein, H. M. Steiner, J. Stewart, B. Stillwell, J. Stock, F. Stocker, T. Stokes, M. Strait, T. Strauss, S. Striganov, A. Stuart, J. G. Suarez, H. Sullivan, D. Summers, A. Surdo, V. Susic, L. Suter, C. M. Sutera, R. Svoboda, B. Szczerbinska, A. M. Szelc, R. Talaga, H. A. Tanaka, B. Tapia Oregui, A. Tapper, S. Tariq, E. Tatar, R. Tayloe, A. M. Teklu, M. Tenti, K. Terao, C. A. Ternes, F. Terranova, G. Testera, A. Thea, J. L. Thompson, C. Thorn, S. C. Timm, J. Todd, A. Tonazzo, D. Torbunov, M. Torti, M. Tortola, F. Tortorici, D. Totani, M. Toups, C. Touramanis, N. Tosi, R. Travaglini, J. Trevor, S. Trilov, W. H. Trzaska, Y. T. Tsai, Z. Tsamalaidze, K. V. Tsang, N. Tsverava, S. Tufanli, C. Tull, E. Tyley, M. Tzanov, M. A. Uchida, J. Urheim, T. Usher, S. Uzunyan, M. R. Vagins, P. Vahle, G. A. Valdiviesso, E. Valencia, P. Valerio, Z. Vallari, J. W. F. Valle, S. Vallecorsa, R. Van Berg, R. G. Van de Water, F. Varanini, D. Vargas, G. Varner, J. Vasel, S. Vasina, G. Vasseur, N. Vaughan, K. Vaziri, S. Ventura, A. Verdugo, S. Vergani, M. A. Vermeulen, M. Verzocchi, M. Vicenzi, H. Vieira de Souza, C. Vignoli, C. Vilela, B. Viren, T. Vrba, T. Wachala, A. V. Waldron, M. Wallbank, H. Wang, J. Wang, L. Wang, M. H. L. S. Wang, Y. Wang, K. Warburton, D. Warner, M. Wascko, D. Waters, A. Watson, P. Weatherly, A. Weber, M. Weber, H. Wei, A. Weinstein, D. Wenman, M. Wetstein, A. White, L. H. Whitehead, D. Whittington, M. J. Wilking, C. Wilkinson, Z. Williams, F. Wilson, R. J. Wilson, J. Wolcott, T. Wongjirad, A. Wood, K. Wood, E. Worcester, M. Worcester, C. Wret, W. Wu, Y. Xiao, E. Yandel, G. Yang, K. Yang, S. Yang, T. Yang, A. Yankelevich, N. Yershov, K. Yonehara, T. Young, B. Yu, H. Yu, J. Yu, W. Yuan, R. Zaki, J. Zalesak, L. Zambelli, B. Zamorano, A. Zani, L. Zazueta, G. Zeit, G. P. Zeller, J. Zennamo, K. Zeug, C. Zhang, M. Zhao, E. Zhivun, G. Zhu, P. Zilberman, E. D. Zimmerman, M. Zito, S. Zucchelli, J. Zuklin, V. Zutshi, R. Zwaska, and On behalf of the DUNE Collaboration
Subjects: neutrino, near detector, neutrino oscillations, Deep Underground Neutrino Experiment, DUNE, Physics, QC1-999, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: The Deep Underground Neutrino Experiment (DUNE) is an international, world-class experiment aimed at exploring fundamental questions about the universe that are at the forefront of astrophysics and particle physics research. DUNE will study questions pertaining to the preponderance of matter over antimatter in the early universe, the dynamics of supernovae, the subtleties of neutrino interaction physics, and a number of beyond the Standard Model topics accessible in a powerful neutrino beam. A critical component of the DUNE physics program involves the study of changes in a powerful beam of neutrinos, i.e., neutrino oscillations, as the neutrinos propagate a long distance. The experiment consists of a near detector, sited close to the source of the beam, and a far detector, sited along the beam at a large distance. This document, the DUNE Near Detector Conceptual Design Report (CDR), describes the design of the DUNE near detector and the science program that drives the design and technology choices. The goals and requirements underlying the design, along with projected performance are given. It serves as a starting point for a more detailed design that will be described in future documents.
Published: 2021
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2. Evidence for a mixed mass composition at the ‘ankle’ in the cosmic-ray spectrum

Author: A. Aab, P. Abreu, M. Aglietta, E.J. Ahn, I. Al Samarai, I.F.M. Albuquerque, I. Allekotte, P. Allison, A. Almela, J. Alvarez Castillo, J. Alvarez-Muñiz, M. Ambrosio, G.A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, F. Arqueros, N. Arsene, H. Asorey, P. Assis, J. Aublin, G. Avila, A.M. Badescu, A. Balaceanu, C. Baus, J.J. Beatty, K.H. Becker, J.A. Bellido, C. Berat, M.E. Bertaina, P.L. Biermann, P. Billoir, J. Biteau, S.G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Boháčová, D. Boncioli, C. Bonifazi, N. Borodai, A.M. Botti, J. Brack, I. Brancus, T. Bretz, A. Bridgeman, F.L. Briechle, P. Buchholz, A. Bueno, S. Buitink, M. Buscemi, K.S. Caballero-Mora, B. Caccianiga, L. Caccianiga, A. Cancio, F. Canfora, L. Caramete, R. Caruso, A. Castellina, G. Cataldi, L. Cazon, R. Cester, A.G. Chavez, A. Chiavassa, J.A. Chinellato, J. Chudoba, R.W. Clay, R. Colalillo, A. Coleman, L. Collica, M.R. Coluccia, R. Conceição, F. Contreras, M.J. Cooper, S. Coutu, C.E. Covault, J. Cronin, R. Dallier, S. D'Amico, B. Daniel, S. Dasso, K. Daumiller, B.R. Dawson, R.M. de Almeida, S.J. de Jong, G. De Mauro, J.R.T. de Mello Neto, I. De Mitri, J. de Oliveira, V. de Souza, J. Debatin, L. del Peral, O. Deligny, C. Di Giulio, A. Di Matteo, M.L. Díaz Castro, F. Diogo, C. Dobrigkeit, J.C. D'Olivo, A. Dorofeev, R.C. dos Anjos, M.T. Dova, A. Dundovic, J. Ebr, R. Engel, M. Erdmann, M. Erfani, C.O. Escobar, J. Espadanal, A. Etchegoyen, H. Falcke, K. Fang, G. Farrar, A.C. Fauth, N. Fazzini, B. Fick, J.M. Figueira, A. Filevich, A. Filipčič, O. Fratu, M.M. Freire, T. Fujii, A. Fuster, B. García, D. Garcia-Pinto, F. Gaté, H. Gemmeke, A. Gherghel-Lascu, P.L. Ghia, U. Giaccari, M. Giammarchi, M. Giller, D. Głas, C. Glaser, H. Glass, G. Golup, M. Gómez Berisso, P.F. Gómez Vitale, N. González, B. Gookin, J. Gordon, A. Gorgi, P. Gorham, P. Gouffon, A.F. Grillo, T.D. Grubb, F. Guarino, G.P. Guedes, M.R. Hampel, P. Hansen, D. Harari, T.A. Harrison, J.L. Harton, Q. Hasankiadeh, A. Haungs, T. Hebbeker, D. Heck, P. Heimann, A.E. Herve, G.C. Hill, C. Hojvat, E. Holt, P. Homola, J.R. Hörandel, P. Horvath, M. Hrabovský, T. Huege, J. Hulsman, A. Insolia, P.G. Isar, I. Jandt, S. Jansen, J.A. Johnsen, M. Josebachuili, A. Kääpä, O. Kambeitz, K.H. Kampert, P. Kasper, I. Katkov, B. Keilhauer, E. Kemp, R.M. Kieckhafer, H.O. Klages, M. Kleifges, J. Kleinfeller, R. Krause, N. Krohm, D. Kuempel, G. Kukec Mezek, N. Kunka, A. Kuotb Awad, D. LaHurd, L. Latronico, M. Lauscher, P. Lautridou, P. Lebrun, R. Legumina, M.A. Leigui de Oliveira, A. Letessier-Selvon, I. Lhenry-Yvon, K. Link, L. Lopes, R. López, A. López Casado, Q. Luce, A. Lucero, M. Malacari, M. Mallamaci, D. Mandat, P. Mantsch, A.G. Mariazzi, I.C. Mariş, G. Marsella, D. Martello, H. Martinez, O. Martínez Bravo, J.J. Masías Meza, H.J. Mathes, S. Mathys, J. Matthews, J.A.J. Matthews, G. Matthiae, E. Mayotte, P.O. Mazur, C. Medina, G. Medina-Tanco, D. Melo, A. Menshikov, S. Messina, M.I. Micheletti, L. Middendorf, I.A. Minaya, L. Miramonti, B. Mitrica, D. Mockler, L. Molina-Bueno, S. Mollerach, F. Montanet, C. Morello, M. Mostafá, G. Müller, M.A. Muller, S. Müller, I. Naranjo, S. Navas, L. Nellen, J. Neuser, P.H. Nguyen, M. Niculescu-Oglinzanu, M. Niechciol, L. Niemietz, T. Niggemann, D. Nitz, D. Nosek, V. Novotny, H. Nožka, L.A. Núñez, L. Ochilo, F. Oikonomou, A. Olinto, D. Pakk Selmi-Dei, M. Palatka, J. Pallotta, P. Papenbreer, G. Parente, A. Parra, T. Paul, M. Pech, F. Pedreira, J. Pȩkala, R. Pelayo, J. Peña-Rodriguez, L.A.S. Pereira, L. Perrone, C. Peters, S. Petrera, J. Phuntsok, R. Piegaia, T. Pierog, P. Pieroni, M. Pimenta, V. Pirronello, M. Platino, M. Plum, C. Porowski, R.R. Prado, P. Privitera, M. Prouza, E.J. Quel, S. Querchfeld, S. Quinn, R. Ramos-Pollant, J. Rautenberg, O. Ravel, D. Ravignani, D. Reinert, B. Revenu, J. Ridky, M. Risse, P. Ristori, V. Rizi, W. Rodrigues de Carvalho, G. Rodriguez Fernandez, J. Rodriguez Rojo, M.D. Rodríguez-Frías, D. Rogozin, J. Rosado, M. Roth, E. Roulet, A.C. Rovero, S.J. Saffi, A. Saftoiu, H. Salazar, A. Saleh, F. Salesa Greus, G. Salina, J.D. Sanabria Gomez, F. Sánchez, P. Sanchez-Lucas, E.M. Santos, E. Santos, F. Sarazin, B. Sarkar, R. Sarmento, C. Sarmiento-Cano, R. Sato, C. Scarso, M. Schauer, V. Scherini, H. Schieler, D. Schmidt, O. Scholten, P. Schovánek, F.G. Schröder, A. Schulz, J. Schulz, J. Schumacher, S.J. Sciutto, A. Segreto, M. Settimo, A. Shadkam, R.C. Shellard, G. Sigl, G. Silli, O. Sima, A. Śmiałkowski, R. Šmída, G.R. Snow, P. Sommers, S. Sonntag, J. Sorokin, R. Squartini, D. Stanca, S. Stanič, J. Stasielak, F. Strafella, F. Suarez, M. Suarez Durán, T. Sudholz, T. Suomijärvi, A.D. Supanitsky, M.S. Sutherland, J. Swain, Z. Szadkowski, O.A. Taborda, A. Tapia, A. Tepe, V.M. Theodoro, C. Timmermans, C.J. Todero Peixoto, L. Tomankova, B. Tomé, A. Tonachini, G. Torralba Elipe, D. Torres Machado, M. Torri, P. Travnicek, M. Trini, R. Ulrich, M. Unger, M. Urban, A. Valbuena-Delgado, J.F. Valdés Galicia, I. Valiño, L. Valore, G. van Aar, P. van Bodegom, A.M. van den Berg, A. van Vliet, E. Varela, B. Vargas Cárdenas, G. Varner, J.R. Vázquez, R.A. Vázquez, D. Veberič, V. Verzi, J. Vicha, L. Villaseñor, S. Vorobiov, H. Wahlberg, O. Wainberg, D. Walz, A.A. Watson, M. Weber, A. Weindl, L. Wiencke, H. Wilczyński, T. Winchen, D. Wittkowski, B. Wundheiler, S. Wykes, L. Yang, D. Yelos, P. Younk, A. Yushkov, E. Zas, D. Zavrtanik, M. Zavrtanik, A. Zepeda, B. Zimmermann, M. Ziolkowski, Z. Zong, and F. Zuccarello
Subjects: Physics, QC1-999
Abstract: We report a first measurement for ultrahigh energy cosmic rays of the correlation between the depth of shower maximum and the signal in the water Cherenkov stations of air-showers registered simultaneously by the fluorescence and the surface detectors of the Pierre Auger Observatory. Such a correlation measurement is a unique feature of a hybrid air-shower observatory with sensitivity to both the electromagnetic and muonic components. It allows an accurate determination of the spread of primary masses in the cosmic-ray flux. Up till now, constraints on the spread of primary masses have been dominated by systematic uncertainties. The present correlation measurement is not affected by systematics in the measurement of the depth of shower maximum or the signal in the water Cherenkov stations. The analysis relies on general characteristics of air showers and is thus robust also with respect to uncertainties in hadronic event generators. The observed correlation in the energy range around the ‘ankle’ at lg⁡(E/eV)=18.5–19.0 differs significantly from expectations for pure primary cosmic-ray compositions. A light composition made up of proton and helium only is equally inconsistent with observations. The data are explained well by a mixed composition including nuclei with mass A>4. Scenarios such as the proton dip model, with almost pure compositions, are thus disfavored as the sole explanation of the ultrahigh-energy cosmic-ray flux at Earth. Keywords: Pierre Auger Observatory, Cosmic rays, Mass composition, Ankle
Published: 2016
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3. Measurement of D0–D‾0 mixing and search for CP violation in D0→K+K−,π+π− decays with the full Belle data set

Author: M. Starič, A. Abdesselam, I. Adachi, H. Aihara, K. Arinstein, D.M. Asner, T. Aushev, R. Ayad, T. Aziz, V. Babu, I. Badhrees, S. Bahinipati, A.M. Bakich, V. Bansal, J. Biswal, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T.E. Browder, D. Červenkov, V. Chekelian, A. Chen, B.G. Cheon, K. Chilikin, R. Chistov, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J.E. Fast, T. Ferber, B.G. Fulsom, V. Gaur, N. Gabyshev, S. Ganguly, A. Garmash, R. Gillard, R. Glattauer, Y.M. Goh, P. Goldenzweig, B. Golob, J. Grygier, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, X.H. He, W.-S. Hou, C.-L. Hsu, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, I. Jaegle, D. Joffe, T. Julius, K.H. Kang, T. Kawasaki, T. Keck, C. Kiesling, D.Y. Kim, J.B. Kim, J.H. Kim, M.J. Kim, S.H. Kim, Y.J. Kim, K. Kinoshita, B.R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kumita, A. Kuzmin, Y.-J. Kwon, J.S. Lange, I.S. Lee, P. Lewis, Y. Li, L. Li Gioi, J. Libby, D. Liventsev, P. Lukin, M. Masuda, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, G.B. Mohanty, A. Moll, H.K. Moon, R. Mussa, M. Nakao, T. Nanut, Z. Natkaniec, N.K. Nisar, S. Nishida, S. Ogawa, S. Okuno, P. Pakhlov, G. Pakhlova, B. Pal, C.W. Park, H. Park, T.K. Pedlar, L. Pesántez, R. Pestotnik, M. Petrič, L.E. Piilonen, E. Ribežl, M. Ritter, A. Rostomyan, Y. Sakai, S. Sandilya, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, A.J. Schwartz, K. Senyo, V. Shebalin, C.P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, F. Simon, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Steder, M. Sumihama, U. Tamponi, Y. Teramoto, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, V. Vorobyev, M.N. Wagner, C.H. Wang, M.-Z. Wang, P. Wang, X.L. Wang, M. Watanabe, Y. Watanabe, K.M. Williams, E. Won, S. Yashchenko, Y. Yook, C.Z. Yuan, Z.P. Zhang, V. Zhilich, V. Zhulanov, M. Ziegler, and A. Zupanc
Subjects: Charm mesons, Mixing, CP violation, Physics, QC1-999
Abstract: We report an improved measurement of D0–D‾0 mixing and a search for CP violation in D0 decays to CP-even final states K+K− and π+π−. The measurement is based on the final Belle data sample of 976 fb−1. The results are yCP=(1.11±0.22±0.09)% and AΓ=(−0.03±0.20±0.07)%, where the first uncertainty is statistical and the second is systematic.
Published: 2016
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4. Measurements of partial branching fractions of inclusive B→Xuℓ+νℓ decays with hadronic tagging

Author: M. Uchida, L. K. Li, G. De Nardo, M. T. Hedges, T. Matsuda, T. Pang, S. Uno, R. Itoh, S Choudhury, G. Bonvicini, A. Rostomyan, Zhukova, S. Cunliffe, B. G. Fulsom, D. Ferlewicz, A. Vinokurova, S. Dubey, S. Al Said, D. Matvienko, Y Choi, Pavel Krokovny, Florian Urs Bernlochner, C. Kiesling, M. Bračko, M Merola, K. H. Kang, B. H. Kim, C. Z. Yuan, K. Miyabayashi, Popov, Samo Korpar, Steve K. Choi, S Ogawa, Deepak Kumar Sahoo, J. MacNaughton, T. Kawasaki, R. Mussa, H. B. Jeon, A. Ishikawa, M. Nakao, W. S. Hou, Alexei Kuzmin, GB Mohanty, Yongsun Kim, K. Lalwani, S-H Park, M. Takizawa, S.-J. Cho, U. Tamponi, D Cinabro, K. Trabelsi, S. Jia, E. Prencipe, E. Wang, F. Tenchini, R. Mizuk, K. Chilikin, D. Epifanov, T. Podobnik, T. Sumiyoshi, Martin Ritter, T. Sanuki, Matthias Bauer, S. Paul, C. Schwanda, L. Li Gioi, S. Pardi, C. P. Shen, S. Nishida, J. Schueler, C. MacQueen, A. J. Schwartz, T. K. Pedlar, W. B. Yan, M. Campajola, C. W. Park, E. Won, K. Kumara, K. Tanida, P. Krizan, L. Nayak, A. K. Giri, BG Cheon, G. Schnell, P. Oskin, T. Ferber, Z. Natkaniec, Andrey Sokolov, S. Wehle, R. Ayad, A. Bozek, Z. S. Stottler, K. Cho, S. E. Vahsen, X. P. Xu, T. Iijima, M. Rozanska, G. Varner, H. Atmacan, T. Uglov, M. Masuda, D. Kotchetkov, D. Červenkov, K. Nishimura, C. W. Joo, H. Kichimi, Villanueva, MH[Villanueva, M. Hernandez], A. Sangal, Phillip Urquijo, J. H. Yin, Z. J. Liptak, J. F. Strube, Zhilich, H Aihara, Rahul Kumar, T. Bilka, L. Cao, Semen Eidelman, J. Wiechczynski, M. Watanabe, F. Di Capua, A. Garmash, J. C. Dingfelder, Vorobyev, Y. Sakai, N. K. Nisar, Bhardwaj, Y. Iwasaki, Babu, P. Wang, Sudhanwa Patra, Samo Stanič, K. Lieret, J. S. Lange, I. Adachi, Bruce Yabsley, R. Kroeger, C.-L. Hsu, Y-J Kwon, D. Liventsev, DY Kim, Chekelian, Y. Jin, M. E. Sevior, I. S. Lee, A. Frey, K Kinoshita, P. Goldenzweig, M. Nayak, W. Sutcliffe, C. Sharma, Peter Kodys, W. W. Jacobs, E. Solovieva, Tagir Aushev, Y. Onuki, H. Ono, Leo Piilonen, E.-J. Jang, Zdenek Dolezal, T. Kuhr, Seongbae Yang, A. Vossen, Frank Simon, Y. Unno, H. E. Cho, N. Rout, G. Karyan, TE Browder, K. Belous, M Iwasaki, S. C. Lee, N. Dash, Y. Guan, M. Mrvar, Zhiqing Zhang, Chunjie Wang, P. Chang, P Behera, M. Niiyama, M. C. Chang, E. Waheed, Martin Florian Bessner, J. Libby, D. M. Asner, K. Hayasaka, E. Kovalenko, H Ye, S. Sandilya, Y. Seino, Shoichi Watanuki, M. Starič, K. Senyo, S. Das, Kevin Varvell, J. V. Bennett, T. Mori, Y. Usov, G. Pakhlova, S. H. Kim, J. Li, Mukesh Kumar, T. J. Moon, M. T. Prim, C. H. Li, T. Konno, H. Hayashii, Hyunyong Kim, C. H. Kim, M. Z. Wang, Felix Metzner, A. Chen, K. K. Joo, M. Shapkin, Yang Li, T. V. Dong, M. Röhrken, T. Hara, L. Santelj, Gaur, O. Hartbrich, R. Pestotnik, A. Natochii, K. Inami, A. Korobov, Savinov, Y. Yusa, R. Van Tonder, R. B. Garg, J-G Shiu, K.-H. Kim, J. Biswal, Zhulanov, C. Hadjivasiliou, P. Pakhlov, Philip Lewis, G. Russo, and H. Park
Subjects: Physics, Research program, Higher education, 010308 nuclear & particles physics, business.industry, Atomic energy, media_common.quotation_subject, Library science, 01 natural sciences, Excellence, 0103 physical sciences, media_common.cataloged_instance, European union, 010306 general physics, China, business, National laboratory, Research center, media_common
Abstract: We thank Kerstin Tackmann, Frank Tackmann, Zoltan Ligeti, Ian Stewart, Thomas Mannel, and Keri Voss for useful discussions about the subject matter of this manuscript. L. C., W. S., R. V. T., and F. B. were supported by the DFG Emmy-Noether Grant No. BE 6075/1-1. W. S. was supported by the Alexander von Humboldt Foundation. We thank the KEKB group for the excellent operation of the accelerator, the KEK cryogenics group for the efficient operation of the solenoid, and the KEK computer group and the Pacific Northwest National Laboratory (PNNL) Environmental Molecular Sciences Laboratory (EMSL) computing group for strong computing support, and the National Institute of Informatics and Science Information NETwork 5 (SINET5) for valuable network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the Promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council including Grants No. DP180102629, No. DP170102389, No. DP170102204, No. DP150103061, and No. FT130100303; Austrian Federal Ministry of Education, Science and Research (FWF) and FWF Austrian Science Fund No. P 31361-N36; the National Natural Science Foundation of China under Contracts No. 11435013, No. 11475187, No. 11521505, No. 11575017, No. 11675166, and No. 11705209; Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS), Grant No. QYZDJ-SSW-SLH011; the CAS Center for Excellence in Particle Physics (CCEPP); the Shanghai Pujiang Program under Grant No. 18PJ1401000; the Shanghai Science and Technology Committee (STCSM) under Grant No. 19ZR1403000; the Ministry of Education, Youth and Sports of the Czech Republic under Contract No. LTT17020; Horizon 2020 ERC Advanced Grant No. 884719 and ERC Starting Grant No. 947006 "InterLeptons" (European Union); the Carl Zeiss Foundation, the Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe, and the VolkswagenStiftung; the Department of Atomic Energy (Project Identification No. RTI 4002) and the Department of Science and Technology of India; the Istituto Nazionale di Fisica Nucleare of Italy; National Research Foundation (NRF) of Korea Grants No. 2016R1D1A1B01010135, No. 2016R1D1A1B02012900, No. 2018R1A2B3003643, No. 2018R1A6A1A06024970, No. 2018R1D1A1B07047294, No. 2019K1A3A7A09033840, andNo. 2019R1I1A3A01058933; Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project, the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information and KREONET/GLORIAD; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Science and Higher Education of the Russian Federation, Agreement 14.W03.31.0026, and the HSE University Basic Research Program, Moscow; University of Tabuk research Grants No. S-1440-0321, No. S-02561438, and No. S-0280-1439 (Saudi Arabia); the Slovenian Research Agency Grants No. J1-9124 and No. P1-0135; Ikerbasque, Basque Foundation for Science, Spain; the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the U.S. Department of Energy and the National Science Foundation
Published: 2021

5. Search for Bs0→η′Xss¯ at Belle using a semi-inclusive method

Author: D. M. Asner, K. Tanida, K. Hayasaka, Daniel Greenwald, S. Al Said, D. Epifanov, Soumya D. Mohanty, R. Mizuk, K. Chilikin, Y. Seino, S. E. Vahsen, J. V. Bennett, Y. Tao, F. Di Capua, M. Uchida, T. K. Pedlar, GB Mohanty, P. Wang, Shoichi Watanuki, Yongsun Kim, A. Sangal, P. Oskin, Y. Usov, L. K. Li, K. Lalwani, C. Schwanda, S. Nishida, Martin Florian Bessner, R. Kulasiri, J. Li, R. Dhamija, A. B. Kaliyar, W. B. Yan, H. Kichimi, A. Bobrov, Y. Iwasaki, L. Nayak, V. Babu, H Ye, T. J. Moon, M. T. Prim, K. Sumisawa, H. E. Cho, TE Browder, P Behera, A. K. Giri, T. Matsuda, M. T. Hedges, BG Cheon, G. Schnell, K. Nishimura, N. Rout, M. Bračko, T. Ferber, M. Masuda, S. Uno, K. Senyo, C. W. Joo, S Choudhury, G. Bonvicini, E. Prencipe, S. Das, G. Varner, R. Itoh, A. Bozek, A. Rostomyan, S. Pardi, G. Russo, S. Dubey, G. Pakhlova, S. Cunliffe, V.N. Zhilich, B. G. Fulsom, K. Gudkova, J. F. Strube, E.-J. Jang, M Merola, Y. Guan, C.-L. Hsu, Semen Eidelman, M. Nayak, J. Biswal, Y Choi, Rahul Kumar, K. Miyabayashi, Samo Korpar, S-H Park, C. Hadjivasiliou, C. Sharma, Bruce Yabsley, S. Sandilya, W. S. Hou, T. Kuhr, Pavel Krokovny, C. H. Li, A. Ishikawa, R. Van Tonder, M. Nakao, M. Takizawa, V. Gaur, R. B. Garg, B. Bhuyan, Y. Ushiroda, A. Natochii, J-G Shiu, C. MacQueen, P. Križan, M. Starič, K. Inami, Z. Doležal, D Cinabro, K. Trabelsi, J. Libby, F. Tenchini, V. Savinov, Doyen Sahoo, K. Kumara, S. H. Kim, E. Wang, J. H. Yin, S Ogawa, T. Podobnik, Tagir Aushev, Y. Onuki, Z. S. Stottler, T. Kawasaki, M. Campajola, B. Golob, N. Gabyshev, D. Červenkov, T. Sanuki, A. Garmash, N. K. Nisar, J. S. Lange, H. Hayashii, T. D. Kimmel, C. H. Kim, B. Shwartz, R. Kroeger, D. Liventsev, Y-J Kwon, Y. Jin, M. E. Sevior, P. Goldenzweig, Y. Sakai, E. Solovieva, X. P. Xu, K Kinoshita, S. Bilokin, Yang Li, Seema Bahinipati, L. Santelj, M Iwasaki, S. C. Lee, Zhiqing Zhang, Chunjie Wang, H. Ono, Leo Piilonen, Seongbae Yang, Felix Metzner, Y. Unno, DY Kim, K. K. Joo, R. Ayad, K. Cho, Victoria Zhukova, M. Shapkin, R. Pestotnik, L. Li Gioi, U. Tamponi, D. Dossett, H Aihara, and M. Watanabe
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, 01 natural sciences, Belle experiment, law.invention, Luminosity, KEKB, law, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Collider, Bar (unit)
Abstract: We report the first search for the penguin-dominated process $B_{s}^{0} \rightarrow \eta^{\prime} X_{s\bar{s}}$ using a semi-inclusive method. A 121.4 $\mathrm{fb}^{-1}$ integrated luminosity $\Upsilon(5S)$ data set collected by the Belle experiment, at the KEKB asymmetric-energy $e^+e^-$ collider, is used. We observe no statistically significant signal and including all uncertainties, we set a 90\% confidence level upper limit on the partial branching fraction at 1.4 $\times$ 10$^{-3}$ for $M(X_{s\bar{s}})$ $\leq$ 2.4 GeV/$c^{2}$.
Published: 2021

6. First determination of the spin and parity of the charmed-strange baryon Ξc(2970)+

Author: R. Mizuk, K. Chilikin, K. T. Kim, Y Choi, C. Beleño, Y. Kato, D. M. Asner, Pavel Krokovny, D. Dossett, K. Hayasaka, W. Sutcliffe, Zhukova, Y. Seino, J. Libby, D. Epifanov, K. Miyabayashi, D Cinabro, K. Trabelsi, B. Golob, A. Garmash, S. Wehle, A. Sangal, G. Varner, M. Uchida, Y. I. Kim, Leo Piilonen, C. P. Shen, F. Di Capua, H. Miyata, Takeo Kawasaki, A. K. Giri, K. Sumisawa, BG Cheon, T. J. Moon, J. S. H. Lee, N. K. Nisar, Babu, Z. Liptak, M. Niiyama, P Behera, A. Vossen, T. D. Kimmel, M. Masuda, T. K. Pedlar, S. Al Said, J. Biswal, Zhulanov, M. Nayak, P. Wang, H Aihara, L. K. Li, G. Schnell, T. V. Dong, T. Bilka, R. Kroeger, J. Schueler, Seongbae Yang, H. Ono, Saraju P. Mohanty, GB Mohanty, Vorobyev, E. Prencipe, D. Liventsev, TE Browder, P. Chang, U. Tamponi, C.-L. Hsu, K. K. Joo, S-H Park, Yongsun Kim, K. Senyo, C. Schwanda, S. Cunliffe, B. G. Fulsom, S. Jia, D. Matvienko, R. Itoh, X. P. Xu, A. Bozek, Peter Kodys, W. W. Jacobs, T. Matsuda, Zdenek Dolezal, T. Kuhr, M Iwasaki, Yang Li, S. Paul, R. Mussa, T. Ferber, Tao Luo, K. Tanida, S. K. Kim, A. Kuzmin, D. Kotchetkov, S. Uno, S Choudhury, L. Cao, S. C. Lee, M. Takizawa, C. MacQueen, G. Karyan, J. K. Ahn, L. Santelj, G. Bonvicini, Aulchenko, A. Ishikawa, M. Nakao, L. Li Gioi, John Yelton, Gaur, Samo Korpar, A. Vinokurova, S. Dubey, Y. Sakai, H. Kichimi, Rocky Bala Garg, F. Tenchini, O. Hartbrich, Zhiqing Zhang, Chunjie Wang, S. Patra, T. Podobnik, S. Pardi, T. Sumiyoshi, P. Krizan, S Ogawa, E. Wang, M. Campajola, Rakesh Kumar, M Merola, K. H. Kang, J. Wiechczynski, B.A. Shwartz, Y. Unno, Martin Ritter, R. Ayad, K. Cho, Seema Bahinipati, C. Hadjivasiliou, Bruce Yabsley, S. Nishida, G. De Nardo, M. T. Hedges, Y-J Kwon, K. Kumara, Y. Jin, T. Uglov, W-S Hou, Phillip Urquijo, M. E. Sevior, I. S. Lee, Savinov, Zhilich, P. Goldenzweig, M. Sumihama, I. Adachi, N. Dash, T. Mori, E. Solovieva, DY Kim, Semen Eidelman, J. H. Yin, G. Inguglia, K Kinoshita, R. Seidl, C. Kiesling, B. H. Kim, C. Z. Yuan, M. Bračko, Tagir Aushev, M. C. Chang, G. Pakhlova, S. K. Choi, S. Sandilya, Z. Natkaniec, S. E. Vahsen, Y. Iwasaki, S. Uehara, N. Rout, N. Gabyshev, D. Červenkov, M. Z. Wang, Martin Florian Bessner, H Ye, J. Bennett, S. H. Kim, M. Shapkin, H. Hayashii, R. Pestotnik, Dipak Kumar Sahoo, Popov, Kohei Ogawa, A. Chen, A. Natochii, K. Inami, M. T. Prim, T. Nakano, P. Pakhlov, G. Russo, H. Park, R. Van Tonder, B. Bhuyan, and J-G Shiu
Subjects: Quark, Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Parity (physics), 01 natural sciences, Baryon, KEKB, Angular distribution, Condensed Matter::Superconductivity, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: We report results from a study of the spin and parity of $\Xi_{c}(2970)^+$ using a $980~\mathrm{fb^{-1}}$ data sample collected by the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The decay angle distributions in the chain $\Xi_{c}(2970)^+ \to \Xi_c(2645)^{0}\pi^{+} \to \Xi_c^{+}\pi^{-}\pi^{+}$ are analyzed to determine the spin of this charmed-strange baryon. The angular distributions strongly favor the $\Xi_{c}(2970)^+$ spin $J =1/2$ over $3/2$ or $5/2$, under an assumption that the lowest partial wave dominates in the decay. We also measure the ratio of $\Xi_{c}(2970)^+$ decay branching fractions $R={\mathcal{B}[ \Xi_{c}(2970)^+ \to \Xi_c(2645)^{0}\pi^{+} ]} / { \mathcal{B}[ \Xi_{c}(2970)^+ \to \Xi_c^{\prime0}\pi^{+} ]} =1.67 \pm 0.29\mathrm{(stat.)}^{ +0.15}_{ -0.09}\mathrm{(syst.)} \pm 0.25\mathrm{(IS)}$, where the last uncertainty is due to possible isospin-symmetry-breaking effects. This $R$ value favors the spin-parity $J^P=1/2^+$ with the spin of the light-quark degrees of freedom $s_{l}=0$. This is the first determination of the spin and parity of a charmed-strange baryon.
Published: 2021

7. Measurement of the resonant and nonresonant branching ratios in Ξc0→Ξ0K+K−

Author: W. B. Yan, G. Schnell, M. Uchida, Z. Liptak, K Kinoshita, B. Golob, K. Tanida, A. Garmash, H. Kichimi, D. M. Asner, K. Hayasaka, G. Russo, N. K. Nisar, H. Park, K. Lieret, A. Sangal, Victoria Zhukova, M. Niiyama, F. Di Capua, H Aihara, Y. Seino, A. Rostomyan, S. Cunliffe, A. Chen, P. Wang, B. G. Fulsom, K. Adamczyk, Y-J Kwon, Y. Jin, S-H Park, M. E. Sevior, V.E. Shebalin, P. Goldenzweig, W. S. Hou, J-G Shiu, S. Uehara, N. Rout, T. Bilka, K. Senyo, N. Dash, E. Solovieva, S. Das, S. Al Said, M. Takizawa, A. Bobrov, V. Vorobyev, R. Itoh, Saraju P. Mohanty, M. T. Prim, X. P. Xu, D. Matvienko, V. Savinov, John Yelton, R. Kulasiri, M. Watanabe, M Iwasaki, Z. Doležal, Y Choi, GB Mohanty, L. Cao, Yongsun Kim, TE Browder, S. Sandilya, M. Sumihama, S. C. Lee, P. Chang, M. Kumar, A. B. Kaliyar, J. Biswal, Tomoyuki Konno, K. Lalwani, S Ogawa, C. Schwanda, J. Schueler, Samo Korpar, M. Shapkin, Zhiqing Zhang, Chunjie Wang, U. Tamponi, M. Röhrken, E. Won, S. K. Choi, M. Starič, Pavel Krokovny, A. Bozek, J. H. Yin, Tagir Aushev, V. Chekelian, Y. Onuki, B. H. Kim, E. Prencipe, S. Pardi, Y. Guan, Leo Piilonen, R. Ayad, K. Kumara, M. Nayak, R. Van Tonder, V. Gaur, K. Cho, R. Pestotnik, Seema Bahinipati, S.-J. Cho, Frank Simon, L. Li Gioi, Z. S. Stottler, V.M. Aulchenko, C. MacQueen, D Cinabro, J. K. Ahn, M. Bračko, Bruce Yabsley, Yang Li, G. Varner, M. Z. Wang, O. Grzymkowska, G. De Nardo, L. Nayak, V. Babu, V. Popov, L. Santelj, M. Campajola, S. Paul, V.N. Zhilich, T. Ferber, C. Hadjivasiliou, K. Miyabayashi, Y. Sakai, K. Gudkova, T. J. Moon, Felix Metzner, C. H. Kim, H. Atmacan, K. K. Joo, N. Gabyshev, D. Červenkov, K. Huang, Dipak Kumar Sahoo, I. Adachi, DY Kim, S. Jia, T. Matsuda, S. Uno, S Choudhury, G. Bonvicini, A. Vinokurova, M Merola, K. H. Kang, Kohei Ogawa, A. Natochii, H. Ono, K. Inami, T. K. Pedlar, L. K. Li, S. H. Kim, Y. Unno, F. Tenchini, T. Podobnik, T. Sumiyoshi, P. Oskin, H. Hayashii, Semen Eidelman, R. Kroeger, D. Liventsev, R. Mussa, H. B. Jeon, A. Ishikawa, S. Watanuki, M. Nakao, P. Križan, G. Pakhlova, J. T. McNeil, Y. Tao, J. F. Strube, E. Wang, J. Libby, A. K. Giri, BG Cheon, M. Masuda, Martin Florian Bessner, H Ye, J. Bennett, T. V. Dong, R. Mizuk, K. Chilikin, R. Dhamija, C.-L. Hsu, J. Li, C. Sharma, Peter Kodys, W. W. Jacobs, T. Kuhr, G. Karyan, P Behera, and S. Nishida
Subjects: Physics, Research program, Higher education, 010308 nuclear & particles physics, business.industry, media_common.quotation_subject, Library science, 01 natural sciences, 7. Clean energy, Chinese academy of sciences, Excellence, 0103 physical sciences, Agency (sociology), 010306 general physics, China, National laboratory, business, Research center, media_common
Abstract: We thank the KEKB group for the excellent operation of the accelerator, the KEK cryogenics group for the efficient operation of the solenoid, the KEK computer group and the Pacific Northwest National Laboratory (PNNL) Environmental Molecular Sciences Laboratory (EMSL) computing group for strong computing support, and the National Institute of Informatics and Science Information NETwork 5 (SINET5) for valuable network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the Promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council including Grants No. DP180102629, No. DP170102389, No. DP170102204, No. DP150103061, and No. FT130100303; Austrian Science Fund (FWF); the National Natural Science Foundation of China under Contracts No. 11435013, No. 11475187, No. 11521505, No. 11575017, No. 11675166, and No. 11705209; the Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS), Grant No. QYZDJ-SSW-SLH011; the CAS Center for Excellence in Particle Physics (CCEPP); the Shanghai Pujiang Program under Grant No. 18PJ1401000; the Ministry of Education, Youth, and Sports of the Czech Republic under Contract No. LTT17020; the Carl Zeiss Foundation, the Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe, and the VolkswagenStiftung; the Department of Science and Technology of India; the Istituto Nazionale di Fisica Nucleare of Italy; National Research Foundation (NRF) of Korea Grants No. 2016R1D1A1B01010135, No. 2016R1D1A1B02012900, No. 2018R1A2B3003643, No. 2018R1A6A1A06024970, No. 2018R1D1A1B070 47294, 2019K1A3A7A09033840, and No. 2019R1I1 A3A01058933; the Radiation Science Research Institute, Foreign Large-size Research Facility Application supporting project, the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information and KREONET/GLORIAD; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Science and Higher Education of the Russian Federation, Agreement No. 14.W03.31.0026; University of Tabuk Research Grants No. S-1440-0321, No. S-0256-1438, and No. S-0280-1439 (Saudi Arabia); the Slovenian Research Agency; Ikerbasque, Basque Foundation for Science, Spain; the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the United States Department of Energy and the National Science Foundation.
Published: 2021

8. Erratum: Measurement of the CKM matrix element |Vcb| from B0→D*−ℓ+νℓ at Belle [Phys. Rev. D 100 , 052007 (2019)]

Author: R. B. Garg, B. Bhuyan, J-G Shiu, Andrey Sokolov, V. Savinov, H Ye, K. Nishimura, K. Inami, D. Epifanov, M. Z. Wang, L. Li Gioi, D. Červenkov, J. Haba, S. H. Kim, S. Sandilya, Tao Luo, K. Tanida, V. Gaur, H. Hayashii, S. Pardi, C. H. Kim, Semen Eidelman, G. Schnell, T. Iijima, Victoria Zhukova, Florian Urs Bernlochner, M. Starič, A. K. Giri, A. Chen, I. Adachi, BG Cheon, J. MacNaughton, Jihwa Lee, M Iwasaki, D. Matvienko, Y Choi, S. C. Lee, M. Bračko, V. Chekelian, Zhiqing Zhang, Chunjie Wang, F. Tenchini, S. Uno, DY Kim, M. Salehi, Pavel Krokovny, S. Al Said, J. Biswal, M. Campajola, GB Mohanty, M. T. Hedges, M. Masuda, V.N. Zhilich, D. Ferlewicz, D Cinabro, Samo Korpar, T. Sumiyoshi, S Choudhury, G. Bonvicini, B. K. Pal, K. Trabelsi, Kevin Varvell, Y. Iwasaki, J. Kahn, C. Schwanda, J. E. Fast, C. P. Shen, K. Senyo, J. F. Strube, K. T. Kim, P. Pakhlov, E. Waheed, D. Dossett, Vikas Bansal, V. Babu, P. Wang, O. Schneider, A. Vinokurova, S. K. Choi, T. Sanuki, Phillip Urquijo, T. Mori, K. Miyabayashi, I. Badhrees, M Merola, Y. Usov, V.E. Shebalin, M. Nayak, Y. Sakai, H Aihara, C. H. Li, G. Russo, H. Park, S-H Park, R. Pestotnik, Samo Stanič, T. Uglov, D. M. Asner, S. Nishida, T. Bilka, K. Hayasaka, M. Takizawa, K Kinoshita, K. Lieret, R. Mizuk, R. Ayad, K. Cho, Z. S. Stottler, G. Varner, Z. Doležal, Eunil Won, K. Chilikin, Z. Natkaniec, E. Prencipe, Y-J Kwon, Y. Jin, C. Beleño, R. Kulasiri, S. Jia, Y. Seino, M. T. Prim, M. E. Sevior, P. Goldenzweig, O. Grzymkowska, G. Pakhlova, TE Browder, G. Inguglia, S. Paul, P. Chang, C.-L. Hsu, H. Ono, Peter Kodys, W. W. Jacobs, E. Solovieva, T. Kuhr, S. Di Carlo, Y. Unno, G. Karyan, M. Uchida, L. K. Li, Leo Piilonen, D. Joffe, Tagir Aushev, Seongbae Yang, A. Vossen, A. Rostomyan, S. Cunliffe, B. G. Fulsom, O. Seon, Frank Simon, Vladimir Popov, R. Mussa, P. C. Lu, H. B. Jeon, A. Ishikawa, M. Nakao, P. Križan, D. Kotchetkov, S Ogawa, T. Kawasaki, R. Kroeger, D. Liventsev, B. Shwartz, K. Adamczyk, W. S. Hou, Alexei Kuzmin, A. B. Kaliyar, J. Schueler, A. Bozek, H. Atmacan, Felix Metzner, B. Golob, A. Garmash, N. K. Nisar, J. S. Lange, K. K. Joo, Yang Li, T. V. Dong, K. J. Nath, T. Hara, Y. Yusa, M. Niiyama, J. Libby, I. Nakamura, H. Miyata, A. Bobrov, H. E. Cho, and P Behera
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Cabibbo–Kobayashi–Maskawa matrix, 0103 physical sciences, Element (category theory), 010303 astronomy & astrophysics, 01 natural sciences, Vertical bar
Published: 2021

9. Evidence for X(3872)→J/ψπ+π− Produced in Single-Tag Two-Photon Interactions

Author: R. Mussa, G.V. Russo, A. Ishikawa, W. S. Hou, Y. Seino, S. Jia, G. Inguglia, T. Matsuda, M. Nakao, C. MacQueen, B. Bhuyan, P. Chang, P. Križan, Somnath Choudhury, G. Bonvicini, Iki Adachi, A. Vinokurova, J. G. Shiu, V. Savinov, M. Campajola, S. Pardi, Doo Young Kim, H. Aihara, A. B. Kaliyar, O. Hartbrich, J. Kahn, C.-L. Hsu, J. Schueler, Y. Teramoto, Bruce Yabsley, D. Liventsev, B. H. Kim, J. Libby, D. M. Asner, K. Hayasaka, Rakesh Kumar, Peter Kodys, M. T. Prim, Takeo Kawasaki, V. Gaur, W. W. Jacobs, K. H. Kang, V.N. Zhilich, Y. Kato, W. Sutcliffe, A. Sangal, X. L. Wang, T. Uglov, V. Chekelian, G. B. Mohanty, S. Sandilya, T. Mori, G. Karyan, S. Cunliffe, K. Miyabayashi, G. Varner, M. Shapkin, Y. Usov, R. Van Tonder, M. C. Chang, A. K. Giri, M. Takizawa, R. Ayad, K. Cho, Jyoti Prakash Biswal, G. De Nardo, M. T. Hedges, T. K. Pedlar, N. K. Nisar, M. Iwasaki, Pavel Krokovny, K. Senyo, A. Garmash, M. Masuda, G. Schnell, T. Iijima, J. S. Lange, M. Starič, T. Bilka, Semen Eidelman, E. Nakano, Vladimir Zhulanov, R. Kroeger, M. Watanabe, B. G. Cheon, T. E. Browder, T. V. Dong, E. Won, R. Pestotnik, M. E. Sevior, I. S. Lee, T. D. Kimmel, A. Kuzmin, E.-J. Jang, P. Goldenzweig, S. Ogawa, E. Prencipe, L. K. Li, C. W. Joo, U. Tamponi, Shih-Chang Lee, T. Kuhr, Tao Luo, S.-J. Cho, K. Chilikin, K. Sumisawa, Daniel Greenwald, F. Tenchini, Y. Iwasaki, Y. J. Kwon, J. H. Yin, C. Kiesling, Seongbae Yang, H. Ono, C. Beleño, E. Waheed, N. Rout, V. Vorobyev, H. Miyata, T. J. Moon, Prafulla Kumar Behera, H. Hayashii, B. G. Fulsom, E. Wang, T. Podobnik, T. Sumiyoshi, H. Park, A. Bozek, D. Matvienko, M. Hernandez Villanueva, M. Merola, Y. Jin, C. H. Wang, S. Paul, H. Kichimi, S. Al Said, Martin Ritter, Tagir Aushev, V. Zhukova, Y. Onuki, Y. Unno, J. Bennett, Z. P. Zhang, H. Ye, M. Bračko, M. Z. Wang, K. Kinoshita, M. Nayak, T. Sanuki, S. Korpar, Saraju P. Mohanty, Seok Kim, D. Kotchetkov, T. Hara, M. Mrvar, Yongsun Kim, H. Atmacan, K. K. Joo, A. Chen, V. Babu, K. Lalwani, Dipak Kumar Sahoo, S. Uno, C. Schwanda, D. Cinabro, H. Nakazawa, Rocky Bala Garg, T. Ferber, Sadaharu Uehara, R. Kulasiri, Phillip Urquijo, Kohei Ogawa, A. Natochii, M. Sumihama, K. Inami, Y. B. Li, Y. Choi, V. Popov, L. Santelj, C. Hadjivasiliou, Y. Sakai, N. Gabyshev, D. Červenkov, G. Pakhlova, L. Li Gioi, P. L. Wang, K. Kumara, M. Uchida, Z. S. Stottler, V. Bhardwaj, Z. Liptak, R. Itoh, A. Rostomyan, Seokhee Park, F. Di Capua, P. Pakhlov, S. Nishida, Z. Natkaniec, P. Lewis, Leo Piilonen, X. P. Xu, K. Lieret, E. Solovieva, John Yelton, Z. Doležal, J. B. Singh, S. K. Choi, V. Shebalin, and S. Patra
Subjects: Physics, Particle physics, Meson, General Physics and Astronomy, Virtual particle, Electron, State (functional analysis), 01 natural sciences, law.invention, KEKB, law, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Collider, X(3872)
Abstract: We report the first evidence for $X(3872)$ production in two-photon interactions by tagging either the electron or the position in the final state, exploring the highly virtual photon region. The search is performed in $e^+e^- \rightarrow e^+e^-J/\psi\pi^+\pi^-$, using 825 fb$^{-1}$ of data collected by the Belle detector operated at the KEKB $e^+e^-$ collider. We observe three $X(3872)$ candidates with an expected background of $0.11\pm 0.10$ events, with a significance of 3.2$\sigma$. We obtain an estimated value for $\tilde{\Gamma}_{\gamma\gamma}{\cal B}(X(3872)\rightarrow J/\psi\pi^+\pi^-$) assuming the $Q^2$ dependence predicted by a $c\bar{c}$ meson model, where $-Q^2$ is the invariant mass-squared of the virtual photon. No $X(3915)\rightarrow J/\psi\pi^+\pi^-$ candidates are found.
Published: 2021

10. Measurement of the charm-mixing parameter yCP in D0→KS0ω decays at Belle

Author: Kang K.H, Kiyoshi Tanida, Sevior M.E, Shebalin, ervenkov D, Popov, K. Lieret, M. Ritter, Zhilich, Wang M.-Z., L. Cao, Y. Ushiroda, F. Tenchini, J. Bennett, R. Itoh, Semen Eidelman, M. Campajola, Ogawa K, N. Rout, N. Gabyshev, Stottler Z.S, Jyoti Prakash Biswal, Resmi P.K, M. Iwasaki, M. Watanabe, E. Prencipe, Kaliyar A.B, M. Uchida, Li L. K., G. Karyan, Stari M, Y. Unno, Kim S.H, Kim D.Y, Tagir Aushev, A. Vinokurova, Hou W.-S., G. Inguglia, A. Rostomyan, K. Chilikin, Park S.-H., D. Liventsev, Mohanty G.B, Prim M.T, G. Russo, S. Sandilya, R. Pestotnik, M. Nayak, D. Matvienko, H. Atmacan, Dole al Z, Bra ko M, R. Mussa, B. Bhuyan, Nisar N.K, Di Capua F, De Nardo G, M. Merola, Zhukova, D. Ferlewicz, A. Chen, Wang C.H, Browder T.E, Jeon H.B, T. Sanuki, Joo K.K, Samo Korpar, P. Goldenzweig, Jacobs W.W, P. Urquijo, Choi S.-K., D. Kotchetkov, Babu, P. Wang, Zhulanov, Asner D.M, S. Jia, Moon T.J, E. Won, H. Ono, Shiu J.-G, G. Pakhlova, Li Y. B., A. Ishikawa, P. Pakhlov, Kwon Y.-J., D. Epifanov, H. Park, Y. Seino, M. Nakao, C. Kiesling, S. Cunliffe, A. Garmash, Wang X.L, H. Aihara, Cheon B.G, S. Nishida, M. Niiyama, Pavel Krokovny, Di Carlo S, K. Nishimura, U. Tamponi, Yang S.B, T. Ferber, M. Masuda, Z. Natkaniec, Kim C.H, Dong T.V, Al Said S, Bhardwaj, Varvell K.E, K. Trabelsi, Li Gioi L, Y. Usov, A. Sokolov, M. Takizawa, S. Ogawa, O. Grzymkowska, G. Varner, Pedlar T.K, J. Libby, R. Kroeger, R. Ayad, T. Sumiyoshi, Schwartz A.J, T. Kuhr, Fulsom B.G, Y. Sakai, Gaur, Sayantan Choudhury, Prafulla Kumar Behera, Y. Choi, C. Schwanda, G. Bonvicini, D. Cinabro, T. Uglov, Lee S.C, Sudhanwa Patra, K. Senyo, Anjan K. Giri, H. Ye, Y. Iwasaki, Van Tonder R, Kri an P, T. Hara, Zhang Z.P, Y. Jin, A. Vossen, K. Miyabayashi, T. Matsuda, S. Paul, T. Kawasaki, Hsu C.-L., J. Schueler, A. Bozek, Piilonen L.E, N. Dash, E. Solovieva, Cho H.E, K. Hayasaka, S. Uno, S. Pardi, R. Garg, Xun-Jie Xu, B. Golob, Dipak Kumar Sahoo, O. Schneider, Strube J.F, R. Mizuk, Rajesh Kumar, K. Inami, T. Podobnik, S. Bahinipati, Savinov, Iki Adachi, Stani S, G. Schnell, Kim B.H, K. Cho, Fast J.E, and H. Hayashii
Subjects: Physics, Event selection, Particle physics, Annihilation, 010308 nuclear & particles physics, 0103 physical sciences, Charm (quantum number), State (functional analysis), 010306 general physics, 01 natural sciences, Mixing (physics), Energy (signal processing)
Abstract: We report the first measurement of the charm-mixing parameter y$_{CP}$ in D$^{0}$ decays to the CP-odd final state K0¦Sω. The study uses the full Belle e$^{+}$e$^{-}$ annihilation data sample of 976 fb$^{-1}$ taken at or near the Υ(4S) centre-of-mass energy. We find y$_{CP}$=(0.96±0.91±0.62(+0.17)¦(-0.00))%, where the first uncertainty is statistical, the second is systematic due to event selection and background, and the last is due to possible presence of CP-even decays in the data sample.
Published: 2020

11. Search for Axionlike Particles Produced in e+e− Collisions at Belle II

Author: C. Rosenfeld, R. M. Seddon, S. H. Robertson, H. Ye, S. Kohani, Martin Florian Bessner, Shuji Tanaka, R. Mussa, H. M. Wakeling, J. Serrano, R. Rasheed, H. Svidras, A. Ishikawa, M. Nakao, R. Mizuk, J. Bennett, Kevin Varvell, F. Meggendorfer, M. Reif, L. Zani, D. M. Asner, K. Hayasaka, X. L. Wang, K. Kumara, Z. S. Stottler, V. Chekelian, D. Rodríguez Pérez, K. Chilikin, Richard Peschke, A. Pathak, S. E. Vahsen, D. Tonelli, C. H. Li, E. De La Cruz-Burelo, P. Križan, Ashlie Martini, I. M. Peruzzi, M. De Nuccio, R. Van Tonder, C. H. Kim, H. Aihara, D. Greenwald, F. Müller, C. MacQueen, M. Takizawa, Claudia Cecchi, G. De Nardo, M. T. Hedges, P. Pakhlov, D. Matvienko, B. Spruck, Seokhee Park, Samo Korpar, S. Nishida, A. Sibidanov, Yukinori Sato, Carlos Marinas, M. Hoek, E. J. Jang, F. Bianchi, L. Santelj, Tao Luo, K. Dort, Hitoshi Hirata, Yoshinobu Unno, F. Tenchini, N. Akopov, J. G. Shiu, S. H. Kim, Yongsun Kim, K. Tanida, A. Gaz, J. Baudot, Z. Doležal, A. J. Schwartz, T. Sumiyoshi, C. Kleinwort, C. Wessel, V. Babu, H. Park, H. Nakazawa, B. Gobbo, H. Ono, Florian Urs Bernlochner, C. Schwanda, L. J. Wu, C. Kiesling, Martin Ritter, Dmytro Levit, Elisa Manoni, S. Jia, D. E. Jaffe, A. K. Giri, Abner Soffer, S. Marcello, Soumen Paul, Makoto Tabata, Jakub Kandra, Phillip Urquijo, M. Uchida, K. Chirapatpimol, S. Reiter, S. Watanuki, W. B. Yan, G. De Pietro, E. C. Hill, Semen Eidelman, Felix Metzner, K. Lieret, H. Windel, N. Rout, M. Masuda, B. Scavino, V. Gaur, G. Rizzo, P. Oskin, V. Bhardwaj, M. Bračko, M. Destefanis, L. Li Gioi, Michael Ritzert, T. E. Browder, Marco Milesi, M. Piccolo, E. Ganiev, T. Ferber, A. Garmash, L. Corona, S. J. Cho, M. Campajola, Tagir Aushev, S. Kurz, S. Wehle, U. Gebauer, S. Halder, Y. Ushiroda, Rocky Bala Garg, C. W. Joo, A. Gellrich, S. Bussino, C. Z. Yuan, P. Leitl, F. Dattola, T. V. Dong, D. Liventsev, H. Hayashii, V. Savinov, Y. Maeda, H. Kichimi, M. Welsch, Concettina Sfienti, T. M. G. Kraetzschmar, E. Prencipe, M. Yonenaga, T. Bilka, G. Varner, W. Gradl, Ya-Qiu Jin, R. de Sangro, C. Niebuhr, R. Stroili, T. K. Pedlar, Y. Seino, S. Ogawa, B. G. Cheon, Z. J. Liptak, N. Rad, M. Watanabe, E. Torassa, H. Ozaki, Paul Jackson, Yang Li, M. Wakai, C. Hadjivasiliou, L. M. Cremaldi, L. K. Li, Q. D. Zhou, A. Sangal, A. Rostomyan, J. Wiechczynski, I. Ripp-Baudot, V. Popov, E. Waheed, M. V. Purohit, N. Dash, E. Solovieva, M. Hohmann, A. Selce, T. Kuhr, S. Sandilya, U. Tamponi, E. Paoloni, S. Cunliffe, C.-L. Hsu, Seongbae Yang, C. La Licata, R. Itoh, B. G. Fulsom, A. Hershenhorn, K. Cho, Seema Bahinipati, A. Fodor, S. Bilokin, M. C. Chang, Antonio Budano, D. A. Sanders, G. Dujany, S. Patra, Q. Y. Liu, C. Miller, Y. Sakai, H. G. Moser, M. Z. Wang, K. Kinoshita, A. Panta, Nils Braun, Y-J Kwon, M. Merola, T. Geßler, Pavel Krokovny, D. Dossett, O. Hartbrich, S. Lacaprara, Leo Piilonen, K. Trabelsi, A. Paladino, M. Starič, S. K. Choi, Enrico Bernieri, P. Lewis, S. C. Lee, P. Taras, S. Uno, A. Passeri, I. Komarov, Peter Kodys, W. W. Jacobs, H. Tanigawa, S. Pardi, T. Koga, Kodai Matsuoka, Sw. Banerjee, F. Forti, G. B. Mohanty, Alberto Aloisio, Y. Yusa, A. De Yta-Hernandez, M. Hernandez Villanueva, Y. Kato, D. Ferlewicz, Doo Young Kim, I. Adachi, G. Polat, G. Casarosa, M. Mrvar, M. Bertemes, T. Uglov, M. E. Sevior, I. S. Lee, P. Goldenzweig, S. Fiore, Victoria Zhukova, M. H. A. Nouxman, L. Lanceri, W. Sutcliffe, R. Cheaib, Frank Simon, Yi Fan Hu, A. Vinokurova, R. Manfredi, I. Heredia-De La Cruz, G. Inguglia, N. Anh Ky, P. Branchini, C. H. Wang, E. Graziani, C. Hearty, G. Karyan, P. Gomis, J. F. Strube, D. Červenkov, Sunil Bansal, K. Senyo, D. Biswas, Rakesh Kumar, K. Miyabayashi, D. J. Summers, A. B. Kaliyar, S. Spataro, R. J. Sobie, John Webb, X. P. Xu, L. Vitale, E. Won, Takuya Higuchi, V. Aushev, M. T. Prim, S. Baehr, H. J. Kim, Stefano Longo, Dipak Kumar Sahoo, P. Bambade, Andreas Warburton, F. Meier, Bruce Yabsley, M. Remnev, K. Azmi, F. Abudinén, B. Golob, N. K. Nisar, J. S. Lange, T. D. Kimmel, S. Stefkova, D. Cinabro, R. Giordano, Jürgen Becker, P. Chang, M. Kumar, B. Paschen, Kohei Ogawa, F. Di Capua, A. Natochii, K. Inami, K. Unger, S. Bettarini, J. Libby, I. Nakamura, J. M. Roney, F. Ameli, M. Sumihama, C. Praz, R. Godang, Prafulla Kumar Behera, J. Irakkathil Jabbar, H. E. Cho, and Pere Rados
Subjects: Physics, Range (particle radiation), Particle physics, Gauge boson, Luminosity (scattering theory), Photon, 010308 nuclear & particles physics, General Physics and Astronomy, 01 natural sciences, law.invention, Standard Model, Pseudoscalar, Direct production, law, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Collider
Abstract: We present a search for the direct production of a light pseudoscalar a decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process e+e-→γa, a→γγ in the mass range 0.2
Published: 2020

12. Search for B0 decays to invisible final states ( +γ ) at Belle

Author: K. Arinstein, J. Libby, Y. Chao, S. Nishida, A.E. Bondar, Y. Teramoto, C. Ng, K. Senyo, K. Miyabayashi, V. Chekelian, Z. P. Zhang, V. Gaur, M. Shapkin, A.L. Sibidanov, Y. Choi, Z. Doležal, H. O. Kim, S. Uno, Sunmin Ryu, Norihito Muramatsu, E. Nakano, B.A. Shwartz, E. Solovieva, K. T. Kim, H. Miyata, M. Bischofberger, Toru Iijima, T. E. Browder, M. C. Chang, T. Iwashita, G. Varner, Y. Hoshi, R. Gillard, D. M. Asner, G. Tatishvili, Hitoshi Yamamoto, P. Vanhoefer, Peter Kodys, M. Röhrken, K. Chilikin, J. B. Singh, K. Hayasaka, S. E. Vahsen, Jochen Dingfelder, A. Ishikawa, M. Nakao, H. Farhat, C. W. Park, Vladimir Zhulanov, E. Won, H. K. Park, J. Dalseno, Leo Piilonen, M. Iwabuchi, M. E. Sevior, A. Kuzmin, Y. Iwasaki, V. Zhilich, W. S. Hou, O. Schneider, R. Louvot, Frank Simon, H. Park, A. Bozek, Phillip Urquijo, G. B. Mohanty, S. Okuno, Peter Kvasnicka, R. Pestotnik, T. Kawasaki, H. J. Kim, M. Ritter, Y. Usov, T. A. Shibata, V. Vorobyev, J. Li, G. Bonvicini, S. H. Lee, I. Adachi, Z. Drásal, T. Kuhr, S. Esen, B. Bhuyan, Y. S. Sohn, Yasuyuki Horii, C. L. Hsu, M. Uchida, G. Pakhlova, A. M. Bakich, S. Sandilya, D. Liventsev, A. J. Schwartz, Marko Petrič, Hiroaki Aihara, Yang Li, Y. Sakai, T. Julius, Po-Hsun Chen, Yongsun Kim, C. Schwanda, H. J. Hyun, P. Smerkol, H. Sahoo, T. Hara, K. Cho, T. Uglov, J. Haba, R. Itoh, P. Chang, P. Wang, Z. Q. Liu, J. H. Kang, D. Epifanov, Pavel Krokovny, B. G. Cheon, Jung-Hyun Kim, Y. Miyazaki, I. S. Cho, Y. M. Goh, T. Sumiyoshi, James E. Fast, T. K. Pedlar, A. Moll, S. L. Olsen, Samo Korpar, K. M. Williams, T. Sanuki, Semen Eidelman, H. Kichimi, A. Chen, Y. Unno, K. Trabelsi, K. Inami, C. P. Shen, M. Sumihama, B. R. Ko, O. Nitoh, H. Hayashii, Y. B. Hsiung, D. Dutta, M. Watanabe, M. Starič, Y. Watanabe, J. G. Shiu, Tagir Aushev, Y. Yamashita, V.M. Aulchenko, Yueh-Feng Liu, Z. Natkaniec, T. Ohshima, N. Gabyshev, C. Kiesling, M. Bračko, J. B. Kim, Samo Stanič, and Y. J. Kwon
Subjects: Physics, Particle physics, Photon, 010308 nuclear & particles physics, Electron–positron annihilation, Resonance, Photon energy, 01 natural sciences, law.invention, Nuclear physics, KEKB, law, 0103 physical sciences, 010306 general physics, Collider
Abstract: We report searches for B0→invisible and B0→invisible+γ decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained from a 711 fb-1 data sample that contains 772×106BB¯ pairs and was collected near the ϒ(4S) resonance with the Belle detector at the KEKB e+e- collider. We observe no significant signal for either decay and set upper limits on their branching fractions at 90% confidence level of B(B0→invisible)
Published: 2020

13. Measurement of R(D) and R(D*) with a Semileptonic Tagging Method

Author: A. K. Giri, M. Masuda, S. E. Vahsen, T. V. Dong, K. Chilikin, Tagir Aushev, P. K. Resmi, C.-L. Hsu, C. Beleño, V. Zhukova, K. Trabelsi, Peter Kodys, W. W. Jacobs, S. Di Carlo, G. Karyan, Y. Onuki, A. M. Bakich, N. Dash, Y. Iwasaki, Y. J. Kwon, M. Iwasaki, T. J. Moon, K. Nakamura, Soumen Paul, H. Ono, B. G. Cheon, R. Mussa, Felix Metzner, O. Schneider, H. B. Jeon, F. Di Capua, G. Schnell, M. Rozanska, N. Gabyshev, D. Červenkov, B. G. Fulsom, Jyoti Prakash Biswal, A. Ishikawa, J. Schueler, A. Rabusov, M. Z. Wang, K. Kinoshita, P. Pakhlov, B. Bhuyan, K. K. Joo, Y. Seino, M. Nakao, Toru Iijima, J. Bennett, S. Sandilya, Seokhee Park, J. F. Krohn, E. Won, R. Pestotnik, S. Nishida, Iki Adachi, J. K. Lee, S. Korpar, Y. Choi, K. J. Nath, T. Kuhr, S. C. Lee, D. Kotchetkov, T. Matsuda, Doo Young Kim, G. De Nardo, M. Bračko, V. Babu, T. Sumiyoshi, T. K. Pedlar, Y. Sakai, Rocky Bala Garg, M. Nayak, Martin Ritter, M. Uchida, P. L. Wang, H. Atmacan, Y. Guan, R. Cheaib, L. K. Li, Leo Piilonen, A. Vossen, T. Ferber, V. Savinov, B.A. Shwartz, W. Sutcliffe, H. J. Kim, K. Cho, A. Chen, Phillip Urquijo, Seema Bahinipati, T. Sanuki, A. Garmash, H. Aihara, Hitoshi Yamamoto, Z. S. Stottler, K. Nishimura, Z. Doležal, Y. B. Li, T. Pang, G. B. Mohanty, M. Starič, Frank Simon, D. Liventsev, C. H. Kim, Vladimir Popov, Vladimir Zhulanov, P. Križan, R. Itoh, R. Kroeger, M. E. Sevior, I. S. Lee, V. Shebalin, S. Patra, G.V. Russo, Kevin Varvell, F. Tenchini, D. Joffe, M. Takizawa, P. Goldenzweig, E. Waheed, C. Z. Yuan, Tao Luo, K. Tanida, M. T. Prim, J. G. Shiu, K. T. Kim, W. S. Hou, K. Lieret, P. Oskin, O. Hartbrich, M. Merola, Pavel Krokovny, T. Uglov, D. Matvienko, J. Wiechczynski, T. Mori, D. Greenwald, S. H. Kim, Y. Usov, H. Hayashii, G. Pakhlova, N. K. Nisar, Rakesh Kumar, H. Park, A. Bozek, Dipak Kumar Sahoo, Luka Santelj, K. Senyo, K. H. Kang, J. H. Yin, L. Li Gioi, Z. P. Zhang, Kohei Ogawa, X. L. Wang, E. Solovieva, V. Chekelian, R. Van Tonder, A. B. Kaliyar, K. Inami, D. Epifanov, J. S. Lange, S. Cunliffe, B. Pal, Seongbae Yang, C. MacQueen, H. Ye, A. J. Schwartz, H. Kichimi, Takeo Higuchi, M. Campajola, V.N. Zhilich, D. Ferlewicz, V. Gaur, K. Miyabayashi, I. Badhrees, E. Prencipe, G. Caria, G. Varner, U. Tamponi, S. Al Said, S. Jia, Y. Jin, O. Grzymkowska, C. H. Wang, T. Bilka, T. E. Browder, S. Uno, C. Schwanda, D. Cinabro, J. Libby, D. M. Asner, K. Hayasaka, Takeo Kawasaki, Shoichi Watanuki, Prafulla Kumar Behera, Bo Wang, H. E. Cho, Andrey Sokolov, G. Inguglia, P. Chang, James E. Fast, Somnath Choudhury, and Semen Eidelman
Subjects: Physics, Semileptonic decay, Particle physics, Muon, Meson, Electron–positron annihilation, High Energy Physics::Phenomenology, General Physics and Astronomy, 01 natural sciences, Standard Model, KEKB, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Bar (unit), Lepton
Abstract: The experimental results on the ratios of branching fractions $\mathcal{R}(D) = {\cal B}(\bar{B} \to D \tau^- \bar{\nu}_{\tau})/{\cal B}(\bar{B} \to D \ell^- \bar{\nu}_{\ell})$ and $\mathcal{R}(D^*) = {\cal B}(\bar{B} \to D^* \tau^- \bar{\nu}_{\tau})/{\cal B}(\bar{B} \to D^* \ell^- \bar{\nu}_{\ell})$, where $\ell$ denotes an electron or a muon, show a long-standing discrepancy with the Standard Model predictions, and might hint to a violation of lepton flavor universality. We report a new simultaneous measurement of $\mathcal{R}(D)$ and $\mathcal{R}(D^*)$, based on a data sample containing $772 \times 10^6$ $B\bar{B}$ events recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. In this analysis the tag-side $B$ meson is reconstructed in a semileptonic decay mode and the signal-side $\tau$ is reconstructed in a purely leptonic decay. The measured values are $\mathcal{R}(D)= 0.307 \pm 0.037 \pm 0.016$ and $\mathcal{R}(D^*) = 0.283 \pm 0.018 \pm 0.014$, where the first uncertainties are statistical and the second are systematic. These results are in agreement with the Standard Model predictions within $0.2$, $1.1$ and $0.8$ standard deviations for $\mathcal{R}(D)$, $\mathcal{R}(D^*)$ and their combination, respectively. This work constitutes the most precise measurements of $\mathcal{R}(D)$ and $\mathcal{R}(D^*)$ performed to date as well as the first result for $\mathcal{R}(D)$ based on a semileptonic tagging method.
Published: 2020

14. Search for an Invisibly Decaying Z′ Boson at Belle II in e+e−→μ+μ−(e±μ∓) Plus Missing Energy Final States

Author: I. Ripp-Baudot, F. Meggendorfer, V.N. Zhilich, D. Ferlewicz, E. Nakano, G.V. Russo, N. Akopov, S. Nishida, S. Longo, H. M. Wakeling, A. Pathak, M. De Nuccio, Rocky Bala Garg, L. Cao, Nataliia Kovalchuk, B. Spruck, T. J. Moon, T. Iijima, Soumen Paul, Dipak Kumar Sahoo, C. Kleinwort, K. Kumara, S. Fiore, W. B. Yan, Bumho Kim, C. W. Joo, K. Chilikin, Takeo Higuchi, Felix Metzner, Z. S. Stottler, P. Sartori, G. De Pietro, K. Miyabayashi, L. Zani, C. Wessel, N. K. Nisar, M. Bessner, C. Miller, C. Niebuhr, V. Babu, Abner Soffer, B. Scavino, E. Graziani, E. De La Cruz-Burelo, Elisa Manoni, Yang Chen, S. Reiter, R. Peschke, S. Sandilya, H. Windel, Carlos Marinas, M. Wakai, Marco Milesi, J. Baudot, C. Hadjivasiliou, Yoshinobu Unno, C. Hearty, T. Kuhr, H. G. Moser, I. Komarov, M. Bertemes, M. Nishimura, T. V. Dong, N. Taniguchi, J. H. Yin, U. Tamponi, Antonio Budano, Iki Adachi, Doo Young Kim, Agnese Martini, T. Ferber, A. K. Giri, Z. P. Zhang, V. Gaur, L. B. Rizzuto, T. Sumiyoshi, K. K. Joo, R. Godang, J. C. Mei, B. Paschen, S. Bussino, T. K. Pedlar, Soohyun Cho, S. Kurz, Tariq Aziz, Kohei Ogawa, K. Dort, S. Marcello, L. Corona, Prafulla Kumar Behera, Leo Piilonen, P. Taras, K. Azmi, Martin Ritter, Dmytro Levit, M. Masuda, B. Golob, L. Santelj, J. Gemmler, G. Casarosa, S. Wehle, M. Hernandez Villanueva, K. Inami, A. Vossen, G. Dujany, E. C. Hill, V. Aushev, J. S. Lange, A. Paladino, T. Czank, F. Dattola, T. D. Kimmel, S. Dey, D. Biswas, K. Nishimura, Frank Simon, S. E. Vahsen, A. B. Kaliyar, C. Rosenfeld, R. M. Seddon, A. Hershenhorn, A. Fodor, M. Remnev, A. Sangal, Vladimir Popov, J. Schueler, H. Park, A. Bozek, Kiyoshi Tanida, Sw. Banerjee, Felix Mueller, L. K. Li, M. Merola, S. Jia, Y. Iwasaki, Y. Sakai, E. Paoloni, L. Burmistrov, Pavel Krokovny, D. Dossett, P. K. Resmi, C.-L. Hsu, Y. J. Kwon, G. Finocchiaro, A. Panta, K. Lieret, S. Lacaprara, I. Domínguez Jiménez, R. Cheaib, Tagir Aushev, Seongbae Yang, J. Irakkathil Jabbar, Q. Y. Liu, S. Cunliffe, Makoto Tabata, Jakub Kandra, Andreas Warburton, Jürgen Becker, S. Yamada, E. Prencipe, Z. Doležal, N. Rout, V. Zhukova, Y. Onuki, Xiaopeng Zhou, A. De Yta-Hernandez, D. Červenkov, G. B. Mohanty, Alberto Aloisio, Y. Kato, G. Varner, J. F. Strube, M. C. Chang, M. Z. Wang, Peter Kodys, W. W. Jacobs, B. G. Fulsom, Y. Yusa, M. Nayak, B. Oberhof, T. Koga, A. Passeri, C. P. Shen, Y. Kim, P. Branchini, J. Bennett, M. Takizawa, T. Matsuda, K. Senyo, Enrico Bernieri, G. Karyan, L. Lanceri, S. K. Choi, S. Baehr, P. Gomis, Yi Fan Hu, Florian Urs Bernlochner, F. Di Capua, Shuji Tanaka, H. Aihara, E. Solovieva, G. Muroyama, S. Duell, I. M. Peruzzi, P. Oskin, M. Maggiora, Kevin Varvell, H. Atmacan, S. Y. Suzuki, K. Lautenbach, Pere Rados, G. Rizzo, M. Bračko, G. Pakhlova, Y.-T. Chen, M. Destefanis, M. Piccolo, W. Gradl, Y. Onishchuk, Y. Jin, C. H. Wang, D. Greenwald, A. Vinokurova, J. G. Shiu, S. Dubey, I. Heredia-De La Cruz, D. E. Jaffe, S. Bettarini, F. Müller, S. Spataro, O. Hartbrich, H. Ozaki, K. Cho, H. Miyake, K. Trabelsi, S. H. Kim, Y. Guan, K. Unger, P. Pakhlov, M. Eliachevitch, Rakesh Kumar, A. Kuzmin, V. Savinov, T. M. G. Kraetzschmar, F. Bianchi, C. Z. Yuan, M. Campajola, F. Tenchini, Th. Müller, A. Sibidanov, Yukinori Sato, E. Won, R. A. Briere, S. H. Robertson, R. Pestotnik, Kodai Matsuoka, M. Hoek, E. J. Jang, R. Rasheed, V. Chekelian, D. Rodríguez Pérez, K. Kim, H. Hayashii, H. Ono, R. Van Tonder, H. Ye, M. Barrett, R. Mizuk, L. Li Gioi, Y. B. Li, C. H. Kim, G. De Nardo, M. T. Hedges, Yongsun Kim, B. Gobbo, P. Leitl, Hidekazu Kakuno, Concettina Sfienti, S. Uno, R. Stroili, B. G. Cheon, C. Schwanda, L. M. Cremaldi, D. Cinabro, E. Torassa, Claudia Cecchi, M. V. Purohit, S. Korpar, S. C. Lee, T. Hara, F. Forti, T. Geßler, M. Garcia-Hernandez, E. Ganiev, S. Halder, J. M. Roney, M. Yonenaga, M. Sumihama, M. Watanabe, T. E. Browder, H. Kindo, C. Praz, P. Bambade, J. Libby, D. M. Asner, K. Hayasaka, M. T. Prim, Takeo Kawasaki, Andrey Sokolov, A. Gaz, James E. Fast, Semen Eidelman, J. Kahn, F. Meier, R. Mussa, H. B. Jeon, Bruce Yabsley, S. Stefkova, R. Giordano, G. Inguglia, A. Ishikawa, G. Nazaryan, Y. Seino, M. Kumar, M. Nakao, Somnath Choudhury, P. Križan, S. Kohani, Y. Ushiroda, M. Uchida, Tao Luo, A. Gellrich, Y. Maeda, T. Tsuboyama, D. Matvienko, Q. D. Zhou, J. Wiechczynski, C. La Licata, B.A. Shwartz, M. Starič, D. Liventsev, T. Morii, R. Kroeger, I. S. Lee, P. Goldenzweig, N. Anh Ky, R. de Sangro, Z. Liptak, P. Ahlburg, W. A. T. Wan Abdullah, D. J. Summers, R. Itoh, A. Rostomyan, R. J. Sobie, John Webb, L. Vitale, J. Kumar, D. Neverov, A. Selce, and Vikas Bansal
Subjects: Physics, Coupling constant, Particle physics, Missing energy, Physics beyond the Standard Model, General Physics and Astronomy, 01 natural sciences, law.invention, law, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Collider, Boson
Abstract: Theories beyond the standard model often predict the existence of an additional neutral boson, the Z′. Using data collected by the Belle II experiment during 2018 at the SuperKEKB collider, we perform the first searches for the invisible decay of a Z′ in the process e+e-→μ+μ-Z′ and of a lepton-flavor-violating Z′ in e+e-→e±μZ′. We do not find any excess of events and set 90% credibility level upper limits on the cross sections of these processes. We translate the former, in the framework of an Lμ-Lτ theory, into upper limits on the Z′ coupling constant at the level of 5×10-2-1 for MZ′≤6 GeV/c2.
Published: 2020

15. First search for the ηc2(1D) in B decays at Belle

Author: F. Di Capua, P. Pakhlov, H. Aihara, J. Biswal, Tagir Aushev, S. Nishida, R. Mussa, M. Uchida, W. B. Yan, Z. Natkaniec, C. MacQueen, Leo Piilonen, V. Zhukova, Y. Onuki, L. K. Li, K. Sumisawa, V. Bhardwaj, M. Iwasaki, B. G. Cheon, K. Nishimura, C.-L. Hsu, J. H. Yin, G. Schnell, Pavel Krokovny, S. Cunliffe, M. C. Chang, H. Hayashii, P. L. Wang, A. Ishikawa, Y. Seino, M. Nakao, C. Kiesling, G. Pakhlova, T. K. Pedlar, A. Sangal, T. Kuhr, P. Križan, T. Mori, Y. Usov, Y. Choi, B. Golob, K. Trabelsi, K. Lieret, V.M. Aulchenko, Z. S. Stottler, R. Itoh, V. Savinov, Rok Pestotnik, A. Rostomyan, M. Campajola, N. K. Nisar, Prafulla Kumar Behera, V. Popov, V. Gaur, K. Belous, Andrey Sokolov, Peter Kodys, W. W. Jacobs, J. S. Lange, T. D. Kimmel, S. K. Choi, M. Mrvar, Z. P. Zhang, T. Sumiyoshi, M. Bračko, M. Z. Wang, T. Podobnik, E. Solovieva, Jia-ju Zhang, A. B. Kaliyar, M. Hernandez Villanueva, K. Kinoshita, Y. Iwasaki, Martin Ritter, N. Dash, V. Babu, Y. J. Kwon, T. Sanuki, J. Schueler, N. Gabyshev, D. Červenkov, Shih-Chang Lee, N. Rout, Y. Sakai, Phillip Urquijo, G. Varner, X. P. Xu, P. Oskin, E. Prencipe, L. Cao, T. Ferber, M. Nayak, G. Karyan, B. G. Fulsom, James E. Fast, K. Senyo, Seokhee Park, Rocky Bala Garg, Samo Korpar, C. H. Kim, Y. B. Li, S. Al Said, Luka Santelj, V.N. Zhilich, Semen Eidelman, Sadaharu Uehara, L. Li Gioi, A. Garmash, Y. Kato, D. Ferlewicz, W. Sutcliffe, K. Chilikin, G. De Nardo, T. J. Moon, A. Chen, Soumen Paul, C. Beleño, H. Park, A. Bozek, K. Miyabayashi, M. Shapkin, Kohei Ogawa, S. Patra, Kiyoshi Tanida, E. Wang, M. Röhrken, G.V. Russo, K. Inami, R. Kulasiri, Yongsun Kim, Yoshinobu Unno, W. S. Hou, Z. Doležal, K. Lalwani, S. Uno, C. Schwanda, D. Cinabro, A. K. Giri, K. K. Joo, E. Won, V. Chekelian, M. Merola, G. B. Mohanty, M. Masuda, D. Matvienko, B.A. Shwartz, T. V. Dong, C. Z. Yuan, M. Starič, D. Liventsev, M. Takizawa, Vladimir Zhulanov, K.-H. Kim, R. Kroeger, I. S. Lee, P. Goldenzweig, V. Vorobyev, S. Jia, Y. Jin, O. Grzymkowska, C. H. Wang, H. Ye, T. Bilka, M. Watanabe, T. E. Browder, T. Matsuda, G. Bonvicini, J. Libby, D. M. Asner, K. Hayasaka, A. Vinokurova, J. G. Shiu, O. Hartbrich, S. H. Kim, Rakesh Kumar, M. T. Prim, Takeo Kawasaki, Shoichi Watanuki, D. Epifanov, S. Pardi, Seongbae Yang, G. Inguglia, Somnath Choudhury, J. Bennett, T. Uglov, A. Kuzmin, E.-J. Jang, S. Ogawa, F. Tenchini, R. Ayad, K. Cho, Seema Bahinipati, Iki Adachi, Doo Young Kim, H. Ono, R. Mizuk, 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), Belle, Collaboration, Campajola, M., De Nardo, G., Di Capua, F., Merola, M., Pardi, S., Russo, G., and Et, Al.
Subjects: +charmed+meson+K%2B%22">B+ --> charmed meson K+, Analytical chemistry, +charmed+meson+pi%2B+K0%28S%29%22">B+ --> charmed meson pi+ K0(S), annihilation [electron positron], 01 natural sciences, High Energy Physics - Experiment, e +e − experiments, Experiment, 10.57 GeV-cms, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics, [PHYS]Physics [physics], B0: hadronic decay, e+-e- Experiments, e, B+: branching ratio: upper limit, e +-e − Experiments, electron positron: colliding beams, Quarkonium, 3. Good health, +charmed+meson+K0%28S%29%22">B0 --> charmed meson K0(S), electroproduction [Upsilon(10570)], colliding beams [electron positron], radiative decay [charmed meson], quarkonium, Nuclear and High Energy Physics, spectroscopy, Upsilon(10570): electroproduction, Meson, +photon+h%2Fc%283526%29%22">charmed meson --> photon h/c(3526), BELLE, electron positron: annihilation, +, KEKB, KEK-B, 0103 physical sciences, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, ddc:530, +charmed+meson+K%2B+pi%22">B0 --> charmed meson K+ pi, 010306 general physics, hadronic decay [B0], mesons, 010308 nuclear & particles physics, h/c(3526), branching ratio: upper limit [B+], B0: branching ratio: upper limit, −, Resonance, e(+)-e(-) experiments, charmed meson: radiative decay, B+: hadronic decay, lcsh:QC770-798, hadronic decay [B+], branching ratio: upper limit [B0], experimental results
Abstract: Journal of high energy physics 2020(5), 34 (2020). doi:10.1007/JHEP05(2020)034, The first dedicated search for the η$_{c2}$(1D) is carried out using the decays B$^{+}$→ η$_{c2}$(1D)K$^{+}$, B$^{0}$ → η$_{c2}$(1D)$ {K}_S^0 $, B$^{0}$→ η$_{c2}$(1D)π$^{−}$K$^{+}$, and B$^{+}$→ η$_{c2}$(1D)π$^{+} {K}_S^0 $ with η$_{c2}$(1D) → h$_{c}$γ. No significant signal is found. For the η$_{c2}$(1D) mass range between 3795 and 3845 MeV/c$^{2}$, the branching-fraction upper limits are determined to be ℬ(B$^{+}$→ η$_{c2}$(1D)K$^{+}$) × ℬ(η$_{c2}$(1D) → h$_{c}$γ) < 3.7 × 10$^{−5}$, ℬ(B$^{0}$→ η$_{c2}$(1D)K$^{0}$) × ℬ(η$_{c2}$(1D) → h$_{c}$γ) < 3.5 × 10$^{−5}$, ℬ(B$^{0}$→ η$_{c2}$(1D)π$^{−}$K$^{+}$) × ℬ(η$_{c2}$(1D) → h$_{c}$γ) < 1.0 × 10$^{−4}$, and ℬ(B$^{+}$→ η$_{c2}$(1D)π$^{+} {K}_S^0 $) × ℬ(η$_{c2}$(1D) → h$_{c}$γ) < 1.1 × 10$^{−4}$ at 90% C.L. The analysis is based on the 711 fb$^{−1}$ data sample collected on the ϒ(4S) resonance by the Belle detector, which operated at the KEKB asymmetric-energy e$^{+}$e$^{−}$ collider.[graphic not available: see fulltext], Published by SISSA, [Trieste]
Published: 2020

16. Identifying clouds over the Pierre Auger Observatory using infrared satellite data

Author: M. Zavrtanik, N. Nierstenhoefer, R. Dallier, F. Salamida, J. F. Valdés Galicia, K. H. Becker, I. De Mitri, A. Gascon Bravo, A. Saftoiu, D. Garcia-Gamez, S. T. Garcia Roca, B. Gookin, D. Melo, David Walz, D. Pakk Selmi-Dei, R. Sato, M. Niechciol, D. B. Tridapalli, A. Segreto, A.M. van den Berg, Darko Veberič, I. Rodriguez Cabo, B. Sarkar, J. L. Navarro, M. Videla, J. C. Diaz, M. A. Leigui de Oliveira, R. Tcaciuc, F. Montanet, J. C. dos Anjos, Petr Schovanek, D. Maurizio, J. C. Moreno, C. Aramo, Lorenzo Caccianiga, Y. Guardincerri, G. Müller, J.M. Chirinos, B. Rouillé-D'Orfeuil, Bruno Daniel, Pham Ngoc Diep, D. Garcia-Pinto, Radomir Smida, T. Yapici, J. J. Masías Meza, R. Gaior, S. H. Cheng, Heino Falcke, B. Tome, L. Buroker, J. Knapp, R. Bonino, J. Vicha, G. Wieczorek, A. Lopez Agüera, F. Diogo, F. Suarez, Sergio Dasso, T. Niggemann, R. M. de Almeida, P. Allison, A. Tapia, G. Cocciolo, H. Gemmeke, C. Rühle, V. de Souza, M. Unger, H. Wahlberg, L. Nellen, B. Zamorano Garcia, M. Buscemi, N. Scharf, V. Pirronello, F. Guarino, John Matthews, Peter Buchholz, M. S. A. B. Leão, C. Macolino, C. Hojvat, C. Morello, K. D. de Vries, D. Nosek, T. Yamamoto, R. M. Kieckhafer, C. Jarne, M. Tueros, J. Rautenberg, B. Revenu, Jan Ebr, M. Melissas, O. Wainberg, I.M. Brancus, D. Huber, S. Westerhoff, H. Glass, Marco Aglietta, W. C. Brown, A. Nelles, Jaime Alvarez-Muñiz, D. Schuster, M. A. Muller, Lu Lu, G. Marsella, D. Martraire, S. Gambetta, Peter L. Biermann, D. Harari, Alessandro Petrolini, B. Mitrica, M. Ludwig, J. Rosado, A. van Vliet, A. Tonachini, L. Nožka, A. Weindl, N. Hollon, V. Verzi, P. Brogueira, M. Urban, A. C. Rovero, C. Bleve, B. Keilhauer, V. H. Ponce, S. J. Sciutto, J. Schovancova, Paolo Privitera, L. Perrone, Jiri Chudoba, D. Torres Machado, H.O. Klages, G. Torralba Elipe, D. Kruppke-Hansen, B. Wundheiler, R. Krause, Gregory R Snow, Alina Mihaela Badescu, M. Oliveira, M. Ave, E. Trovato, J. Lozano Bahilo, Segev BenZvi, Corbin Covault, Maria-Teresa Dova, M. Gómez Berisso, R. C. Shellard, Azadeh Keivani, A. P. Ferguson, R. Alves Batista, C. Baus, A. Aminaei, Y. Petrov, J. Gitto, P. Hansen, A. Chiavassa, A. E. Herve, Lino Miramonti, Vincenzo Rizi, M. D. Rodríguez-Frías, Paul Sommers, R. Cester, B. J. Whelan, P. Gouffon, W. Rodrigues de Carvalho, M. Risse, D. Martello, M. Ziolkowski, O. Martínez Bravo, P. N. Dong, M. J. Cooper, F. Sánchez, M. Ambrosio, M. De Domenico, Jing Zhou, G. Toma, S. Mićanović, B. M. Baughman, L. R. Wiencke, T. A. Harrison, A. Porcelli, M. Tartare, J. W. Cronin, B. D. Fox, N. T. Thao, G. Parente, A. Gorgi, V. Marin, J. Espadanal, M. Palatka, P. W. Younk, A. Śmiałkowski, P. Pieroni, Peter Schiffer, V. Scherini, Nataliia Borodai, H. R. Marquez Falcon, Alejandro Almela, S. van Velzen, E. Menichetti, G. Matthiae, G. Varner, H. Spinka, Antonio Bueno, Sergio Pastor, I. M. Pepe, J. Oehlschläger, A. F. Barbosa, Maria Rita Coluccia, Miguel Mostafá, Dusan Mandat, Gualberto Avila, Ingomar Allekotte, Angela V. Olinto, M. Monasor, F. Arqueros, P. Necesal, P. Gonçalves, N. Palmieri, Markus Ahlers, J. K. Kulbartz, H. Rivera, E. Varela, N. Griffith, J. A.J. Matthews, Xavier Bertou, R. E. Burton, S. Jiraskova, T. Rossler, J. D. Swain, A. Menshikov, J. C. Marin, H. Schieler, A. Zepeda, R. Ulrich, Karl-Heinz Kampert, Antonella Castellina, E. M. Santos, Pedro Assis, A. Etchegoyen, K. Kadija, Carola Dobrigkeit, A. Insolia, M. Kleifges, D. Zavrtanik, I. Katkov, Javier Tiffenberg, J. Allen, E. Mayotte, R. Mussa, J. J. Beatty, P. Wahrlich, K. Louedec, J. Pȩkala, Mariangela Settimo, Iván Sidelnik, Alexey Yushkov, H. Dembinski, N. Fazzini, K. Weidenhaupt, J. Kleinfeller, Jose Chinellato, Alan Watson, M. I. Micheletti, T. Huege, A. Parra, S. J. De Jong, I. Zaw, O. Fratu, H. Cook, Jeffrey Brack, Olaf Scholten, P. Lautridou, M. Avenier, D. Thomas, Bruce R. Dawson, Y. N. Srivastava, Humberto Ibarguen Salazar, T. Hebbeker, Julien Aublin, A. Widom, D. LaHurd, F. Werner, P.O. Mazur, J. Alvarez Castillo, F. Sarazin, Elton J. G. Santos, K. Link, M. Prouza, Piotr Homola, P. Facal San Luis, Rúben Conceição, P. Abreu, M. Josebachuili, D. Ravignani, Miroslav Hrabovský, Daniel Kuempel, Carlos Escobar, R. F. Gamarra, A. Haungs, J. Neuser, J. R. T. de Mello Neto, E. J. Ahn, A. Letessier-Selvon, L. Molina-Bueno, E. Kemp, S. Le Coz, Luis A. Anchordoqui, J. L. Harton, D. Monnier Ragaigne, Lorenzo Cazon, S. Maldera, C. Pfendner, I. A. Minaya, A. Bellétoile, A. Schmidt, H. Martinez, O. Krömer, P. Mantsch, Z. Szadkowski, Ivone F. M. Albuquerque, Ke Fang, N. Pacheco, Lukas Middendorf, M. Platino, G. Navarra, J. Bäuml, C. E. Santo, Francisco J. Blanco, Johannes Schulz, G. Golup, N. Kunka, F. Gomez Albarracin, M. Pimenta, C. A. Moura, Brian Fick, H. Blümer, Balázs Kégl, Moritz Münchmeyer, G. Rodriguez Fernandez, A. D. Supanitsky, Hernán Asorey, Christopher B. Williams, G. C. Hill, M. Zimbres Silva, T. Šuša, I. C. Mariş, Ralph Engel, M. Plum, E. Petermann, D. Nitz, J. Stapleton, Miroslav Pech, J. Ridky, M. L. Díaz Castro, G. Farrar, S. Fliescher, A. Stutz, Pavel Horvath, Kai Daumiller, M. S. Sutherland, Rémi Bardenet, Petr Travnicek, P. Lebrun, L. Tomankova, Trent D. Grubb, Sofia Andringa, R. Meyhandan, M. Ortiz, R. J. Lauer, Juan Manuel Figueira, Roberta Colalillo, P. Ristori, A. G. Mariazzi, S. Jansen, B. García, Mario Scuderi, S. Messina, G. Salina, A. Curutiu, Tobias Winchen, R. López, Karen S. Caballero-Mora, Olivier Deligny, B. Caccianiga, S. Stanič, H. Schoorlemmer, P.F. Gómez Vitale, Martina Bohacova, Martin Erdmann, A. Dorofeev, Guenter Sigl, J. Sorokin, M. Blanco, C. E. Fracchiolla, Roger W Clay, D. D'Urso, L. Latronico, Corinne Berat, M. Giller, S. Navas, G. P. Guedes, K. B. Barber, M. Weber, U. Fröhlich, R. A. Vázquez, L. Valore, P. Karhan, P. A. Kasper, A. Filipčič, M. Straub, D. Maurel, Markus Roth, A. Shadkam, C. Timmermans, S. Petrera, J. R. Vázquez, A. F. Grillo, Juan Carlos D'Olivo, T. Pierog, J. Maller, Rossella Caruso, W. J. M. de Mello, A. Lucero, G. La Rosa, P. L. Ghia, Octavian Sima, J. G. Gonzalez, V. C. Holmes, D. Lebrun, R. Pesce, Jörg R. Hörandel, F. Salesa Greus, G. Cataldi, G. Garilli, D. Heck, L. Villaseñor, L. Martin, I. Lhenry-Yvon, S. Mollerach, E. Roulet, Marco Cilmo, B. Wilczyńska, W. Docters, Peter Gorham, R. Pelayo, L. Collica, S. Querchfeld, J. L. Kelley, E. D. Fraenkel, S. J. Saffi, L. Niemietz, L. del Peral, J. Roberts, O. Ravel, R. Piegaia, J. Rodriguez Martino, H. J. Mathes, G. De La Vega, O. Taşcǎu, J. Rodriguez Rojo, M. Szuba, F.G. Schröder, Enrique Zas, C. Di Giulio, Fernando Contreras, L. Caramete, M. Will, W. Tkaczyk, G. Yuan, S. Riggi, T. Antičić, J. Stasielak, S. Coutu, M. Lauscher, M. Pontz, A. C. Fauth, M. Stephan, H. Lyberis, Carla Bonifazi, Jose A. Bellido, B. Morales, Denise Boncioli, German Ros, B. Vargas Cárdenas, Maria Concetta Maccarone, T. Suomijärvi, J. Pallotta, E. J. Quel, Béatrice Fuchs, Niraj Dhital, I. Valiño, A. Filevich, P. T. Nhung, S. Grebe, R. Squartini, T. Paul, G. Medina-Tanco, G. van Aar, A. Criss, C. J. Todero Peixoto, M. Malacari, Yunrong Zhu, N. Krohm, Christian Glaser, H. Wilczyński, P. Billoir, Laboratoire SUBATECH Nantes (SUBATECH), Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Unité Scientifique de la Station de Nançay (USN), Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), PIERRE AUGER, Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes), Centre National de la Recherche Scientifique (CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO), 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), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Research unit Astroparticle Physics, P., Abreu, M., Aglietta, M., Ahler, E. J., Ahn, I. F. M., Albuquerque, I., Allekotte, J., Allen, P., Allison, A., Almela, J., Alvarez Castillo, J., Alvarez Muñiz, R., Alves Batista, M., Ambrosio, A., Aminaei, L., Anchordoqui, S., Andringa, T., Antičić, C., Aramo, F., Arquero, H., Asorey, P., Assi, J., Aublin, M., Ave, M., Avenier, G., Avila, A. M., Badescu, K. B., Barber, A. F., Barbosa, R., Bardenet, B., Baughman, J., Bäuml, C., Bau, J. J., Beatty, K. H., Becker, A., Bellétoile, J. A., Bellido, S., Benzvi, C., Berat, X., Bertou, P. L., Biermann, P., Billoir, F., Blanco, M., Blanco, Bleve, Carla, H., Blümer, M., Boháčová, D., Boncioli, C., Bonifazi, R., Bonino, N., Borodai, J., Brack, I., Brancu, P., Brogueira, W. C., Brown, P., Buchholz, A., Bueno, L., Buroker, R. E., Burton, M., Buscemi, K. S., Caballero Mora, B., Caccianiga, L., Caccianiga, L., Caramete, R., Caruso, A., Castellina, G., Cataldi, L., Cazon, R., Cester, S. H., Cheng, A., Chiavassa, J. A., Chinellato, J., Chirino, J., Chudoba, M., Cilmo, R. W., Clay, Cocciolo, Giuseppe, R., Colalillo, L., Collica, Coluccia, MARIA RITA, R., Conceição, F., Contrera, H., Cook, M. J., Cooper, S., Coutu, C. E., Covault, A., Cri, J., Cronin, A., Curutiu, R., Dallier, B., Daniel, S., Dasso, K., Daumiller, B. R., Dawson, R. M., de Almeida, M., De Domenico, S. J., de Jong, G., De La Vega, W. J. M., de Mello, J. R. T., de Mello Neto, DE MITRI, Ivan, V., de Souza, K. D., de Vrie, L., del Peral, O., Deligny, H., Dembinski, N., Dhital, C., Di Giulio, J. C., Diaz, M. L., Díaz Castro, P. N., Diep, F., Diogo, C., Dobrigkeit, W., Docter, J. C., D’Olivo, P. N., Dong, A., Dorofeev, J. C., dos Anjo, M. T., Dova, D., D’Urso, J., Ebr, R., Engel, M., Erdmann, C. O., Escobar, J., Espadanal, A., Etchegoyen, P., Facal San Lui, H., Falcke, K., Fang, G., Farrar, A. C., Fauth, N., Fazzini, A. P., Ferguson, B., Fick, J. M., Figueira, A., Filevich, A., Filipčič, S., Fliescher, B. D., Fox, C. E., Fracchiolla, E. 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Subjects: [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], [PHYS.ASTR.IM]Physics [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], Atmospheric Monitoring, Satellites, Infrared, Astronomy, Cloud cover, FOS: Physical sciences, Atmospheric monitoring, 01 natural sciences, Ciencias de la Tierra y relacionadas con el Medio Ambiente, Auger, purl.org/becyt/ford/1 [https], purl.org/becyt/ford/1.5 [https], Observatory, Clouds, 0103 physical sciences, Extensive air showers, 010306 general physics, DETECTOR, Instrumentation and Methods for Astrophysics (astro-ph.IM), Image resolution, Ciencias Exactas, Physics, Pierre Auger Observatory, UHE Cosmic Rays, atmosphere, 010308 nuclear & particles physics, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Física, Astronomy and Astrophysics, Ultra-high energy cosmic rays, [SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], INFRAVERMELHO, Experimental High Energy Physics, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Pierre Auger observatory, ultra-high energy cosmic rays, extensive air showers, atmospheric monitoring, clouds, satellites, Física nuclear, Satellite, Central Laser Facility, Extensive Air Showers, Astrophysics - Instrumentation and Methods for Astrophysics, Meteorología y Ciencias Atmosféricas, SYSTEM, CIENCIAS NATURALES Y EXACTAS
Abstract: We describe a new method of identifying night-time clouds over the Pierre Auger Observatory using infrared data from the Imager instruments on the GOES-12 and GOES-13 satellites. We compare cloud. identifications resulting from our method to those obtained by the Central Laser Facility of the Auger Observatory. Using our new method we can now develop cloud probability maps for the 3000 km(2) of the Pierre Auger Observatory twice per hour with a spatial resolution of similar to 2.4 km by similar to 5.5 km. Our method could also be applied to monitor cloud cover for other ground-based observatories and for space-based observatories. (C) 2013 Elsevier B.V. All rights reserved., The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and adminis- trative staff in Malargüe. We are very grateful to the following agencies and organiza- tions for financial support: Comisión Nacional de Energía Atómica, Fundación Antorchas, Gobierno De La Provincia de Mendoza, Municipalidad de Malargüe, NDM Holdings and Valle Las Leñas, in gratitude for their continuing cooperation over land access, Argentina; the Australian Research Council; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundação de Amparo à Pesquisa do Estado de Rio de Janeiro (FAPERJ), Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Ministério de Ciência e Tecnolo- gia (MCT), Brazil; AVCR AV0Z10100502 and AV0Z10100522, GAAV KJB100100904, MSMT-CR LA08016, LG11044, MEB111003, MSM0021620859, LA08015, TACR TA01010517 and GA UK 119810, Czech Republic; Centre de Calcul IN2P3/CNRS, Centre Na- tional de la Recherche Scientifique (CNRS), Conseil Régional Ile-de- France, Département Physique Nucléaire et Corpusculaire (PNC- IN2P3/CNRS), Département Sciences de l’Univers (SDU-INSU/ CNRS), France; Bundesministerium für Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministeri- um Baden-Württemberg, Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Ministerium für Wissenschaft und Forschung, Nordrhein-Westfalen, Ministerium für Wissenschaft, Forschung und Kunst, Baden-Württemberg, Germany; Istituto Nazionale di Fisica Nucleare (INFN), Ministero dell’Istruzione, dell’Università e della Ricerca (MIUR), Italy; Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico; Ministerie van Ond- erwijs, Cultuur en Wetenschap, Nederlandse Organisatie voor Wet- enschappelijk Onderzoek (NWO), Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands; Ministry of Science and Higher Education, Grant Nos. N N202 200239 and N N202 207238, Poland; Portuguese national funds and FEDER funds with- in COMPETE - Programa Operacional Factores de Competitividade through Fundação para a Ciência e a Tecnologia, Portugal; Roma- nian Authority for Scientific Research ANCS, CNDI-UEFISCDI part- nership projects nr.20/2012 and nr.194/2012, project nr.1/ ASPERA2/2012 ERA-NET and PN-II-RU-PD-2011-3-0145-17, Roma- nia; Ministry for Higher Education, Science, and Technology, Slove- nian Research Agency, Slovenia; Comunidad de Madrid, FEDER funds, Ministerio de Ciencia e Innovación and Consolider-Ingenio 2010 (CPAN), Xunta de Galicia, Spain; The Leverhulme Foundation, Science and Technology Facilities Council, United Kingdom; Department of Energy, Contract Nos. DE-AC02-07CH11359, DE- FR02-04ER41300, DE-FG02-99ER41107, National Science Founda- tion, Grant No. 0450696, The Grainger Foundation USA; NAFO- STED, Vietnam; Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, European Union 7th Framework Program, Grant No. PIRSES-2009-GA-246806; and UNESCO. We would like to thank the former Michigan Tech students: Nathan Kelley-Hoskins, Kyle Luck and Arin Nelson for their impor- tant contribution to the development of this paper. We would like to thank NOAA for the GOES satellite data that we freely down- loaded from their website. Also, we would like to mention in these acknowledgments Dr. Steve Ackerman and Dr. Tony Schreiner for very valuable conversations
Published: 2013

17. Measurement of the CKM matrix element |Vcb| from B0→D*−ℓ+νℓ at Belle

Author: H. Ye, R. Mizuk, K. Chilikin, C. Beleño, S. Al Said, R. Mussa, P. C. Lu, H. B. Jeon, P. Goldenzweig, A. Ishikawa, S. Sandilya, Jihwa Lee, G. Pakhlova, M. Nakao, A. Kuzmin, R. Kulasiri, P. Križan, K. Inami, K. T. Kim, S. K. Choi, Jyoti Prakash Biswal, M. Merola, S. Ogawa, M. Starič, I. Adachi, J. G. Shiu, S. Jia, S. Uno, C. Schwanda, D. Y. Kim, A. K. Giri, M. Salehi, E. Waheed, O. Grzymkowska, C. H. Wang, Y-J Kwon, A. Garmash, Phillip Urquijo, V. Gaur, D. Epifanov, S. Paul, M. Masuda, V. Bansal, G. B. Mohanty, R. Kroeger, D. Cinabro, J. E. Fast, M. E. Sevior, D. Dossett, H. Miyata, G. Schnell, F. Tenchini, M. Nayak, J. MacNaughton, D. Matvienko, T. Bilka, G. Inguglia, Tao Luo, Andrey Sokolov, R. B. Garg, E. Prencipe, K. Tanida, B. Bhuyan, G. Varner, Ya-Qiu Jin, Seokhee Park, Y. Iwasaki, T. Sumiyoshi, Samo Korpar, R. Ayad, K. Cho, H. Hayashii, P. K. Behera, P. Chang, T. Sanuki, M. Campajola, T. Kuhr, B. Golob, C.-L. Hsu, C. H. Kim, K. Nishimura, B. Shwartz, B. G. Fulsom, T. E. Browder, A. Bobrov, Peter Kodys, V.N. Zhilich, D. Ferlewicz, N. K. Nisar, W. W. Jacobs, O. Schneider, G. Bonvicini, J. S. Lange, K. Senyo, Somnath Choudhury, M. Z. Wang, K. Kinoshita, S. Pardi, A. Vinokurova, C. H. Li, Z. S. Stottler, H. E. Cho, M. T. Hedges, V.E. Shebalin, T. Kawasaki, T. Uglov, S. Di Carlo, K. Miyabayashi, I. Badhrees, S. Cunliffe, Semen Eidelman, G. Karyan, A. B. Kaliyar, M. Niiyama, Tagir Aushev, M. Uchida, J. Schueler, J. Libby, L. K. Li, V. Savinov, E. Won, H. Ono, I. Nakamura, Kevin Varvell, D. Liventsev, H. Atmacan, T. Mori, H. Aihara, K. Adamczyk, G.V. Russo, Y. Usov, Toru Iijima, A. Rostomyan, P. Wang, D. M. Asner, K. Hayasaka, W. S. Hou, V. Chekelian, Y. Unno, Z. P. Zhang, Y. Seino, B. K. Pal, M. T. Prim, P. Pakhlov, S. Nishida, Z. Natkaniec, H. Park, A. Bozek, Motoki Iwasaki, D. Kotchetkov, Y. Sakai, K. Lieret, E. Solovieva, Leo Piilonen, D. Joffe, Seongbae Yang, A. Vossen, O. Seon, Frank Simon, Vladimir Popov, M. Takizawa, Z. Doležal, B. G. Cheon, J. Haba, V. Babu, S. C. Lee, Pavel Krokovny, K. Trabelsi, R. Pestotnik, J. Kahn, C. P. Shen, Seok Kim, Victoria Zhukova, A. Chen, Felix Metzner, K. K. Joo, Yang Li, T. V. Dong, Y. Choi, K. J. Nath, T. Hara, Y. Yusa, D. Červenkov, J. F. Strube, Samo Stanič, Florian Urs Bernlochner, M. Bračko, and L. Li Gioi
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Cabibbo–Kobayashi–Maskawa matrix, Branching fraction, Electron–positron annihilation, Electroweak interaction, 01 natural sciences, 0103 physical sciences, Heavy quark effective theory, Matrix element, 010306 general physics, Two-form, Lepton
Abstract: We present a new measurement of the Cabibbo-Kobayashi-Maskawa matrix element |Vcb| from B0→D*-l+νl decays, reconstructed with the full Belle data set of 711 fb−1 integrated luminosity. Two form factor parametrizations, originally conceived by the Caprini-Lellouch-Neubert (CLN) and the Boyd, Grinstein and Lebed (BGL) groups, are used to extract the product F(1)ηEW|Vcb| and the decay form factors, where F(1) is the normalization factor and ηEW is a small electroweak correction. In the CLN parametrization we find F(1)ηEW|Vcb|=(35.06±0.15±0.56)×10-3, ρ2=1.106±0.031±0.007, R1(1)=1.229±0.028±0.009, R2(1)=0.852±0.021±0.006. For the BGL parametrization we obtain F(1)ηEW|Vcb|=(34.93±0.23±0.59)×10-3, which is consistent with the world average when correcting for F(1)ηEW. The branching fraction of B0→D*-l+νl is measured to be B(B0→D*-l+νl)=(4.90±0.02±0.16)%. We also present a new test of lepton flavor universality violation in semileptonic B decays, B(B0→D*-e+ν)B(B0→D*-μ+ν)=1.01±0.01±0.03. The errors quoted correspond to the statistical and systematic uncertainties, respectively. This is the most precise measurement of F(1)ηEW|Vcb| and form factors to date and the first experimental study of the BGL form factor parametrization in an experimental measurement.
Published: 2019

18. Evidence for B+→hcK+ and observation of ηc(2S)→pp¯π+π−

Author: C. MacQueen, Y. Iwasaki, S. Nishida, O. Schneider, S. Cunliffe, P. C. Lu, R. Mizuk, K. Chilikin, C. Beleño, N. Gabyshev, D. Červenkov, A. Ishikawa, A. Chen, G. Schnell, D. M. Asner, K. Hayasaka, M. Nakao, D. Matvienko, M. Campajola, C.-L. Hsu, Peter Kodys, W. W. Jacobs, Zdenek Dolezal, S. Di Carlo, G. Karyan, U. Tamponi, A. K. Giri, J. S. H. Lee, M. Masuda, G. B. Mohanty, L. Cao, Y. Seino, Rahul Kumar, S. Jia, J. F. Strube, Y. Kato, P. Goldenzweig, S. Sandilya, F. Tenchini, Babu, M. Merola, Z. P. Zhang, Samo Korpar, T. Sumiyoshi, Jia-ju Zhang, Shoichi Watanuki, Martin Ritter, K. Inami, M. Starič, Sudhanwa Patra, K. Miyabayashi, I. Badhrees, Savinov, T. Sanuki, H. Ono, K. K. Joo, G. Pakhlova, Leo Piilonen, D. Cinabro, D. Joffe, R. Kulasiri, O. Grzymkowska, C. H. Wang, D. Y. Kim, Popov, M. Z. Wang, K. Kinoshita, S. Paul, Seongbae Yang, M. Nayak, T. Julius, Yang Li, T. V. Dong, Y. Choi, K. J. Nath, Aulchenko, R. Pestotnik, C. Kiesling, R. B. Garg, G. Varner, B. G. Fulsom, Frank Simon, T. E. Browder, T. Hara, Ya-Qiu Jin, B. G. Cheon, M. Bračko, Jyoti Prakash Biswal, Gaur, G.V. Russo, Andrey Sokolov, Y-J Kwon, H. Ye, J. K. Lee, S. Pardi, Bansal, K. Senyo, K. Lalwani, S. Uno, K. Nishimura, C. Schwanda, Li Gio, L[Li Gio, L.], H. Hayashii, W. S. Hou, D. Kotchetkov, J. Haba, R. Kroeger, J. MacNaughton, C. H. Kim, R. Ayad, K. Cho, M. E. Sevior, Massimo Berger, M. Uchida, Semen Eidelman, Z. S. Stottler, L. K. Li, D. Liventsev, J. E. Fast, Zhilich, Y. Sakai, Tao Luo, T. Mori, Y. Usov, R. Itoh, K. Tanida, C. Z. Yuan, A. Rostomyan, P. Wang, Zhukova, I. Adachi, M. Salehi, E. Solovieva, S. C. Lee, T. Bilka, R. Van Tonder, B. K. Pal, M. Watanabe, P. Pakhlov, T. Ferber, H. Park, A. Bozek, J. G. Shiu, Phillip Urquijo, J. H. Yin, Pavel Krokovny, N. K. Nisar, Bhardwaj, J. S. Lange, A. B. Kaliyar, K. Trabelsi, C. P. Shen, Seok Kim, E. Won, T. Matsuda, A. Vinokurova, D. Epifanov, A.E. Bondar, M. Takizawa, John Yelton, T. K. Pedlar, S. K. Choi, A. Garmash, Motoki Iwasaki, M. Gelb, Chekelian, P. K. Behera, W. Sutcliffe, Tagir Aushev, Y. Onuki, M. Niiyama, J. Libby, Bo Wang, A. Bobrov, and B. Shwartz
Subjects: Physics, KEKB, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 0103 physical sciences, Pi, Analytical chemistry, Resonance, Invariant mass, 010306 general physics, 01 natural sciences, Bar (unit)
Abstract: A search for the decays B+→hcK+ and B0→hcKS0 is performed. Evidence for the decay B+→hcK+ is found; its significance is 4.8σ. No evidence is found for B0→hcKS0. The branching fraction for B+→hcK+ is measured to be (3.7-0.9+1.0 -0.8+0.8)×10-5; the upper limit for the B0→hcKS0 branching fraction is 1.4×10-5 at 90% C.L. In addition, a study of the pp¯π+π- invariant mass distribution in the channel B+→(pp¯π+π-)K+ results in the first observation of the decay ηc(2S)→pp¯π+π- with 12.1σ significance. The analysis is based on the 711 fb-1 data sample collected by the Belle detector at the asymmetric-energy e+e- collider KEKB at the ϒ(4S) resonance.
Published: 2019

19. Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive e+e− annihilation at s=10.58 GeV

Author: X. L. Wang, R. Van Tonder, B. K. Pal, R. B. Garg, A. Bozek, D. Epifanov, Soumya D. Mohanty, M. Uchida, L. K. Li, P. Goldenzweig, M. Lubej, G. Pakhlova, D. Liventsev, V. Bhardwaj, S. Sandilya, U. Tamponi, M. Nayak, M. Sumihama, Motoki Iwasaki, H. Hayashii, Hyunyong Kim, C. H. Kim, S. Jia, C. Kiesling, Victoria Zhukova, A. Chen, M. Takizawa, Takuro Sanuki, B. G. Cheon, T. Uglov, Pavel Krokovny, Kiyoshi Tanida, G. Schnell, T. Iijima, Somnath Choudhury, D. Matvienko, M. Z. Wang, Shih-Chang Lee, T. K. Pedlar, S. Pardi, E. Solovieva, K. Chilikin, R. Itoh, Jihwa Lee, John Yelton, T. Matsuda, Z. Doležal, Y. Jin, M. Bračko, K. Lalwani, A. Rostomyan, O. Grzymkowska, C. H. Wang, T. V. Dong, Y. Choi, K. J. Nath, S. Uno, S. Paul, L. Li Gioi, P. Wang, L. Santelj, C. Schwanda, B. Shwartz, Seokhee Park, J. G. Shiu, T. Kuhr, J. B. Kim, T.-A. Shibata, M. Starič, C. P. Shen, D. Kotchetkov, D. Cinabro, Seok Kim, R. Mussa, R. Kroeger, M. E. Sevior, I. S. Lee, Y. Sakai, A. M. Bakich, H. Ye, W. Sutcliffe, Tagir Aushev, Y. Onuki, E. Won, S. Korpar, A. Ishikawa, Tao Luo, R. Pestotnik, Y. Iwasaki, J. Libby, D. M. Asner, Y. J. Kwon, A. Garmash, V. Gaur, Y. Seino, K. Hayasaka, Z. Drásal, V. Bansal, P. Križan, V. M. Aulchenko, V.N. Zhilich, K. Inami, O. Schneider, P. Pakhlov, T. Ferber, H. Kichimi, Z. S. Stottler, Leo Piilonen, D. Joffe, A. Kuzmin, M. V. Purohit, Massimo Berger, M. Merola, Andrey Sokolov, N. Gabyshev, D. Červenkov, K. Miyabayashi, P. K. Behera, Seongbae Yang, B. G. Fulsom, A. Vossen, S. Nishida, G. Varner, K. Nishimura, C. Z. Yuan, E. Nakano, T. Nakano, K. Senyo, K. K. Joo, E. Prencipe, J. K. Ahn, T. Kawasaki, Z. Natkaniec, Vladimir Popov, J. E. Fast, S. Ogawa, F. Tenchini, Semen Eidelman, Phillip Urquijo, M. Gelb, E. Waheed, Sudhanwa Patra, Y. B. Li, C. H. Li, T. Bilka, M. Watanabe, V.E. Shebalin, A. B. Kaliyar, J. Schueler, G.V. Russo, W. S. Hou, T. Sumiyoshi, J. H. Yin, Dmytro Levit, B. Golob, J. S. Lange, R. Kulasiri, T. Julius, R. Seidl, S. Cunliffe, Peter Kodys, W. W. Jacobs, S. Di Carlo, A. K. Giri, M. Masuda, R. Ayad, K. Cho, L. Cao, S. Uehara, C. Beleño, H. Ono, R. Mizuk, Y. Unno, Iki Adachi, Doo Young Kim, M. Salehi, Bo Wang, H. Aihara, A. Bobrov, Y. Tao, T. Mori, Y. Usov, H. E. Cho, Z. P. Zhang, Jyoti Prakash Biswal, J. K. Lee, M. Nakao, and J. MacNaughton
Subjects: Physics, Annihilation, 010308 nuclear & particles physics, Scattering, Electron–positron annihilation, Nuclear Theory, Hadron, Thrust, 01 natural sciences, 7. Clean energy, Nuclear physics, Transverse plane, Pion, KEKB, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We report measurements of the production cross sections of charged pions, kaons, and protons as a function of fractional energy, the event-shape variable called thrust, and the transverse momentum with respect to the thrust axis. These measurements access the transverse momenta created in the fragmentation process, which are of critical importance to the understanding of any transverse-momentum-dependent distribution and fragmentation functions. The low transverse-momentum part of the cross sections can be well described by Gaussians in transverse momentum as is generally assumed but the fractional-energy dependence is nontrivial and different hadron types have varying Gaussian widths. The width of these Gaussians decreases with thrust and shows an initially rising, then decreasing fractional-energy dependence. The widths for pions and kaons are comparable within uncertainties, while those for protons are significantly narrower. These single-hadron cross sections and Gaussian widths are obtained from a 558 fb-1 data sample collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.
Published: 2019

20. Search for the B→Y(4260)K , Y(4260)→J/ψπ+π− decays

Author: M. Takizawa, Takuro Sanuki, Pavel Krokovny, Y. Iwasaki, V.N. Zhilich, Y. J. Kwon, R. Mussa, S. Cunliffe, P. C. Lu, H. B. Jeon, Leo Piilonen, O. Schneider, D. Joffe, B. G. Fulsom, Seongbae Yang, S. Nishida, K. Trabelsi, A. Ishikawa, Vladimir Popov, G. Pakhlova, Y. Seino, P. K. Resmi, C. P. Shen, Seok Kim, P. Križan, C.-L. Hsu, N. Gabyshev, D. Červenkov, Y. B. Li, M. Nayak, M. Uchida, Victoria Zhukova, C. Z. Yuan, L. K. Li, C. H. Li, Z. P. Zhang, V. Babu, D. Liventsev, K. Miyabayashi, B. G. Cheon, G. Schnell, A. Chen, E. Prencipe, Andrey Sokolov, X. L. Wang, G.V. Russo, S. Sandilya, J. Haba, M. Sumihama, K. Nishimura, Motoki Iwasaki, Z. Drásal, V. V. Zhulanov, K. K. Joo, Peter Kodys, W. W. Jacobs, S. Korpar, Sudhanwa Patra, T. Matsuda, R. Itoh, R. Van Tonder, J. K. Ahn, W. S. Hou, N. Dash, Seema Bahinipati, T. V. Dong, Y. Choi, K. J. Nath, B. K. Pal, A. Rostomyan, T. Kuhr, P. Wang, S. Di Carlo, T. K. Pedlar, Semen Eidelman, R. B. Garg, Kiyoshi Tanida, J. G. Shiu, Y. Sakai, Tagir Aushev, Y. Onuki, T. Julius, A. Garmash, H. Miyata, John Yelton, Z. Doležal, Jyoti Prakash Biswal, V. Bansal, Bo Wang, J. B. Kim, V. M. Aulchenko, A. B. Kaliyar, M. Bračko, K. Chilikin, M. Merola, J. K. Lee, K. Senyo, A. Bobrov, V. Bhardwaj, T. Kawasaki, Rahul Kumar, J. Schueler, T. Sumiyoshi, H. E. Cho, M. Nakao, C. Beleño, J. B. Singh, Shih-Chang Lee, S. K. Choi, E. Won, J. MacNaughton, V.E. Shebalin, R. Pestotnik, S. Jia, A. Bozek, P. Pakhlov, H. Aihara, Kevin Varvell, J. H. Yin, A. K. Giri, Y. Jin, V. Gaur, O. Grzymkowska, C. H. Wang, M. Masuda, S. Paul, B. Golob, T. Mori, J. E. Fast, Y. Usov, G. B. Mohanty, J. S. Lange, L. Cao, G. Varner, T. Bilka, S. Al Said, M. Watanabe, L. Li Gioi, S. Uno, C. Schwanda, T.-A. Shibata, H. Ye, D. Cinabro, K. Prasanth, D. Kotchetkov, E. Solovieva, K. Inami, M. Z. Wang, K. Kinoshita, H. Hayashii, R. Ayad, K. Cho, Iki Adachi, Doo Young Kim, M. Salehi, H. Ono, R. Mizuk, S. Pardi, Y. Unno, M. Starič, R. Kroeger, J. Libby, D. M. Asner, M. E. Sevior, K. Hayasaka, G. Inguglia, Z. S. Stottler, Tao Luo, S. Ogawa, F. Tenchini, H. Kichimi, E. Waheed, T. Uglov, and D. Matvienko
Subjects: Physics, Particle physics, KEKB, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Invariant mass, 010306 general physics, 01 natural sciences
Abstract: We report the results of a search for the B→Y(4260)K, Y(4260)→J/ψπ+π- decays. This study is based on a data sample corresponding to an integrated luminosity of 711 fb-1, collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We investigate the J/ψπ+π- invariant mass distribution in the range 4.0 to 4.6 GeV/c2 using both B+→J/ψπ+π-K+ and B0→J/ψπ+π-KS0 decays. We find excesses of events above the background levels, with significances of 2.1 and 0.9 standard deviations for charged and neutral B→Y(4260)K decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, B(B+→Y(4260)K+)×B(Y(4260)→J/ψπ+π-)
Published: 2019

21. Observation of Transverse Λ/Λ¯ Hyperon Polarization in e+e− Annihilation at Belle

Author: Vikas Bansal, I. Badhrees, H. Aihara, C. Van Hulse, S. Hirose, A. M. Bakich, Z. Natkaniec, A. Zupanc, T. Matsuda, S. Uno, N. Gabyshev, D. Červenkov, T. Sumiyoshi, S. E. Vahsen, G. Pakhlova, Rocky Bala Garg, Eberhard Widmann, R. Mussa, H. B. Jeon, J. K. Ahn, M. Niiyama, T. Mori, Y. Iwasaki, Y. J. Kwon, T. A. Shibata, H. Miyata, Y. Usov, G. Bonvicini, A. Ishikawa, Y. Seino, M. Nakao, Prafulla Kumar Behera, P. Križan, C. Beleño, M. Iwasaki, O. Schneider, Jyoti Prakash Biswal, M. Z. Wang, K. Kinoshita, G. Schnell, D. Matvienko, Byung Gu Cheon, I. Jaegle, R. Ayad, T. Iijima, L. Li Gioi, T. Julius, B. G. Fulsom, S. Al Said, A. Vinokurova, J. G. Shiu, H. Park, K. Cho, W. Sutcliffe, Yoshinobu Unno, A. Bozek, Vladimir Popov, Shih-Chang Lee, G. B. Mohanty, J. F. Strube, T. Kuhr, K. Senyo, S. H. Kim, Massimo Berger, R. Seidl, R. Itoh, B. Bhuyan, C. Kiesling, M. Nayak, Dipak Kumar Sahoo, Peter Kodys, C. Z. Yuan, W. W. Jacobs, T. E. Browder, K. H. Kang, S. Sandilya, Y. Yusa, S. Korpar, G.V. Russo, S. Cunliffe, H. J. Kim, D. Joffe, A. Bobrov, M. Bračko, E. Prencipe, M. Uchida, M. Gelb, L. K. Li, S. Di Carlo, T. K. Pedlar, V. Savinov, M. Salehi, N. K. Nisar, M. Takizawa, A. Garmash, Y. Guan, Andrey Sokolov, D. Epifanov, A. K. Giri, A. Chen, V. Bhardwaj, B. Pal, Z. P. Zhang, K. Inami, W. S. Hou, M. Masuda, M. Merola, C. Schwanda, Iki Adachi, James E. Fast, Doo Young Kim, D. Cinabro, K. Chilikin, V. Babu, T. V. Dong, L. Cao, Y. Choi, K. J. Nath, Semen Eidelman, X. L. Wang, Tagir Aushev, V. Chekelian, L. Santelj, J. B. Kim, V. Vorobyev, R. Van Tonder, Eleonora Guido, Phillip Urquijo, A. Rostomyan, P. Wang, T. Ferber, E. Won, V.E. Shebalin, Y. Sakai, R. Pestotnik, H. Hayashii, Z. Drásal, Y. B. Li, V. Gaur, J. H. Yin, V.M. Aulchenko, G. Varner, Ken Suzuki, Soumen Paul, H. Ono, R. Mizuk, H. Atmacan, B. Golob, H. K. Moon, J. S. Lange, Takuro Sanuki, Kiyoshi Tanida, R. Kulasiri, K. K. Joo, Pavel Krokovny, M. Sumihama, John Yelton, Z. Doležal, K. T. Kim, T. Bilka, S. K. Choi, C. P. Shen, Tara Nanut, T. Uglov, H. Ye, A. Kuzmin, S. Ogawa, F. Tenchini, U. Tamponi, E. Waheed, S. Jia, J. Libby, D. M. Asner, K. Hayasaka, Y. Jin, C. H. Wang, Takeo Kawasaki, Shoichi Watanuki, S. Pardi, S. Okuno, M. Lubej, G. Inguglia, V. Zhukova, P. Chang, J. Haba, P. Pakhlov, Tao Luo, S. Nishida, Bingran Wang, A. Rabusov, K. Adamczyk, Jochen Dingfelder, M. Starič, D. Liventsev, Vladimir Zhulanov, R. Kroeger, M. E. Sevior, I. S. Lee, P. Goldenzweig, N. Dash, D. Kotchetkov, Leo Piilonen, A. Vossen, O. Seon, Frank Simon, E. Solovieva, and V.N. Zhilich
Subjects: Physics, Particle physics, Annihilation, Electron–positron annihilation, Hyperon, General Physics and Astronomy, Polarization (waves), Lambda, 01 natural sciences, Belle experiment, Nuclear physics, Transverse plane, 0103 physical sciences, Fragmentation function, 010306 general physics
Abstract: We report the first observation of the spontaneous polarization of Λ and Λ[over ¯] hyperons transverse to the production plane in e^{+}e^{-} annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ[over ¯] production, we also report results with subtracted feed-down contributions from Σ^{0} and charm. This measurement uses a dataset of 800.4 fb^{-1} collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ[over ¯] hyperon.
Published: 2019

22. First measurement of the CKM angle ϕ$_{3}$ withS B$^{\pm}$ → D($ {K}_{\mathrm{S}}^0 $π$^{+}$+π$^{-}$π$^{0}$) K$^{\pm}$ decays

Author: C. MacQueen, S. Sandilya, B.A. Shwartz, Y. Guan, T. Bilka, Bingran Wang, A. J. Schwartz, T. Uglov, H. Aihara, T. K. Pedlar, M. Starič, D. Liventsev, T. Matsuda, M. Campajola, G. Inguglia, Z. S. Stottler, R. Kroeger, M. E. Sevior, V.N. Zhilich, K. Miyabayashi, I. Badhrees, A. Vinokurova, J. G. Shiu, H. Ye, P. Goldenzweig, M. Bračko, S. H. Kim, Iki Adachi, Tao Luo, E. Prencipe, Shih-Chang Lee, Y. Usov, Rakesh Kumar, K. H. Kang, J. Bennett, N. K. Nisar, G. Schnell, T. Iijima, James E. Fast, S. Al Said, G. De Nardo, Y. Iwasaki, Y. J. Kwon, Rok Pestotnik, J. Biswal, Z. P. Zhang, V. Babu, Semen Eidelman, M. Iwasaki, Doo Young Kim, A. K. Giri, H. E. Cho, O. Schneider, T. Nakano, B. G. Fulsom, D. Epifanov, M. Niiyama, P. C. Lu, H. B. Jeon, A. Ishikawa, U. Tamponi, T. Kuhr, B. Pal, B. G. Cheon, T. Sumiyoshi, D. Matvienko, P. Krǐzan, M. Z. Wang, Y. Seino, Somnath Choudhury, M. Nakao, T. Ferber, G. Pakhlova, K. Kinoshita, Martin Ritter, Seongbae Yang, N. Dash, Y. Jin, C. H. Wang, Pavel Krokovny, V. Shebalin, G.V. Russo, C. P. Shen, W. S. Hou, T. Sanuki, S. Cunliffe, A. Kuzmin, S. Ogawa, F. Tenchini, J. F. Strube, F. Di Capua, D. Kotchetkov, S. Uno, C. Schwanda, D. Cinabro, V. Gaur, C. Kiesling, M. Masuda, T. V. Dong, P. K. Resmi, J. Libby, H. Hayashii, Dipak Kumar Sahoo, Luka Santelj, P. Pakhlov, K. Senyo, K. Cho, D. M. Asner, K. Hayasaka, G. Varner, M. T. Prim, Takeo Kawasaki, Shoichi Watanuki, S. Pardi, K. Inami, A. Garmash, K. Trabelsi, Peter Kodys, W. W. Jacobs, M. Uchida, Tagir Aushev, V. Zhukova, Y. Onuki, M. Merola, A. B. Kaliyar, Y. B. Li, Leo Piilonen, V.M. Aulchenko, S. Di Carlo, G. Karyan, V. Bhardwaj, H. K. Moon, A. M. Bakich, R. Itoh, C. Beleño, A. Vossen, K. Nishimura, N. Gabyshev, D. Červenkov, Rocky Bala Garg, B. Golob, Y. Choi, K. J. Nath, K. Lieret, M. Nayak, E. Solovieva, S. Nishida, Y. Sakai, A. Chen, G. B. Mohanty, D. Joffe, M. Takizawa, M. Röhrken, V. Vorobyev, E. Won, Kiyoshi Tanida, Z. Doležal, K. T. Kim, X. L. Wang, R. Van Tonder, H. Park, A. Bozek, B. Bhuyan, V. Savinov, K. Huang, H. Ono, and R. Mizuk
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Unitarity, Meson, 010308 nuclear & particles physics, Resonance, 01 natural sciences, Flavor, Amplitude ratio, Amplitude, angle, CP, 0103 physical sciences, e+-e, CP violation, CKM, ddc:530, gamma, violation, 010306 general physics, Experiments
Abstract: We present the first model-independent measurement of the CKM unitarity triangle angle ϕ 3 using B ± → D( $$ {K}_{\mathrm{S}}^0 $$ K S 0 π + π − π 0) K ± decays, where D indicates either a D 0 or $$ \overline{D} $$ D ¯ 0 meson. Measurements of the strong-phase difference of the D → $$ {K}_{\mathrm{S}}^0 $$ K S 0 π + π − π 0 amplitude obtained from CLEO-c data are used as input. This analysis is based on the full Belle data set of 772 × 106 B $$ \overline{B} $$ B ¯ events collected at the Υ(4S) resonance. We obtain ϕ 3 = ( $$ {5.7}_{-8.8}^{+10.2} $$ 5.7 − 8.8 + 10.2 ±3.5±5.7) ° and the suppressed amplitude ratio r B = 0.323±0.147±0.023±0.051. Here the first uncertainty is statistical, the second is the experimental systematic, and the third is due to the precision of the strong-phase parameters measured from CLEO-c data. The 95% confidence interval on ϕ 3 is (−29.7, 109.5) ° , which is consistent with the current world average.
Published: 2019

23. Search for the rare decay of B+→ℓ+νℓγ with improved hadronic tagging

Author: Victoria Zhukova, Y. Yusa, J. Gemmler, Eberhard Widmann, J. F. Strube, A. Chen, M. Nayak, M. Gelb, A. Rostomyan, X. L. Wang, G. Varner, B. G. Cheon, V. Chekelian, Ya-Qiu Jin, Jihwa Lee, R. Mizuk, R. Van Tonder, B. K. Pal, M. Takizawa, G. Schnell, S. Al Said, M. Merola, J. Haba, Z. Doležal, R. B. Garg, B. Bhuyan, B. G. Fulsom, W. Sutcliffe, T. Kuhr, V. Babu, K. Chilikin, C. Beleño, D. Y. Kim, J. H. Yin, A. Garmash, Daniel Greenwald, S. C. Lee, T. Ferber, Tagir Aushev, S. K. Choi, S. Uno, V. Savinov, C. Schwanda, Felix Metzner, D. Epifanov, N. K. Nisar, Samo Stanič, V. Bansal, J. G. Shiu, R. Pestotnik, J. S. Lange, K. K. Joo, P. Pakhlov, Phillip Urquijo, Pavel Krokovny, A. Frey, T. Uglov, P. K. Behera, V. V. Zhulanov, Yang Li, K. Senyo, T. Kawasaki, T. K. Pedlar, P. Goldenzweig, T. V. Dong, Y. Choi, Peter Kodys, W. W. Jacobs, K. J. Nath, T. Hara, L. Santelj, Jyoti Prakash Biswal, M. Uchida, F. Tenchini, C. Z. Yuan, W. S. Hou, J. Kahn, C. P. Shen, Semen Eidelman, Seok Kim, S. Sandilya, D. Liventsev, H. Miyata, E. Prencipe, R. Mussa, T. Sumiyoshi, P. C. Lu, G. Russo, V.N. Zhilich, S. Di Carlo, A. Ishikawa, M. Nakao, Martin Ritter, R. Itoh, P. Križan, A. B. Kaliyar, Florian Urs Bernlochner, P. Wang, C. Kiesling, K. Miyabayashi, I. Badhrees, Bo Wang, T. Sanuki, A. K. Giri, M. Starič, G. Pakhlova, S. Nishida, M. Masuda, R. Kulasiri, G. B. Mohanty, Z. Natkaniec, J. Schueler, E. Won, B. Shwartz, L. Cao, A. Bobrov, M. Bračko, H. Atmacan, N. Gabyshev, D. Červenkov, M. Sumihama, Motoki Iwasaki, S. Cunliffe, Y. Iwasaki, O. Schneider, J. K. Lee, V. Gaur, Deepak Kumar Sahoo, M. Niiyama, J. Libby, J. MacNaughton, Kevin Varvell, L. Li Gioi, H. Ye, Y. Tao, T. Mori, H. Aihara, J. E. Fast, Z. P. Zhang, M. Watanabe, S. Jia, T.-A. Shibata, C. H. Wang, S. Paul, K. Inami, M. Mrvar, Leo Piilonen, D. Joffe, H. Hayashii, Hyunyong Kim, S. Zakharov, Seongbae Yang, M. Z. Wang, Nils Braun, O. Seon, Frank Simon, Vladimir Popov, Y. Sakai, N. Dash, E. Solovieva, D. Kotchetkov, Y-J Kwon, R. Kroeger, M. E. Sevior, I. S. Lee, Tao Luo, K. Tanida, H. Kichimi, R. Ayad, K. Cho, S. Pardi, D. Cinabro, Y. Unno, I. Adachi, G. Inguglia, M. Salehi, Somnath Choudhury, D. M. Asner, M. Lubej, K. Hayasaka, Y. Seino, M. T. Prim, Shoichi Watanuki, A. Kuzmin, S. Ogawa, Samo Korpar, and H. Yamamoto
Subjects: Physics, Particle physics, Muon, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, Photon energy, 01 natural sciences, Belle experiment, 0103 physical sciences, High Energy Physics::Experiment, B meson, 010306 general physics, Lepton
Abstract: We present the result of the search for the rare B meson decay of B+ -> l(+)nu e gamma with l = e, mu. For the search the full data set recorded by the Belle experiment of 711 fb(-1) integrated luminosity near the Upsilon(4S) resonance is used. Signal candidates are reconstructed for photon energies E-gamma larger than 1 GeV using a novel multivariate tagging algorithm. The novel algorithm fully reconstructs the second B meson produced in the collision using hadronic modes and was specifically trained to recognize the signal signature in combination with hadronic tag-side B meson decays. This approach greatly enhances the performance. Background processes that can mimic this signature, mainly charmless semileptonic decays and continuum processes, are suppressed using multivariate methods. The number of signal candidates is determined by analyzing the missing mass squared distribution as inferred from the signal side particles and the kinematic properties of the tag-side B meson. No significant excess over the background-only hypothesis is observed and upper limits on the partial branching fraction Delta B with E-gamma > 1 GeV individually for electron and muon final states as well as for the average branching fraction of both lepton final states are reported. We find a Bayesian upper limit of Delta B(B+ -> l(+)nu el) 0.24 GeV at 90% CL.
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 the branching fraction and time-dependent CP asymmetry for B0→J/ψπ0 decays

Author: Pavel Krokovny, S. Cunliffe, Y. Guan, D. Epifanov, J. Libby, K. Trabelsi, M. Merola, Seok Kim, T. K. Pedlar, J. E. Fast, E. Nakano, D. Matvienko, F. Tenchini, Samo Korpar, M. Sumihama, Motoki Iwasaki, H. Hayashii, R. B. Garg, B. Bhuyan, T. Sumiyoshi, Y-J Kwon, B. G. Fulsom, Martin Ritter, R. Mizuk, G. Schnell, K. Chilikin, R. Kroeger, M. E. Sevior, T. Bilka, T. Matsuda, T. Sanuki, T.-A. Shibata, D. M. Asner, G. Pakhlova, H. Miyata, K. Hayasaka, C. Beleño, Y. Sakai, R. Kulasiri, Yang Li, Seema Bahinipati, Bo Wang, Y. Choi, K. J. Nath, V. Savinov, T. Hara, L. Santelj, L. Li Gioi, T. Julius, T. Uglov, M. V. Purohit, H. Ono, K. Inami, M. Nayak, M. Gelb, Z. P. Zhang, B. G. Cheon, C.-L. Hsu, K. Senyo, G. Varner, Y. Seino, M. Z. Wang, K. Kinoshita, Peter Kodys, W. W. Jacobs, A. Kuzmin, M. Uchida, L. K. Li, S. Nishida, S. Ogawa, U. Tamponi, Tagir Aushev, N. Dash, E. Solovieva, E. Prencipe, S. Jia, D. Cinabro, S. Di Carlo, S. C. Lee, G. Russo, H. Park, A. Bozek, K. T. Kim, G. Karyan, Rahul Kumar, A. Garmash, V. Bansal, Z. Natkaniec, Kevin Varvell, C. H. Wang, S. Al Said, D. Kotchetkov, R. Itoh, A. K. Giri, Y. Unno, P. Wang, S. Paul, V. M. Aulchenko, M. Masuda, P. K. Behera, Y. Tao, T. Mori, H. Aihara, X. L. Wang, G. B. Mohanty, R. Ayad, K. Cho, V. Chekelian, Jyoti Prakash Biswal, K. Lalwani, S. Uno, C. Schwanda, S. Uehara, R. Van Tonder, B. K. Pal, V. Gaur, Deepak Kumar Sahoo, L. Cao, Leo Piilonen, D. Joffe, O. Seon, Frank Simon, Vladimir Popov, Somnath Choudhury, S. Pardi, M. Takizawa, John Yelton, Z. Doležal, R. Pestotnik, Victoria Zhukova, A. Chen, Eberhard Widmann, T. Higuchi, D. Červenkov, P. Goldenzweig, S. Sandilya, M. Starič, S. E. Vahsen, V.N. Zhilich, Y. Iwasaki, O. Schneider, M. Bračko, K. Miyabayashi, I. Badhrees, A. J. Schwartz, D. Y. Kim, W. S. Hou, Andrey Sokolov, V. Vorobyev, J. H. Yin, Semen Eidelman, P. C. Lu, A. Ishikawa, B. Golob, M. Nakao, P. Križan, J. Schueler, E. Won, H. Atmacan, and K. Tanida
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, media_common.quotation_subject, Resonance, 01 natural sciences, Asymmetry, Belle experiment, law.invention, KEKB, law, 0103 physical sciences, CP violation, 010306 general physics, Collider, media_common
Abstract: We measure the branching fraction and time-dependent CP-violating asymmetry for B0→J/ψπ0 decays using a data sample of 711 fb-1 collected on the ϒ(4S) resonance by the Belle experiment running at the KEKB e+e- collider. The branching fraction is measured to be B(B0→J/ψπ0)=[1.62±0.11(stat)±0.06(syst)]×10-5, which is the most precise measurement to date. The measured CP asymmetry parameters are S=-0.59±0.19(stat)±0.03(syst) and A=-0.15±0.14(stat)+0.04-0.03(syst). The mixing-induced CP asymmetry (S) differs from the case of no CP violation by 3.0 standard deviations, and the direct CP asymmetry (A) is consistent with zero.
Published: 2018

26. Measurement of the decays Λc→Σππ at Belle

Author: Tagir Aushev, Y. Onuki, Iki Adachi, H. Miyata, M. Watanabe, Bo Wang, U. Tamponi, V. Gaur, S. Jia, Doo Young Kim, Y. Jin, O. Grzymkowska, C. H. Wang, K. Suzuki, S. Paul, V. M. Aulchenko, L. Li Gioi, J. Libby, D. M. Asner, M. Lubej, K. Hayasaka, A. Kuzmin, H. Ye, M. Nayak, G. Varner, Victoria Zhukova, F. Tenchini, A. B. Kaliyar, M. Niiyama, A. Chen, R. Mussa, A. Garmash, Elisa Guido, Shih-Chang Lee, S. Nishida, Takuro Sanuki, G. Schnell, B. G. Cheon, T. Uglov, D. Kotchetkov, V.N. Zhilich, R. Kulasiri, Z. Natkaniec, V.E. Shebalin, S. Al Said, M. T. Hedges, B. Shwartz, Pavel Krokovny, M. Salehi, T. Iijima, A. Ishikawa, J. Haba, Y. Seino, P. Križan, V. Bansal, Peter Kodys, W. W. Jacobs, Tao Luo, T. Nakano, K. K. Joo, S. Korpar, T. Kuhr, K. Senyo, A. Zupanc, T. Julius, G. Russo, H. Park, A. Bozek, S. Uno, C. Schwanda, K. Chilikin, H. Hayashii, Hyunyong Kim, S. Zakharov, T. Kawasaki, M. Sumihama, Motoki Iwasaki, D. Cinabro, I. Jaegle, Y. Watanabe, H. Kichimi, K. Miyabayashi, I. Badhrees, S. Di Carlo, M. Uchida, Andrey Sokolov, M. Merola, H. Atmacan, T.-A. Shibata, Y. Yusa, G. Karyan, L. K. Li, P. K. Behera, Massimo Berger, M. Takizawa, C. Z. Yuan, H. Ono, R. Mizuk, D. Liventsev, C. P. Shen, Noritaka Shimizu, Phillip Urquijo, M. Starič, Y. B. Li, T. Nanut, V. V. Zhulanov, Seok Kim, A. K. Giri, Y. Choi, K. J. Nath, R. Kroeger, M. E. Sevior, I. S. Lee, E. Won, R. Pestotnik, K. Inami, T. Hara, L. Santelj, A. Rostomyan, Semen Eidelman, X. L. Wang, Y. Sakai, R. Itoh, W. S. Hou, T. Sumiyoshi, Martin Ritter, V. Babu, M. Z. Wang, K. Kinoshita, J. B. Kim, M. Masuda, C. Kiesling, P. Wang, T. Czank, N. Dash, E. Solovieva, G. B. Mohanty, Y. Unno, B. K. Pal, V. Vorobyev, T. Ferber, I. Pavelkin, R. Ayad, K. Cho, C. B. Van Hulse, G. Pakhlova, R. B. Garg, M. Bračko, B. Bhuyan, Leo Piilonen, T. E. Browder, J. K. Ahn, A. J. Schwartz, P. Pakhlov, A. Vossen, A. M. Bakich, V. Savinov, N. K. Nisar, H. K. Moon, O. Seon, Frank Simon, J. S. Lange, Vladimir Popov, N. Gabyshev, D. Červenkov, Eberhard Widmann, J. F. Strube, Dipanwita Dutta, D. Matvienko, Z. P. Zhang, Jyoti Prakash Biswal, M. Nakao, P. Goldenzweig, S. Sandilya, H. Aihara, T. K. Pedlar, Y. Iwasaki, Y. J. Kwon, O. Schneider, B. G. Fulsom, Kevin Varvell, T. Mori, Y. Usov, T. Matsuda, G. Bonvicini, A. Vinokurova, J. G. Shiu, K. H. Kang, D. Epifanov, V. Bhardwaj, M. Gelb, G. Inguglia, S. Okuno, K. T. Kim, Y. Guan, Kiyoshi Tanida, John Yelton, Z. Doležal, and J. E. Fast
Subjects: Physics, KEKB, 010308 nuclear & particles physics, Full data, Electron–positron annihilation, 0103 physical sciences, Pi, Analytical chemistry, 010306 general physics, Lambda, 01 natural sciences
Abstract: We report measurements of the branching fractions of the decays Lambda(+)(c) -> Sigma(+)pi(-)pi(+), Lambda(+)(c) -> Sigma(0)pi(+)pi(0) and Lambda(+)(c) -> Sigma(+)pi(0)pi(0) relative to the reference channel Lambda(+)(c) -> pK(-)p(+). The analysis is based on the full data sample collected at and near the gamma(4S) resonance by the Belle detector at the KEKB asymmetric-energy ethorne-collider, corresponding to an integrated luminosity of 711 fb(-1). We measure B(Lambda(+)(c) -> Sigma(+)pi(-)pi(+))/B(Lambda(+)(c) -> pK(-)pi(+)) = 0.719 +/- 0.003 +/- 0.024, B(Lambda(+)(c) -> Sigma(0) pi(+)pi(0))/B(Lambda(+)(c) -> pK(-)pi(+)) = 0.575 +/- 0.005 +/- 0.036 and B(Lambda(+)(c) -> Sigma(+)pi(0)pi(0))/B(Lambda(+)(c) -> pK(-)pi(+)) = 0.247 +/- 0.006 +/- 0.019. The listed uncertainties are statistical and systematic, respectively.
Published: 2018

27. Inclusive study of bottomonium production in association with an $$\eta $$ η meson in $$e^+e^-$$ e + e - annihilations near $$\varUpsilon (5S)$$ Υ ( 5 S )

Author: G. Schnell, Y. Iwasaki, Y. J. Kwon, S. Uehara, O. Schneider, J. Libby, D. M. Asner, K. Hayasaka, H. Ye, B. G. Fulsom, S. Al Said, Yang Li, Y. Choi, K. J. Nath, E. Won, S. Sandilya, B. Bhuyan, R. Pestotnik, M. Gelb, M. Nayak, Y. Sakai, N. Dash, A. Chen, H. Hayashii, T. Sumiyoshi, T. E. Browder, H. Aihara, G. Inguglia, V. Zhukova, T. K. Pedlar, D. Matvienko, Z. Drásal, Martin Ritter, S. Zakharov, D. Kotchetkov, T. Sanuki, Soumen Paul, V. Savinov, M. Uchida, L. K. Li, Andrey Sokolov, C. Schwanda, D. Cinabro, M. Salehi, H. Ono, M. Watanabe, B. Pal, X. L. Wang, S. Okuno, V. Bhardwaj, U. Tamponi, R. Mizuk, Phillip Urquijo, James E. Fast, V. Babu, Massimo Berger, K. K. Joo, M. Z. Wang, K. Kinoshita, T. Czank, E. Solovieva, Semen Eidelman, T. Julius, R. Mussa, T. Luo, I. Jaegle, H. B. Jeon, M. Iwasaki, J. Haba, A. Ishikawa, B. G. Cheon, V. Gaur, Y. Yusa, Leo Piilonen, Y. Seino, P. Križan, Y. Jin, C. H. Wang, Iki Adachi, Doo Young Kim, M. Takizawa, A. Vossen, C. Z. Yuan, P. Wang, K. Senyo, S. Cunliffe, T. Ferber, F. Tenchini, R. Itoh, O. Seon, J. B. Kim, Vikas Bansal, S. Korpar, M. Bračko, Yoshinobu Unno, C. Van Hulse, H. K. Moon, G. Varner, A. M. Bakich, N. Shimizu, R. Ayad, K. Cho, Pavel Krokovny, A. Bozek, E. Widmann, Z. Natkaniec, Peter Kodys, K. Trabelsi, G.V. Russo, C. P. Shen, K. Chilikin, S. Di Carlo, T. Hara, N. Gabyshev, D. Červenkov, T. Kawasaki, W. S. Hou, M. T. Hedges, P. Pakhlov, Tara Nanut, T. Uglov, T. Mori, V. Vorobyev, K. Inami, H. Kichimi, V.E. Shebalin, Bingran Wang, M. Masuda, A. Rostomyan, S. Nishida, B.A. Shwartz, Jyoti Prakash Biswal, H. Park, M. Starič, D. Liventsev, Vladimir Zhulanov, D. Epifanov, V.N. Zhilich, R. Kroeger, M. E. Sevior, I. S. Lee, P. Goldenzweig, A. Garmash, Tagir Aushev, J. F. Strube, Y. Onuki, M. Merola, H. J. Kim, V.M. Aulchenko, I. Badhrees, E. L. Barberio, N. K. Nisar, Z. P. Zhang, K. T. Kim, R. Kulasiri, G. Pakhlova, Shih-Chang Lee, Y. Watanabe, T. Matsuda, S. Uno, L. Li Gioi, A. Vinokurova, J. G. Shiu, S. H. Kim, K. H. Kang, H. Atmacan, A.E. Bondar, Kiyoshi Tanida, Z. Doležal, A. Zupanc, T. A. Shibata, H. Miyata, Prafulla Kumar Behera, Rocky Bala Garg, Gagan Bihari Mohanty, and Elisa Guido
Subjects: Physics, Particle physics, Physics and Astronomy (miscellaneous), Meson, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Quarkonium, 01 natural sciences, Belle experiment, Particle decay, KEKB, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Engineering (miscellaneous)
Abstract: We study bottomonium production in association with an $$\eta $$ meson in $$e^+e^-$$ annihilations near the $$\varUpsilon (5S)$$ , at a centre-of-mass energy of $$\sqrt{s}=10.866$$ GeV. The results are based on the 121.4 fb $$^{-1}$$ data sample collected by the Belle experiment at the asymmetric-energy KEKB collider. Only the $$\eta $$ meson is reconstructed and the missing-mass spectrum of $$\eta $$ candidates is investigated. We observe the $$e^+e^-\rightarrow \eta \varUpsilon _J(1D)$$ process and find evidence for the $$e^+e^-\rightarrow \eta \varUpsilon (2S)$$ process, while no significant signals of $$\varUpsilon (1S)$$ , $$h_b(1P)$$ , nor $$h_b(2P)$$ are found. Cross sections for the studied processes are reported.
Published: 2018

28. Search for ϒ(1S,2S)→Zc+Zc(′)− and e+e−→Zc+Zc(′)− at s=10.52 , 10.58, and 10.867 GeV

Author: Pavel Krokovny, Shih-Chang Lee, Suyong Choi, A. K. Giri, U. Tamponi, M. Starič, M. Sumihama, Motoki Iwasaki, B. Shwartz, S. Uno, K. Trabelsi, E. Nakano, Y. J. Kwon, J. Libby, D. M. Asner, C. Schwanda, D. Cinabro, C. P. Shen, M. Lubej, K. Hayasaka, R. Kroeger, M. E. Sevior, I. S. Lee, A. Garmash, S. Jia, Seok Kim, M. Masuda, Tagir Aushev, O. Schneider, G.V. Russo, A. Zupanc, V. M. Aulchenko, V. Bansal, K. Kinoshita, V. Babu, B. G. Fulsom, Meng Wang, Vladimir Popov, Y. Jin, R. Mussa, H. B. Jeon, J. B. Kim, S. Nishida, A. Ishikawa, M. Merola, S. Paul, T. Ferber, W. S. Hou, Y. Seino, B. G. Cheon, R. Kulasiri, Jyoti Prakash Biswal, Elisa Guido, G. Schnell, T. Iijima, J. E. Fast, Iki Adachi, P. Križan, V.E. Shebalin, M. Uchida, Z. Natkaniec, C. Z. Yuan, Doo Young Kim, K. Chilikin, Tara Nanut, S. Pardi, S. Okuno, Zhicai Zhang, T. Kuhr, V. Vorobyev, C. B. Van Hulse, L. K. Li, P. Goldenzweig, S. Sandilya, K. T. Kim, T.-A. Shibata, C. Beleño, Andrey Sokolov, G. Pakhlova, T. Uglov, J. Haba, D. Liventsev, T. Bilka, V. V. Zhulanov, M. Salehi, Tao Luo, V. Gaur, T. K. Pedlar, T. Kumita, T. Julius, M. Nakao, M. Watanabe, K. Inami, Semen Eidelman, M. T. Hedges, S. Korpar, Peter Kodys, W. W. Jacobs, J. MacNaughton, Chunjie Wang, S. Di Carlo, G. Karyan, Shigeki Hirose, T. Matsuda, L. Li Gioi, G. Inguglia, H. Aihara, T. Sumiyoshi, Young-Il Choi, Martin Ritter, R. Itoh, Phillip Urquijo, Kiyoshi Tanida, P. Wang, T. Sanuki, S. Ogawa, H. Miyata, Prafulla Kumar Behera, Y. B. Li, F. Tenchini, Somnath Choudhury, G. Varner, H. Hayashii, Hyunyong Kim, S. Zakharov, Z. Doležal, H. Ye, A. Vinokurova, J. G. Shiu, S. Cunliffe, P. Pakhlov, V.N. Zhilich, Y. Usov, M. Gelb, Bo Wang, H. Ono, I. Jaegle, K. Miyabayashi, I. Badhrees, K. Senyo, E. Won, T. Kawasaki, R. Mizuk, R. Pestotnik, H. K. Moon, J. S. Lange, M. Niiyama, Yang Li, M. Nayak, K. J. Nath, T. Hara, L. Santelj, Victoria Zhukova, R. Ayad, K. Cho, Y. Sakai, A. Chen, M. Takizawa, N. Dash, E. Solovieva, Leo Piilonen, A. Vossen, Frank Simon, D. Kotchetkov, Rocky Bala Garg, Eberhard Widmann, J. F. Strube, B. Bhuyan, V. Savinov, Samo Stanič, A. Rostomyan, X. L. Wang, V. Chekelian, B. K. Pal, C. Kiesling, M. Bračko, H. Park, A. Bozek, N. Gabyshev, D. Červenkov, and S. Al Said
Subjects: Physics, KEKB, Annihilation, 010308 nuclear & particles physics, Branching fraction, 0103 physical sciences, Analytical chemistry, High Energy Physics::Experiment, 010306 general physics, 01 natural sciences
Abstract: The first search for double charged charmoniumlike state production in gamma (IS) and gamma (2S) decays and in e(+) e(-) annihilation at root s = 10.52, 10.58, and 10.867 GcV is conducted using data collected with the Belle detector at the KEKB asymmetric energy electron-positron collider. No significant signals are observed in any of the studied modes, and the 90% credibility level upper limits on their product branching fractions in gamma(1S) and gamma(2S) decays [B(gamma(1S, 2S) -> Z(c)(+)Z(c)((')-)) x B(Z(c)(+) -> pi(+) + c (c) over bar ) (c (c) over bar = J / psi, chi(c1) (1P), psi(2S))] and the product of Born cross section and branching fraction for e(+)e(-) -> Z(c)(+)Z(c)((')-)) (sigma(e(+)e(-) -> Z(c)(+)Z(c)((')-)) x B(Z(c)(+) -> pi(+) + c (c) over bar )) at root s = 10.52, 10.58, and 10.867 GeV are determined. Here, Z(c) refers to the Z(c) (3900) and Z(c) (4200) observed in the pi J/psi final state, the Z(c1)(4050) and Z(c2)(4250) in the pi chi(c1)(1P) final state, and the Z(c)(4050) and Z(c)(4430) in the pi psi(2S) final state.
Published: 2018

29. Measurement of time-dependent CP asymmetries in B0→KS0ηγ decays

Author: U. Tamponi, S. Jia, Soumen Paul, H. Aihara, Tagir Aushev, Y. Jin, C. H. Wang, Elisa Guido, M. Iwasaki, R. Ayad, K. Cho, T. Hara, G. Schnell, T. Iijima, H. Ye, Y. Usov, Byung Gu Cheon, I. Jaegle, T. Matsuda, S. Uno, T. Bilka, V.M. Aulchenko, Jyoti Prakash Biswal, Leo Piilonen, M. Watanabe, T. Kuhr, R. Itoh, A. Vossen, A. B. Kaliyar, S. Pardi, Yang Li, H. K. Moon, J. G. Shiu, J. S. Lange, S. Korpar, Peter Kodys, W. W. Jacobs, Pavel Krokovny, Frank Simon, J. MacNaughton, V.E. Shebalin, Andrey Sokolov, H. J. Kim, S. H. Kim, Y. Choi, K. J. Nath, M. Uchida, L. Santelj, L. K. Li, T. Nanut, R. Kulasiri, A. J. Schwartz, Dipak Kumar Sahoo, B. Pal, K. Trabelsi, Z. P. Zhang, W. S. Hou, S. Okuno, S. Di Carlo, A. Rostomyan, C. P. Shen, M. Sumihama, V. Gaur, H. Ono, R. Mizuk, G. Karyan, C. Z. Yuan, Y. Sakai, V. Chekelian, V. Vorobyev, V. Babu, S. Sandilya, S. Cunliffe, Phillip Urquijo, K. Senyo, K. Chilikin, E. Solovieva, N. Dash, Vikas Bansal, T. Ferber, S. Ogawa, Z. Natkaniec, M. Gelb, T. K. Pedlar, T. Kumita, Y. B. Li, G. Varner, E. Widmann, James E. Fast, G. B. Mohanty, E. Nakano, F. Tenchini, V.N. Zhilich, C. Beleño, D. Kotchetkov, C. Van Hulse, Shih-Chang Lee, Iki Adachi, P. Pakhlov, M. T. Hedges, Doo Young Kim, Y. Yusa, S. Al Said, Hitoshi Yamamoto, G. Inguglia, P. Wang, V. Zhukova, J. Haba, N. Gabyshev, D. Červenkov, Semen Eidelman, M. Takizawa, M. Salehi, K. Inami, Y. Iwasaki, Y. J. Kwon, R. Mussa, H. B. Jeon, K. Miyabayashi, J. B. Kim, E. Won, N. Shimizu, S. Nishida, R. Pestotnik, T. Uglov, O. Schneider, H. Nakano, I. Badhrees, G. Russo, H. Park, A. Ishikawa, Tao Luo, B. G. Fulsom, A. Bozek, C. Schwanda, Y. Seino, M. Nakao, A. K. Giri, K. Sumisawa, P. Križan, D. Cinabro, M. Nayak, C. Kiesling, Somnath Choudhury, B. Bhuyan, M. Masuda, S. Hirose, T. Kawasaki, Bingran Wang, T. Sumiyoshi, V. Savinov, J. Libby, D. M. Asner, M. Lubej, K. Hayasaka, J. F. Strube, M. Bračko, Xuejun Wang, Martin Ritter, B.A. Shwartz, Rocky Bala Garg, T. Sanuki, H. Hayashii, M. Starič, D. Liventsev, M. Z. Wang, K. Kinoshita, Vladimir Zhulanov, R. Kroeger, M. E. Sevior, I. S. Lee, P. Goldenzweig, Vladimir Popov, T. Julius, Samo Stanič, Kiyoshi Tanida, Z. Doležal, K. T. Kim, S. K. Choi, T. A. Shibata, H. Miyata, Prafulla Kumar Behera, A. Garmash, S. Zakharov, A. Zupanc, M. Merola, Y. Guan, M. Niiyama, G. Pakhlova, and L. Li Gioi
Subjects: Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Detector, Resonance, 01 natural sciences, Symmetry (physics), law.invention, KEKB, law, 0103 physical sciences, CP violation, High Energy Physics::Experiment, Invariant mass, Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment, 010306 general physics, Collider, Astrophysics::Galaxy Astrophysics
Abstract: We report a measurement of time-dependent CP violation parameters in B0→KS0ηγ decays. The study is based on a data sample, containing 772×106BB¯ pairs, that was collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the CP violation parameters of S=-1.32±0.77(stat)±0.36(syst) and A=-0.48±0.41(stat)±0.07(syst) for the invariant mass of the KS0η system up to 2.1 GeV/c2.
Published: 2018

30. Production cross sections of hyperons and charmed baryons from e+e− annihilation near s=10.52 GeV

Author: D. Matvienko, K. Chilikin, Kiyoshi Tanida, T. Luo, Y. Watanabe, D. M. Asner, K. Hayasaka, Z. Doležal, J. Libby, H. J. Kim, D. Dutta, P. Kodyš, Hitoshi Miyata, R. Mussa, E. Nakano, S. Uno, Y. Yusa, V. Chekelian, Minu Kim, Y. Choi, Jyoti Prakash Biswal, W. W. Jacobs, G. Bonvicini, C. H. Wang, B. G. Cheon, T. Uglov, Y. Unno, A. Sokolov, R. Itoh, S. Sandilya, D. Joffe, C. H. Li, R. Gillard, S. Pardi, K. T. Kim, Meng Wang, L. Santelj, Leo Piilonen, V. Bansal, Semen Eidelman, R. Mizuk, H. K. Moon, C. Van Hulse, K. J. Nath, A. Vossen, M. Sumihama, V. Shebalin, J. Haba, H. Sahoo, E. Barberio, R. Seidl, Li-Xin Li, Frank Simon, T. K. Pedlar, B. Bhuyan, P. Pakhlov, V. Zhilich, Zhengkang Zhang, T. Nanut, S. Uehara, Toru Iijima, V. Babu, S. Di Carlo, G. Karyan, H. Hayashii, S. Nishida, H. Farhat, T. Julius, Iki Adachi, Doo Young Kim, K. Miyabayashi, V. Bhardwaj, Pavel Krokovny, P. Wang, M. Masuda, V. Zhulanov, T. Matsuda, G. Schnell, T. Ferber, M. Uchida, S. H. Kim, Z. Natkaniec, B. Pal, S. Al Said, A. Ishikawa, H. Park, K. Senyo, I. Jaegle, Y. Kato, B. Shwartz, I. Badhrees, V. Savinov, Y. Seino, M. Nakao, A. M. Bakich, K. K. Joo, Tagir Aushev, A. Zupanc, J. S. Lange, K. Cho, C. Pulvermacher, M. C. Chang, D. Liventsev, T. A. Shibata, M. Ritter, N. Gabyshev, B. G. Fulsom, R. Kulasiri, H. Aihara, O. Schneider, N. K. Nisar, Y. J. Kim, A. Bobrov, J. E. Fast, I. S. Lee, K. Kinoshita, A. Bozek, V. Aulchenko, Takao Mori, A. Garmash, Y-J Kwon, M. Starič, R. Ayad, M. Niiyama, N. Dash, C. Z. Yuan, K. M. Williams, E. Solovieva, T. Sumiyoshi, M. Berger, K. Inami, C. Schwanda, M. E. Sevior, Y. Yamashita, E. Widmann, F. Tenchini, S. Ogawa, D. Cinabro, Y. Sato, T. Hara, V. Gaur, A. Kuzmin, Y. Jin, P. Križan, H. Ye, J. B. Kim, Y. Iwasaki, A. Chen, G. Varner, D. Kotchetkov, D. Červenkov, G. Pakhlova, L. Li Gioi, M. Merola, Z. Drásal, P. Katrenko, C. P. Shen, J. G. Shiu, T. Nakano, M. Nayak, T. E. Browder, R. Chistov, P. Goldenzweig, E. Won, H. Ono, M. Bračko, M. Takizawa, Yang Li, and Y. Sakai
Subjects: Physics, Particle physics, Annihilation, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, Nuclear Theory, High Energy Physics::Phenomenology, Hyperon, 01 natural sciences, Baryon, Nuclear physics, Diquark, Charmed baryons, KEKB, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We measure the inclusive production cross sections of hyperons and charmed baryons from e(+)e(-) annihilation using a 800 fb(-1) data sample taken near the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The feed-down contributions from heavy particles are subtracted using our data, and the direct production cross sections are presented for the first time. The production cross sections divided by the number of spin states for S = -1 hyperons follow an exponential function with a single slope parameter except for the Sigma(1385)(+) resonance. Suppression for Sigma(1385)(+) and Xi(1530)(0) hyperons is observed. Among the production cross sections of charmed baryons, a factor of 3 difference for Lambda(+)(c) states over Sigma(c) states is observed. This observation suggests a diquark structure for these baryons.
Published: 2018

31. Observation of excited Ωc charmed baryons in e+e− collisions

Author: Y. Watanabe, P. Kodyš, Hitoshi Miyata, R. Mussa, Leo Piilonen, Frank Simon, H. J. Kim, N. Gabyshev, M. Merola, Pavel Krokovny, Y. Unno, B. G. Fulsom, R. Kroeger, I. S. Lee, T. E. Browder, A. Zupanc, M. Masuda, K. E. Varvell, M. Gelb, J. S. Lange, A. Kuzmin, Wei-Shu Hou, K. Chilikin, M. Uchida, V. Zhilich, K. Kinoshita, Y. Yusa, A. Vinokurova, G. Pakhlova, Jyoti Prakash Biswal, D. Červenkov, S. Nishida, A. Bozek, V. Aulchenko, V. Bansal, T. Luo, V. Bhardwaj, S. Sandilya, D. Matvienko, Zhengkang Zhang, P. Wang, X. L. Wang, N. Dash, E. Solovieva, T. K. Pedlar, L. Li Gioi, Samo Korpar, P. Goldenzweig, T. Nanut, V. Popov, Cong Wang, J. Yelton, S. Paul, R. Pestotnik, Takao Mori, K. Suzuki, P. Križan, Kiyoshi Tanida, O. Schneider, C. P. Shen, J. G. Shiu, R. Ayad, H. Kichimi, Prafulla Kumar Behera, Y. Choi, Z. Doležal, B. Bhuyan, Tagir Aushev, E. Won, H. Ono, V. Gaur, T. Sumiyoshi, G. B. Mohanty, Meng Wang, T. Julius, C. H. Li, J. B. Singh, K. H. Kang, R. Itoh, D. Greenwald, N. Shimizu, T. Uglov, M. Nayak, F. Tenchini, J. E. Fast, D. Liventsev, V. Babu, S. Di Carlo, Semen Eidelman, A. Garmash, G. Karyan, H. B. Jeon, K. Inami, B. Pal, Y. Kato, M. Niiyama, G. Varner, I. Pavelkin, A. Ishikawa, H. Park, V. Savinov, Y. Seino, M. Nakao, V. Zhulanov, S. H. Kim, J. F. Strube, S. Watanuki, B. Shwartz, V. Vorobyev, S. K. Choi, S. Al Said, E. Nakano, D. Dutta, T. Kuhr, V. Shebalin, Anjan K. Giri, E. Guido, P. Pakhlov, H. Ye, Y. Iwasaki, K. J. Nath, M. Takizawa, W. W. Jacobs, B. G. Cheon, M. Ritter, T. Ferber, M. Berger, A. M. Bakich, T. A. Shibata, S. Okuno, A. Bobrov, Y. Jin, H. Aihara, H. Hayashii, S. Zakharov, T. Aziz, G. Inguglia, U. Tamponi, J. B. Kim, A. Chen, E. Widmann, Y. Usov, S. Ogawa, C. Schwanda, D. Kotchetkov, D. Cinabro, M. Iwasaki, M. Bračko, L. K. Li, Yang Li, E. Barberio, Y. Sakai, Sayantan Choudhury, D. M. Asner, M. Lubej, K. Hayasaka, P. Chang, S. Uno, T. Kumita, R. Garg, R. Kulasiri, S. C. Lee, M. Sumihama, G. Russo, M. T. Hedges, J. Haba, N. K. Nisar, B. Golob, T. Kawasaki, Y-J Kwon, M. Starič, M. E. Sevior, R. Mizuk, H. K. Moon, Iki Adachi, Doo Young Kim, G. Schnell, T. Czank, and K. Cho
Subjects: Charmed baryons, Nuclear physics, Physics, 010308 nuclear & particles physics, Excited state, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Omega
Abstract: Using the entire Belle data sample of 980 fb(-1) of e(+)e(-) collisions, we present the results of a study of excited Omega(c) charmed baryons in the decay mode (sic)(c)(+) K-. We show confirmation of four of the five narrow states reported by the LHCb Collaboration: the Omega(c)(3000), Omega(c)(3050), Omega(c)(3066), and Omega(c)(3090).
Published: 2018

32. Measurement of branching fractions of hadronic decays of the <math><msubsup><mi>Ω</mi><mi>c</mi><mn>0</mn></msubsup></math> baryon

Author: K. Suzuki, V. Babu, N. Dash, D. Kotchetkov, T. Ferber, Meng Wang, J. Yelton, Y. Guan, Vikas Bansal, E. Nakano, Elisa Guido, T. Matsuda, D. Matvienko, Y. Yusa, G. Schnell, T. Iijima, A. J. Schwartz, Leo Piilonen, D. Joffe, M. Takizawa, J. Haba, S. Uno, P. Krian, R. Mussa, R. Ayad, K. Cho, A. Vossen, H. B. Jeon, Shih-Chang Lee, H. K. Moon, Jasvinder A. Singh, J. S. Lange, A. Ishikawa, H. Atmacan, Y. Seino, M. Nakao, C. W. Park, Y. Watanabe, J. G. Shiu, T. Kuhr, N. Shimizu, Tariq Aziz, A.E. Bondar, B.A. Shwartz, Pavel Krokovny, V.N. Zhilich, S. Sandilya, S. H. Kim, Yang Li, Kiyoshi Tanida, T. E. Browder, T. Kawasaki, K. J. Nath, Andrey Sokolov, Young-Il Choi, Tagir Aushev, M. Uchida, M. Starič, D. Liventsev, L. K. Li, A. Bobrov, K. Miyabayashi, Y. Sakai, T. A. Shibata, Iki Adachi, V. Bhardwaj, Doo Young Kim, V. Savinov, Vladimir Zhulanov, James E. Fast, X. L. Wang, H. Miyata, Prafulla Kumar Behera, M. Gelb, R. Kroeger, M. E. Sevior, I. S. Lee, V.M. Aulchenko, T. Luo, C. P. Shen, Soumen Paul, Semen Eidelman, H. Ye, T. K. Pedlar, T. Kumita, J. B. Kim, S. Nishida, P. Goldenzweig, E. Solovieva, P. Wang, R. Kulasiri, M. Sumihama, G. Russo, H. Park, A. Bozek, V. Vorobyev, M. Iwasaki, B. G. Cheon, Y. Iwasaki, Y. J. Kwon, J. Libby, D. M. Asner, M. Lubej, K. Hayasaka, V. Chekelian, R. Itoh, J. F. Strube, O. Schneider, T. Nanut, S. Korpar, R. Mizuk, B. G. Fulsom, Chunjie Wang, S. Pardi, S. Okuno, A. Garmash, D. Servenkov, Y. Jin, M. Niiyama, H. Kichimi, H. Hayashii, S. Zakharov, G. Inguglia, V. Zhukova, P. Chang, A. Kuzmin, Somnath Choudhury, S. Ogawa, W. S. Hou, F. Tenchini, E. Waheed, T. Uglov, K. Kinoshita, U. Tamponi, T. Czank, M. Merola, A. Zupanc, Peter Kodys, W. W. Jacobs, E. Won, R. Pestotnik, G. Pakhlova, S. Di Carlo, M. Nayak, G. Karyan, A. Chen, V. Gaur, P. Pakhlov, C. Kiesling, G. Varner, M. Bračko, Yoshinobu Unno, Suyong Choi, Rocky Bala Garg, S. Al Said, A. K. Giri, M. Masuda, Gagan Bihari Mohanty, L. Li Gioi, A. M. Bakich, Yongsun Kim, K. Lalwani, C. Schwanda, D. Cinabro, N. Gabyshev, V.E. Shebalin, Vladimir Popov, K. Chilikin, K. Inami, M. C. Chang, Zhicai Zhang, N. K. Nisar, I. Pavelkin, T. Julius, T. Sumiyoshi, Martin Ritter, T. Sanuki, Jyoti Prakash Biswal, H. J. Kim, H. Aihara, T. Hara, T. Mori, D. Greenwald, Y. Usov, E. Widmann, B. Pal, Massimo Berger, Z. Doleal, and C. Z. Yuan
Subjects: Physics, Annihilation, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Hadron, Analytical chemistry, 01 natural sciences, Omega, ddc, Baryon, KEKB, 0103 physical sciences, Pi, High Energy Physics::Experiment, 010306 general physics
Abstract: Using a data sample of 980 fb−1 of e+e− annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy e+e− collider, we report the results of a study of the decays of the Ωc0 charmed baryon into hadronic final states. We report the most precise measurements to date of the relative branching fractions of the Ωc0 into Ω−π+π0, Ω−π+π−π+, Ξ−K−π+π+, and Ξ0K−π+, as well as the first measurements of the branching fractions of the Ωc0 into Ξ−K¯0π+, Ξ0K¯0, and ΛK¯0K¯0, all with respect to the Ω−π+ decay. In addition, we investigate the resonant substructure of these modes. Finally, we present a limit on the branching fraction for the decay Ωc0→Σ+K−K−π+.
Published: 2018

33. Measurements of the absolute branching fractions of B+→Xcc¯K+ and B+→D¯(*)0π+ at Belle

Author: V. Zhukova, V. Shebalin, V. Gaur, S. Hirose, C. S. Park, G. Varner, C. P. Shen, J. G. Shiu, T. Ferber, K. Sumisawa, W. W. Jacobs, D. Liventsev, H. B. Jeon, Leo Piilonen, B. G. Cheon, Frank Simon, B. Pal, A. Ishikawa, Pavel Krokovny, A. Zupanc, P. Goldenzweig, H. Park, V. Savinov, Meng Wang, K. H. Kang, A. J. Schwartz, J. B. Kim, S. Al Said, T. Kuhr, A. M. Bakich, K. K. Joo, Y. Seino, M. Nakao, S. Okuno, A. B. Kaliyar, A. Chen, Jyoti Prakash Biswal, V. Chekelian, Y. Unno, A. Kuzmin, P. Kodyš, Hitoshi Miyata, R. Mussa, T. A. Shibata, E. Won, H. Ono, H. Hayashii, Y. J. Kim, D. Kotchetkov, K. Trabelsi, V. Babu, M. Takizawa, S. Di Carlo, C. Schwanda, R. Kroeger, D. Cinabro, G. Karyan, A. Sokolov, V. Zhulanov, R. Pestotnik, M. Ritter, V. Bansal, H. Ye, Z. Drásal, V. Vorobyev, M. Nayak, S. H. Kim, J. F. Strube, A. Rostomyan, K. Chilikin, Y. Iwasaki, C. H. Wang, T. Luo, M. Merola, V. Zhilich, K. Kinoshita, Zhengkang Zhang, G. Inguglia, P. Wang, T. Nanut, C. H. Li, R. Itoh, Takao Mori, M. Watanabe, Wei-Shu Hou, M. Iwasaki, R. Ayad, Semen Eidelman, D. Greenwald, M. Masuda, T. Sumiyoshi, B. Bhuyan, O. Schneider, Y. Kato, Tagir Aushev, T. E. Browder, G. Pakhlova, E. Barberio, D. Y. Kim, S. Watanuki, D. Dutta, E. Guido, Samo Korpar, P. Urquijo, M. Bračko, M. Gelb, J. S. Lange, T. Julius, C. Z. Yuan, K. Inami, J. Libby, K. E. Varvell, Y. Yamashita, L. Li Gioi, Y. Sakai, F. Tenchini, H. Kichimi, Prafulla Kumar Behera, Y. Choi, T. Uglov, R. Mizuk, H. K. Moon, Li-Xin Li, S. Uehara, Toru Iijima, Y. Jin, E. Nakano, R. Cheaib, Iki Adachi, H. Aihara, M. Salehi, G. Schnell, T. Czank, K. Senyo, U. Tamponi, Y. Usov, S. Ogawa, K. Cho, Kiyoshi Tanida, Z. Doležal, E. Widmann, S. K. Choi, C. W. Park, A. Garmash, P. Pakhlov, M. Niiyama, D. Epifanov, C. Van Hulse, M. T. Hedges, J. Haba, S. Nishida, I. Badhrees, V. Bhardwaj, N. Gabyshev, Z. Natkaniec, B. G. Fulsom, I. S. Lee, Y. Yusa, S. Sandilya, T. K. Pedlar, D. M. Asner, M. Lubej, K. Hayasaka, P. Chang, S. Uno, A. Bozek, V. Aulchenko, N. Dash, E. Solovieva, R. Kulasiri, K. Miyabayashi, T. Matsuda, J. Yelton, S. Paul, I. Jaegle, N. K. Nisar, M. Sumihama, Y-J Kwon, M. Starič, M. E. Sevior, T. Kawasaki, Y. Sato, M. Uchida, J. E. Fast, K. J. Nath, G. B. Mohanty, C. Kiesling, D. Červenkov, and P. Križan
Subjects: Physics, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, Analytical chemistry, Resonance, Branching (polymer chemistry), 01 natural sciences, KEKB, Nuclear magnetic resonance, 0103 physical sciences, 010306 general physics, X(3872), Bar (unit)
Abstract: We present the measurement of the absolute branching fractions of B+ -> Xc (c) over barK+ and B+ -> (D) over bar ((*)0)pi(+) decays, using a data sample of 772 x 10(6) B (B) over bar pairs collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Here, X-c (c) over bar denotes eta(c), J/psi, chi(c0), chi(c1), eta(c) (2S), psi(2S), psi(3770), X(3872), and X(3915). We do not observe significant signals for X(3872) or X(3915) and set the 90% confidence level upper limits at B(B+ -> X(3872)K+) X(3915)K+) X(3872)K+) to date and the first limit for B(B+ -> X(3915)K+). The measured branching fractions for eta(c) and eta(c)(2S) are the most precise to date, B(B+ -> eta K-c(+)) = (12.0 +/- 0.8 +/- 0.7) x 10(-4) and B(B+ -> eta(c)(2S)K+) = (4.8 +/- 1.1 +/- 0.3) x 10(-4), where the first and second uncertainties are statistical and systematic, respectively.
Published: 2018

34. Search for CP violation in the D+→π+π0 decay at Belle

Author: H. J. Kim, M. Nayak, C. H. Wang, C. Van Hulse, K. T. Kim, A. Rostomyan, D. Joffe, B. K. Pal, Kiyoshi Tanida, Jyoti Prakash Biswal, K. Prasanth, Z. Doležal, T. Uglov, P. K. Resmi, A. Zupanc, M. Gelb, J. S. Lange, D. Dutta, E. Guido, H. B. Jeon, Pavel Krokovny, V. Zhukova, P. Goldenzweig, A. Ishikawa, V. Savinov, J. H. Kang, S. Sandilya, Y. Yamashita, M. Iwasaki, Prafulla Kumar Behera, Y. Choi, M. Nakao, V. Shebalin, A. B. Kaliyar, R. Pestotnik, Junho Kim, T. Julius, K. Cho, M. Masuda, A. Kuzmin, T. Kawasaki, D. Greenwald, H. Ye, V. Bansal, E. Won, Wei-Shu Hou, L. K. Li, R. Kroeger, T. Ferber, D. Liventsev, S. Jia, H. Park, Zhengkang Zhang, D. Matvienko, V. Popov, G. Pakhlova, D. Y. Kim, B. Shwartz, T. Nanut, M. Berger, O. Schneider, W. Ostrowicz, C. Z. Yuan, E. Nakano, M. Niiyama, G. Russo, Iki Adachi, S. E. Vahsen, L. Santelj, P. Pakhlov, Samo Korpar, D. Epifanov, J. Libby, S. Pardi, T. Horiguchi, I. Badhrees, N. K. Nisar, A. Sokolov, A. Garmash, Y. Guan, K. Trabelsi, Eberhard Widmann, J. F. Strube, N. Gabyshev, Phillip Urquijo, M. Ritter, V. Zhilich, Y. Jin, M. Sumihama, S. Nishida, S. Ogawa, M. Salehi, G. Schnell, T. E. Browder, B. G. Fulsom, Y. Sakai, V. Bhardwaj, L. Li Gioi, F. Tenchini, M. T. Hedges, J. Haba, Chawon Park, Sayantan Choudhury, P. Križan, E. Waheed, V. Babu, S. Di Carlo, Z. Natkaniec, A. Chen, V. V. Zhulanov, K. Senyo, Y. Ono, D. M. Asner, M. Lubej, K. Hayasaka, K. Kinoshita, G. Karyan, K. Inami, J. Rauch, P. Wang, D. Kotchetkov, R. Itoh, Takao Mori, W. W. Jacobs, B. G. Cheon, Y. Yusa, H. Ono, O. Seon, R. Mizuk, Y. Seino, S. Uno, R. Ayad, M. Mrvar, Semen Eidelman, M. Takizawa, T. Sumiyoshi, C. Pulvermacher, S. Okuno, D. Červenkov, H. Hayashii, P. Kodyš, Hitoshi Miyata, S. Zakharov, A. Bobrov, H. Aihara, M. Merola, S. H. Kim, C. Kiesling, P. Katrenko, T. Sanuki, Y. Unno, B. Golob, K. Chilikin, Kevin Varvell, T. Luo, V. Gaur, U. Tamponi, M. Bračko, G. B. Mohanty, Y-J Kwon, S. Bahinipati, C. P. Shen, J. G. Shiu, M. Starič, Y. Usov, M. E. Sevior, G. Varner, Y. Watanabe, S. Al Said, T. Kuhr, R. Kumar, R. Kulasiri, K. H. Kang, A. M. Bakich, K. K. Joo, T. A. Shibata, Y. J. Kim, C. Schwanda, D. Cinabro, S. Stanič, Z. Drásal, T. Aziz, K. J. Nath, Ihn Sik Seong, M. Uchida, H. Atmacan, J. E. Fast, Meng Wang, Bingran Wang, A. J. Schwartz, A. Bozek, N. Dash, E. Solovieva, K. Miyabayashi, T. Matsuda, S. Paul, Leo Piilonen, Frank Simon, and H. Yamamoto
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 01 natural sciences, Belle experiment, law.invention, KEKB, law, 0103 physical sciences, CP violation, High Energy Physics::Experiment, Charm (quantum number), 010306 general physics, Collider
Abstract: We search for CP violation in the charged charm meson decay D+ -> pi(+)pi(0), based on a data sample corresponding to an integrated luminosity of 921 fb(-1) collected by the Belle experiment at the KEKB e(+)e(-) asymmetric-energy collider. The measured CP-violating asymmetry is [+2.31 +/- 1.24(stat) +/- 0.23(syst)] %, which is consistent with the standard model prediction and has a significantly improved precision compared to previous results.
Published: 2018

35. Measurement of the τ lepton polarization and R(D) in the decay B¯→Dτ−ν¯τ with one-prong hadronic τ decays at Belle

Author: H. Aihara, A. Rostomyan, K. Chilikin, R. Garg, T. Aziz, Takuya Higuchi, U. Tamponi, M. Sumihama, I. Badhrees, N. Gabyshev, B. G. Fulsom, S. Ogawa, I. S. Lee, C. Z. Yuan, Iki Adachi, T. Kawasaki, M. T. Hedges, J. Haba, Doo Young Kim, V. Zhulanov, E. Widmann, D. M. Asner, M. Lubej, K. Hayasaka, M. Uchida, T. E. Browder, P. Chang, A. Bozek, S. Uno, V. Babu, S. Di Carlo, J. Libby, K. E. Varvell, Kiyoshi Tanida, S. H. Kim, S. Hirose, J. F. Strube, A. Zupanc, G. Karyan, Tagir Aushev, Y. Guan, Meng Wang, M. Iwasaki, Y. Yusa, M. Salehi, G. Schnell, T. Czank, V. Gaur, S. Sandilya, Pavel Krokovny, P. Kodyš, R. Mussa, A. J. Schwartz, C. Van Hulse, S. K. Choi, P. Goldenzweig, Z. Doležal, J. G. Shiu, N. Dash, E. Solovieva, H. Yamamoto, Y. Jin, E. Won, H. Ono, S. Nishida, Y. Choi, G. Varner, Anjan K. Giri, H. Ye, K. Hara, V. Popov, K. Adamczyk, C. H. Wang, V. Bhardwaj, H. Atmacan, J. E. Fast, Leo Piilonen, Kouji Nakamura, N. K. Nisar, B. Golob, G. B. Mohanty, Y-J Kwon, M. Starič, M. E. Sevior, M. Berger, Z. Natkaniec, V. Zhukova, Y. Sato, K. H. Kang, A. Vossen, N. Shimizu, X. L. Wang, V. Shebalin, T. Uglov, M. Rozanska, A. Bondar, A. Sokolov, R. Kroeger, Jyoti Prakash Biswal, S. Wehle, F. Tenchini, Soumya D. Mohanty, Frank Simon, V. Zhilich, P. Križan, T. Ferber, K. Senyo, P. Wang, K. Kinoshita, S. Al Said, T. Kuhr, R. Pestotnik, R. Kulasiri, K. Miyabayashi, R. Kumar, A. M. Bakich, T. Matsuda, T. A. Shibata, Takao Mori, Samo Korpar, J. Stypula, D. Dutta, R. Ayad, Y. J. Kim, E. Guido, K. Cho, S. Paul, C. W. Park, T. Sumiyoshi, B. Bhuyan, K. J. Nath, I. Jaegle, Wei-Shu Hou, C. Schwanda, Junho Kim, T. Julius, D. Cinabro, D. Červenkov, A. Garmash, A. Kuzmin, M. Niiyama, M. Gelb, J. S. Lange, K. Trabelsi, V. Bansal, V. Vorobyev, L. Li Gioi, H. K. Moon, Zhengkang Zhang, A. Chen, T. Nanut, D. Kotchetkov, Toru Iijima, R. Itoh, D. Liventsev, Semen Eidelman, P. Urquijo, K. Sumisawa, H. B. Jeon, B. Pal, A. Ishikawa, H. Park, Y. Seino, M. Nakao, M. C. Chang, C. L. Hsu, O. Schneider, H. Miyata, K. Inami, Y. Yamashita, B. G. Cheon, V. Chekelian, S. Okuno, H. Hayashii, S. Zakharov, L. K. Li, Yang Li, Y. Sakai, Sayantan Choudhury, M. Takizawa, G. Inguglia, M. Bračko, M. Ritter, and S. Pardi
Subjects: Physics, Particle physics, Muon, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, Polarization (waves), 01 natural sciences, KEKB, Full data, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: With the full data sample of $772\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\text{ }B\overline{B}$ pairs recorded by the Belle detector at the KEKB electron-positron collider, the decay $\overline{B}\ensuremath{\rightarrow}{D}^{*}{\ensuremath{\tau}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\tau}}$ is studied with the hadronic $\ensuremath{\tau}$ decays ${\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\nu}}_{\ensuremath{\tau}}$ and ${\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\rho}}^{\ensuremath{-}}{\ensuremath{\nu}}_{\ensuremath{\tau}}$. The $\ensuremath{\tau}$ polarization ${P}_{\ensuremath{\tau}}({D}^{*})$ in two-body hadronic $\ensuremath{\tau}$ decays is measured, as well as the ratio of the branching fractions $R({D}^{*})=\mathcal{B}(\overline{B}\ensuremath{\rightarrow}{D}^{*}{\ensuremath{\tau}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\tau}})/\mathcal{B}(\overline{B}\ensuremath{\rightarrow}{D}^{*}{\ensuremath{\ell}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\ell}})$, where ${\ensuremath{\ell}}^{\ensuremath{-}}$ denotes an electron or a muon. Our results, ${P}_{\ensuremath{\tau}}({D}^{*})=\ensuremath{-}0.38\ifmmode\pm\else\textpm\fi{}0.51{(\text{stat})}_{\ensuremath{-}0.16}^{+0.21}(\text{syst})$ and $R({D}^{*})=0.270\ifmmode\pm\else\textpm\fi{}0.035{(\text{stat})}_{\ensuremath{-}0.025}^{+0.028}(\text{syst})$, are consistent with the theoretical predictions of the standard model. The polarization values of ${P}_{\ensuremath{\tau}}({D}^{*})g+0.5$ are excluded at the 90% confidence level.
Published: 2018

36. Angular analysis of the e+e−→D()±D∓ process near the open charm threshold using initial-state radiation

Author: S. Al Said, S. Nishida, T. A. Shibata, Y. Watanabe, Meng Wang, Samo Korpar, C. Schwanda, D. Cinabro, Hitoshi Miyata, I. Badhrees, R. Gillard, G. Inguglia, A. Sokolov, A. Bobrov, K. Trabelsi, C. Pulvermacher, M. Nayak, V. Zhilich, P. Wang, B. G. Fulsom, K. Senyo, S. L. Olsen, V. Gaur, M. Merola, C. H. Wang, R. Kulasiri, M. Uchida, K. Cho, Tagir Aushev, V. Vorobyev, T. Sanuki, N. K. Nisar, K. Miyabayashi, V. Zhulanov, S. H. Kim, M. Bračko, K. T. Kim, G. B. Mohanty, C. S. Park, A. Rostomyan, K. Chilikin, C. Kiesling, S. K. Choi, S. Watanuki, G. Varner, Y-J Kwon, P. Pakhlov, E. Guido, B. Shwartz, Wei-Shu Hou, T. Matsuda, T. Luo, Zhengkang Zhang, M. Starič, T. E. Browder, I. Pavelkin, E. Waheed, S. Jia, M. E. Sevior, D. M. Asner, M. Iwasaki, O. Schneider, G. Pakhlova, C. W. Park, T. Nanut, K. Hayasaka, S. Paul, Y. Sakai, V. Shebalin, Prafulla Kumar Behera, Y. Choi, M. T. Hedges, J. Haba, R. Mizuk, H. Farhat, A. Garmash, J. E. Fast, I. Jaegle, H. K. Moon, G. Bonvicini, M. Takizawa, Y. Iwasaki, M. Niiyama, T. Uglov, R. Itoh, T. Ferber, L. Li Gioi, P. Goldenzweig, S. Uno, K. Inami, Y. Yamashita, V. Zhukova, C. Van Hulse, Li-Xin Li, W. W. Jacobs, B. G. Cheon, Semen Eidelman, O. Grzymkowska, Takao Mori, D. Červenkov, S. Uehara, E. Won, H. Ono, A. Zupanc, J. S. Lange, R. Ayad, T. Sumiyoshi, X. L. Wang, H. Hayashii, S. Zakharov, Iki Adachi, Doo Young Kim, V. Chekelian, Pavel Krokovny, Y. Unno, M. Salehi, G. Schnell, P. Križan, T. Czank, K. J. Nath, F. Tenchini, V. Babu, S. Di Carlo, G. Karyan, H. B. Jeon, B. Pal, A. Ishikawa, Y. Seino, A. Bozek, M. Nakao, D. Liventsev, V. Aulchenko, Y. Yusa, A. Vinokurova, S. Sandilya, M. Masuda, T. K. Pedlar, A. Chen, V. Popov, N. Dash, E. Solovieva, D. Kotchetkov, Jyoti Prakash Biswal, Leo Piilonen, R. Pestotnik, Frank Simon, B. Bhuyan, T. Julius, H. Aihara, Y. Usov, S. Ogawa, Z. Drásal, J. G. Shiu, Kiyoshi Tanida, Y. Jin, K. H. Kang, and Z. Doležal
Subjects: Physics, Particle physics, Angular distribution, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Open charm, Radiation, 010306 general physics, 01 natural sciences
Abstract: We report a new measurement of the exclusive ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{(*)\ifmmode\pm\else\textpm\fi{}}{D}^{*\ensuremath{\mp}}$ cross sections as a function of the center-of-mass energy from the ${D}^{(*)\ifmmode\pm\else\textpm\fi{}}{D}^{*\ensuremath{\mp}}$ threshold through $\sqrt{s}=6.0\text{ }\text{ }\mathrm{GeV}$, using the initial-state radiation technique. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of $951\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$. The accuracy of the cross section measurement is increased by a factor of 2 over the first Belle study. We perform the first angular analysis of the ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{*\ifmmode\pm\else\textpm\fi{}}{D}^{*\ensuremath{\mp}}$ process and decompose this exclusive cross section into three components corresponding to the ${D}^{*}$ helicities.
Published: 2018

37. First measurement of T -odd moments in D0→KS0π+π−π0 decays

Author: G. Schnell, S. Ogawa, M. Starič, I. Jaegle, K. Miyabayashi, I. Badhrees, M. Z. Wang, K. Kinoshita, B. Shwartz, T. Kuhr, R. Mizuk, H. Ono, Y. Yusa, A. Garmash, H. Yamamoto, K. Senyo, D. Liventsev, Y. Unno, V. Babu, T. Kawasaki, T.-A. Shibata, A. Rostomyan, V. Chekelian, V. M. Aulchenko, Victoria Zhukova, I. Adachi, T. Aushev, Hua Ye, K. Sumisawa, D. M. Asner, A. Chen, M. Niiyama, L. Pesántez, B. K. Pal, P. Goldenzweig, T. Ferber, M. Salehi, T. Nanut, K. Inami, S. Sandilya, A. Zupanc, M. J. Kim, T. Matsuda, B. Bhuyan, A. M. Bakich, Seema Bahinipati, K. J. Nath, M. Uchida, Z. Drásal, T. Hara, L. Santelj, M. Masuda, B. G. Fulsom, L. K. Li, G. B. Mohanty, T. Kumita, G. Bonvicini, T. E. Browder, Z. P. Zhang, S. Nishida, H. Miyata, R. Ayad, R. Mussa, P. Wang, Massimo Berger, Hiroaki Aihara, A. J. Schwartz, A. Bozek, H. B. Jeon, A. Vinokurova, S. Uehara, D. Kotchetkov, Y. Iwasaki, Y. J. Kwon, P. Krokovny, Z. Natkaniec, A. Bobrov, P. Pakhlov, S. H. Kim, B. G. Cheon, D. Matvienko, C. Z. Yuan, E. Waheed, O. Schneider, K. Chilikin, Y. J. Kim, A. Ishikawa, Peter Kodys, K. H. Kang, K. Cho, W. W. Jacobs, Y. Sakai, E. Barberio, N. K. Nisar, H. K. Moon, K. Trabelsi, K. K. Joo, H. Park, C. P. Shen, A. Kuzmin, J. S. Lange, S. Di Carlo, M. Nayak, G. Karyan, Yukinori Sato, G. Varner, T. Uglov, A. B. Kaliyar, K. Hayasaka, S. Uno, J. G. Shiu, D. Epifanov, Samo Korpar, R. Pestotnik, M. T. Hedges, Ya-Qiu Jin, E. Won, H. Farhat, J. B. Kim, Phillip Urquijo, V. Bhardwaj, P. Križan, W. S. Hou, N. Dash, E. Solovieva, Rahul Kumar, V. Vorobyev, V.E. Shebalin, S. Al Said, Leo Piilonen, D. Joffe, A. Vossen, Frank Simon, C. Schwanda, Jyoti Prakash Biswal, T. Sumiyoshi, V. Gaur, Andrey Sokolov, M. Nakao, Chawon Park, V. V. Zhulanov, Y. Yook, Semen Eidelman, Y. Watanabe, T. Mori, D. Y. Kim, G. Pakhlova, R. Kulasiri, T. Julius, R. Chistov, R. Itoh, R. Sinha, F. Tenchini, C. Pulvermacher, Martin Ritter, T. Sanuki, L. Li Gioi, Y. Yamashita, K. T. Kim, Tao Luo, K. Tanida, D. Cinabro, Dipanwita Dutta, R. Gillard, C. Kiesling, C. H. Li, C. B. Van Hulse, M. Bračko, S. K. Choi, Eberhard Widmann, J. F. Strube, J. Libby, M. Lubej, K. Prasanth, Y. Seino, S. Okuno, N. Gabyshev, M. E. Sevior, I. S. Lee, J. E. Fast, A.E. Bondar, J. Haba, M. Takizawa, D. Červenkov, K. M. Williams, John Yelton, Y. Choi, Z. Doležal, Daniel Greenwald, V. Bansal, M. Watanabe, U. Tamponi, C. H. Wang, S. Paul, and V.N. Zhilich
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, media_common.quotation_subject, 01 natural sciences, Asymmetry, Belle experiment, Charm quark, Luminosity, Nuclear physics, KEKB, 0103 physical sciences, Pi, CP violation, 010306 general physics, media_common
Abstract: We report the first measurement of the T-odd moments in the decay D-0 -> K-S(0) pi + pi(-)pi(0) from a data sample corresponding to an integrated luminosity of 966 fb(-1) collected by the Belle experiment at the KEKB asymmetric-energy e(+)e(-) collider. From these moments we determine the CP-violation-sensitive asymmetry a(CP)(T-odd) = [-0.28 +/- 1.38 (stat.)(-0.76)(+0.23) (syst.)] x 10(-3) , which is consistent with no CP violation. In addition, we perform a(CP)(T-odd) measurements in different regions of the D-0 -> K-S(0) pi + pi(-)pi(0) phase space;these are also consistent with no CP violation.
Published: 2017

38. Lepton-Flavor-Dependent Angular Analysis of B→K*ℓ+ℓ−

Author: G. B. Mohanty, Vikas Bansal, E. Nakano, Y. Yusa, C. Van Hulse, T. Sumiyoshi, D. Joffe, M. Uchida, T. Schlüter, Tariq Aziz, Dipanwita Dutta, Yang Li, K. J. Nath, A. Zupanc, A. Bozek, Soumen Paul, S. E. Vahsen, J. Libby, M. Lubej, C. H. Li, James E. Fast, Luka Santelj, Eberhard Widmann, T. Luo, Y. Yook, C. L. Hsu, Semen Eidelman, B. Pal, R. Mussa, W. Bartel, H. B. Jeon, R. Kulasiri, B. G. Fulsom, A. Ishikawa, L. Pesántez, S. Wehle, B. Bhuyan, Yuki Sato, M. Nakao, L. Koch, Y. Seino, C. W. Park, Hiroaki Aihara, N. Gabyshev, P. Križan, Elisa Guido, Y. Ushiroda, C. Niebuhr, M. T. Hedges, Y. Yamashita, A. Bobrov, R. Chistov, J. Rauch, G. Schnell, C. Z. Yuan, V. Savinov, H. Ye, G. Varner, J. G. Shiu, S. Sandilya, K. Senyo, I. Jaegle, K. Inami, T. A. Shibata, K. Trabelsi, M. J. Kim, D. Liventsev, Prafulla Kumar Behera, C. P. Shen, H. Miyake, T. Kuhr, V. Babu, M. Starič, Z. Drásal, T. Aushev, Ihn Sik Seong, Phillip Urquijo, Peter Kodys, W. W. Jacobs, Liangbin Li, A. Rostomyan, T. Kumita, K. Sumisawa, T. Kawasaki, V. Chekelian, H. Ono, D. Červenkov, T. Ferber, T. Matsuda, J. F. Strube, T. E. Browder, P. Wang, G. Bonvicini, H. Hayashii, G. Karyan, Y. Onuki, D. Cinabro, E. Solovieva, H. Kichimi, S. Al Said, K. T. Kim, G. Inguglia, Meng Wang, Y. Iwasaki, R. Gillard, S. H. Kim, P. Chang, Y. J. Kwon, N. Dash, K. Hayasaka, P. Krokovny, V.M. Aulchenko, C. Pulvermacher, M. Watanabe, K. Kinoshita, U. Tamponi, H. Park, A. Kuzmin, F. Tenchini, T. Tsuboyama, O. Schneider, C. Kiesling, K. H. Kang, K. Cho, M. Masuda, C. H. Wang, R. Sinha, D. Epifanov, Toru Iijima, L. Li Gioi, A.E. Bondar, S. Yashchenko, M. Bračko, C. S. Park, O. Grzymkowska, M. Takizawa, Y. Sakai, T. Julius, Y. Choi, Z. Doležal, D. Kotchetkov, T. Hara, S. Ogawa, R. Mizuk, K. Chilikin, M. Nayak, R. Ayad, R. Itoh, Victoria Zhukova, C. Schwanda, K. M. Williams, A. Chen, Leo Piilonen, J. Haba, A. Vossen, O. Seon, Frank Simon, B.A. Shwartz, D. Y. Kim, Z. P. Zhang, S. Nishida, Vladimir Zhulanov, Y. Jin, M. E. Sevior, Jochen Dingfelder, P. Goldenzweig, Iki Adachi, Martin Ritter, Z. Natkaniec, J. B. Kim, A. M. Bakich, B. G. Cheon, T. Sanuki, D. M. Asner, Samo Korpar, B. Golob, E. Barberio, A. B. Kaliyar, J. S. Lange, M. Ziegler, W. S. Hou, V. Vorobyev, S. Uno, A. Garmash, K. K. Joo, E. Won, Kevin Varvell, T. Nanut, Hitoshi Yamamoto, Y. Watanabe, T. Mori, Y. Usov, N. K. Nisar, G. Pakhlova, V.N. Zhilich, Jyoti Prakash Biswal, K. Miyabayashi, V. Gaur, E. Waheed, H. Farhat, T. Uglov, P. Katrenko, A. J. Schwartz, H. J. Kim, and Yoshinobu Unno
Subjects: Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, Sigma, Observable, Elementary particle, 01 natural sciences, Nuclear physics, KEKB, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Flavor, Lepton
Abstract: We present a measurement of angular observables and a test of lepton flavor universality in the B -> K(+)l(+)l(-) decay, where l is either e or mu. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb(-1) containing 772 x 10(6) B (B) over bar pairs, collected at the Upsilon(4S) resonance with the Belle detector at the asymmetric-energy e(+)e(-) collider KEKB. The result is consistent with standard model (SM) expectations, where the largest discrepancy from a SM prediction is observed in the muon modes with a local significance of 2.6 sigma.
Published: 2017

39. Search for the 0−− glueball in ϒ(1S) and ϒ(2S) decays

Author: M. Niiyama, H. Miyata, S. Ogawa, Tao Luo, A. Zupanc, K. Tanida, R. Mizuk, M. Uchida, L. K. Li, S. Okuno, G. Pakhlova, R. Kulasiri, J. G. Shiu, K. Suzuki, T. Matsuda, H. Farhat, J. B. Kim, H. Kichimi, L. Li Gioi, Y. Yamashita, G. Schnell, Phillip Urquijo, M. Nayak, T. Julius, D. Y. Kim, R. Ayad, B. Golob, E. Barberio, G. Varner, Hiroaki Aihara, P. Goldenzweig, K. Chilikin, Y. J. Kim, G. Bonvicini, N. K. Nisar, C. Z. Yuan, Eberhard Widmann, B. G. Cheon, T. Kuhr, H. K. Moon, J. F. Strube, S. Sandilya, J. Libby, M. Lubej, D. Matvienko, Leo Piilonen, Y. B. Li, M. Takizawa, J. S. Lange, M. Masuda, D. Joffe, A. Bozek, M. J. Kim, A. Garmash, Dipanwita Dutta, C. H. Li, M. Sumihama, R. Itoh, C. P. Shen, Y. Seino, John Yelton, Y. Choi, Z. Doležal, K. Hayasaka, H. Ye, S. H. Kim, M. T. Hedges, M. E. Sevior, V. Babu, K. T. Kim, D. Cinabro, Samo Korpar, T. Aushev, Jyoti Prakash Biswal, R. Gillard, K. H. Kang, K. Cho, G. Inguglia, S. Uno, Frank Simon, N. Gabyshev, T. Ferber, K. Senyo, V.N. Zhilich, S. K. Choi, D. Liventsev, P. Chang, D. M. Asner, T. Sumiyoshi, C. Pulvermacher, Martin Ritter, F. Tenchini, Andrey Sokolov, Peter Kodys, E. Won, M. Starič, I. Jaegle, K. Miyabayashi, T. Kawasaki, T. Nanut, P. Katrenko, I. Badhrees, R. Pestotnik, I. Adachi, T. E. Browder, P. Wang, T. Sanuki, Meng Wang, V.E. Shebalin, V. Gaur, Chawon Park, K. K. Joo, S. Di Carlo, M. Nakao, V. V. Zhulanov, S. Al Said, Z. Drásal, Y. J. Kwon, J. Haba, B. Shwartz, J. E. Fast, K. J. Nath, O. Schneider, T. Uglov, A. M. Bakich, T. Hara, L. Santelj, Semen Eidelman, Y. Onuki, N. Dash, A. Ishikawa, W. S. Hou, E. Solovieva, P. Križan, H. Ono, V. Vorobyev, Y. Watanabe, T. Mori, Y. Usov, D. Kotchetkov, Y. Sakai, H. Hayashii, Toru Iijima, W. Ostrowicz, U. Tamponi, P. Krokovny, Hyunyong Kim, Z. P. Zhang, S. Nishida, C. H. Wang, S. Jia, C. Schwanda, T.-A. Shibata, Victoria Zhukova, A. Chen, D. Červenkov, K. Inami, Z. Natkaniec, C. Kiesling, M. Bračko, V. Bansal, P. K. Behera, C. B. Van Hulse, H. Park, A. Kuzmin, B. Bhuyan, B. G. Fulsom, V. Savinov, A. Rostomyan, V. Chekelian, B. K. Pal, and Y. Unno
Subjects: Nuclear physics, Physics, Particle physics, 010308 nuclear & particles physics, Glueball, Branching fraction, Electron–positron annihilation, 0103 physical sciences, 010306 general physics, 01 natural sciences
Abstract: We report the first search for the J(PC) = 0(--) glueball in Upsilon(1S) and Upsilon(2S) decays with data samples of (102 +/- 2) x 10(6) and (158 +/- 4) x 10(6) events, respectively, collected with the Belle detector. No significant signals are observed in any of the proposed production modes, and the 90% credibility level upper limits on their branching fractions in Upsilon(1S) and Upsilon(2S) decays are obtained. The inclusive branching fractions of the Upsilon(1S) and Upsilon(2S) decays into final states with chi(c1) are measured to be B(Upsilon(1S) -> chi(c1) + anything) = (1.90 +/- 0.43(stat) +/- 0.14(syst) x 10(-4) with an improved precision over prior measurements and B Upsilon(2S) -> chi(c1) + anything) = (2.24 +/- 0.44(stat) +/- 0.20(syst) x 10(-4) for the first time.
Published: 2017

40. Study of excitedΞcstates decaying intoΞc0andΞc+baryons

Author: M. Starič, J. E. Fast, T. Matsuda, B. Bhuyan, K. Miyabayashi, I. Badhrees, B. G. Fulsom, M. Takizawa, G. Bonvicini, P. Goldenzweig, S. Sandilya, K. M. Williams, V.E. Shebalin, John Yelton, Y. Choi, A. Vinokurova, K. T. Kim, R. Gillard, F. Tenchini, E. Barberio, G. Pakhlova, M. E. Sevior, S. H. Kim, U. Tamponi, D. Cinabro, H. B. Jeon, G. Inguglia, V. Savinov, H. K. Moon, J. S. Lange, T. Kumita, M. Danilov, M. Niiyama, G. Schnell, A. Ishikawa, C. H. Wang, T. Aushev, K. H. Kang, K. Cho, T. E. Browder, Jyoti Prakash Biswal, T. Julius, K. Hayasaka, M. Sumihama, M. Uchida, M. Nayak, H. Farhat, Z. P. Zhang, P. Wang, J. B. Kim, S. Nishida, T. Ferber, G. Varner, V. Gaur, S. Uno, L. K. Li, Eberhard Widmann, J. F. Strube, E. Won, T. Sumiyoshi, Andrey Sokolov, Y. Iwasaki, B. Pal, S. Paul, B. G. Cheon, Y. J. Kwon, D. Matvienko, A. Zupanc, T. K. Pedlar, O. Schneider, Samo Korpar, N. Dash, Chawon Park, S. Okuno, C. Schwanda, A. Moll, E. Solovieva, R. Itoh, V. V. Zhulanov, A. Rostomyan, J. G. Shiu, Phillip Urquijo, Y. B. Li, Hiroaki Aihara, Peter Kodys, N. Gabyshev, Y. Watanabe, V. M. Aulchenko, Y. Usov, C. Z. Yuan, A. Garmash, W. W. Jacobs, T. Schlueter, Tao Luo, C. Pulvermacher, Samo Stanič, K. Tanida, Zdenek Dolezal, Martin Ritter, D. Kotchetkov, T. Sanuki, D. M. Asner, S. Di Carlo, Semen Eidelman, T. Nanut, W. S. Hou, C. P. Shen, Y. Sakai, Hui Li, K. Negishi, I. Adachi, D. Y. Kim, J. Libby, M. Lubej, S. Ogawa, P. Pakhlov, P. Krizan, R. Mizuk, H. Miyata, T. Uglov, K. Senyo, Leo Piilonen, D. Joffe, D. Liventsev, H. Park, A. Kuzmin, Y. Seino, A. M. Bakich, O. Seon, Dipanwita Dutta, C. H. Li, R. Ayad, M. Bračko, M. Masuda, G. B. Mohanty, D. Červenkov, Victoria Zhukova, T.-A. Shibata, A. Chen, Seema Bahinipati, K. J. Nath, T. Hara, L. Santelj, Z. Drásal, P. Krokovny, A. Bozek, K. Chilikin, P. K. Behera, E. Kato, H. Hayashii, R. Pestotnik, K. K. Joo, C. B. Van Hulse, M. Z. Wang, K. Kinoshita, V.N. Zhilich, and Y. Kato
Subjects: Physics, Annihilation, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, 7. Clean energy, Nuclear physics, Baryon, KEKB, Pion, Photon emission, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Atomic physics, 010306 general physics, Ground state
Abstract: Using a data sample of 980 fb(-1) of e(+)e(-) annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy e(+)e(-) collider, we report the results of a study of excited Xi(c) states that decay, via the emission of photons and/or charged pions, into Xi(0)(c) or Xi(+)(c) ground state charmed-strange baryons. We present new measurements of the masses of all members of the Xi(0)(c), Xi(c)(2645), Xi(c)(2790), Xi(c)(2815), and Xi(c)(2980) isodoublets, measurements of the intrinsic widths of those that decay strongly, and evidence of previously unknown transitions.
Published: 2016

41. Search forXYZstates inϒ(1S)inclusive decays

Author: J. B. Kim, A. M. Bakich, R. Mussa, A. Moll, H. B. Jeon, S. Okuno, P. Wang, T. Matsuda, A. Ishikawa, T. Uglov, J. Haba, P. Križan, J. Libby, C. H. Li, Y. Seino, D. Cinabro, Marko Petrič, G. Inguglia, V. Zhukova, A. Garmash, Peter Kodys, W. W. Jacobs, K. Kinoshita, G. Varner, G. Bonvicini, B. G. Cheon, D. Matvienko, W. S. Hou, T. Nanut, S. Di Carlo, T. Iijima, K. Hayasaka, V. Vorobyev, Y. J. Kwon, D. M. Asner, D. Y. Kim, H. Farhat, A. Vinokurova, Samo Korpar, Leo Piilonen, K. Negishi, S. L. Olsen, Dipanwita Dutta, S. Uno, T. Kuhr, J. G. Shiu, Meng Wang, K. Senyo, K. K. Joo, E. Won, J. Yamaoka, A. Zupanc, Z. P. Zhang, S. Nishida, O. Seon, M. Masuda, Frank Simon, O. Schneider, D. Liventsev, K. T. Kim, R. Itoh, S. H. Kim, N. Dash, T. Ferber, Ruslan Chistov, Ihn Sik Seong, B. Pal, S. D. Yang, G. Pakhlova, Y. Watanabe, M. Uchida, K. H. Kang, K. Cho, Hiroaki Aihara, T. Sumiyoshi, V. Chobanova, Andrey Sokolov, T. A. Shibata, V. Bhardwaj, S. Ogawa, D. Kotchetkov, C. Z. Yuan, S. K. Choi, Prafulla Kumar Behera, F. Tenchini, Jyoti Prakash Biswal, Y. Sakai, E. Barberio, Vladimir Zhulanov, H. K. Moon, M. Starič, Martin Ritter, M. E. Sevior, P. Goldenzweig, T. Sanuki, Yongsun Kim, C. Schwanda, T. Luo, J. S. Lange, James E. Fast, C. Pulvermacher, S. Sandilya, V. Gaur, Yoshinobu Unno, Y. Yook, T. Schlüter, K. Trabelsi, Semen Eidelman, M. Watanabe, B. G. Fulsom, M. Nakao, C. P. Shen, V.N. Zhilich, S. Yashchenko, H. Hayashii, E. Solovieva, C. H. Wang, T. E. Browder, T. Julius, K. Chilikin, M. Nayak, H. Li, A.E. Bondar, L. Li Gioi, K. M. Williams, A. Chen, M. Takizawa, Kiyoshi Tanida, Mikhail Danilov, Y. Choi, Z. Doležal, X. L. Wang, R. Pestotnik, Z. Drásal, P. Krokovny, J. Dalseno, A. Bozek, Y. Ban, Y. Yusa, I. Badhrees, Yang Li, K. J. Nath, L. Santelj, M. Bračko, G. Schnell, N. Gabyshev, Z. Natkaniec, Liangbin Li, A. Rostomyan, V. Chekelian, D. Červenkov, B. Bhuyan, V. Savinov, P. Pakhlov, and A. Kuzmin
Subjects: Nuclear physics, Physics, Particle physics, KEKB, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, High Energy Physics::Experiment, Tetraquark, 010306 general physics, 01 natural sciences
Abstract: The branching fractions of the Upsilon(1S) inclusive decays into final states with a J/psi or psi(2S) are measured with improved precision to be B Upsilon(1S) -> J/psi + anything = (5.25 +/- 0.13(stat) +/- 0.25(syst) x 10(-4) and B Upsilon(1S) -> psi(2S) + anything = (1.23 +/- 0.17(stat) +/- 0.11(syst)) x 10(-4). The first search for Upsilon(1S) decays into XYZ states that decay into a J/psi or a psi(2S) plus one or two charged tracks yields no significant signals for XYZ states in any of the examined decay modes, and upper limits on their production rates in Upsilon(1S) inclusive decays are determined.
Published: 2016

42. A Targeted Search for Point Sources of EeV Neutrons

Author: J. F. Valdés Galicia, K. H. Becker, I. De Mitri, A. Gascon Bravo, A. Saftoiu, Mariangela Settimo, D. Garcia-Gamez, S. T. Garcia Roca, H. J. Mathes, Alexey Yushkov, O. Fratu, V. Purrello, E. Petermann, D. Nitz, Q. Hasankiadeh, Miroslav Pech, M. Prouza, Luis Villaseñor, A. Śmiałkowski, J. Rodriguez Rojo, A. G. Chavez, M. Szuba, Piotr Homola, M. A. Leigui de Oliveira, F. Montanet, Christian Glaser, M. Zavrtanik, Enrique Zas, Adrian J. Matthews, P. Facal San Luis, C. Di Giulio, Fernando Contreras, P. Abreu, D. Ravignani, M. Josebachuili, J. Neuser, Pavel Horvath, R. Gaior, S. H. Cheng, M. S. Sutherland, S. Le Coz, Luis A. Anchordoqui, Markus Ahlers, Dusan Mandat, D. Garcia-Pinto, O. Krömer, H. Schoorlemmer, A. Dorofeev, D. Martraire, Guenter Sigl, Paula Gina Isar, F. Salesa Greus, Petr Schovanek, E. Varela, N. Griffith, S. J. Saffi, Raul Sarmento, P. Gouffon, M. Platino, G. Cataldi, M. Urban, A. C. Rovero, C. Bleve, L. Nellen, Sofia Andringa, K. B. Barber, M. Weber, Elton J. G. Santos, K. Link, B. Revenu, A. Nelles, F. Suarez, Sergio Dasso, M. Ludwig, John N. Matthews, R. M. Kieckhafer, J. Lozano Bahilo, C. Morello, R. Pesce, J. Rautenberg, A. C. Fauth, Jose Chinellato, N. Kunka, B. García, Tobias Winchen, M. Stephan, N. Scharf, V. Pirronello, U. Fröhlich, C. E. Santo, R. López, Karen S. Caballero-Mora, D. Melo, L. Martin, M. Oliveira, Marco Cilmo, Jaime Alvarez-Muñiz, G. P. Guedes, J. Stasielak, O. Wainberg, D. Huber, W. C. Brown, H. Blümer, P. Sanchez-Lucas, M. Tueros, P. Lautridou, Lu Lu, C. Jarne, David Walz, Corbin Covault, D. Harari, S. Coutu, Alessandro Petrolini, M. Lauscher, Vincenzo Rizi, D. Martello, T. Huege, M. Ziolkowski, A. Widom, Francisco J. Blanco, L. Perrone, H. Lyberis, D. LaHurd, Carla Bonifazi, D. Pakk Selmi-Dei, Jiri Chudoba, D. Torres Machado, F. Gomez Albarracin, A. Shadkam, C. Timmermans, R. Sato, Miroslav Hrabovský, M. Niechciol, Jose A. Bellido, O. Martínez Bravo, B. Mitrica, Markus Roth, A. Parra, Peter L. Biermann, Jeffrey Brack, Olaf Scholten, Humberto Ibarguen Salazar, A. Lopez Agüera, M. Buscemi, Bruno Daniel, Lino Miramonti, J. Allen, A. F. Grillo, Juan Carlos D'Olivo, T. Pierog, E. Mayotte, L. Ochilo, A. Letessier-Selvon, Martin Erdmann, I. Jandt, P. Brogueira, B. Sarkar, P. L. Ghia, A. Gorgi, B. Keilhauer, A. Haungs, Alina Mihaela Badescu, Paolo Privitera, I. Katkov, S. J. Sciutto, J. L. Harton, F. Guarino, Peter Buchholz, A. Tonachini, L. Nožka, C. Porowski, C. Baus, A. Aminaei, M. Blanco, Lorenzo Cazon, P. Heimann, I. A. Minaya, Xavier Bertou, Bruce R. Dawson, Y. N. Srivastava, J. R. Vázquez, A. Zepeda, T. Yapici, M. Videla, R. Cester, L. Molina-Bueno, J. J. Masías Meza, B. J. Whelan, Roger W Clay, D. Kruppke-Hansen, A. Di Matteo, Lukas Middendorf, P. Gonçalves, P.O. Mazur, J. Rosado, I.M. Brancus, Christine Peters, D. Maurizio, J. C. Moreno, C. Hojvat, Jan Ebr, Lorenzo Caccianiga, V. M. Theodoro, P. Pieroni, G. Navarra, M. Melissas, H. Glass, Marco Aglietta, I. C. Mariş, A. Porcelli, E. Kemp, L. Latronico, D. Monnier Ragaigne, M.D. Rodríguez-Frías, M. Risse, B. Wundheiler, A. van Vliet, P. Mantsch, Denise Boncioli, Gregory R Snow, Pedro Assis, O. A. Taborda, A. Etchegoyen, N. Palmieri, German Ros, A. Schmidt, H. Martinez, M. Ave, E. Trovato, P. Hansen, A. Chiavassa, C. A. Moura, C. Aramo, Pham Ngoc Diep, Brian Fick, N. Pacheco, R. Piegaia, M. Gómez Berisso, R. C. Shellard, B. D. Fox, E.M. Holt, Y. Guardincerri, A. E. Herve, A. Menshikov, B. Tome, G. Müller, L. R. Wiencke, H.O. Klages, Javier Tiffenberg, Heino Falcke, N. T. Thao, J. Vicha, T. A. Harrison, I. Al Samarai, Y. Petrov, Jörg R. Hörandel, G. Garilli, P. Allison, A. Tapia, H. Gemmeke, R. J. Lauer, P. Ristori, I. Lhenry-Yvon, M. Unger, S. van Velzen, Moritz Münchmeyer, Christopher B. Williams, G. C. Hill, F. Arqueros, P. Necesal, Octavian Sima, J. G. Gonzalez, Johannes Schulz, M. Pimenta, M. S. A. B. Leão, Peter Schiffer, G. Parente, D. Lebrun, M. Zimbres Silva, S. Jansen, R. Mussa, J. J. Beatty, V. Marin, B. Vlcek, H. Dembinski, A. Aab, L. Caramete, M. Will, V. Scherini, Balázs Kégl, G. Rodriguez Fernandez, A. D. Supanitsky, Hernán Asorey, Maria-Teresa Dova, Ralph Engel, R. Alves Batista, M. Plum, K. Weidenhaupt, Corinne Berat, Sarka Wykes, A. Criss, N. Fazzini, M. Giller, I. M. Pepe, H. Wahlberg, Z. Szadkowski, G. Varner, Jing Zhou, E. J. Ahn, O. Kambeitz, S. Messina, D. Nosek, T. Yamamoto, Kai Daumiller, P. Lebrun, J. Ridky, S. Navas, R. A. Vázquez, P. A. Kasper, C. J. Todero Peixoto, J. Stapleton, T. Hebbeker, Julien Aublin, B. Gookin, S. Quinn, A. Segreto, Edivaldo Moura Santos, A. Stutz, G. Toma, S. Mićanović, A. P. Ferguson, G. Yuan, J. Kleinfeller, F. Werner, D. Heck, M. Malacari, J. de Oliveira, A. Filipčič, R. Dallier, J. D. Swain, B. Wilczyńska, A. Curutiu, W. Docters, B. Caccianiga, Paul Sommers, L. Tomankova, R. Meyhandan, M. Ortiz, M. A. Muller, S. J. De Jong, I. Zaw, Alejandro Almela, B. Vargas Cárdenas, Maria Concetta Maccarone, M. Avenier, J. Pȩkala, Yunrong Zhu, N. Krohm, S. Riggi, K. Islo, Radomir Smida, J. Espadanal, M. Palatka, P. W. Younk, S. Mollerach, Philipp Papenbreer, J. Bäuml, J. S. Díaz, T. Suomijärvi, A. Insolia, M. Kleifges, D. Zavrtanik, J. Pallotta, Petr Travnicek, E. J. Quel, Ugo Giaccari, G. Marsella, P. N. Dong, M. J. Cooper, Miguel Mostafá, A. Weindl, E. Roulet, F. Sánchez, S. Petrera, Daniel Kuempel, A. Schulz, E. Menichetti, Florian Gaté, Carlos Escobar, H. Wilczyński, Trent D. Grubb, S. Maldera, G. Cocciolo, Béatrice Fuchs, Niraj Dhital, Peter Gorham, J. R. T. de Mello Neto, I. Valiño, P. Billoir, Ivone F. M. Albuquerque, Ke Fang, C. Rühle, Juan Manuel Figueira, Roberta Colalillo, V. de Souza, L. del Peral, F. Diogo, G. Matthiae, Antonio Bueno, Sergio Pastor, O. Ravel, A. G. Mariazzi, Alex Kääpä, Carlos Medina, M. Ambrosio, M. De Domenico, David Wittkowski, G. Salina, Olivier Deligny, Iván Sidelnik, A. Filevich, F. Salamida, N. Hollon, V. Verzi, B. Zamorano, Gualberto Avila, Ingomar Allekotte, L. Collica, R. Pelayo, T. Rossler, Martina Bohacova, S. Querchfeld, Azadeh Keivani, M. L. Díaz Castro, G. Farrar, T. Niggemann, R. M. de Almeida, Angela V. Olinto, M. Monasor, G. Torralba Elipe, R. Krause, L. Valore, L. Niemietz, W. Rodrigues de Carvalho, H. Schieler, R. Ulrich, M. Fernandes, M. Tartare, J. Sorokin, Karl-Heinz Kampert, Antonella Castellina, T. Fuji, J. W. Cronin, S. Grebe, Maria Rita Coluccia, J. Roberts, R. Squartini, T. Paul, Nataliia Borodai, G. Medina-Tanco, M. Candusso, G. van Aar, M. I. Micheletti, D. Maurel, J. Maller, Marco Giammarchi, Carola Dobrigkeit, V. Novotny, Rossella Caruso, A. Lucero, S. Stanič, Alan Watson, J. Alvarez Castillo, F. Sarazin, G. La Rosa, S. Mathys, M. Erfani, P.F. Gómez Vitale, Rúben Conceição, A.M. van den Berg, Darko Veberič, I. Rodriguez Cabo, R. Bonino, K. Louedec, Laboratoire SUBATECH Nantes (SUBATECH), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), 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 l'Accélérateur Linéaire (LAL), PIERRE AUGER, Research unit Astroparticle Physics, A., Aab, P., Abreu, M., Aglietta, M., Ahler, E. J., Ahn, I., Al Samarai, I. F. M., Albuquerque, I., Allekotte, J., Allen, P., Allison, A., Almela, J., Alvarez Castillo, J., Alvarez Mu?iz, R., Alves Batista, M., Ambrosio, A., Aminaei, L., Anchordoqui, S., Andringa, Aramo, Carla, F., Arquero, H., Asorey, P., Assi, J., Aublin, M., Ave, M., Avenier, G., Avila, A. M., Badescu, K. B., Barber, J., B?uml, C., Bau, J. J., Beatty, K. H., Becker, J. A., Bellido, C., Berat, X., Bertou, P. L., Biermann, P., Billoir, F., Blanco, M., Blanco, C., Bleve, H., Bl?mer, M., Boh??ov?, D., Boncioli, C., Bonifazi, R., Bonino, N., Borodai, J., Brack, I., Brancu, P., Brogueira, W. C., Brown, P., Buchholz, A., Bueno, Buscemi, Mario, K. S., Caballero Mora, B., Caccianiga, L., Caccianiga, M., Candusso, L., Caramete, R., Caruso, A., Castellina, G., Cataldi, L., Cazon, R., Cester, A. G., Chavez, S. H., Cheng, A., Chiavassa, J. A., Chinellato, J., Chudoba, Cilmo, Marco, R. W., Clay, G., Cocciolo, Colalillo, Roberta, L., Collica, M. R., Coluccia, R., Concei??o, F., Contrera, M. J., Cooper, S., Coutu, C. E., Covault, A., Cri, J., Cronin, A., Curutiu, R., Dallier, B., Daniel, S., Dasso, K., Daumiller, B. R., Dawson, R. M., de Almeida, M., De Domenico, S. J., de Jong, J. R. T., de Mello Neto, I., De Mitri, J., de Oliveira, V., de Souza, L., del Peral, O., Deligny, H., Dembinski, N., Dhital, C., Di Giulio, A., Di Matteo, J. C., Diaz, M. L., D?az Castro, P. N., Diep, F., Diogo, C., Dobrigkeit, W., Docter, J. C., D'Olivo, P. N., Dong, A., Dorofeev, M. T., Dova, J., Ebr, R., Engel, M., Erdmann, M., Erfani, C. O., Escobar, J., Espadanal, A., Etchegoyen, P., Facal San Lui, H., Falcke, K., Fang, G., Farrar, A. C., Fauth, N., Fazzini, A. P., Ferguson, M., Fernande, B., Fick, J. M., Figueira, A., Filevich, A., Filip?i?, B. D., Fox, O., Fratu, U., Fr?hlich, B., Fuch, T., Fuji, R., Gaior, B., Garc?a, S. T., Garcia Roca, D., Garcia Gamez, D., Garcia Pinto, G., Garilli, A., Gascon Bravo, F., Gate, H., Gemmeke, P. L., Ghia, U., Giaccari, M., Giammarchi, M., Giller, C., Glaser, H., Gla, F., Gomez Albarracin, M., G?mez Berisso, P. F., G?mez Vitale, P., Gon?alve, J. G., Gonzalez, B., Gookin, A., Gorgi, P., Gorham, P., Gouffon, S., Grebe, N., Griffith, A. F., Grillo, T. D., Grubb, Y., Guardincerri, Guarino, Fausto, G. P., Guede, P., Hansen, D., Harari, T. A., Harrison, J. L., Harton, Q. D., Hasankiadeh, A., Haung, T., Hebbeker, D., Heck, P., Heimann, A. E., Herve, G. C., Hill, C., Hojvat, N., Hollon, E., Holt, P., Homola, J. R., H?randel, P., Horvath, M., Hrabovsk?, D., Huber, T., Huege, A., Insolia, P. G., Isar, K., Islo, I., Jandt, S., Jansen, C., Jarne, M., Josebachuili, A., K??p?, O., Kambeitz, K. H., Kampert, P., Kasper, I., Katkov, B., K?gl, B., Keilhauer, A., Keivani, E., Kemp, R. M., Kieckhafer, H. O., Klage, M., Kleifge, J., Kleinfeller, R., Krause, N., Krohm, O., Kr?mer, D., Kruppke Hansen, D., Kuempel, N., Kunka, G., La Rosa, D., Lahurd, L., Latronico, R., Lauer, M., Lauscher, P., Lautridou, S., Le Coz, M. S. A. B., Le?o, D., Lebrun, P., Lebrun, M. A., Leigui de Oliveira, A., Letessier Selvon, I., Lhenry Yvon, K., Link, R., L?pez, A., Lopez Ag?era, K., Louedec, J., Lozano Bahilo, L., Lu, A., Lucero, M., Ludwig, H., Lyberi, M. C., Maccarone, M., Malacari, S., Maldera, J., Maller, D., Mandat, P., Mantsch, A. G., Mariazzi, V., Marin, I. C., Mari?, G., Marsella, D., Martello, L., Martin, H., Martinez, O., Mart?nez Bravo, D., Martraire, J. J., Mas?as Meza, H. J., Mathe, S., Mathy, A. J., Matthew, J., Matthew, G., Matthiae, D., Maurel, D., Maurizio, E., Mayotte, P. O., Mazur, C., Medina, G., Medina Tanco, M., Melissa, D., Melo, E., Menichetti, A., Menshikov, S., Messina, R., Meyhandan, S., Mi?anovi?, M. I., Micheletti, L., Middendorf, I. A., Minaya, L., Miramonti, B., Mitrica, L., Molina Bueno, S., Mollerach, M., Monasor, D., Monnier Ragaigne, F., Montanet, C., Morello, J. C., Moreno, M., Mostaf?, C. A., Moura, M. A., Muller, G., M?ller, M., M?nchmeyer, R., Mussa, G., Navarra, S., Nava, P., Necesal, L., Nellen, A., Nelle, J., Neuser, M., Niechciol, L., Niemietz, T., Niggemann, D., Nitz, D., Nosek, V., Novotny, L., No?ka, L., Ochilo, A., Olinto, M., Oliveira, M., Ortiz, N., Pacheco, D., Pakk Selmi Dei, M., Palatka, J., Pallotta, N., Palmieri, P., Papenbreer, G., Parente, A., Parra, S., Pastor, T., Paul, M., Pech, J., Pe?kala, R., Pelayo, I. M., Pepe, L., Perrone, R., Pesce, E., Petermann, C., Peter, S., Petrera, A., Petrolini, Y., Petrov, R., Piegaia, T., Pierog, P., Pieroni, M., Pimenta, V., Pirronello, M., Platino, M., Plum, A., Porcelli, C., Porowski, P., Privitera, M., Prouza, V., Purrello, E. J., Quel, S., Querchfeld, S., Quinn, J., Rautenberg, O., Ravel, D., Ravignani, B., Revenu, J., Ridky, S., Riggi, M., Risse, P., Ristori, V., Rizi, J., Robert, W., Rodrigues de Carvalho, I., Rodriguez Cabo, G., Rodriguez Fernandez, J., Rodriguez Rojo, M. D., Rodr?guez Fr?a, G., Ro, J., Rosado, T., Rossler, M., Roth, E., Roulet, A. C., Rovero, C., R?hle, S. J., Saffi, A., Saftoiu, F., Salamida, H., Salazar, F., Salesa Greu, G., Salina, F., S?nchez, P., Sanchez Luca, C. E., Santo, E., Santo, E. M., Santo, F., Sarazin, B., Sarkar, R., Sarmento, R., Sato, N., Scharf, V., Scherini, H., Schieler, P., Schiffer, A., Schmidt, O., Scholten, H., Schoorlemmer, P., Schov?nek, A., Schulz, J., Schulz, S. J., Sciutto, A., Segreto, M., Settimo, A., Shadkam, R. C., Shellard, I., Sidelnik, G., Sigl, O., Sima, A., ?mia?kowski, R., ?m?da, G. R., Snow, P., Sommer, J., Sorokin, R., Squartini, Y. N., Srivastava, S., Stani?, J., Stapleton, J., Stasielak, M., Stephan, A., Stutz, F., Suarez, T., Suomij?rvi, A. D., Supanitsky, M. S., Sutherland, J., Swain, Z., Szadkowski, M., Szuba, O. A., Taborda, A., Tapia, M., Tartare, N. T., Thao, V. M., Theodoro, J., Tiffenberg, C., Timmerman, C. J., Todero Peixoto, G., Toma, L., Tomankova, B., Tom?, A., Tonachini, G., Torralba Elipe, D., Torres Machado, P., Travnicek, E., Trovato, M., Tuero, R., Ulrich, M., Unger, M., Urban, Galicia, J. F. Vald?s., I., Vali?o, Valore, Laura, G., van Aar, A. M., van den Berg, S., van Velzen, A., van Vliet, E., Varela, B., Vargas C?rdena, G., Varner, J. R., V?zquez, R. A., V?zquez, D., Veberi?, V., Verzi, J., Vicha, M., Videla, L., Villase?or, B., Vlcek, H., Wahlberg, O., Wainberg, D., Walz, A. A., Watson, M., Weber, K., Weidenhaupt, A., Weindl, F., Werner, B. J., Whelan, A., Widom, L., Wiencke, B., Wilczy?ska, H., Wilczy?ski, M., Will, C., William, T., Winchen, D., Wittkowski, B., Wundheiler, S., Wyke, T., Yamamoto, T., Yapici, P., Younk, G., Yuan, A., Yushkov, B., Zamorano, E., Za, D., Zavrtanik, M., Zavrtanik, I., Zaw, A., Zepeda, J., Zhou, Y., Zhu, M., Zimbres Silva, M., Ziolkowski, J., Alvarez Muñiz, C., Aramo, J., Bäuml, Bleve, Carla, H., Blümer, M., Boháčová, M., Buscemi, M., Cilmo, Cocciolo, Giuseppe, R., Colalillo, Coluccia, MARIA RITA, R., Conceição, DE MITRI, Ivan, M. L., Díaz Castro, A., Filipčič, U., Fröhlich, B., García, M., Gómez Berisso, P. F., Gómez Vitale, P., Gonçalve, F., Guarino, J. R., Hörandel, M., Hrabovský, A., Kääpä, B., Kégl, O., Krömer, M. S. A. B., Leão, R., López, A., Lopez Agüera, I. C., Mariş, Marsella, Giovanni, Martello, Daniele, O., Martínez Bravo, J. J., Masías Meza, S., Mićanović, M., Mostafá, G., Müller, M., Münchmeyer, L., Nožka, J., Pe¸kala, Perrone, Lorenzo, M. D., Rodríguez Fría, C., Rühle, F., Sánchez, Scherini, Viviana, P., Schovánek, A., Śmiałkowski, R., Šmída, S., Stanič, T., Suomijärvi, B., Tomé, J. F., Valdés Galicia, I., Valiño, L., Valore, B., Vargas Cárdena, J. R., Vázquez, R. A., Vázquez, D., Veberič, L., Villaseñor, B., Wilczyńska, and H., Wilczyński
Subjects: Astrofísica, [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Astronomy, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astrophysics, 01 natural sciences, Galaxy: disk, cosmic rays, Neutron flux, Observatory, 0103 physical sciences, data analysis [methods], Neutron, 010306 general physics, 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Pierre Auger Observatory, Physics, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Galactic Center, cosmic ray, neutrons, Astrophysics::Instrumentation and Methods for Astrophysics, Física, Astronomy and Astrophysics, Galactic plane, methods: data analysis, Magnetic flux, Galaxy, Astronomía, Space and Planetary Science, Experimental High Energy Physics, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, ddc:520, Física nuclear, Astrophysics - High Energy Astrophysical Phenomena, disk [Galaxy]
Abstract: A flux of neutrons from an astrophysical source in the Galaxy can be detected in the Pierre Auger Observatory as an excess of cosmic-ray air showers arriving from the direction of the source. To avoid the statistical penalty for making many trials, classes of objects are tested in combinations as nine “target sets”, in addition to the search for a neutron flux from the Galactic Center or from the Galactic Plane. Within a target set, each candidate source is weighted in proportion to its electromagnetic flux, its exposure to the Auger Observatory, and its flux attenuation factor due to neutron decay. These searches do not find evidence for a neutron flux from any class of candidate sources. Tabulated results give the combined p-value for each class, with and without the weights, and also the flux upper limit for the most significant candidate source within each class. These limits on fluxes of neutrons significantly constrain models of EeV proton emission from non-transient discrete sources in the Galaxy., La lista completa de autores puede verse en el archivo asociado., Facultad de Ciencias Exactas
Published: 2014

43. Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE): Conceptual Design Report. Volume 4: The DUNE Detectors at LBNF

Author: M. Headley, V. Singh, L. L. Kormos, E. Hazen, A. Kumar, R. K. Plunkett, Christopher L. Marshall, R. Schmitt, E. Blaufuss, Amanpreet Kaur, C. Vignoli, David Malon, P vanGemmeren, A. Heavey, S. L. Mufson, J. Cushing, S. R. Elliott, A. deGouvea, F. Pietropaolo, T. Hasegawa, V. Papadimitriou, Roberto L. N. Oliveira, D. Waters, D. Ruterbories, A. Topkar, W. Honey, T. Yang, Marvin Johnson, Mingshui Chen, Carl H. Albright, M. Muether, S. Rescia, John F. Beacom, J. Johnstone, M.D.L. Lopes, A. Verdugo, L.S. Rochester, Y. Ng, Xiaohui Qian, B. Page, B. Rebel, Steven Gardiner, P. DeLurgio, Ernesto Kemp, D. Wells, C. Grant, D. Warner, D. Aristizabal, S. Bansal, T. L. Usher, Germano Guedes, D. Duchesneau, M. C. Sanchez, L. Camilleri, Joshua R. Klein, D.W. Schmitz, R. VanBerg, H. L. H. Wong, B. Viren, Mario Campanelli, J. L. Stone, B. Lundberg, O. Palamara, A. Laminack, D. Lissauer, Francesco Tortorici, M. A. Acero, T. Tope, D. Cianci, David H. Adams, C. Yanagisawa, J. Lowery, Ranjan Dharmapalan, J. Mousseau, W. R. Kropp, A. Perch, J. Moon, C. Palomares, R. Andrews, J. Hartnell, N. Kazaryan, Kendall Mahn, V. Bellini, Pomita Ghoshal, M. Adamowski, D. Girardelli, Bindu A. Bambah, Y. Nakajima, A. N. Khotjantsev, D. Reitzner, D. Smargianaki, B. Eberly, T. Liu, S. Glavin, J. Asaadi, G. d. Geronimo, M. B. Smy, M. Baird, Z. Moss, Gustaaf Brooijmans, Alessandro Menegolli, R. B. Patterson, J. A. J. Matthews, M. Weber, Dmitry Gorbunov, M. Tzanov, R. L. Talaga, S.K. Mandal, C. Greenley, G. W. Sullivan, Dimitar Mladenov, Anjan K. Giri, T. Boone, E. James, L. Fields, T. A. Bolton, S. A. Dytman, R. Rucinski, Alexander Mann, Gabriel Perdue, S. Bolognesi, B. Szczerbinska, F. Bay, R. D. McKeown, C. Lane, S. Chembra, Shu Li, Sangeeta Malhotra, D. Garcia-Gamez, R. L. Gill, B. Wang, J. Spitz, B. T. Fleming, E. McCluskey, Timothy M. Shaw, T. Patzak, S. Horikawa, Z. Pavlovic, E. Pantic, H. M. O'Keeffe, J. Anderson, A. Friedland, J. P. Lopez, R. Raboanary, P. Schlabach, J. Strait, T. A. Forest, M. D. Messier, R. Potenza, Narendra Sahu, A. M. McGowan, R. Santorelli, B. V. K. S. Potukuchi, C. Montanari, W.M. Lee, M. Toups, M. Kordosky, D. Mertins, Matthew Wetstein, Wenzhao Wei, S. Kohn, T. J. Haines, Jasvinder A. Singh, G. Introzzi, D. Naples, Kazuhiro Terao, Q. Liu, M. Potekhin, Stanley G. Wojcicki, E. Arrieta-Diaz, J. Davies, P. Novella, Andrew Blake, A. L. Renshaw, M. O. Wascko, J. Insler, Jason Kumar, C. Jen, L. Wang, G. Koizumi, M. M. Khabibullin, E. Amador, T. Grundy, Yu. Onishchuk, B. Mitrica, T. Hamernik, D. Wenman, Gianluca Petrillo, V. J. Guarino, N. McCauley, A. Tonazzo, D. J. Taylor, A. B. Balantekin, T. Nicholls, S. Jiménez, William A. Barletta, B. Zamorano, R. Saakyan, J. R. Macier, S. B. Boyd, T. Xin, J. Bremer, M. J. Wilking, M. E. Convery, R. Gran, N. Pruthi, K. J. Anderson, Enrique Calvo, Peter Wittich, Artur F. Izmaylov, J. Hylen, C. Touramanis, G. A. Valdiviesso, Irina Mocioiu, Katsuya Yonehara, C. M. Sutera, Kenneth Long, T. E. Coan, D. Autiero, H. K. Hadavand, S. Menary, J. M. Paley, Antonio Ereditato, C. Rubbia, T. Olson, O. G. Miranda, A. G. Cocco, Gary Drake, J.A. Sepulveda-Quiroz, A. Guglielmi, T. Lundin, S. Fuess, Mary S. Richardson, S. Emery, J. M. Link, Jingbo Ye, N. Yershov, H. S. Chen, Davit Mayilyan, Christian Farnese, T. Loew, M. Bansal, T. R. Junk, Y. A. Ramachers, Akitaka Ariga, Marvin L Marshak, G. Karagiorgi, Sarah Catherine Eno, William J. Marciano, Philip D Adamson, R. Vandewater, Kevin Scott McFarland, M. Torti, M. Tortola, M. Antonello, Leonidas Kalousis, S. Shahsavarani, N. Simos, S. Mandodi, B. J. P. Jones, Rob Edgecock, R. Haenni, G. Meng, H. Pessard, O. Mena, J. Dolph, L. Suter, N. Graf, Abraham D. Falcone, T. Gamble, B. Bourguille, L. Greenler, Francesco Lanni, Zulkifli Ahmad, L. A. Corwin, D. Stefan, M. V. Diwan, Joseph Lykken, E. Niner, J. K. Nelson, P. Novakova, Paulo Rodrigues, E. Blucher, L. Whitehead, S. Ventura, C. Y. Chi, I. Gil-Botella, B. Carls, Valentina Greco, N. P. Samios, M. Elnimr, B. Sands, R. Milincic, C. A. Moura, M. Newcomer, Kirk T. McDonald, J. Reichenbacher, K. Mavrokoridis, F. d. M. Blaszczyk, J. L. Raaf, Paolo Crivelli, A. Sousa, M. Mehrian, Olga Beltramello, H. Wang, K. Riesselmann, M. Nunes, M. Bergevin, M. Bass, Yu. G. Kudenko, J. H. Jo, Robert McTaggart, Georg G. Raffelt, E. Tziaferi, A. Holin, L. Valerio, A. Scaramelli, A. D. Marino, C. Rudolphvonrohr, V.M. Gehman, S. Santana, C. Mariani, K. Lande, S. Tariq, S. M. Fernandes, S. J. Brice, Gregory J Pawloski, Carlos Escobar, J. D. Perkin, S. R. Das, B. K. Fujikawa, G. T. Garvey, Sukalyan Chattopadhyay, H. Jostlein, V.B. Chandratre, M. Bonesini, J. d. Anjos, Matthew L Strait, M. C. Tamsett, J.V. Dawson, Giovanni Bellettini, G.D. Barr, Kam Biu Luk, S. Manly, M. Wallbank, Jack Fried, S. Childress, T. Miao, E. Berman, R. W. Hackenburg, H. Duyang, Cerian F Jackson, B. Baibussinov, T. K. Warburton, R. Petti, Jan T. Sobczyk, Vipin Bhatnagar, A. Aurisano, Marzio Nessi, H. Greenlee, I. Singh, H. Meyer, Michael Benjamin Andrews, A. Schukraft, A. A. Machado, Q. Z. Li, B. Norris, R. Guenette, K. Biery, Z. Li, Magdalena Malek, A. Cervera-Villanueva, M. S. Athar, P. N. Ratoff, Dongming Mei, Subrata Pal, A. Bashyal, Andrew Brandt, T. Kutter, A. Hackenburg, V. Aushev, Jorge G. Morfin, R. Tsenov, R. Kriske, Sergey A. Kulagin, Rudolf Oldeman, B. Kirby, André Rubbia, B. Paulos, D. Goeldi, C. E. Thorn, G. Varner, C. Ghag, J. Shahi, B. Kayser, C. Adams, S. H. Kettell, G. Brunetti, C. Densham, F. Noto, G. Mahler, M. Avila, J. Felde, P. Przewlocki, Matthew Mewes, D. Mcnulty, S. Adhikari, J. Osta, J. A. Nowak, R. M. Brown, Davide Sgalaberna, D. M. Asner, William Morse, Jan Conrad, G. P. Zeller, W. Sippach, C. D. Moore, D. Wahl, Nitish Dhingra, J. Willhite, T.V. Vieira, C. Taylor, W. E. Sondheim, Andrea Zani, J. Maricic, Anatoly Kopylov, Alec Habig, G. H. Collin, D. A. Dwyer, F. Mammoliti, J. K. Dejong, D. M. Lee, J. Park, L. Zang, L. Falk, N.V. Mokhov, C. E. Tull, K. Soustruznik, J. Howell, Xinhua Bai, X. Luo, Y. Karyotakis, K. Vaziri, D. Whittington, J. J. Back, C. Regenfus, Chao Zhang, H. Schellman, M. Fitton, A. Hahn, H. M. Steiner, N. S. Lockyer, H. R. Gallagher, M. Ross-Lonergan, B. P. Roe, L. S. Littenberg, Robert Wilson, C. S. Mishra, M. Rossella, M. Tripathi, S. Matsuno, A. Delbart, Xingguo Li, X. Bu, P. Vahle, G. A. Horton-Smith, A. Kostelecky, M. Hogan, S. Stoica, D. A. Harris, S. Murphy, Michael Thorpe, S. DiLuise, A. J. Finch, R. A. Johnson, G.L. Raselli, J. Huston, Stephen J. Parke, M. P. Decowski, D. Ioanisyan, S. Galymov, C. Mauger, L. Chaussard, P. Benetti, R. Sulej, S. Bertolucci, H. S. Budd, Rex Tayloe, F. Cavanna, N. J. Buchanan, X. Tian, Paolo Calafiura, A. Zalewska, G. B. Mills, Z. Parsa, B. Bleakley, Federico Sanchez, T. Vrba, H. Mendez, H. G. Berns, Lokesh Kumar, P. Mehta, M. Graham, Antonio Palazzo, F. Boffelli, S. Grullon, B. R. Littlejohn, I. Tropin, Michele Cascella, T. Viant, P. Ballett, N. Walsh, N. McConkey, S. J. Patton, E. Church, Michael Mooney, F.R. Torres, D. Cline, R. Imlay, I. Rakhno, T. Kobilarcik, Rukmani Mohanta, E.D. Zimmerman, E. Guardincerri, C. Vilela, M. Vagins, T. Wang, J. M. Yu, Animesh Chatterjee, G. Brown, E. Gramelini, Andre Petukhov, S. Magill, M. Groh, Martin Auger, L. Mualem, Artur M. Ankowski, J. Zalesak, J. G. Learned, E. Segreto, F. Jediny, Sarah Mancina, Niki Saoulidou, D. E. Jaffe, D. Edmunds, John Evans, E. Tatar, Utku Kose, Daniel A. Dale, David Martinez, John Ramsey, J. Urheim, Akhil Jhingan, W. Metcalf, Z. Djurcic, E. Mazzucato, K. Aryal, Maury Goodman, N. J. C. Spooner, O. V. Mineev, M. Bishai, R. Gandhi, James Stewart, S. R. Seibert, Joshua J. Turner, Parminder Kaur, J. Schwehr, D. Montanari, A. Rappoldi, T. Wachala, J. S. Díaz, Keith Rielage, J. Martín-Albo, J.J. Gómez-Cadenas, E.L. Snider, B. Russell, K. Grzelak, M. A. Leiguideoliveira, Amir Farbin, V. Paolone, J. Schneps, C. K. Jung, K. Yarritu, A. Higuera, Y. T. Tsai, Yang Li, R. Zwaska, Z. Vallari, Simon Lin, Pedro Cunha de Holanda, D. Karasavvas, Eric Endress, S. Hays, Paul Wilson, M. Luethi, E. Calligarich, Kuan Ken Lee, K. Chen, Sandip Pakvasa, K. Wood, N. Poudyal, L. F. Thompson, Asher Kaboth, L. Sexton-Kennedy, S. Lockwitz, G. Sinev, S. Hans, R. Musser, B. Bugg, Paola Sala, L. Bartoszek, S. Golapinni, B. Bhuyan, P. Hurh, W. H. Miller, O.B. Rodrigues, C. Bromberg, Brajesh C Choudhary, M. A. Thomson, R. Carr, J. Libo, M. Diamantopoulou, J. Bian, Yasaman Farzan, R. Roser, J. G. Boissevain, Caroline Morris, A. Gendotti, A. Himmel, J. Cranshaw, M. Zito, Bo Yu, S. Pordes, Thorsten Lux, I. M. Anghel, C. M. Castromonte, P. deJong, N. Solomey, R. Shrock, S. Bordoni, W. Fox, J. M. LoSecco, M. Khandaker, T. Kafka, M. H. Shaevitz, N. Barros, C. Booth, M. Rosen, Silvia Pascoli, M. Soderberg, Subhasmita Mishra, R. A. Gomes, Serhan Tufanli, B. Bhandari, D. Gibin, M. Stancari, F. Sergiampietri, Hye Young Lee, Gavin Davies, Michael DuVernois, V. Bocean, J. A. Musser, E. Pennacchio, Z. J. Liptak, K. Nikolics, R. J. Nichol, E. Kearns, P. Snopok, M. Sorel, Rohit Sharma, Sau Lan Wu, K. V. Tsang, Kaushik De, Timothyblake Watson, Y. Uchida, C. Mossey, R.A. Rameika, R. Svoboda, Gus Sinnis, Veljko Radeka, Y. Meng, E. Guarnaccia, Rebecca Bernstein, W. C. Louis, D. Navas, T. Blackburn, M. D. Haigh, Sandhya Choubey, A. Mefodiev, K. M. Heeger, R. Acciarri, Siqi Yang, Tomoko Ariga, Karol Lang, D. Cherdack, S.C. Timm, Milos Lokajicek, Minfang Yeh, Stephen T. Dye, G. Zavala, J. C. Thomas, M. Gold, C. McGrew, G. Vasseur, M. Thiesse, G. Diazbautista, K. Iwamoto, A. M. Szelc, Gareth J. Barker, I. Stancu, I. Shyrma, C. Andreopoulos, P. Shanahan, A. Bercellie, R. Corey, G.V. Velev, E. Catano-Mur, J. Fowler, S. J. M. Peeters, José W. F. Valle, B. Howard, Thomas Strauss, P. Lebrun, A. Radovic, A. Weinstein, Ara Ioannisian, H. T. Rakotondramanana, A. Curioni, R. W. Kadel, M. Borysova, Kate Scholberg, T. Ovsjannikova, S. Kemboi, J. Navarro, L. Periale, I. Kreslo, V. A. Kudryavtsev, D. R. Tiedt, G. Kumar, A. White, T. Handler, M. Worcester, A. Aranda-Fernandez, L. Rakotondravohitra, A. C. Weber, O. Prokofiev, J. Marteau, Max Robinson, C. Cantini, D. Pushka, N. Grant, H. Sobel, L. Favilli, J. Hewes, Srubabati Goswami, S.U. Shankar, D. Cronin-Hennessy, B. Baller, B. R. Behera, M. H. Kirby, T. Alion, D. Brailsford, S. Striganov, Laura Paulucci, C. D. Christofferson, B. Morgan, Y. Sun, A. Remoto, A. Hatzikoutelis, J. A. B. Coelho, A. Marchionni, P. Cole, Yuri Kamyshkov, Julián Félix, F. Varanini, John Marshall, R. Sharma, T. Hill, A. M. Gago, J. Heise, Lindley Winslow, R. Hatcher, G. Christodoulou, T. Davenne, Angela Fava, C. W. James, J. Joshi, S. Centro, H. Merritt, Paul Keener, Karol Hennessy, S. Söldner-Rembold, G. Santucci, C. S. Lin, E. T. Worcester, Michael Kramer, and J. Stock
Subjects: Nuclear physics, Physics, Conceptual design, Neutrino detector, 010308 nuclear & particles physics, 0103 physical sciences, Deep Underground Neutrino Experiment, Neutrino, 010306 general physics, Baseline (configuration management), 01 natural sciences
Published: 2016

44. New search for τ→μγ and τ→eγ decays at Belle

Author: S. K. Kim, I. Bizjak, H. Miyake, F. Mandl, S. E. Lee, T. Gershon, S. L. Olsen, Z. P. Zhang, K. Hayasaka, O. Nitoh, K. Miyabayashi, J. Brodzicka, A. Chen, H. Hayashii, R. Chistov, T. Lesiak, R. Itoh, T. Matsumoto, C. C. Kuo, S. W. Lin, N. Gabyshev, H. Miyata, P. Krokovny, X. C. Tian, K. Abe, Y. Kozakai, A. Sokolov, Y. Yamashita, C. C. Wang, W. S. Hou, T. Sumiyoshi, A. Kuzmin, L. S. Peak, P. Pakhlov, H. Aihara, D. Liventsev, H. Stoeck, M. E. Sevior, A. Imoto, Y. Teramoto, H. Sahoo, Y. Iwasaki, S. Okuno, N. Soni, I. Tikhomirov, Y. Usov, K. Senyo, G. R. Moloney, A. Bay, T. Schietinger, A.J. Schwartz, J. Haba, J. B. Singh, B. G. Cheon, O. Schneider, Q. L. Xie, S. Hou, S. Stanič, Y. Miyazaki, H. Nakazawa, B. Golob, N. Satoyama, J. H. Kang, H. Ha, A. Ishikawa, K. Arinstein, D. Heffernan, M. Yamauchi, S. Villa, W. T. Chen, T. Hokuue, T. Mori, G. N. Taylor, Y. Chao, K. S. Park, S. Eidelman, M. Nakao, Y. Nagasaka, A. Poluektov, T. Tsukamoto, J. Dalseno, H. Ozaki, E. Barberio, T. Hara, K. Inami, Y. Watanabe, T. Kawasaki, H.K Park, A. Bozek, S. Nishida, K. Tamai, S. Fratina, N. Tamura, M. Hazumi, Z. Natkaniec, P. Križan, A. Go, V. Aulchenko, D. Anipko, K. Belous, A. Yamaguchi, Y. Onuki, S. Uno, Hiroyuki Kaji, M. Starič, T. Uglov, K. Ueno, Y. K. Choi, Y. Sakai, V. Zhulanov, M. Shapkin, R. Kulasiri, H. R. Khan, A. Zupanc, Y. J. Kim, U. Bitenc, L. E. Piilonen, P. Chang, I. Adachi, S. Ogawa, A. Bondar, Masayuki Tanaka, M. C. Chang, Y. Hoshi, A. Drutskoy, Y. J. Kwon, M. Iwasaki, B. D. Yabsley, Y. Choi, C. H. Wang, I. Bedny, S. Uehara, H. Kichimi, F. Takasaki, V. Zhilich, A. Vinokurova, M. Danilov, P. Urquijo, A. Somov, R. Seidl, T. Tsuboyama, D. Epifanov, M. Dash, R. Kumar, T. Iijima, A. M. Bakich, T. Ohshima, G. Varner, K. Ikado, H. Shibuya, B. Shwartz, Kazuhiko Hara, H. Kawai, Michael J. Lee, E. Won, R. Pestotnik, G. Pakhlova, and M. Bračko
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, KEKB, Electron–positron annihilation, Lepton number, Belle experiment, Lepton
Abstract: We report on a search for the lepton flavor violating τ−→μ−γ and τ−→e−γ decays based on 535 fb−1 of data accumulated at the Belle experiment. No signal is found and we set 90% confidence level upper limits on the branching ratios B(τ−→μ−γ)
Published: 2008

45. Measurement of masses of the Ξc(2645) and Ξc(2815) baryons and observation of Ξc(2980)→Ξc(2645)π

Author: T. Lesiak, I. Adachi, H. Aihara, K. Arinstein, A.M. Bakich, V. Balagura, E. Barberio, I. Bedny, K. Belous, V. Bhardwaj, U. Bitenc, S. Blyth, A. Bozek, M. Bračko, J. Brodzicka, T.E. Browder, Y. Chao, A. Chen, W.T. Chen, B.G. Cheon, R. Chistov, I.-S. Cho, S.-K. Choi, Y. Choi, J. Dalseno, M. Dash, S. Eidelman, N. Gabyshev, B. Golob, H. Ha, J. Haba, K. Hayasaka, M. Hazumi, D. Heffernan, Y. Hoshi, W.-S. Hou, H.J. Hyun, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, N.J. Joshi, D.H. Kah, H. Kaji, J.H. Kang, H. Kawai, T. Kawasaki, H. Kichimi, H.J. Kim, S.K. Kim, Y.J. Kim, S. Korpar, P. Križan, P. Krokovny, C.C. Kuo, Y.-J. Kwon, S. Lange, J.S. Lee, M.J. Lee, S.E. Lee, J. Li, S.-W. Lin, C. Liu, D. Liventsev, F. Mandl, S. McOnie, T. Medvedeva, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G.R. Moloney, Y. Nagasaka, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, H. Ozaki, G. Pakhlova, H. Palka, C.W. Park, H.K. Park, L.S. Peak, R. Pestotnik, L.E. Piilonen, H. Sahoo, Y. Sakai, O. Schneider, K. Senyo, M.E. Sevior, M. Shapkin, H. Shibuya, J.-G. Shiu, B. Shwartz, A. Sokolov, S. Stanič, M. Starič, T. Sumiyoshi, F. Takasaki, M. Tanaka, G.N. Taylor, Y. Teramoto, I. Tikhomirov, K. Trabelsi, T. Tsuboyama, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, G. Varner, K.E. Varvell, K. Vervink, C.C. Wang, C.H. Wang, M.-Z. Wang, P. Wang, X.L. Wang, Y. Watanabe, R. Wedd, E. Won, B.D. Yabsley, H. Yamamoto, Y. Yamashita, M. Yamauchi, Z.P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc, and O. Zyukova
Subjects: Physics, Baryon, Nuclear and High Energy Physics, Particle physics, KEKB, 010308 nuclear & particles physics, 0103 physical sciences, Pi, 010306 general physics, 01 natural sciences
Abstract: We report a precise measurement of the masses of the $\Xi_c(2645)$ and $\Xi_c(2815)$ baryons using a data sample of 414 fb$^{-1}$ collected by the Belle collaboration at the KEKB $e^+ e^-$ collider. The states $\Xi_c(2645)^{0,+}$ are observed in the $\Xi_c^{+,0}\pi^{-,+}$ decay modes, while the $\Xi_c(2815)^{0,+}$ are reconstructed in the $\Xi_c(2645)^{+,0}\pi^{-,+}$ decay modes. The following mass splittings are determined: $m_{\Xi_c(2645)^+} - m_{\Xi_c(2645)^0} = (-0.1 \pm 0.3 ({\rm stat}) \pm 0.6 {(\rm syst})) {\rm MeV}/{\rm c}^2$ and $m_{\Xi_c(2815)^+} - m_{\Xi_c(2815)^0} = (-3.4 \pm 1.9 ({\rm stat}) \pm 0.9 {(\rm syst})) {\rm MeV}/{\rm c}^2$ with a much better precision than the current world averages. We also observe a new decay mode, $\Xi_c(2980)^{0,+} \to \Xi_c(2645)^{+,0}\pi^{-,+}$.
Published: 2008

46. Search for lepton-flavor-violating τ→ℓV0 decays at Belle

Author: T. Sumiyoshi, H. Ozaki, Y. Teramoto, H. Kaji, A. Bondar, P. Pakhlov, T. Iijima, Y. J. Kwon, T. E. Browder, S. Blyth, B. Shwartz, X. L. Wang, Y. Sakai, A. M. Bakich, Byung Gu Cheon, T. Ohshima, N. J. Joshi, O. Schneider, T. Aushev, S. McOnie, L. E. Piilonen, Y. Nishio, Antonio Limosani, G. R. Moloney, G. N. Taylor, V. Shebalin, G. Pakhlova, I. Bedny, P. Wang, F. Mandl, V. Zhilich, Z. P. Zhang, I. Tikhomirov, Kazuhiko Hara, Tariq Aziz, G. Varner, H. Miyata, O. Nitoh, V. Balagura, S. Nishida, H. Shibuya, H. Miyake, K. Hayasaka, U. Bitenc, D. Epifanov, E. Won, R. Mizuk, A. Zupanc, M. Starič, Y. Miyazaki, S. Eidelman, F. Takasaki, Y. Iwasaki, Motoki Iwasaki, Y. Yamashita, H. Kichimi, J. H. Kang, S. Okuno, K. Belous, Y. Choi, T. Kawasaki, D. H. Kah, I. S. Cho, J. B. Singh, A. Drutskoy, K. Inami, Y. Hoshi, S. Korpar, Naoya Katayama, Y. B. Hsiung, T. Uglov, S. Uno, J. G. Shiu, C. H. Wang, A. Poluektov, J. Dalseno, R. Itoh, H. Park, A. Sokolov, Y. Usov, M. Dash, Yasuyuki Horii, Hideyuki Kawai, D. Liventsev, S. Ogawa, T. Lesiak, Yutaka Watanabe, T. Mori, H. Aihara, J. Haba, V. Zhulanov, N. Gabyshev, R. Pestotnik, B. Golob, A. Kuzmin, Joowon Lee, A. Ishikawa, M. E. Sevior, A. Vinokurova, M. J. Lee, M. Shapkin, M. Nakao, M. Bračko, Y. Unno, I. Adachi, S. E. Lee, H. Hayashii, W. T. Chen, C. W. Park, H. Nakazawa, A. Chen, P. Križan, Y. Kuroki, M. Danilov, Rakesh Kumar, O. Zyukova, Y. Kozakai, K. Arinstein, W. S. Hou, E. L. Barberio, P. Krokovny, S. Uehara, Yang Liu, K. Senyo, H. Ha, K. Ueno, S. Stanič, V. Aulchenko, Y. J. Kim, S. Villa, M. Hazumi, E. Nakano, C. C. Kuo, A. Somov, and Masahiro Tanaka
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, Electron, 01 natural sciences, Nuclear physics, KEKB, 0103 physical sciences, Vector meson, 010306 general physics, Flavor, Lepton
Abstract: We have searched for neutrinoless τ lepton decays into l and V0, where l stands for an electron or muon, and V0 for a vector meson (φ{symbol}, ω, K* 0, over(K, )* 0 or ρ0), using 543 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No excess of signal events over the expected background has been observed, and we set upper limits on the branching fractions in the range (5.9 - 18) × 10-8 at the 90% confidence level. These upper limits are significantly more restrictive than our previous results for the lφ{symbol}, l K* 0, l over(K, )* 0 and l ρ0 modes. © 2008 Elsevier B.V.
Published: 2008

47. Measurement of the ratio B(D0→π+π−π0)/B(D0→K−π+π0) and the time-integrated CP asymmetry in D0→π+π−π0

Author: K. Arinstein, I. Adachi, H. Aihara, V. Aulchenko, T. Aushev, T. Aziz, S. Bahinipati, A.M. Bakich, V. Balagura, E. Barberio, A. Bay, I. Bedny, K. Belous, V. Bhardwaj, U. Bitenc, S. Blyth, A. Bondar, A. Bozek, M. Bračko, T.E. Browder, Y. Chao, A. Chen, W.T. Chen, B.G. Cheon, R. Chistov, I.-S. Cho, Y. Choi, S. Cole, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, N. Gabyshev, P. Goldenzweig, B. Golob, H. Ha, J. Haba, K. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, Y. Hoshi, W.-S. Hou, T. Iijima, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, N.J. Joshi, D.H. Kah, H. Kaji, J.H. Kang, N. Katayama, H. Kawai, T. Kawasaki, H. Kichimi, S.K. Kim, Y.J. Kim, K. Kinoshita, S. Korpar, Y. Kozakai, P. Križan, P. Krokovny, R. Kumar, C.C. Kuo, Y. Kuroki, A. Kuzmin, Y.-J. Kwon, J.S. Lange, J.S. Lee, M.J. Lee, S.E. Lee, T. Lesiak, A. Limosani, S.-W. Lin, C. Liu, Y. Liu, D. Liventsev, F. Mandl, S. McOnie, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G.R. Moloney, T. Mori, E. Nakano, M. Nakao, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, H. Ozaki, P. Pakhlov, G. Pakhlova, C.W. Park, H. Park, K.S. Park, R. Pestotnik, L.E. Piilonen, A. Poluektov, H. Sahoo, Y. Sakai, O. Schneider, J. Schümann, C. Schwanda, A.J. Schwartz, K. Senyo, M.E. Sevior, M. Shapkin, V. Shebalin, H. Shibuya, J.-G. Shiu, B. Shwartz, J.B. Singh, A. Sokolov, A. Somov, S. Stanič, M. Starič, T. Sumiyoshi, S.Y. Suzuki, F. Takasaki, M. Tanaka, G.N. Taylor, Y. Teramoto, I. Tikhomirov, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, K. Vervink, S. Villa, A. Vinokurova, C.H. Wang, M.-Z. Wang, P. Wang, X.L. Wang, Y. Watanabe, E. Won, B.D. Yabsley, H. Yamamoto, Y. Yamashita, C.C. Zhang, Z.P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc, and O. Zyukova
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Branching fraction, Analytical chemistry, Value (computer science), Inverse, 01 natural sciences, law.invention, KEKB, law, 0103 physical sciences, Pi, 010306 general physics, Collider
Abstract: We report a high-statistics measurement of the relative branching fraction Br(D0 --> pi+pi-pi0)/Br(D0 --> K-pi+pi0). A 357 inverse fb data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider was used for the analysis. The relative branching fraction Br(D0 --> pi+pi-pi0)/Br(D0 --> K-pi+pi0) is determined with an accuracy comparable to the latest world average value.
Published: 2008

48. A study of γγ→KS0KS0 production at energies from 2.4 to 4.0 GeV at Belle

Author: W.T. Chen, K. Abe, I. Adachi, H. Aihara, D. Anipko, V. Aulchenko, A.M. Bakich, E. Barberio, A. Bay, I. Bedny, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko, T.E. Browder, M.-C. Chang, P. Chang, Y. Chao, A. Chen, B.G. Cheon, R. Chistov, Y. Choi, Y.K. Choi, J. Dalseno, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, A. Go, H. Ha, M. Hazumi, D. Heffernan, T. Higuchi, T. Hokuue, Y. Hoshi, W.-S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, H. Kaji, J.H. Kang, P. Kapusta, N. Katayama, H. Kawai, T. Kawasaki, H. Kichimi, H.O. Kim, Y.J. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C.C. Kuo, A. Kuzmin, Y.-J. Kwon, S.E. Lee, T. Lesiak, S.-W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, A. Matyja, S. McOnie, T. Medvedeva, H. Miyata, Y. Miyazaki, R. Mizuk, G.R. Moloney, T. Mori, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S.L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C.W. Park, R. Pestotnik, L.E. Piilonen, H. Sahoo, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, J. Schümann, K. Senyo, M.E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, J.B. Singh, A. Sokolov, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, S.Y. Suzuki, F. Takasaki, K. Tamai, M. Tanaka, G.N. Taylor, Y. Teramoto, X.C. Tian, I. Tikhomirov, T. Tsukamoto, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, K. Vervink, S. Villa, C.C. Wang, C.H. Wang, M.-Z. Wang, Y. Watanabe, E. Won, B.D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, C.C. Zhang, Z.P. Zhang, V. Zhilich, and A. Zupanc
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Angular range, Range (particle radiation), Meson, law.invention, Nuclear physics, KEKB, law, Center of mass, Collider, Positron annihilation
Abstract: KS 0 KS 0 production in two-photon collisions has been studied using a 397.6 fb-1 data sample collected with the Belle detector at the KEKB e+ e- collider. For the first time the cross sections are measured in the two-photon center-of-mass energy range between 2.4 GeV and 4.0 GeV and angular range | cos θ* | < 0.6. Combining the results with measurements of γ γ → K+ K- from Belle, we observe that the cross section ratio σ (KS 0 KS 0) / σ (K+ K-) decreases from ∼0.13 to ∼0.01 with increasing energy. Signals for the χc 0 and χc 2 charmonium states are also observed. © 2007 Elsevier B.V. All rights reserved.
Published: 2007

49. Measurements of branching fractions and q2 distributions for B→πℓν and B→ρℓν decays with B→D(∗)ℓν decay tagging

Author: T. Hokuue, K. Abe, I. Adachi, H. Aihara, Y. Asano, T. Aushev, A.M. Bakich, V. Balagura, E. Barberio, M. Barbero, A. Bay, I. Bedny, K. Belous, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko, T.E. Browder, P. Chang, A. Chen, W.T. Chen, Y. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, N. Gabyshev, A. Garmash, T. Gershon, G. Gokhroo, A. Gorišek, H. Ha, J. Haba, K. Hara, T. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, L. Hinz, Y. Hoshi, S. Hou, W.-S. Hou, T. Iijima, K. Ikado, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, H. Kakuno, J.H. Kang, P. Kapusta, S.U. Kataoka, H. Kawai, T. Kawasaki, H.R. Khan, H.J. Kim, H.O. Kim, K. Kinoshita, Y. Kozakai, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C.C. Kuo, A. Kuzmin, Y.-J. Kwon, J. Lee, T. Lesiak, J. Li, A. Limosani, S.-W. Lin, G. Majumder, F. Mandl, T. Matsumoto, A. Matyja, S. McOnie, W. Mitaroff, H. Miyake, H. Miyata, Y. Miyazaki, D. Mohapatra, I. Nakamura, E. Nakano, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S.L. Olsen, Y. Onuki, P. Pakhlov, C.W. Park, H. Park, L.S. Peak, R. Pestotnik, L.E. Piilonen, Y. Sakai, N. Sato, N. Satoyama, K. Sayeed, T. Schietinger, O. Schneider, C. Schwanda, A.J. Schwartz, K. Senyo, M.E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, A. Somov, R. Stamen, S. Stanič, M. Starič, H. Stoeck, A. Sugiyama, S. Suzuki, S.Y. Suzuki, O. Tajima, F. Takasaki, K. Tamai, M. Tanaka, G.N. Taylor, Y. Teramoto, X.C. Tian, T. Tsukamoto, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, G. Varner, K.E. Varvell, S. Villa, C.C. Wang, C.H. Wang, M.-Z. Wang, Y. Watanabe, E. Won, A. Yamaguchi, Y. Yamashita, M. Yamauchi, J. Ying, L.M. Zhang, Z.P. Zhang, and D. Zürcher
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, KEKB, Cabibbo–Kobayashi–Maskawa matrix, Electron–positron annihilation, Analytical chemistry, Form factor (quantum field theory), Resonance, B meson, Lattice QCD, Branching (polymer chemistry)
Abstract: We report measurements of the charmless semileptonic decays B0 → π- / ρ- l+ ν and B+ → π0 / ρ0 l+ ν, based on a sample of 2.75 × 108B over(B, ) events collected at the Υ{hooked} (4 S) resonance with the Belle detector at the KEKB e+ e- asymmetric collider. In this analysis, the accompanying B meson is reconstructed in the semileptonic mode B → D(*) l ν, enabling detection of the signal modes with high purity. We measure the branching fractions B (B0 → π- l+ ν) = (1.38 ± 0.19 ± 0.14 ± 0.03) × 10-4, B (B0 → ρ- l+ ν) = (2.17 ± 0.54 ± 0.31 ± 0.08) × 10-4, B (B+ → π0 l+ ν) = (0.77 ± 0.14 ± 0.08 ± 0.00) × 10-4 and B (B+ → ρ0 l+ ν) = (1.33 ± 0.23 ± 0.17 ± 0.05) × 10-4, where the errors are statistical, experimental systematic, and systematic due to form factor uncertainties, respectively. For each mode we also present the partial branching fractions in three q2 intervals: q2 < 8, 8 ≤ q2 < 16, and q2 ≥ 16 GeV2 / c2. From our partial branching fractions for B → π l ν and recent results for the form factor from unquenched Lattice QCD calculations, we obtain values of the CKM matrix element | Vu b |. © 2007 Elsevier B.V. All rights reserved.
Published: 2007

50. Search for lepton flavor violating τ− decays into ℓ−η, ℓ−η′ and ℓ−π0

Author: Y. Miyazaki, I. Adachi, H. Aihara, D. Anipko, K. Arinstein, V. Aulchenko, T. Aziz, A.M. Bakich, E. Barberio, A. Bay, I. Bedny, K. Belous, U. Bitenc, I. Bizjak, A. Bondar, M. Bračko, T.E. Browder, A. Chen, W.T. Chen, B.G. Cheon, Y. Choi, Y.K. Choi, J. Dalseno, S. Eidelman, D. Epifanov, S. Fratina, N. Gabyshev, A. Go, A. Gorišek, H. Ha, J. Haba, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, T. Hokuue, Y. Hoshi, S. Hou, W.-S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, H. Kaji, P. Kapusta, H. Kawai, T. Kawasaki, H. Kichimi, Y.J. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C.C. Kuo, A. Kuzmin, Y.-J. Kwon, M.J. Lee, T. Lesiak, S.-W. Lin, F. Mandl, T. Matsumoto, H. Miyake, H. Miyata, T. Nagamine, Y. Nagasaka, M. Nakao, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Park, L.S. Peak, R. Pestotnik, L.E. Piilonen, A. Poluektov, H. Sahoo, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, J. Schümann, C. Schwanda, A.J. Schwartz, K. Senyo, M.E. Sevior, H. Shibuya, B. Shwartz, V. Sidorov, J.B. Singh, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, T. Sumiyoshi, F. Takasaki, K. Tamai, M. Tanaka, G.N. Taylor, Y. Teramoto, X.C. Tian, I. Tikhomirov, T. Tsukamoto, S. Uehara, K. Ueno, Y. Unno, S. Uno, P. Urquijo, Y. Usov, G. Varner, S. Villa, A. Vinokurova, C.H. Wang, M. Watanabe, Y. Watanabe, E. Won, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Z.P. Zhang, V. Zhilich, V. Zhulanov, and A. Zupanc
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, KEKB, Pi, High Energy Physics::Experiment, Pseudoscalar meson, Lepton
Abstract: We have searched for lepton-flavor-violating $\tau$ decays with a pseudoscalar meson ($\eta$, $\eta'$ {and} $\pi^0$) using a data sample of 401 fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. No evidence for these decays is found and we set the following upper limits on the branching fractions: ${\cal{B}}(\tau^-\to e^-\eta) < 9.2\times 10^{-8}$, ${\cal{B}}(\tau^-\to \mu^-\eta) < 6.5\times 10^{-8}$, ${\cal{B}}(\tau^-\to e^-\eta') < 1.6\times 10^{-7}$, ${\cal{B}}(\tau^-\to \mu^-\eta') < 1.3\times 10^{-7}$, ${\cal{B}}(\tau^-\to e^-\pi^0) < 8.0\times 10^{-8}$ and ${\cal{B}}(\tau^-\to \mu^-\pi^0) < 1.2\times 10^{-7}$ at the 90% confidence level. These results improve our previously published upper limits by factors from 2.3 to 6.3.
Published: 2007

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