358 results on '"J. ZHOU"'
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2. Experimental Evidence of t2g Electron-Gas Rashba Interaction Induced by Asymmetric Orbital Hybridization
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G. J. Omar, W. L. Kong, H. Jani, M. S. Li, J. Zhou, Z. S. Lim, S. Prakash, S. W. Zeng, S. Hooda, T. Venkatesan, Y. P. Feng, S. J. Pennycook, L. Shen, and A. Ariando
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General Physics and Astronomy - Published
- 2022
- Full Text
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3. Experimental Evidence of t_{2g} Electron-Gas Rashba Interaction Induced by Asymmetric Orbital Hybridization
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G J, Omar, W L, Kong, H, Jani, M S, Li, J, Zhou, Z S, Lim, S, Prakash, S W, Zeng, S, Hooda, T, Venkatesan, Y P, Feng, S J, Pennycook, L, Shen, and A, Ariando
- Abstract
We report the control of Rashba spin-orbit interaction by tuning asymmetric hybridization between Ti orbitals at the LaAlO_{3}/SrTiO_{3} interface. This asymmetric orbital hybridization is modulated by introducing a LaFeO_{3} layer between LaAlO_{3} and SrTiO_{3}, which alters the Ti-O lattice polarization and traps interfacial charge carriers, resulting in a large Rashba spin-orbit effect at the interface in the absence of an external bias. This observation is verified through high-resolution electron microscopy, magnetotransport and first-principles calculations. Our results open hitherto unexplored avenues of controlling Rashba interaction to design next-generation spin orbitronics.
- Published
- 2021
4. Observation of Spin Splitting Torque in a Collinear Antiferromagnet RuO_{2}
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H. Bai, L. Han, X. Y. Feng, Y. J. Zhou, R. X. Su, Q. Wang, L. Y. Liao, W. X. Zhu, X. Z. Chen, F. Pan, X. L. Fan, and C. Song
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Condensed Matter - Materials Science ,Materials Science (cond-mat.mtrl-sci) ,FOS: Physical sciences ,General Physics and Astronomy ,Condensed Matter::Strongly Correlated Electrons - Abstract
Current-induced spin torques provide efficient data writing approaches for magnetic memories. Recently, the spin splitting torque (SST) was theoretically predicted (R. Gonz\'alez-Hern\'andez et al. Phys. Rev. Lett. 126, 127701 (2021)), which combines advantages of conventional spin transfer torque (STT) and spin-orbit torque (SOT) as well as enables controllable spin polarization. Here we provide the experimental evidence of SST in collinear antiferromagnet RuO2 films. The spin current direction is found to be correlated to the crystal orientation of RuO2 and the spin polarization direction is dependent on (parallel to) the N\'eel vector. These features are quite characteristic for the predicted SST. Our finding not only present a new member for the spin torques besides traditional STT and SOT, but also proposes a promising spin source RuO2 for spintronics., Comment: 18 pages, 4 figures, accepted by Phys. Rev. Lett
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- 2021
5. Model-Independent Study of Structure in B+→D+D−K+ Decays
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L. Calefice, Julian Alexander Boelhauve, Marco Adinolfi, A. Fernandez Prieto, Emmy Gabriel, Benedetto Gianluca Siddi, Jascha Peter Grabowski, V. Shevchenko, Anna Danilina, Cedric Meaux, A. Petrolini, M. Patel, Anastasiia Kharisova, Federico Lazzari, N. K. Watson, S. Eidelman, Kevin Heijhoff, Lorenzo Capriotti, Yiheng Luo, Deepanwita Dutta, Stefano Petrucci, F. Blanc, G. Carboni, D. E. Hutchcroft, Pascal Vincent, Marcel Materok, Rizwaan Adeeb Mohammed, Vitalii Lisovskyi, Simon Stemmle, S. Playfer, Edoardo Franzoso, Frank Ferrari, James Mwangi Kariuki, R. Lefèvre, Marco Petruzzo, G. Graziani, Marian Stahl, David Gascon, Naomi Veronika Raab, Jana Crkovská, J. Lomba Castro, Da Yu Tou, F. Teubert, Igor Skiba, Yang Yang, Ivan Solovyev, W. Baldini, A. Lai, Andrea Mauri, Wenbin Qian, James Vincent Mead, F. Goncalves Abrantes, A. Jawahery, Thomas Peter Jones, Andrea Lampis, B. Fang, G. Valenti, W. Wislicki, C. Santamarina Rios, Titus Mombächer, Thomas Grammatico, Y. Gao, A. Alfonso Albero, G. Wormser, Kenenbek Arzymatov, O. Steinkamp, Guy Wilkinson, P. Vazquez Regueiro, D. De Simone, Viacheslav Matiunin, Yonghui Zhou, Marco Cattaneo, Daniel Vieira, Ming Zeng, Tommaso Pajero, Yawen Wang, Sebastian Neubert, Kuzma Ivshin, Joan Mauricio, Philipp Ibis, Jordy Sebastiaan Butter, Marcin Kucharczyk, Maximilien Chefdeville, M. van Veghel, G. Martellotti, Petr Fedin, Vladimir Chulikov, C. Haen, Artem Maevskiy, C. B. Van Hulse, Oleg Yushchenko, Xiao-yan Li, Olivier Deschamps, Niklas Stefan Nolte, Ying Lu, Mark Wilkinson, Roland Waldi, Razvan Daniel Moise, J. M. Yu, Agnieszka Oblakowska-Mucha, Martina Ferrillo, X. Han, Martha Hilton, F. Archilli, Cynthia Nunez, B. Malecki, M. Pepe Altarelli, Thomas Harrison, Edward James Millard, Marco Gersabeck, M. Vieites Diaz, D. R. Johnson, Maciej Witold Majewski, C. R. Jones, Matthew Scott Rudolph, W. D. Hulsbergen, J. A. Rodriguez Lopez, Sook Hyun Lee, M. J. Bradley, Gary Robertson, Sergey Gromov, Lucian Cojocariu, Mark Smith, M. Tobin, Krzysztof Swientek, Olga Madejczyk, Franco Bedeschi, P. Fernandez Declara, C. Vázquez Sierra, Lucio Anderlini, Chenxi Gu, Ina Carli, Nikita Kazeev, A. Casais Vidal, L. Meyer Garcia, B. Quintana, E. Santovetti, Tatiana Gaintseva, Stephen G. Weber, Richard Lane, Gediminas Sarpis, A. Brossa Gonzalo, P. Gironella Gironell, Tabitha Halewood-leagas, Zishuo Yang, M. Palutan, L. Dieste Maronas, M. O. Bettler, M. R. J. Williams, Naomi Cooke, L. Zhang, S. Ferreres Sole, I. V. Gorelov, K. Müller, Giovanni Bassi, Timon Schmelzer, Timofei Maltsev, J. Serrano, V. Gibson, R. Schwemmer, Mauro Morandin, Zhiyu Xiang, X. Cid Vidal, F. Muheim, John Gordon Smeaton, Guanghua Gong, Christopher John Parkinson, M. Veltri, G. Haefeli, Jennifer Clare Smallwood, L. Calero Diaz, Yuyue Gan, Anatoly Butkevich, Valery Pugatch, Vladimir Romanovskiy, A. Zhelezov, K. Carvalho Akiba, Aleksei Chernov, Xiaofeng Zhu, C. Remon Alepuz, A. Papanestis, Gaia Lanfranchi, A. Grecu, D. Sanchez Gonzalo, N. Tuning, John Matthew Durham, K. E. Kim, Amanda May Donohoe, William Parker, K. De Bruyn, Dana Bobulska, Violaine Bellee, William Dean, Alessandra Gioventù, Andrey Ustyuzhanin, G. Punzi, J. J. Back, M. Rotondo, Serhii Cholak, J. M. Otalora Goicochea, Piera Muzzetto, Wolfgang Funk, Matthew George Chapman, Marko Milovanovic, Emilie Maurice, F. Polci, Loris Martinazzoli, Markus Frank, Ao Xu, Mara Senghi Soares, Jakob Haimberger, J. García Pardiñas, D. Torres Machado, R. Lindner, Elisabeth Maria Niel, Davide Fazzini, Sonia Amina Bouchiba, T. Ruf, Y. Li, R. Silva Coutinho, Ryan Newcombe, Evgenii Shmanin, J. Maratas, Ifan Williams, Sergei Popov, Bernardo Adeva, Lex Marinus Greeven, Renata Kopecna, Andrea Merli, Jakub Ryzka, Timothy Evans, Jacopo Cerasoli, Dmitrii Maisuzenko, Hans Dijkstra, Bhagyashree Pagare, Alessandro Pastore, Zhenzi Wang, Veronica Soelund Kirsebom, Zan Ren, J. H. Lopes, Zhipeng Tang, Adam Dendek, B. Garcia Plana, Anastasia Smetkina, D. Martinez Santos, J. Z. Fan, Wenhua Hu, Y. Zhang, Youen Kang, S. Blusk, Saverio Mariani, Vukan Jevtic, Alessandro Camboni, K. M. Fischer, M.-N. Minard, A. Vorobyev, Marek Jezabek, F. Dordei, Martino Borsato, Mark Whitehead, P. Garcia Moreno, D. Zhang, J. J. Xu, Karlis Dreimanis, R. Calabrese, Sophie Elizabeth Hollitt, Lucas Mcconnell, Tommaso Colombo, Carmen Giugliano, Silvia Borghi, M. Karacson, Qundong Han, Basem Khanji, Y. Xie, Thomas Blake, H. Schindler, Marek Idzik, Thomas Hadavizadeh, Maxim Borisyak, C. Gaspar, Davide Brundu, Jing Wang, Colm Harold Murphy, Resmi P.K, Arnaud Robert, Hannah Louise Pullen, M. Korolev, J. He, Surapat Ek-In, Alex Pearce, C. Patrignani, V. Tisserand, M. Andreotti, Gennady Panshin, M. Poli Lener, M. van Beuzekom, X. Huang, Patrick Owen, Fabrice Desse, Alexander Semennikov, Kevin Heinicke, Fedor Baryshnikov, Christoph Langenbruch, Chung Nguyen-Mau, Kara Renee Mattioli, M. Cruz Torres, Gregory Ciezarek, Marcel Merk, Konrad Klimaszewski, Fidan Suljik, Sara Celani, Aravindhan Venkateswaran, Jia-Jia Qin, Anatoly Konoplyannikov, Scott Ely, Maria Elena Stramaglia, Giulia Frau, Lishuang Ma, C. Chen, M. De Cian, Hongjie Mu, Jonas Rademacker, Jozef Tomasz Borsuk, Stephen M. Stahl, Marie Bachmayer, N. Neufeld, Viacheslav Duk, C. Sanchez Mayordomo, Daniele Marangotto, Feng Jiang, Matthieu Marinangeli, S. J. Chen, Jacopo Pinzino, C. Sanchez Gras, Gianluigi Casse, Angelo Loi, S. Easo, Miroslaw Firlej, R. Santacesaria, Anna Ossowska, Nathan Jurik, Lain-Jong Li, Tamaki Holly Mcgrath, Giovanni Cavallero, Fionn Caitlin Ros Bishop, Stefano Zucchelli, E. Jans, Lauren Emma Yeomans, H. V. Cliff, Anthony Gavin Downes, Sofia Kotriakhova, Jeremy Dalseno, P. Griffith, Daniel Joachim Unverzagt, Srishti Bhasin, Guillaume Pietrzyk, Louis Henry, Paolo Ciambrone, Hilbrand Steffen Kuindersma, Danila Saranin, Tomasz Fiutowski, P. Collins, Y. Sun, Andrii Usachov, M. Rama, F. Fontanelli, Michele Veronesi, Zakariya Aliouche, Federico Alessio, Christoph Hasse, G. Passaleva, Christopher James Pawley, Christopher Burr, D. Vom Bruch, Julien Cogan, Artem Ryzhikov, P. Campana, Hongxi Xing, Nis Meinert, Shudong Zhang, Alison Tully, Michal Kreps, Sergey Strokov, L. M. Garcia Martin, Paolo Carniti, Meril Reboud, B. Jost, M. S. Rangel, Liupan An, R. Matev, B. Rachwal, Victor Egorychev, Alexander Berezhnoy, Hanna Malygina, Mikhail Mikhasenko, Andrea Bizzeti, Sara Sellam, G. Manca, Diego Alejandro Milanes, Paul Seyfert, M. J. Morello, P. Perret, William Barter, Martina Pili, Angelo Carbone, Mika Vesterinen, Ph. Charpentier, O. Schneider, Natalia Polukhina, Qiang Xu, Alexander Malinin, Gerwin Meier, S. Kandybei, J. A. B. Coelho, M. T. Tran, R. McNulty, P. Krokovny, Eduardo Rodrigues, M. Senghi Soares, Sergey Barsuk, M. Xu, Cameron Thomas Dean, B. Souza De Paula, R. Vazquez Gomez, H. W. Van Hecke, Oliver Lantwin, Michal Dziewiecki, Karol Hennessy, N. Valls Canudas, M. Brodski, François Fleuret, Jaap Velthuis, B. Leverington, D. Yang, E. Grauges, M. Chrzaszcz, L. Giubega, A. Oyanguren, T. Kirn, Stephane T'Jampens, Vlad-Mihai Placinta, Jennifer Brigitta Zonneveld, I. A. Monroy, R. Nandakumar, F. Machefert, Tai-hua Lin, Olli Lupton, L. G. Scantlebury Smead, M. Charles, A. B. Rodrigues, P. Alvarez Cartelle, Marco Clemencic, Luyan Sun, Mikkel Bjørn, K. Wyllie, F. A. Garcia Rosales, Lars Eklund, B. Pietrzyk, Mark Slater, Vladislav Belavin, E. Spadaro Norella, Cheryl Pappenheimer, Y. H. Zheng, Eliane Epple, Florian Reiss, S. Malde, Jonas Nathanael Eschle, L. Tomassetti, Adam Szabelski, V. V. Gligorov, C. Marin Benito, Tatiana Ovsiannikova, Nikolai Voropaev, David Anthony Friday, A. Ukleja, Yue Pan, T. J. Gershon, C. J. G. Onderwater, Alexander Inglessi, A. G. Morris, Stefano Cali, George Coombs, E. van Herwijnen, Elena Graverini, T. E. Latham, L. Shekhtman, Maciej Pawel Szymanski, Jiangqiao Hu, A. Dziurda, Elie Aslanides, Roger Forty, Alexander Battig, Xixin Liang, Gabriele Simi, Lukas Witola, Artur Ishteev, C. Parkes, Silvia Gambetta, Ziad Ajaltouni, Valeriia Lukashenko, Arthur Marius Hennequin, Heather Mckenzie Wark, S. Perazzini, M. Franco Sevilla, Dmitry Popov, Simon Akar, E. Ben-Haim, Maxime Schubiger, Anton Philippov, Nicola Serra, H. B. Liu, A. Bay, Abbie Jane Chadwick, Matthieu Kecke, Flavio Pisani, B. T. Meadows, Antonio Pellegrino, Alexey A. Petrov, Joseph David Shupperd, F. Redi, R. Graciani Diaz, Halime Sazak, Andrew Beiter, Alexandre Boyer, Claire Prouve, Neville Harnew, G. Raven, D. Decamp, A. Golutvin, A. F. Campoverde Quezada, E. Polycarpo, Tatsuya Nakada, Marco Guarise, Vladislav Balagura, F. Stagni, Victor Coco, Zhuoming Li, Phoebe Meredith Hamilton, Jan Buytaert, P. Spradlin, Ignacio Bediaga, Desmond Mzamo Shangase, M. D. Sokoloff, U. Marconi, F. F. Wilson, Lingzhu Bian, A. Gomes, Federico Betti, L. A. Granado Cardoso, S. Meloni, Ilia Belov, G. Bencivenni, S. Esen, Wojciech Kucewicz, Gianluca Zunica, Michele Atzeni, G. Mancinelli, Conor Fitzpatrick, Antonino Sergi, T. Boettcher, M. Plo Casasus, Mateusz Goncerz, Barbara Sciascia, Stephanie Schulte, Sergey Didenko, Simone Bifani, S. Farry, W. Huang, M. Mukherjee, Ryan Calladine, Plamen Hristov Hopchev, Francesco Dettori, A. Brea Rodriguez, Dmitrii Ilin, Yanting Fan, Maria Flavia Cicala, Petr Andreevich Gorbounov, Jordan Daniel Roth, Michele Piero Blago, Hossein Afsharnia, G. Liu, Marco Santimaria, D. Websdale, B. Couturier, R. A. Fini, Daniel Berninghoff, A. Falabella, M. Sarpis, Biagio Saitta, Stanislav Luchuk, L. R. Madhan Mohan, Lesya Shchutska, D. Campora Perez, Moran Wang, Carmelo D'Ambrosio, Jean François Marchand, V. Kudryavtsev, D. R. Ward, Oleg Stenyakin, S. Tolk, Donal Murray, E. Cogneras, Emilie Bertholet, Peilian Li, Xiao-Rui Lyu, E. Dall’Occo, E. Golobardes, Jonathan Plews, R. Currie, C. Abellán Beteta, S. Capelli, P. De Simone, S. Hansmann-Menzemer, Gerd Joachim Kunde, A. Schopper, L. De Paula, Baasansuren Batsukh, Zhihong Shen, S. Schael, Marianna Fontana, Luca Minzoni, Dylan Jaide White, Michela Garau, S. A. Wotton, Patrick Robbe, P. Baladron Rodriguez, John Jake Lane, K. Petridis, Serhii Koliiev, Rudolf Oldeman, C. A. Aidala, L. Del Buono, Roman Litvinov, Ilaria Neri, F. J. P. Soler, Niladribihari Sahoo, A. Tsaregorodtsev, Oleksander Kot, Xia-Ji Liu, Sheldon Stone, S. C. Haines, A. Hicheur, Felix Johannes Kress, Shantam Taneja, B. Spaan, J. Closier, A. Massafferri, Philipp Roloff, Alexandra Paige Rollings, John Leslie Cobbledick, Roel Aaij, Vadym Denysenko, M. De Serio, D. Lacarrere, C. L. Da Silva, R. Mountain, Claudia Bertella, Murdo Traill, Rui Wang, Aleksandra Snoch, S. Vecchi, Quentin Fuehring, Phillip John Marshall, A. Gallas Torreira, Wojciech Krzemien, Tobias Tekampe, M. McCann, Carina Trippl, Dawid Gerstel, Eluned Smith, Hangyi Wu, Lucia Grillo, Aleksandr Solovev, C. Matteuzzi, Andreas Güth, Margarete Schellenberg, Peter Svihra, T. D. Nguyen, T. Lesiak, C. A. Chavez Barajas, A. McNab, Roland Bernet, Ross John Hunter, Alessio Piucci, Holger Stevens, Hang Yin, O. Boente Garcia, Robbert Erik Geertsema, Evelina Gersabeck, Barbara Passalacqua, Samuel Belin, Mauro Piccini, Benjamin Audurier, Malte Hecker, Denis Derkach, F. Ferreira Rodrigues, Renato Quagliani, Dmitrii Pereima, Fedor Ratnikov, Yasmine Amhis, Gabriela Johanna Pomery, Michael Becker, Dmitry Golubkov, Matteo Giovannetti, Alexander D. Popov, Alexey Boldyrev, M. H. Schune, C. Göbel, O. Maev, Giulia Tuci, Abhijit Mathad, Almagul Kondybayeva, A. Romero Vidal, Constantin Weisser, Sergey Legotin, D. Hynds, D. Galli, Marina Artuso, Salvatore Aiola, Philip Ilten, L. Garrido, H. Li, Tomasz Skwarnicki, Davide Zuliani, Patrick Mackowiak, U. Uwer, Sebastian Bachmann, V. Obraztsov, Jakub Moron, Sergei Kholodenko, Kodassery Prasanth, Hans Dembinski, Roberta Cardinale, Roberto Ribatti, M. Shapkin, Floris Keizer, D. Pinci, Jihyun Bhom, Mariia Poliakova, E. Vilella Figueras, L. Ferreira Lopes, Simon Baker, M. Lucio Martinez, Stephan Eisenhardt, Liliana Congedo, F. L. Souza De Almeida, Brij Kishor Jashal, Lorenzo Pica, Pavol Stefko, A. Palano, Tomasz Szumlak, Lukas Gruber, R. Le Gac, V. Franco Lima, Alexandru Ene, E. Thomas, Ivan Polyakov, F. Maciuc, Tara Shears, S.-G. Chitic, Adam Benjamin Morris, J. A. de Vries, Georgios Chatzikonstantinidis, S. Filippov, Samuel Maddrell-Mander, P. Naik, Mauricio Féo, R. Jacobsson, Rafal Dominik Krawczyk, P. Gandini, Matthew James Tilley, Matteo Bartolini, Nathanael Farley, M. Witek, M. Needham, Matthew Birch, Igor Kostiuk, L. Kravchuk, Alessandro Cardini, Chishuai Wang, J. M. De Miranda, Anton Poluektov, Lorenzo Sestini, E. Govorkova, Harald Viemann, Alexander Leflat, M. Mulder, A. Bursche, S. Ricciardi, V. Vorobyev, M. Romero Lamas, M. Ferro-Luzzi, I. Longstaff, L. L. Pappalardo, P. Camargo Magalhaes, Adam Davis, Aleksei Andreianov, N. Sagidova, O. Zenaiev, F. Martinez Vidal, Tjeerd Ketel, R. I. Rabadan Trejo, Sune Jakobsen, Konstantin Gizdov, Wiktor Byczynski, M. Martinelli, J. Baptista Leite, Ouail Kitouni, Johannes Albrecht, Dominik Stefan Mitzel, Gianfranco Morello, Pawel Kopciewicz, Claudio Gotti, Blaise Delaney, Laura Promberger, Christoph Frei, P. Billoir, Malcolm John, M. Gandelman, Victor Renaudin, Pietro Marino, M. Schmelling, J. Fu, Sandra Amato, A. Bondar, Vladimir Macko, I. Nasteva, Dominik Müller, V. Vagnoni, Yury Guz, Alessio Sarti, M. Fiorini, E. Gushchin, Andrea Valassi, Tara Nanut, K. Belous, Jolanta Brodzicka, Dong Xiao, Biljana Mitreska, Matthew Kenzie, Zehua Xu, Daria Strekalina, E. Luppi, A. Bertolin, Shuaiyi Liu, Mark Hatch, Xavier Vilasis-Cardona, Laurent Dufour, Nicola Neri, C. M. Costa Sobral, Johannes Heuel, Sara Elizabeth Mitchell, A. Dovbnya, J. J. Walsh, Davide Lancierini, Daniel Patrick O'Hanlon, Z. Mathe, Veronika Chobanova, Nikolay Bondar, Jan Langer, M. Pappagallo, Ph. Ghez, A. Sciubba, Paul Andre Günther, O. De Aguiar Francisco, Miroslav Saur, Tengiz Kvaratskheliya, Paul Nathaniel Swallow, A. Lusiani, B. R. Gruberg Cazon, J. Marks, Antje Mödden, M. Straticiuc, Yuezhe Yao, Huacheng Cai, G. D. Lafferty, T. Gys, Ivan Shchemerov, Preema Rennee Pais, Ekaterina Trifonova, l. Soares Lavra, P. Di Nezza, S. Klaver, J. J. Saborido Silva, Anna Lupato, S. Monteil, George Holger Lovell, R. Manera Escalero, Manuel Schiller, Lauren Douglas, Biplab Dey, Serena Maccolini, Wojciech Krupa, Alexsei Chubykin, Simon Nieswand, Annarita Buonaura, Valery Zhukov, J. M. Fernandez-tenllado Arribas, S. Simone, Christopher Betancourt, A. Satta, Ulrik Egede, Svende Braun, C. Satriano, A. Contu, Olivier Leroy, Polina Kravchenko, Harris Conan Bernstein, C. Bozzi, A. Puig Navarro, R. J. Barlow, E. L. Gkougkousis, Marta Calvi, B. Schmidt, Ivan Belyaev, Jan-Marc Basels, A. Artamonov, Michal Kazimierz Mazurek, D. Wiedner, A. Dzyuba, Guillermo Loustau, D. Hill, Li Xu, S. De Capua, Ia. Bezshyiko, Nikolay Nikitin, S. Gomez Fernandez, Daniel Stephen Richards, D. Savrina, Philippe d'Argent, P. E. L. Clarke, Sebastien Ponce, Kayleigh Anne Thomson, Daniele Manuzzi, A. C. dos Reis, G. Alkhazov, Mikhail Hushchyn, Xuhao Yuan, Jiayin Sun, Sophie Katharina Kretzschmar, M. Calvo Gomez, Maciej Wojciech Dudek, E. B. Shields, G. Corti, Martin Stefan Bieker, Daniel Charles Craik, M. Ramos Pernas, P. Durante, Giacomo Vitali, Louis Lenard Gerken, Stephan Escher, Patrick Koppenburg, B. D. C. Westhenry, Sandro Cadeddu, D. Melnychuk, X. J. Zhou, Thomas Ackernley, A. Vollhardt, Kristian Alexander Zarebski, Michael Alexander, D. Lucchesi, Thomas Henry Hancock, Alex Seuthe, Mark Richard James Williams, Mikhail Zavertyaev, Nicola Skidmore, Vasyl Dobishuk, Themistocles Bowcock, Stanislav Poslavskii, David Gerick, J. Ruiz Vidal, Kurt Rinnert, Milosz Zdybal, and Alexander Vagner
- Subjects
Physics ,Particle physics ,Large Hadron Collider ,0103 physical sciences ,Structure (category theory) ,General Physics and Astronomy ,High Energy Physics::Experiment ,Nuclear Experiment ,010306 general physics ,01 natural sciences ,Luminosity - Abstract
The only anticipated resonant contributions to $B^+\to D^+D^-K^+$ decays are charmonium states in the $D^+D^-$ channel. A model-independent analysis, using LHCb proton-proton collision data taken at centre-of-mass energies of $\sqrt{s}=7,8,$ and $13$ TeV, corresponding to a total integrated luminosity of 9 fb$^{-1}$, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the $D^+D^-$ pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the $D^-K^+$ channel with masses around 2.9 GeV$/c^2$.
- Published
- 2020
- Full Text
- View/download PDF
6. Measurement of CP -Averaged Observables in the B0→K*0μ+μ− Decay
- Author
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V. Franco Lima, J. A. de Vries, Matthew James Tilley, Lucian Cojocariu, Mark Smith, A. Bertolin, K. Wyllie, B. Pietrzyk, Nathanael Farley, M. Witek, Aleksei Chernov, Tommaso Colombo, Cheryl Pappenheimer, K. E. Kim, William Parker, M. Needham, M. Merk, R. Silva Coutinho, Ryan Newcombe, F. Polci, Y. H. Zheng, S. Eidelman, Mick Mulder, H. F. Schreiner, G. Valenti, C. J. G. Onderwater, Basem Khanji, Y. Xie, Alexander Inglessi, D. Torres Machado, Evgenii Shmanin, Jakub Ryzka, Robert Hart, Timothy Evans, Thomas Blake, H. Schindler, Alessandro Pastore, Zhenzi Wang, Marek Idzik, Veronica Soelund Kirsebom, F. Blanc, Elena Graverini, Ph. Charpentier, C. Marin Benito, Dmitry Popov, Thomas Hadavizadeh, Johannes Albrecht, Davide Brundu, Simon Akar, Colm Harold Murphy, Arnaud Robert, Carmen Giugliano, Silvia Borghi, M. Karacson, Alexander Malinin, R. Lefèvre, Kuzma Ivshin, C. Patrignani, Markus Roehrken, Qundong Han, V. Tisserand, Giovanni Cavallero, Louis Henry, Hilbrand Steffen Kuindersma, J. H. Lopes, Zhipeng Tang, M. van Beuzekom, Scott Ely, Maria Elena Stramaglia, G. Graziani, Wenhua Hu, Y. Zhang, A. Bay, S. Blusk, Saverio Mariani, Z. Xu, Y. Gao, A. Alfonso Albero, Vukan Jevtic, O. V. Mineev, S. Esen, Alessandro Camboni, K. M. Fischer, Wojciech Kucewicz, Fedor Baryshnikov, Stefano Zucchelli, Malcolm John, Chung Nguyen-Mau, P. Naik, David Gascon, Philipp Ibis, Matthew Kelsey, A. Petrolini, Marco Petruzzo, Gregory Ciezarek, Mauricio Féo, Tomasz Fiutowski, Daniel Vieira, M. Gandelman, Jeremy Dalseno, Kevin Heijhoff, Lorenzo Capriotti, Vladislav Balagura, J. Lomba Castro, P. Vazquez Regueiro, G. Wormser, Vladimir Chulikov, Marian Stahl, A. B. Rodrigues, Viacheslav Matiunin, B. T. Meadows, Lars Eklund, Jordy Sebastiaan Butter, A. Di Canto, Naomi Veronika Raab, P. Collins, Y. Sun, P. Griffith, Paolo Ciambrone, Pietro Marino, M. Schmelling, Petr Andreevich Gorbounov, Ziad Ajaltouni, Christoph Langenbruch, Gianluigi Casse, Mikhail Mikhasenko, Andrea Bizzeti, Angelo Loi, Jonathan Plews, Vladimir Macko, P. De Simone, Gerwin Meier, B. Spaan, J. Closier, A. Massafferri, C. Chen, Yonghui Zhou, Marco Cattaneo, Roel Aaij, Jana Crkovská, Vadym Denysenko, Dong Xiao, Guido Andreassi, Marco Santimaria, David Anthony Friday, Stefano Cali, George Coombs, A. Jawahery, Marcin Kucharczyk, Maximilien Chefdeville, G. Raven, D. Decamp, A. Golutvin, Darya Savrina, Tatiana Ovsiannikova, Arthur Marius Hennequin, S. Kandybei, J. A. B. Coelho, C. Vázquez Sierra, P. Spradlin, S. Ogilvy, Da Yu Tou, F. Teubert, T. Kirn, E. Gushchin, Heather Mckenzie Wark, I. Nasteva, C. Sanchez Mayordomo, E. Jans, Michele Piero Blago, Srishti Bhasin, A. Casais Vidal, R. Currie, Carmelo D'Ambrosio, Jean François Marchand, Agnieszka Oblakowska-Mucha, H. V. Cliff, Ming Zeng, Tommaso Pajero, R. Cenci, M. De Cian, M. Rama, F. 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Perazzini, M. Franco Sevilla, P. Durante, Giacomo Vitali, A. Bursche, Daniel Charles Craik, J. J. Xu, Stephan Escher, Patrick Koppenburg, Alexander Vagner, Anna Danilina, Karlis Dreimanis, A. F. Campoverde Quezada, E. Ben-Haim, R. Calabrese, P. Gandini, Luca Pescatore, V. Obraztsov, A. Satta, David Loh, Andrii Usachov, Marco Pappagallo, Eliane Epple, M. Rotondo, Serhii Cholak, Renata Kopecna, V. Gibson, Serhii Koliiev, Nikolai Voropaev, Dmitrii Pereima, Manuel Schiller, Emma Buchanan, R. McNulty, Hongjie Mu, P. Krokovny, Lauren Douglas, Adam Davis, S. Ricciardi, Fedor Ratnikov, Ulrik Egede, Cedric Meaux, M. Lucio Martinez, Stephan Eisenhardt, B. D. C. Westhenry, Sandro Cadeddu, L. Shekhtman, Maciej Pawel Szymanski, Jiangqiao Hu, Maxime Schubiger, Christoph Frei, Igor Skiba, Eduardo Rodrigues, Marianna Fontana, Alexandra Paige Rollings, John Leslie Cobbledick, John Back, G. Simi, G. Passaleva, Svende Braun, Paul Seyfert, Xixin Liang, Matthieu Kecke, D. Hill, Victor Renaudin, P. Alvarez Cartelle, Michal Dziewiecki, Ignacio Bediaga, Desmond Mzamo Shangase, Christopher Burr, Wojciech Krupa, T. Ruf, Y. Li, A. Lai, Andrea Mauri, Simon Stemmle, Wenbin Qian, Joseph David Shupperd, D. Melnychuk, X. J. Zhou, S. Farry, J. M. Otalora Goicochea, Piera Muzzetto, Hannah Louise Pullen, Wolfgang Funk, Li Xu, M. Korolev, J. He, Surapat Ek-In, Thomas Ackernley, R. Schwemmer, Tai-hua Lin, Sandra Amato, A. Bondar, D. Vom Bruch, Salvatore Aiola, Philip Ilten, C. Satriano, S. Playfer, Naomi Cooke, O. Steinkamp, O. De Aguiar Francisco, Adalberto Sciubba, Olli Lupton, Andrea Mogini, K. Belous, S. De Capua, Jolanta Brodzicka, Biljana Mitreska, Matthew George Chapman, G. Lanfranchi, M.-N. Minard, Jonas Rademacker, A. Contu, Victor Coco, S. Easo, G. D. Lafferty, Miroslaw Firlej, Lauren Emma Yeomans, P. Campana, Hongxi Xing, Ia. Bezshyiko, Nikolay Nikitin, A. 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Hasse, B. Schmidt, Sara Celani, M. Veltri, G. Haefeli, Kayleigh Anne Thomson, D. Campora Perez, Cameron Thomas Dean, B. Souza De Paula, Daniele Manuzzi, A. C. dos Reis, L. Calero Diaz, Yuyue Gan, Anatoly Butkevich, Ivan Belyaev, U. Marconi, A. G. Morris, Federico Cindolo, Evelina Gersabeck, Roger Forty, V. Kudryavtsev, D. R. Ward, Brij Kishor Jashal, A. Palano, Tomasz Szumlak, Adam Dendek, B. Garcia Plana, Anastasia Smetkina, Alexander Battig, Kevin Heinicke, Daniel Berninghoff, S. Filippov, Samuel Belin, Aravindhan Venkateswaran, Jia-Jia Qin, Jan-Marc Basels, A. Artamonov, Donal Murray, Kara Renee Mattioli, M. Cruz Torres, C. Gaspar, Jing Wang, Sara Elizabeth Mitchell, Andrew Crocombe, Z. Mathe, Veronika Chobanova, Valery Pugatch, Benjamin Audurier, Denis Derkach, G. Mancinelli, L. De Paula, Baasansuren Batsukh, C. Parkes, Silvia Gambetta, F. Ferreira Rodrigues, S. Gallorini, D. Martinez Santos, J. Z. Fan, Lukas Witola, Antonino Sergi, Felix Johannes Kress, Shantam Taneja, T. Boettcher, A. Brea Rodriguez, Mark Whitehead, V. Vorobyev, M. Romero Lamas, M. Ferro-Luzzi, L. L. Pappalardo, P. Camargo Magalhaes, G. Manca, O. Schneider, Yanting Fan, Natalia Polukhina, S. Tolk, Giulia Tuci, Alex Pearce, Matteo Bartolini, Pietro Albicocco, T. E. Latham, L. Kravchuk, Roman Greim, Vladimir Romanovskiy, A. Zhelezov, Luca Minzoni, Dylan Jaide White, Lucas Mcconnell, F. J. P. Soler, R. Jacobsson, Rafal Dominik Krawczyk, D. Websdale, Mark Hatch, S. C. Haines, L. M. Garcia Martin, B. Couturier, R. A. Fini, M. Xu, Claudia Bertella, Arseniy Vitkovskiy, Aleksandra Snoch, D. Wiedner, A. Romero Vidal, Daniele Marangotto, Karol Hennessy, Constantin Weisser, Miroslav Saur, Alexey Boldyrev, Iwan Thomas Smith, C. M. Costa Sobral, A. Hicheur, S. Vecchi, F. Stagni, M. De Serio, D. Lacarrere, C. L. Da Silva, Johannes Heuel, Thibaud Humair, M. McCann, Sebastian Schulte, R. I. Rabadan Trejo, L. G. Scantlebury Smead, C. Abellán Beteta, Carina Trippl, Lucia Grillo, C. Matteuzzi, A. Lusiani, M. Charles, S. Schael, A. Dzyuba, Artem Ryzhikov, Nis Meinert, Alessio Piucci, Shudong Zhang, Alison Tully, Michal Kreps, Sergey Strokov, Francesca M. Pisani, Phoebe Meredith Hamilton, Sergey Didenko, Jan Buytaert, Guillermo Loustau, A. McNab, Holger Stevens, Hang Yin, Roland Bernet, Nikolay Bondar, Sune Jakobsen, Niladribihari Sahoo, A. Tsaregorodtsev, Yasmine Amhis, Xia-Ji Liu, Frederic Machefert, Sheldon Stone, Alessandro Cardini, J. M. De Miranda, B. Jost, Hanna Malygina, Simone Bifani, T. Gys, O. Boente Garcia, Gabriela Johanna Pomery, H. Li, Ph. Ghez, J. D. Osborn, M. Morandin, M. Plo Casasus, P. Di Nezza, S. Klaver, Alexander D. Popov, Tengiz Kvaratskheliya, J. J. Saborido Silva, B. R. Gruberg Cazon, J. Marks, Antje Mödden, M. Straticiuc, H. W. Van Hecke, Ross John Hunter, Marco Clemencic, Luyan Sun, Mikkel Bjørn, F. A. Garcia Rosales, Michael Becker, Dmitry Golubkov, Tara Shears, U. Uwer, L. Silva de Oliveira, Anton Poluektov, Lorenzo Sestini, Ryan Calladine, Dominik Stefan Mitzel, Gianfranco Morello, Preema Rennee Pais, Pawel Kopciewicz, Claudio Gotti, Plamen Hristov Hopchev, E. Govorkova, Harald Viemann, Dominik Müller, V. Bocci, Patrick Mackowiak, Alexander Leflat, L. R. Madhan Mohan, Lesya Shchutska, Floris Keizer, D. Pinci, Jihyun Bhom, Mariia Poliakova, Roger Barlow, Igor Kostiuk, Blaise Delaney, Simon Baker, L. Tomassetti, E. Cogneras, Adam Szabelski, A. Ukleja, Laura Promberger, E. Dall’Occo, Antonio Pellegrino, S. A. Wotton, John Jake Lane, F. Redi, E. Polycarpo, Tatsuya Nakada, Rudolf Oldeman, Konstantin Gizdov, Wiktor Byczynski, G. Bencivenni, Alessio Sarti, M. Martinelli, M. Fiorini, S. Stracka, V. Vagnoni, E. Luppi, A. Gallas Torreira, Michele Atzeni, G. Liu, Moran Wang, P. Billoir, Ying Lu, Mark Wilkinson, Roland Waldi, Timofei Maltsev, J. Serrano, Zan Ren, Feng Jiang, Matthieu Marinangeli, S. J. Chen, Jacopo Pinzino, Wen Chao Zhang, C. Sanchez Gras, Anna Ossowska, Nathan Jurik, D. Lucchesi, M. Patel, Anastasiia Kharisova, Michael Sokoloff, Federico Lazzari, N. K. Watson, Marie Helene Schune, James Vincent Mead, Sean Benson, Emilie Bertholet, Xiao-Rui Lyu, Xiao-yan Li, Olivier Deschamps, Niklas Stefan Nolte, Alexander Baranov, Tobias Tekampe, Dawid Gerstel, Eluned Smith, I. Longstaff, Sophie Richards, Malte Hecker, Almagul Kondybayeva, D. Hynds, D. Galli, F. Martinez Vidal, Marina Artuso, W. Wislicki, Tjeerd Ketel, C. Santamarina Rios, Titus Mombächer, Thomas Grammatico, J. Fu, M. van Veghel, G. Martellotti, Petr Fedin, Andrea Valassi, Tara Nanut, W. D. Hulsbergen, Konstantinos Petridis, J. A. Rodriguez Lopez, A. Brossa Gonzalo, Matthew Kenzie, P. Gironella Gironell, Xavier Vilasis-Cardona, Lukas Gruber, and R. Le Gac
- Subjects
Physics ,Particle physics ,Large Hadron Collider ,Muon ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,General Physics and Astronomy ,Observable ,01 natural sciences ,Luminosity ,Standard Model ,Angular distribution ,0103 physical sciences ,Invariant mass ,010306 general physics - Abstract
An angular analysis of the B^{0}→K^{*0}(→K^{+}π^{-})μ^{+}μ^{-} decay is presented using a dataset corresponding to an integrated luminosity of 4.7 fb^{-1} of pp collision data collected with the LHCb experiment. The full set of CP-averaged observables are determined in bins of the invariant mass squared of the dimuon system. Contamination from decays with the K^{+}π^{-} system in an S-wave configuration is taken into account. The tension seen between the previous LHCb results and the standard model predictions persists with the new data. The precise value of the significance of this tension depends on the choice of theory nuisance parameters.
- Published
- 2020
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7. Observation of New Ξc0 Baryons Decaying to Λc+K−
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S. Vecchi, Alessio Piucci, Carmelo D'Ambrosio, Jean François Marchand, Yasmine Amhis, Gabriela Johanna Pomery, M. Morandin, Markus Frank, Alexey Boldyrev, J. J. Xu, Karlis Dreimanis, R. Calabrese, Alexander Semennikov, S. Esen, Kevin Heinicke, Kara Renee Mattioli, M. Cruz Torres, U. Uwer, Oleg Stenyakin, C. Marin Benito, Mika Vesterinen, Wojciech Kucewicz, Samuel Belin, Arseniy Vitkovskiy, P. Durante, Margarita Stepanova, I. Longstaff, F. Martinez Vidal, Marco Adinolfi, Tjeerd Ketel, Dmitry Popov, Simon Akar, A. Bay, A. Fernandez Prieto, C. A. Aidala, L. Del Buono, Emilie Bertholet, Emmy Gabriel, Xiao-Rui Lyu, Hannah Louise Pullen, M. Korolev, J. He, Surapat Ek-In, S. Easo, Miroslaw Firlej, G. Valenti, Kuzma Ivshin, Benedetto Gianluca Siddi, Jonas Rademacker, Jascha Peter Grabowski, V. Shevchenko, A. Romero Vidal, Constantin Weisser, S. Eidelman, Christopher Burr, Mick Mulder, L. Tomassetti, Marco Santimaria, R. Currie, S. Hansmann-Menzemer, H. Li, Philipp Ibis, Adam Szabelski, A. Ukleja, Antonio Pellegrino, Stephane T'Jampens, Gerd Joachim Kunde, F. Redi, A. Schopper, E. Polycarpo, Tatsuya Nakada, G. Bencivenni, Giacomo Vitali, Stephan Escher, Vlad-Mihai Placinta, Patrick Koppenburg, Yiheng Luo, Michele Atzeni, Deepanwita Dutta, G. Liu, J. Fu, Murdo Traill, C. Sanchez Mayordomo, B. T. Meadows, Moran Wang, D. Vom Bruch, G. Raven, D. Decamp, L. Garrido, A. Golutvin, Matthew Kelsey, Jordy Sebastiaan Butter, Stefano Petrucci, A. Petrolini, Lauren Emma Yeomans, M. D. Sokoloff, P. Campana, Oleksander Kot, Hongxi Xing, R. Mountain, Andrea Valassi, Paolo Carniti, Meril Reboud, Tara Nanut, F. Blanc, R. Lefèvre, Jennifer Brigitta Zonneveld, T. Lesiak, Mark Hatch, C. M. Costa Sobral, Johannes Heuel, B. D. C. Westhenry, Sebastian Schulte, Igor Kostiuk, V. V. Gligorov, Sandro Cadeddu, Jozef Tomasz Borsuk, Stephen M. Stahl, H. V. Cliff, Kenenbek Arzymatov, Federico Alessio, S. H. 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Kravchuk, Matthew George Chapman, Martina Ferrillo, Louis Henry, Emilie Maurice, Nicola Skidmore, Vasyl Dobishuk, Giovanni Passaleva, Hilbrand Steffen Kuindersma, Lucia Grillo, Zhiyu Xiang, Laurent Dufour, Kodassery Prasanth, G. Alkhazov, E. Tournefier, Stanislav Poslavskii, Plamen Hristov Hopchev, G. D. Lafferty, Julien Cogan, Alessandro Cardini, C. Matteuzzi, A. McNab, A. Brossa Gonzalo, P. Gironella Gironell, J. M. De Miranda, C. Chen, L. R. Madhan Mohan, Lesya Shchutska, J. Baptista Leite, Ying Lu, Tomasz Fiutowski, X. Cid Vidal, F. Muheim, Konrad Klimaszewski, David Gerick, John Gordon Smeaton, Anatoly Konoplyannikov, Mikhail Hushchyn, Patrick Owen, P. Collins, Y. Sun, M. Tobin, Martino Borsato, M. Xu, M. De Cian, Johannes Albrecht, J. Ruiz Vidal, Dominik Stefan Mitzel, Gianfranco Morello, Preema Rennee Pais, Pawel Kopciewicz, D. Zhang, Malcolm John, Gerwin Meier, Karol Hennessy, Roland Bernet, L. G. Scantlebury Smead, M. Gandelman, M. Rama, F. Fontanelli, Michele Veronesi, M. Charles, Claudio Gotti, Krzysztof Swientek, Dominik Müller, E. Cogneras, E. Dall’Occo, E. Golobardes, Christopher John Parkinson, M. Veltri, G. Haefeli, Tommaso Colombo, Mark Wilkinson, Roland Waldi, Franco Bedeschi, Xuhao Yuan, Kurt Rinnert, Jiayin Sun, Y. Gao, A. Alfonso Albero, E. van Herwijnen, S. Kandybei, J. A. B. Coelho, Daniel Vieira, S. Stracka, T. Kirn, R. Matev, Basem Khanji, Y. Xie, Thomas Blake, Ming Zeng, Tommaso Pajero, R. Cenci, S.-G. Chitic, Adam Benjamin Morris, Milosz Zdybal, B. Rachwal, V. Vagnoni, E. Luppi, P. Fernandez Declara, Timofei Maltsev, L. Calero Diaz, J. Serrano, H. Schindler, Marek Idzik, G. Wormser, Sara Celani, Victor Egorychev, S. A. Wotton, John Jake Lane, Georgios Chatzikonstantinidis, Yuyue Gan, Anatoly Butkevich, Sophie Katharina Kretzschmar, M. Calvo Gomez, Vladimir Chulikov, Guillaume Pietrzyk, Maciej Wojciech Dudek, G. Corti, Thomas Hadavizadeh, Dmitrii Pereima, Yawen Wang, A. Dziurda, K. De Bruyn, S. Sellam, Samuel Maddrell-Mander, R. Graciani Diaz, Claire Prouve, Neville Harnew, M. van Beuzekom, C. Vázquez Sierra, A. Büchler-Germann, Timon Schmelzer, Zan Ren, Sebastian Neubert, Scott Ely, Maria Elena Stramaglia, Feng Jiang, Matthieu Marinangeli, A. Bursche, Martin Stefan Bieker, Aravindhan Venkateswaran, Jia-Jia Qin, Andrii Usachov, Marco Pappagallo, Daniel Charles Craik, S. Ricciardi, Yuezhe Yao, Huacheng Cai, Rudolf Oldeman, Martha Hilton, F. Archilli, Fedor Ratnikov, Ilaria Neri, Valery Pugatch, S. J. Chen, Jacopo Pinzino, Wen Chao Zhang, Davide Fazzini, C. Sanchez Gras, Cynthia Nunez, E. Gushchin, Sara Elizabeth Mitchell, Andrew Crocombe, Z. Mathe, B. Malecki, Christoph Frei, Chenxi Gu, K. Carvalho Akiba, R. McNulty, Paul Seyfert, Ekaterina Trifonova, P. Krokovny, R. Nandakumar, Anna Ossowska, Nathan Jurik, D. Lucchesi, Veronika Chobanova, l. Soares Lavra, Vladimir Romanovskiy, A. Zhelezov, G. Carboni, A. Gallas Torreira, Anna Lupato, T. E. Latham, M. Pepe Altarelli, G. Punzi, Eduardo Rodrigues, D. E. Hutchcroft, Marcel Materok, Thomas Harrison, S. Monteil, Edward James Millard, Marco Gersabeck, Miroslav Saur, George Holger Lovell, R. Manera Escalero, D. Hill, J. Maratas, Gennady Panshin, Ifan Williams, A. Lusiani, Michal Dziewiecki, I. V. Gorelov, K. Müller, Giovanni Bassi, M. Poli Lener, Tai-hua Lin, Manuel Schiller, Lauren Douglas, Li Xu, M. Ramos Pernas, Vitalii Lisovskyi, T. Gys, Andrea Mogini, Sergey Didenko, Simone Bifani, Wojciech Krupa, A. A. Alves, P. Di Nezza, S. Klaver, S. Perazzini, M. Franco Sevilla, Alexey A. Petrov, Olli Lupton, S. De Capua, J. J. Saborido Silva, K. Wyllie, Fabrice Desse, Joseph David Shupperd, Ia. Bezshyiko, B. Pietrzyk, Nikolay Nikitin, Igor Skiba, A. Lai, Andrea Mauri, Wenbin Qian, Daniel Stephen Richards, D. Savrina, Philippe d'Argent, Cheryl Pappenheimer, M. Merk, S. Farry, P. E. L. Clarke, Sebastien Ponce, Kayleigh Anne Thomson, Daniele Manuzzi, A. C. dos Reis, Y. H. Zheng, C. J. G. Onderwater, Emma Buchanan, Lars Eklund, Alexander Inglessi, Hongjie Mu, Elena Graverini, Ziad Ajaltouni, M. Dorigo, Michele Piero Blago, Salvatore Aiola, Philip Ilten, Andreas Güth, Margarete Schellenberg, Peter Svihra, T. D. Nguyen, Vladislav Balagura, N. Sagidova, L. De Paula, Baasansuren Batsukh, P. Spradlin, Felix Johannes Kress, Shantam Taneja, Roberta Cardinale, Kevin Heijhoff, Lorenzo Capriotti, A. Jawahery, M. Bartolini, Razvan Daniel Moise, J. M. Yu, Christoph Langenbruch, M. Shapkin, Gianluigi Casse, Angelo Loi, B. Schmidt, Ivan Belyaev, Jan-Marc Basels, A. Artamonov, E. Jans, Brij Kishor Jashal, Srishti Bhasin, Tara Shears, L. Silva de Oliveira, Anton Poluektov, Lorenzo Sestini, D. Wiedner, E. Govorkova, Harald Viemann, Alexander Leflat, Iwan Thomas Smith, M. S. Rangel, Liupan An, R. Vazquez Gomez, A. Palano, Tomasz Szumlak, Blaise Delaney, Laura Promberger, Alessio Sarti, M. Fiorini, A. Dzyuba, Guillermo Loustau, O. Maev, Simon Nieswand, Annarita Buonaura, Valery Zhukov, Abhijit Mathad, Tomasz Skwarnicki, Sebastian Bachmann, R. Jacobsson, Rafal Dominik Krawczyk, S. Simone, V. Obraztsov, Diego Alejandro Milanes, M. Lucio Martinez, Stephan Eisenhardt, Christopher Betancourt, Thibaud Humair, A. Satta, R. I. Rabadan Trejo, Ulrik Egede, Ivan Polyakov, M. Brodski, F. Maciuc, Svende Braun, M. J. Morello, Daniel Berninghoff, C. Satriano, A. Contu, Olivier Leroy, P. Perret, Sune Jakobsen, Eliane Epple, Sergey Barsuk, Oliver Lantwin, Luca Minzoni, Dylan Jaide White, Claudia Bertella, A. Di Canto, Aleksandra Snoch, Harris Conan Bernstein, Holger Stevens, Hang Yin, O. Boente Garcia, C. Bozzi, A. Puig Navarro, François Fleuret, B. Leverington, M. Chrzaszcz, L. Giubega, A. Oyanguren, Alexander D. Popov, R. J. Barlow, Marta Calvi, Nicola Serra, Thomas N. Williams, Francesco Dettori, Andrew Beiter, U. Marconi, A. Falabella, M. Sarpis, Biagio Saitta, Ross John Hunter, Michael Becker, Serhii Koliiev, Dmitry Golubkov, Alexandra Paige Rollings, John Leslie Cobbledick, G. Simi, V. Bocci, Lucian Cojocariu, Mark Smith, Patrick Mackowiak, A. Bertolin, Aleksei Chernov, Floris Keizer, D. Pinci, Jihyun Bhom, Mariia Poliakova, Simon Baker, K. E. Kim, William Parker, F. Polci, G. Mancinelli, Conor Fitzpatrick, Antonino Sergi, T. Boettcher, A. Brea Rodriguez, D. Websdale, L. M. Garcia Martin, B. Couturier, R. A. Fini, C. Abellán Beteta, Jakub Ryzka, Robert Hart, Timothy Evans, M. Vieites Diaz, S. Schael, Niladribihari Sahoo, A. Tsaregorodtsev, Lucio Anderlini, Ina Carli, Xiaofeng Zhu, C. Remon Alepuz, A. Papanestis, Xia-Ji Liu, Frederic Machefert, Sheldon Stone, A. Grecu, Andrey Ustyuzhanin, J. J. Back, Bernardo Adeva, Marianna Fontana, Davide Brundu, Colm Harold Murphy, Patrick Robbe, Quentin Fuehring, Phillip John Marshall, Arnaud Robert, C. Patrignani, Wojciech Krzemien, Evelina Gersabeck, Markus Roehrken, V. Tisserand, M. Andreotti, Benjamin Audurier, Denis Derkach, F. Ferreira Rodrigues, Giulia Tuci, Tatiana Ovsiannikova, Ph. Charpentier, Arthur Marius Hennequin, S. Ogilvy, Alexander Malinin, Heather Mckenzie Wark, A. B. Rodrigues, P. Naik, David Anthony Friday, Stefano Cali, George Coombs, F. F. Wilson, Mauricio Féo, A. Gomes, Federico Betti, L. A. Granado Cardoso, Maria Flavia Cicala, Petr Andreevich Gorbounov, A. Casais Vidal, L. Meyer Garcia, Pietro Marino, M. Schmelling, Dong Xiao, B. Quintana, Yu. Guz, Jonathan Plews, P. De Simone, E. Santovetti, Tatiana Gaintseva, B. Spaan, J. Closier, A. Massafferri, John Matthew Durham, Biplab Dey, Serena Maccolini, Roel Aaij, Vadym Denysenko, Alexsei Chubykin, J. H. Lopes, Zhipeng Tang, Andrea Merli, Jacopo Cerasoli, Dmitrii Maisuzenko, Hans Dijkstra, Wenhua Hu, Y. Zhang, S. Blusk, Maxim Borisyak, H. F. Schreiner, Saverio Mariani, Z. Xu, Vukan Jevtic, O. V. Mineev, Alessandro Camboni, K. M. Fischer, Fedor Baryshnikov, C. Gaspar, Jing Wang, D. Torres Machado, Alex Pearce, Chung Nguyen-Mau, Daniele Marangotto, Gregory Ciezarek, Alessandro Pastore, Zhenzi Wang, Veronica Soelund Kirsebom, Artem Ryzhikov, Nis Meinert, Shudong Zhang, Alison Tully, Jeremy Dalseno, Michal Kreps, Sergey Strokov, B. Jost, Giovanni Cavallero, Stefano Zucchelli, Hanna Malygina, P. Griffith, C. Haen, Artem Maevskiy, C. B. Van Hulse, Paolo Ciambrone, V. Chekalina, Oleg Yushchenko, J. V. Viana Barbosa, M. J. Bradley, H. W. Van Hecke, Marco Clemencic, Zishuo Yang, M. Palutan, Luyan Sun, Mikkel Bjørn, F. A. Garcia Rosales, Mark Slater, Mikhail Mikhasenko, Andrea Bizzeti, M. O. Bettler, Vladislav Belavin, Varvara Batozskaya, Dana Bobulska, L. Shekhtman, Maciej Pawel Szymanski, Jiangqiao Hu, Xixin Liang, Victor Coco, Zhuoming Li, W. Huang, M. Mukherjee, D. Campora Perez, V. Kudryavtsev, D. R. Ward, Donal Murray, and S. Tolk
- Subjects
Quantum chromodynamics ,Physics ,Quark model ,Strong interaction ,General Physics and Astronomy ,State (functional analysis) ,01 natural sciences ,Luminosity ,Baryon ,Crystallography ,0103 physical sciences ,Mass spectrum ,010306 general physics ,Energy (signal processing) - Abstract
The Λ_{c}^{+}K^{-} mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb^{-1} collected by the LHCb experiment. Three Ξ_{c}^{0} states are observed with a large significance and their masses and natural widths are measured to be m[Ξ_{c}(2923)^{0}]=2923.04±0.25±0.20±0.14 MeV, Γ[Ξ_{c}(2923)^{0}]=7.1±0.8±1.8 MeV, m[Ξ_{c}(2939)^{0}]=2938.55±0.21±0.17±0.14 MeV, Γ[Ξ_{c}(2939)^{0}]=10.2±0.8±1.1 MeV, m[Ξ_{c}(2965)^{0}]=2964.88±0.26±0.14±0.14 MeV, Γ[Ξ_{c}(2965)^{0}]=14.1±0.9±1.3 MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Λ_{c}^{+} mass. The Ξ_{c}(2923)^{0} and Ξ_{c}(2939)^{0} baryons are new states. The Ξ_{c}(2965)^{0} state is in the vicinity of the known Ξ_{c}(2970)^{0} baryon; however, their masses and natural widths differ significantly.
- Published
- 2020
- Full Text
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8. Large Isospin Asymmetry in ^{22}Si/^{22}O Mirror Gamow-Teller Transitions Reveals the Halo Structure of ^{22}Al
- Author
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J, Lee, X X, Xu, K, Kaneko, Y, Sun, C J, Lin, L J, Sun, P F, Liang, Z H, Li, J, Li, H Y, Wu, D Q, Fang, J S, Wang, Y Y, Yang, C X, Yuan, Y H, Lam, Y T, Wang, K, Wang, J G, Wang, J B, Ma, J J, Liu, P J, Li, Q Q, Zhao, L, Yang, N R, Ma, D X, Wang, F P, Zhong, S H, Zhong, F, Yang, H M, Jia, P W, Wen, M, Pan, H L, Zang, X, Wang, C G, Wu, D W, Luo, H W, Wang, C, Li, C Z, Shi, M W, Nie, X F, Li, H, Li, P, Ma, Q, Hu, G Z, Shi, S L, Jin, M R, Huang, Z, Bai, Y J, Zhou, W H, Ma, F F, Duan, S Y, Jin, Q R, Gao, X H, Zhou, Z G, Hu, M, Wang, M L, Liu, R F, Chen, and X W, Ma
- Abstract
β-delayed one-proton emissions of ^{22}Si, the lightest nucleus with an isospin projection T_{z}=-3, are studied with a silicon array surrounded by high-purity germanium detectors. Properties of β-decay branches and the reduced transition probabilities for the transitions to the low-lying states of ^{22}Al are determined. Compared to the mirror β decay of ^{22}O, the largest value of mirror asymmetry in low-lying states by far, with δ=209(96), is found in the transition to the first 1^{+} excited state. Shell-model calculation with isospin-nonconserving forces, including the T=1, J=2, 3 interaction related to the s_{1/2} orbit that introduces explicitly the isospin-symmetry breaking force and describes the loosely bound nature of the wave functions of the s_{1/2} orbit, can reproduce the observed data well and consistently explain the observation that a large δ value occurs for the first but not for the second 1^{+} excited state of ^{22}Al. Our results, while supporting the proton-halo structure in ^{22}Al, might provide another means to identify halo nuclei.
- Published
- 2020
9. First Observation of Excited Ωb− States
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William Barter, Martina Pili, Jaap Velthuis, Tara Shears, Vitaly Vorobyev, Anton Poluektov, Lorenzo Sestini, Thomas Grammatico, L. Ferreira Lopes, A. Valassi, Stephanie Hansmann-Menzemer, Anita Nandi, Alexander Leflat, Lavinia-Helena Giubega, D. Martinez Santos, Mika Vesterinen, Suzanne Klaver, Blaise Delaney, Laura Promberger, Petr Fedin, Sneha Malde, Christopher Jones, Naylya Sagidova, F. J. P. Soler, M. Romero Lamas, Florian Reiss, P. Camargo Magalhaes, Alessio Sarti, A. Robert, Donatella Lucchesi, A. Usachov, Dmitry Popov, V. Pugatch, Stephane T'Jampens, Gaia Lanfranchi, Vasily Kudryavtsev, Paolo Durante, Dongliang Zhang, Abhijit Mathad, Tomasz Skwarnicki, Guido Haefeli, Giacomo Graziani, G. Cavallero, Louis Henry, Simon Akar, Hilbrand Steffen Kuindersma, Cheryl Pappenheimer, Sebastian Bachmann, Margarita Stepanova, P. Collins, Marco Adinolfi, Adlène Hicheur, E. Ben-Haim, Mauro Morandin, Zhiyu Xiang, M. Cruz Torres, C. L. Da Silva, A. Bay, Mikhail Shapkin, M. Calvo Gomez, D. Melnychuk, Beat Jost, Ignacio Bediaga, Desmond Mzamo Shangase, Tomasz Fiutowski, Qingnian Xu, John Gordon Smeaton, Y. Sun, Alexander Inyakin, Lluis Garrido, Gerwin Meier, Carina Trippl, Lucia Grillo, Daniel Berninghoff, Vincenzo Vagnoni, Giovanni Carboni, Jörg Marks, A. Heister, Dylan Jaide White, Claudia Bertella, Yiheng Luo, Aleksandra Snoch, Lev Shekhtman, O. Boente Garcia, A. Vorobyev, Deepanwita Dutta, Lars Eklund, A. Brossa Gonzalo, P. Gironella Gironell, C. J. G. Onderwater, Alexander Inglessi, Elena Graverini, Stefano Petrucci, S. De Capua, Kenenbek Arzymatov, P. Mackowiak, Vladimir Shevchenko, S. C. Haines, Mariusz Witek, Chenxi Gu, Claire Prouve, Ivan Belyaev, J. Buytaert, Neville Harnew, R. Kopecna, M. Lucio Martinez, G. Raven, Alexander Bondar, M. Franco Sevilla, Joseph David Shupperd, J. A. Rodriguez Lopez, Hans Dembinski, Marcello Rotondo, Mauricio Féo, Xianglei Zhu, L. Calero Diaz, Yuyue Gan, Roland Bernet, Michele Veltri, Massimiliano Ferro-Luzzi, John Back, S. Tolk, D. Gerick, L. A. Granado Cardoso, Jinlin Fu, Vanessa Müller, J. Sun, Ziad Ajaltouni, D. Marangotto, N. Serra, Darya Savrina, S. Meloni, M. McCann, Andreas Schopper, Wojciech Kucewicz, S. Coquereau, Ifan Williams, Ryan Newcombe, Anastasiia Kharisova, Michael Sokoloff, Federico Lazzari, Davide Fazzini, V. Macko, Vladislav Balagura, Plamen Hristov Hopchev, Regis Lefèvre, Evgenii Shmanin, Daniel Decamp, L. R. Madhan Mohan, M. Xu, T. Mombächer, Christopher Burr, J. J. Saborido Silva, D. Vom Bruch, A. Artamonov, W. Parker, l. Soares Lavra, A. Venkateswaran, L. Silva de Oliveira, Alessio Piucci, E. Santovetti, Yasmine Amhis, Valerie Gibson, T. Schmelzer, Sergii Kandybei, Sergey Didenko, V. Bocci, Simone Bifani, Stephen Wotton, R. Calabrese, Andreas Weiden, M. Ramos Pernas, Christophe Haen, Michele Piero Blago, Boleslaw Pietrzyk, Lesya Shchutska, Thomas E. Harrison, A. Chubykin, P. Spradlin, Kevin Heijhoff, Lorenzo Capriotti, Lucio Anderlini, Carmen Giugliano, Silvia Borghi, Anna Lupato, Shantam Taneja, Luca Pescatore, M. W. Majewski, Miriam Gandelman, S. Monteil, A. Merli, Marie-Noelle Minard, Clara Gaspar, Alexey Boldyrev, C. A. Aidala, Marie Helene Schune, Davide Lancierini, Marcel Materok, Pietro Marino, Naomi Cooke, Adam Davis, Anna Danilina, G. Chatzikonstantinidis, D. Tonelli, L. M. Garcia Martin, Marco Santimaria, George Holger Lovell, Pavel Krokovny, A. Trisovic, Qundong Han, R. Manera Escalero, A. Carbone, Dong Xiao, Alberto Lusiani, S. Koliiev, U. Uwer, C. Marin Benito, J. P. Grabowski, Harry Cliff, Daniel Patrick O'Hanlon, John Jake Lane, M. Pepe Altarelli, M. Hecker, Manuel Schiller, Nigel Watson, R. Le Gac, Peter Svihra, E. Grauges, Michael Schmelling, Paul Andre Günther, Marcin Chrzaszcz, S. Ferreres Sole, S. G. Chitic, Joel Closier, Emma Buchanan, Hongjie Mu, Wander Baldini, Victor Renaudin, Iain Longstaff, Vitalii Lisovskyi, A. Jawahery, Antonio Falabella, Gerd Joachim Kunde, V. Volkov, Emilie Bertholet, J. M. Otalora Goicochea, P. De Simone, Preema Rennee Pais, Artur Ukleja, N. Polukhina, Joao A B Coelho, M. Vieites Diaz, Kuzma Ivshin, Massimiliano Fiorini, Evgeny Gushchin, T. H. Hancock, Johannes Heuel, A. A. Alves, Jan Maratas, Loris Martinazzoli, Biplab Dey, Serena Maccolini, S. Kotriakhova, Sebastian Schulte, Oliver Lupton, Jose Lopes, Wojciech Krupa, Clara Matteuzzi, Surapat Ek-In, Yang Li, J. J. Walsh, Oleksander Kot, Miroslaw Firlej, Matteo Palutan, Jonas Rademacker, Christopher Parkes, Adam Szabelski, Ao Xu, Jozef Tomasz Borsuk, C. Hasse, Elisabeth Maria Niel, Katharina Müller, Stephen M. Stahl, N. Meinert, Jie Yu, K. Carvalho Akiba, Fergus Wilson, Wojciech Krzemien, Yangheng Zheng, Sandra Amato, Petr Andreevich Gorbounov, M. Schellenberg, K. De Bruyn, Nikolay Bondar, A. Gallas Torreira, Niko Neufeld, F. Blanc, S. Ponce, A. G. Morris, Lauren Emma Yeomans, M. Marinangeli, A. C. dos Reis, Hongxi Xing, C. Meaux, Paolo Carniti, Igor Skiba, Z. Yang, Samuel Belin, Arseniy Vitkovskiy, Stefania Ricciardi, J. Serrano, Antonio Pellegrino, A. Pastore, T. Lesiak, B. Garcia Plana, Yuehong Xie, Anastasia Smetkina, K. Petridis, Ana Barbara Rodrigues, Michele Veronesi, X. Cid Vidal, M. Zeng, Julien Cogan, Wenbin Qian, M. Brodski, C. Remon Alepuz, U. Marconi, A. Vagner, J. D. Osborn, Eliane Epple, Wenqian Huang, S. Nieswand, Jordy Sebastiaan Butter, J. Z. Fan, D. Wiedner, Iwan Thomas Smith, Tengiz Kvaratskheliya, Alexander Berezhnoy, B. R. Gruberg Cazon, Alexey Dzyuba, Antje Mödden, D. Maisuzenko, Thomas Ruf, Thomas Boettcher, H. F. Schreiner, Silvia Gambetta, Xiaoxue Han, H. Li, Murilo Rangel, G. J. Pomery, Tatsuya Nakada, Olaf Steinkamp, G. Bencivenni, A. Fernandez Prieto, Mark Whitehead, Lucas Mcconnell, Semen Eidelman, Marcin Kucharczyk, Maximilien Chefdeville, Oleg Maev, Razvan Daniel Moise, Victor Egorychev, Dawid Gerstel, Francesco Polci, W. Funk, Giovanni Passaleva, Alexandru Ene, E. Gabriel, Guillermo Loustau, O. Schneider, Rudolf Oldeman, W. Hu, Michele Atzeni, Pascal Perret, E. Spadaro Norella, Y. Yao, Federico Cindolo, Florin Maciuc, Roger Forty, Marco Petruzzo, Liupan An, D. Torres Machado, G. Morello, O. De Aguiar Francisco, Zhenzi Wang, Veronica Soelund Kirsebom, Lennaert Bel, S. Poslavskii, G. Alkhazov, A. Dendek, M. J. Tilley, Konrad Klimaszewski, Matteo Bartolini, Cameron Thomas Dean, R. Vazquez Gomez, Sean Benson, Daniel Vieira, Alexander Battig, Wojciech Wislicki, Mikhail Hushchyn, Igor Kostiuk, E. Millard, J. Lomba Castro, G. Liu, Li Xu, Olivier Göran Girard, Anatoly Konoplyannikov, Tommaso Pajero, M. Fuehring, S. Zucchelli, L. Sun, Andrey Ustyuzhanin, Gabriele Simi, Lukas Witola, Matthew Needham, Marian Stahl, M. Vernet, Marcelo Soares, L. De Paula, H. Dijkstra, Karol Hennessy, Roman Greim, A. Loi, M. De Serio, Celestina Satriano, Sophie Richards, Naomi Veronika Raab, Jana Crkovská, Eduardo Rodrigues, S. 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Playfer, Nicola Skidmore, Leonid Kravchuk, Vasyl Dobishuk, Themistocles Bowcock, Franz Muheim, E. Tournefier, M. Plo Casasus, J. Ruiz Vidal, V. Franco Lima, Davide Brundu, Alison Tully, Michal Kreps, Sergey Strokov, V. Chobanova, C. Chen, Milosz Zdybal, Colm Harold Murphy, K. Heinicke, Jibo He, Lukas Gruber, Yixiong Zhou, Stefania Vecchi, Hanna Malygina, Thomas Latham, Nathanael Farley, C. Weisser, C. Patrignani, A. Ossowska, J. Arnau Romeu, Johannes Albrecht, Malcolm John, F. Bedeschi, B. Souza De Paula, Matthias Karacson, Markus Roehrken, V. Tisserand, H. W. Van Hecke, Marco Clemencic, Christoph Langenbruch, Benjamin Couturier, Mikkel Bjørn, F. A. Garcia Rosales, Gianluigi Casse, Srishti Bhasin, Diego Alejandro Milanes, M. Andreotti, J. A. de Vries, Sergey Barsuk, M. Reboud, Oliver Lantwin, K. Gizdov, A. Sergi, François Fleuret, J. García Pardiñas, Thomas N. Williams, Francesco Dettori, D. H. Campora Perez, Biagio Saitta, H. Yin, Mihai Straticiuc, J. V. Mead, and John Leslie Cobbledick
- Subjects
Physics ,Quantum chromodynamics ,Crystallography ,Excited state ,0103 physical sciences ,Quark model ,Mass spectrum ,Zero (complex analysis) ,General Physics and Astronomy ,010306 general physics ,01 natural sciences ,Luminosity - Abstract
We report four narrow peaks in the Ξ_{b}^{0}K^{-} mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb^{-1} recorded by the LHCb experiment. Referring to these states by their mass, the mass values are m[Ω_{b}(6316)^{-}]=6315.64±0.31±0.07±0.50 MeV, m[Ω_{b}(6330)^{-}]=6330.30±0.28±0.07±0.50 MeV, m[Ω_{b}(6340)^{-}]=6339.71±0.26±0.05±0.50 MeV, m[Ω_{b}(6350)^{-}]=6349.88±0.35±0.05±0.50 MeV, where the uncertainties are statistical, systematic, and the last is due to the knowledge of the Ξ_{b}^{0} mass. The natural widths of the three lower mass states are consistent with zero, and the 90% confidence-level upper limits are determined to be Γ[Ω_{b}(6316)^{-}]
- Published
- 2020
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10. Observation of New Resonances in the Λb0π+π− System
- Author
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Tobin, S.-G. Chitic, Adam Benjamin Morris, Georgios Chatzikonstantinidis, Samuel Maddrell-Mander, S. Ferreres Sole, A. G. Morris, Mikkel Bjørn, F. A. Garcia Rosales, O. Steinkamp, V. Gibson, S. Meloni, E. Dall'Occo, Krzysztof Swientek, Silvia Gambetta, L. De Paula, Baasansuren Batsukh, Franco Bedeschi, A. Vollhardt, A. Bursche, Christopher Parkes, G. D. Lafferty, S. Ricciardi, Felix Johannes Kress, Federica Lionetto, Shantam Taneja, Moritz Demmer, Kristian Alexander Zarebski, Michael Alexander, P. Fernandez Declara, K. De Bruyn, S. Sellam, Thomas Henry Hancock, E. Spadaro Norella, Christoph Frei, Federico Cindolo, Roger Forty, Timon Schmelzer, T. Ruf, Y. Li, Alexander Battig, Roman Greim, S. Roiser, F. Stagni, Giulio Dujany, Phoebe Meredith Hamilton, Jan Buytaert, G. Lanfranchi, M.-N. Minard, A. Vorobyev, F. Dordei, M. Plo Casasus, Ryan Calladine, Plamen Hristov Hopchev, Floris Keizer, L. R. Madhan Mohan, E. Cogneras, Giovanni Passaleva, S. A. Wotton, John Jake Lane, Rudolf Oldeman, Oliver Lupton, A. Gallas Torreira, Simon Nieswand, Annarita Buonaura, Valery Zhukov, S. Simone, Christopher Betancourt, A. Satta, J. A. de Vries, C. Satriano, A. Contu, Olivier Leroy, B. Schmidt, Ivan Belyaev, A. Artamonov, M. Boubdir, D. Wiedner, Iwan Thomas Smith, A. Dzyuba, Guillermo Loustau, A. Di Canto, Tara Shears, L. Silva de Oliveira, Anton Poluektov, Lorenzo Sestini, Anita Nandi, E. Govorkova, Harald Viemann, Blaise Delaney, Laura Promberger, Alessio Sarti, M. Fiorini, P. d'Argent, C. Bozzi, Daniel Berninghoff, A. Heister, A. Puig Navarro, Luca Minzoni, Dylan Jaide White, Y. Wang, C. Haen, Holger Stevens, Hang Yin, Giulio Gazzoni, O. Boente Garcia, Artem Maevskiy, C. B. Van Hulse, Achille Stocchi, Alexander D. Popov, V. Chekalina, Oleg Yushchenko, O. Maev, R. J. Barlow, Abhijit Mathad, Marta Calvi, Tomasz Skwarnicki, Sebastian Bachmann, P. Santangelo, V. Obraztsov, J. V. Viana Barbosa, M. Lucio Martinez, Stephan Eisenhardt, Ivan Polyakov, F. Maciuc, Zishuo Yang, M. Palutan, M. O. Bettler, Gianni Penso, Dana Bobulska, P. Naik, Mauricio Féo, M. Vieites Diaz, Lucio Anderlini, Pietro Marino, M. Schmelling, Xiaofeng Zhu, C. Remon Alepuz, A. Papanestis, A. Grecu, Andrey Ustyuzhanin, J. J. Back, Bernardo Adeva, Dong Xiao, Ph. Charpentier, Alexander Malinin, Janine Müller, Thomas N. Williams, Francesco Dettori, A. B. Rodrigues, A. Falabella, Biagio Saitta, Serhii Koliiev, Alexandra Paige Rollings, John Leslie Cobbledick, G. Simi, Lucian Cojocariu, Mark Smith, A. Bertolin, Aleksei Chernov, Biplab Dey, Serena Maccolini, K. E. Kim, William Parker, F. Polci, Vitalii Lisovskyi, David Anthony Friday, Jakub Ryzka, Robert Hart, Timothy Evans, Davide Brundu, Colm Harold Murphy, Arnaud Robert, Stefano Cali, George Coombs, C. Patrignani, Markus Roehrken, V. Tisserand, M. Andreotti, Alexsei Chubykin, Marianna Fontana, Patrick Robbe, M. Brodski, Phillip John Marshall, Wojciech Krzemien, Evelina Gersabeck, Benjamin Audurier, Denis Derkach, F. Ferreira Rodrigues, H. F. Schreiner, Nicola Serra, Andrew Beiter, U. Marconi, Balazs Voneki, G. Mancinelli, Antonino Sergi, T. Boettcher, Alessandro Pastore, Zhenzi Wang, Veronica Soelund Kirsebom, A. Brea Rodriguez, D. Websdale, L. M. Garcia Martin, B. Couturier, R. A. Fini, C. Abellán Beteta, S. Schael, A. Tsaregorodtsev, Xia-Ji Liu, Frederic Machefert, Sheldon Stone, C. Hadjivasiliou, Ross John Hunter, Michael Becker, Dmitry Golubkov, Stefano Zucchelli, V. Bocci, Patrick Mackowiak, D. Pinci, Jihyun Bhom, Mariia Poliakova, Simon Baker, William Barter, and Martina Pili
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Baryon ,Nuclear physics ,Physics ,Superposition principle ,Excited state ,0103 physical sciences ,Degenerate energy levels ,Spectrum (functional analysis) ,General Physics and Astronomy ,010306 general physics ,01 natural sciences ,Luminosity ,Interpretation (model theory) - Abstract
We report the observation of a new structure in the Λb0π+π- spectrum using the full LHCb data set of pp collisions, corresponding to an integrated luminosity of 9 fb-1, collected at s=7, 8, and 13 TeV. A study of the structure suggests its interpretation as a superposition of two almost degenerate narrow states. The masses and widths of these states are measured to be mΛb(6146)0=6146.17±0.33±0.22±0.16 MeV,mΛb(6152)0=6152.51±0.26±0.22±0.16 MeV,ΓΛb(6146)0=2.9±1.3±0.3 MeV,ΓΛb(6152)0=2.1±0.8±0.3 MeV,with a mass splitting of Δm=6.34±0.32±0.02 MeV, where the first uncertainty is statistical, the second systematic. The third uncertainty for the mass measurements derives from the knowledge of the mass of the Λb0 baryon. The measured masses and widths of these new excited states suggest their possible interpretation as a doublet of Λb(1D)0 states.
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- 2019
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11. Spin Resonance Clock Transition of the Endohedral Fullerene N15@C60
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Arzhang Ardavan, Edward A. Laird, Kyriakos Porfyrakis, Reuben Harding, G. A. D. Briggs, Shen Zhou, J. Zhou, William K. Myers, and Thomas Lindvall
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Physics ,Field (physics) ,General Physics and Astronomy ,Resonance ,02 engineering and technology ,021001 nanoscience & nanotechnology ,01 natural sciences ,Atomic clock ,3. Good health ,law.invention ,Magnetic field ,Computer Science::Hardware Architecture ,Laser linewidth ,Nuclear magnetic resonance ,law ,0103 physical sciences ,Physics::Atomic and Molecular Clusters ,Endohedral fullerene ,Atomic physics ,010306 general physics ,0210 nano-technology ,Electron paramagnetic resonance ,Spin (physics) - Abstract
The endohedral fullerene 15N@C60 has narrow electron paramagnetic resonance lines which have been proposed as the basis for a condensed-matter portable atomic clock. We measure the low-frequency spectrum of this molecule, identifying and characterizing a clock transition at which the frequency becomes insensitive to magnetic field. We infer a linewidth at the clock field of 100 kHz. Using experimental data, we are able to place a bound on the clock’s projected frequency stability. We discuss ways to improve the frequency stability to be competitive with existing miniature clocks.
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- 2017
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12. Spin Resonance Clock Transition of the Endohedral Fullerene ^{15}N@C_{60}
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R T, Harding, S, Zhou, J, Zhou, T, Lindvall, W K, Myers, A, Ardavan, G A D, Briggs, K, Porfyrakis, and E A, Laird
- Abstract
The endohedral fullerene ^{15}N@C_{60} has narrow electron paramagnetic resonance lines which have been proposed as the basis for a condensed-matter portable atomic clock. We measure the low-frequency spectrum of this molecule, identifying and characterizing a clock transition at which the frequency becomes insensitive to magnetic field. We infer a linewidth at the clock field of 100 kHz. Using experimental data, we are able to place a bound on the clock's projected frequency stability. We discuss ways to improve the frequency stability to be competitive with existing miniature clocks.
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- 2017
13. Dynamical Stability Limit for the Charge Density Wave in K0.3MoO3
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Srivats Rajasekaran, Roberto Merlin, Daixiang Mou, Roman Mankowsky, Haiyun Liu, Biaolong Liu, Andrea Cavalleri, X. J. Zhou, and Michael Först
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Physics ,Condensed matter physics ,General Physics and Astronomy ,Charge density ,02 engineering and technology ,Crystal structure ,021001 nanoscience & nanotechnology ,01 natural sciences ,Fluence ,Lattice (order) ,0103 physical sciences ,Femtosecond ,Quasiparticle ,010306 general physics ,0210 nano-technology ,Charge density wave ,Excitation - Abstract
We study the response of the one-dimensional charge density wave in K_{0.3}MoO_{3} to different types of excitation with femtosecond optical pulses. We compare direct excitation of the lattice at midinfrared frequencies with injection of quasiparticles across the low energy charge density wave gap and with charge transfer excitation in the near infrared. For all three cases, we observe a fluence threshold above which the amplitude-mode oscillation frequency is softened and the mode becomes increasingly damped. We show that all the data can be collapsed onto a universal curve in which the melting of the charge density wave occurs abruptly at a critical lattice excursion. These data highlight the existence of a universal stability limit for a charge density wave, reminiscent of the Lindemann criterion for the melting of a crystal lattice.
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- 2017
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14. Dynamical Stability Limit for the Charge Density Wave in K_{0.3}MoO_{3}
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R, Mankowsky, B, Liu, S, Rajasekaran, H Y, Liu, D, Mou, X J, Zhou, R, Merlin, M, Först, and A, Cavalleri
- Abstract
We study the response of the one-dimensional charge density wave in K_{0.3}MoO_{3} to different types of excitation with femtosecond optical pulses. We compare direct excitation of the lattice at midinfrared frequencies with injection of quasiparticles across the low energy charge density wave gap and with charge transfer excitation in the near infrared. For all three cases, we observe a fluence threshold above which the amplitude-mode oscillation frequency is softened and the mode becomes increasingly damped. We show that all the data can be collapsed onto a universal curve in which the melting of the charge density wave occurs abruptly at a critical lattice excursion. These data highlight the existence of a universal stability limit for a charge density wave, reminiscent of the Lindemann criterion for the melting of a crystal lattice.
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- 2016
15. First Observation of the DecaysB0→D*−pp¯π+andB0→D*−pn¯
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K. K. Gan, S.C. Timm, G. C. Moneti, E. Dambasuren, Vivek Sharma, A. Smith, Frank Würthwein, L. K. Gibbons, V. V. Frolov, G. Viehhauser, C.Y. Prescott, N. B. Mistry, C. J. Stepaniak, Jing Wang, G. Majumder, J. Kandaswamy, M.A. Palmer, B. H. Behrens, D. H. Miller, R. Ammar, F. Blanc, G. E. Gladding, D. Peterson, G. P. Chen, R. A. Briere, L. Jian, R. Poling, V. Pavlunin, I. C. Lai, R. Davis, K. W. McLean, Z. Xu, Sz Márka, Jianqiao Ye, P. Gaidarev, L. P. Perera, A. Wolf, Shuai Chen, A. Anastassov, T. O. Meyer, S. P. Pappas, C. Bebek, P. S. Drell, T. S. Hill, E. Eckhart, L. Ling, R. Ehrlich, A. Undrus, A. Ershov, M. A. Marsh, R. Baker, A. Shapiro, Marina Artuso, J. W. Hinson, K. M. Ecklund, A. L. Lyon, T. Wlodek, G. J. Zhou, H. Marsiske, G. Masek, S. E. Csorna, A. D. Foland, V. Fadeyev, J. Fast, H. Yamamoto, H. Schwarthoff, J. Ernst, V. Savinov, D. Z. Besson, J. L. Rodriguez, Sheldon Stone, Paul Avery, Sacha E Kopp, M. S. Alam, S. Schrenk, J. G. Smith, C. P. Jessop, J. Roy, W. M. Sun, Ryszard Stroynowski, Juliet Ritchie Patterson, Y. Li, Karl Berkelman, M. Saleem, B. Valant-Spaight, S. B. Athar, K. W. Edwards, J. Williams, D. Urner, E. I. Shibata, R. M. Hans, K. Honscheid, S. Prell, T. Hart, X. Zhao, Yurii Maravin, Daniel P Cronin-Hennessy, X. J. Zhou, B. K. Heltsley, K. Kinoshita, G. W. Brandenburg, T. Riehle, E. von Toerne, E. Lipeles, S. J. Lee, J. E. Duboscq, J. J. O'Neill, Horst Severini, D. Cinabro, E. Johnson, G. D. Gollin, Andreas Warburton, K. Bukin, S. W. Gray, S. Karamov, T. Bergfeld, H. P. Paar, D. L. Kreinick, B. Gittelman, R. Ayad, N. Kwak, E. M. Potter, P. I. Hopman, D. G. Cassel, I. Narsky, J. J. Thaler, Y. S. Gao, C. Boulahouache, M. M. Zoeller, C. Sedlack, E. Nordberg, S. McGee, T. E. Coan, A. H. Mahmood, W. T. Ford, A. I. Rubiera, R. D. Kass, A. J. Weinstein, Tomasz Skwarnicki, Jiejun Wu, P. Skubic, S. J. Richichi, R. Janicek, D. E. Jaffe, D. Hufnagel, I. Karliner, S. Schuh, B. I. Eisenstein, Alice Bean, Jason Sang Hun Lee, R. Godang, V. Boisvert, A. Eppich, M. Schmidtler, R. Mountain, E. H. Thorndike, G. Bonvicini, J. P. Alexander, I. Danko, M. Dickson, T. K. Pedlar, I. P.J. Shipsey, H. Kagan, D. Y.J. Kim, R. J. Morrison, Mats A Selen, A. J. Sadoff, S. Ahmed, D. L. Hartill, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, D. M. Asner, C. D. Jones, C. Gwon, M. Lohner, J. B. Thayer, P. M. Patel, J. G. Thayer, B. E. Berger, John Yelton, R. Mahapatra, Richard Wilson, A. Gritsan, T. E. Browder, D. Riley, M. L. Perl, Yuichi Kubota, J. Urheim, and J. Zheng
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Physics ,Annihilation ,Electromagnetic calorimeter ,010308 nuclear & particles physics ,0103 physical sciences ,Analytical chemistry ,General Physics and Astronomy ,Cornell Electron Storage Ring ,Atomic physics ,010306 general physics ,Nucleon ,01 natural sciences - Abstract
We report the first observation of exclusive decays of the type B-->D(*)N_NX, where N is a nucleon. Using a sample of 9.7x10(6)B_B pairs collected with the CLEO detector operating at the Cornell Electron Storage Ring, we measure the branching fractions B(B0-->D(*-)p_p pi(+)) = (6.5(+1.3)(-1.2)+/-1.0)x10(-4) and B(B0-->D(*-)p_n) = (14.5(+3.4)(-3.0)+/-2.7)x10(-4). Antineutrons are identified by their annihilation in the CsI electromagnetic calorimeter.
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- 2001
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16. Measurement of the Relative Branching Fraction ofϒ(4S)to Charged and NeutralB-Meson Pairs
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L. K. Gibbons, V. V. Frolov, I. Narsky, D. Riley, R. M. Hans, A. H. Mahmood, R. Ammar, W. T. Ford, A. I. Rubiera, R. D. Kass, T. O. Meyer, I. C. Lai, C. Sedlack, S.C. Timm, M. A. Marsh, X. Zhao, F. Blanc, H. P. Paar, I. Danko, Andreas Warburton, T. Hart, P. G. Thies, K. Honscheid, G. E. Gladding, J. J. Thaler, M. L. Perl, M. Dickson, T. K. Pedlar, L. P. Perera, Y. Kwon, V. Savinov, Jiejun Wu, E. I. Shibata, P. Skubic, Yuichi Kubota, J. Roy, W. M. Sun, Sheldon Stone, D. Z. Besson, L. Jian, Y. S. Gao, Paul Avery, J. E. Duboscq, D. L. Hartill, K. M. Ecklund, Ryszard Stroynowski, D. E. Jaffe, T. Riehle, E. Nordberg, C. Plager, N. Kwak, S. Anderson, A. L. Lyon, E. H. Thorndike, J. Zheng, T. E. Coan, Shuai Chen, A. Anastassov, R. Baker, D. Ugolini, Yurii Maravin, K. K. Gan, A. J. Weinstein, Tomasz Skwarnicki, A. D. Foland, G. Bonvicini, J. P. Alexander, S. W. Gray, E. Johnson, S. Karamov, D. M. Asner, Y. Li, C. Gwon, M. Lohner, G. C. Moneti, B. H. Behrens, P. M. Patel, Vivek Sharma, A. Smith, J. G. Thayer, Karl Berkelman, M. Saleem, B. K. Heltsley, S. J. Richichi, A. Magerkurth, M. M. Zoeller, E. Lipeles, S. J. Lee, J. Williams, S. Schrenk, G. D. Gollin, J. G. Smith, C. P. Jessop, N. Menon, Richard Wilson, A. Gritsan, A. Wolf, S. Prell, I. P.J. Shipsey, C. Bebek, D. L. Kreinick, E. Eckhart, Z. Xu, C. Boulahouache, R. A. Briere, F. R. Wappler, T. E. Browder, T. S. Hill, Sz Márka, L. Ling, J. B. Thayer, S. McGee, R. Ehrlich, G. J. Zhou, S. B. Athar, J. Urheim, T. Wlodek, H. Kagan, D. Y.J. Kim, J. W. Hinson, S. Schuh, A. Ershov, M.A. Palmer, A. Undrus, Alice Bean, R. J. Morrison, Jason Sang Hun Lee, Mats A Selen, V. Boisvert, A. Eppich, A. J. Sadoff, D. Hufnagel, John Yelton, R. Mahapatra, H. Marsiske, J. L. Rodriguez, Sacha E Kopp, M. S. Alam, R. Janicek, Frank Würthwein, V. Fadeyev, G. Viehhauser, C.Y. Prescott, N. B. Mistry, B. Valant-Spaight, Daniel P Cronin-Hennessy, Jianqiao Ye, K. W. Edwards, D. Peterson, K. W. McLean, T. Bergfeld, Marina Artuso, J. Fast, H. Yamamoto, H. Schwarthoff, R. Davis, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, S. Ahmed, D. H. Miller, P. Gaidarev, R. Ayad, E. M. Potter, P. I. Hopman, C. D. Jones, B. E. Berger, R. Godang, M. Schmidtler, R. Mountain, E. von Toerne, J. J. O'Neill, D. Cinabro, B. Gittelman, D. G. Cassel, G. Masek, Juliet Ritchie Patterson, X. J. Zhou, I. Karliner, Horst Severini, P. S. Drell, B. I. Eisenstein, R. Poling, V. Pavlunin, J. Ernst, A. Shapiro, and K. Bukin
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Physics ,Branching fraction ,Electron–positron annihilation ,Analytical chemistry ,General Physics and Astronomy ,B meson ,Atomic physics - Abstract
We analyze 9.7x10(6) B_B pairs recorded with the CLEO detector to determine the production ratio of charged to neutral B-meson pairs produced at the Upsilon(4S) resonance. We measure the rates for B0-->J/psiK((*)0) and B+-->J/psiK((*)+) decays and use the world-average B-meson lifetime ratio to extract the relative widths f(+-) / f(00) = gamma(Upsilon(4S)-->B+B-) / gamma(Upsilon(4S)-->B0 B-0)) = 1.04+/-0.07(stat)+/-0.04(syst). With the assumption that f(+-)+f(00) = 1, we obtain f(00) = 0.49+/-0.02(stat)+/-0.01(syst) and f(+-) = 0.51+/-0.02(stat)+/-0.01(syst). This production ratio and its uncertainty apply to all exclusive B-meson branching fractions measured at the Upsilon(4S) resonance.
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- 2001
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17. Search for the DecayB¯0→D*0γ
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E. H. Thorndike, A. Wolf, Karl Berkelman, P. S. Drell, R. A. Briere, M. Saleem, G. Bonvicini, R. Ayad, J. P. Alexander, T. O. Meyer, L. P.J. Shipsey, E. M. Potter, J. Ernst, P. I. Hopman, S. B. Athar, L. P. Perera, R. Godang, M. M. Zoeller, Y. Kwon, V. Savinov, J. Urheim, D. Cinabro, S. E. Csorna, S.C. Timm, G. Masek, R. Davis, Juliet Ritchie Patterson, C. Sedlack, D. Z. Besson, B. Gittelman, Yurii Maravin, J. W. Hinson, M. Schmidtler, C. Bebek, T. Hart, Dj Lange, K. Kinoshita, G. W. Brandenburg, T. E. Coan, J. J. Thaler, D. G. Cassei, A. J. Weinstein, X. J. Zhou, K. Honscheid, Jiejun Wu, E. Dambasuren, I. Danko, Jing Wang, T. Wlodek, G. Majumder, Horst Severini, K. W. Edwards, P. Skubic, Tomasz Skwarnicki, M. Dickson, T. K. Pedlar, G. D. Gomn, L. K. Gibbons, V. V. Frolov, Z. Xu, D. E. Jaffe, T. Riehle, D. H. Miller, Sz Márka, S. J. Richichi, L. Jian, L. C. Lai, E. von Toerne, Sheldon Stone, Paul Avery, J. J. O'Neill, P. Gaidarev, T. Bergfeld, J. L. Rodriguez, A. Undrus, J. E. Duboscq, D. Hufnagel, R. Mountain, D. Y.J. Kim, Marina Artuso, H. P. Paar, G. Viehhauser, R. Poling, B. H. Behrens, D. Ugolini, V. Pavlunin, A. H. Mahmood, W. T. Ford, Shuai Chen, A. Anastassov, R. Ammar, A. I. Rubiera, R. D. Kass, N. B. Mistry, J. Fast, N. Menon, S. W. Gray, S. Karamov, H. Yamamoto, H. Schwarthoff, E. Nordberg, A. Shapiro, R. G. Thies, C. Boulahouache, R. Baker, J. Roy, R. M. Hans, L. Ling, W. M. Sun, Ryszard Stroynowski, F. Würthwein, C.Y. Prescott, G. J. Zhou, A. Ershov, M. A. Marsh, S. Schrenk, Jianqiao Ye, J. G. Smith, C. P. Jessop, E. I. Shibata, K. Bukin, Andreas Warburton, S. Ahmed, S. Prell, D. Peterson, H. Marsiske, K. W. McLean, E. Johnson, J. Zheng, K. K. Gan, I. Narsky, C. D. Jones, G. C. Moneti, Vivek Sharma, A. Smith, B. E. Berger, V. Fadeyev, I. Karliner, B. Valant-Spaight, X. Zhao, M.A. Palmer, B. I. Eisenstein, A. D. Foland, J. Williams, John Yelton, R. Mahapatra, D. L. Hartill, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, J. B. Thayer, H. Kagan, R. J. Morrison, Mats A Selen, T. S. Hill, A. J. Sadoff, R. Ehrlich, N. Kwak, Y. S. Gao, F. Blanc, G. E. Gladding, K. M. Ecklund, A. L. Lyon, D. L. Kreinick, T. E. Browder, B. K. Heltsley, E. Lipeles, S. J. Lee, Sacha E Kopp, M. S. Alam, Daniel P Cronin-Hennessy, D. Riley, R. Janicek, M. L. Perl, Yuichi Kubota, Richard Wilson, A. Gritsan, S. Schuh, D. M. Asner, Y. Li, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, Alice Bean, Jason Sang Hun Lee, V. Boisvert, A. Eppich, and G. Eigen
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Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,General Physics and Astronomy ,01 natural sciences ,Standard Model ,Baryon ,Particle decay ,0103 physical sciences ,Radiative transfer ,High Energy Physics::Experiment ,Cornell Electron Storage Ring ,010306 general physics - Abstract
We report results of a search for the rare radiative decay B(bar sign){sup 0}{yields}D{sup *0} {gamma} . Using 9.66x10{sup 6} BB(bar sign) meson pairs collected with the CLEO detector at the Cornell Electron Storage Ring, we set an upper limit on the branching ratio for this decay of 5.0x10{sup -5} at 90% C.L. This provides evidence that the anomalous enhancement is absent in W -exchange processes and that weak radiative B decays are dominated by the short-distance b{yields}s{gamma} mechanism in the standard model. (c) 2000 The American Physical Society.
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- 2000
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18. First Observations ofϒ(1S)→γπ+π−andϒ(1S)→γπ0π0
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Werner Sun, L. P. Perera, S. von Dombrowski, E. Dambasuren, Jing Wang, H. Krieg, H. Marsiske, T. Wlodek, Yanwen Liu, C. R. Ng, C. Darling, Yurii Maravin, D. A. Roberts, Z. Xu, I. Karliner, M. Athanas, June Hyuk Lee, J. G. Smith, John E. Bartelt, S. Glenn, A. Shapiro, J. J. Thaler, W. T. Ford, A. I. Rubiera, R. D. Kass, Sz Márka, D. H. Miller, Saroj Kumar Sahu, S. Roberts, D. Ugolini, N. Menon, John Yelton, R. Mahapatra, Sheldon Stone, Paul Avery, S. B. Anderson, R. M. Hans, P. Gaidarev, D. Z. Besson, A. Titov, G. Masek, Juliet Ritchie Patterson, R. Baker, B. E. Berger, B. Valant-Spaight, D. L. Kreinick, C. Bebek, M. Ogg, Alain Bellerive, H. Kagan, Alexander Undrus, R. Davis, P. Pomianowski, B. H. Behrens, S. Schuh, J. S. Miller, X. J. Zhou, Horst Severini, R. A. Briere, T. E. Browder, I. P. J. Shipsey, Erik A. Johnson, L. Zhou, Ilya Kravchenko, Andreas Warburton, S. Schrenk, D. E. Jaffe, J. Urheim, C. D. Jones, R. J. Morrison, Y. S. Gao, Mats A Selen, J. W. Hinson, C.Y. Prescott, V. Savinov, C. P. Jessop, S.C. Timm, H. Yamamoto, A. J. Sadoff, Marina Artuso, J. Zheng, K. K. Gan, T. Skwarnicki, P. Skubic, D. Riley, L. K. Gibbons, H. Schwarthoff, R. Janicek, Y. J. Kwon, Z. Ling, James E. Fast, D. L. Hartill, E. M. Potter, Jianqiao Ye, J. Gronberg, T. Hart, K. Honscheid, A. Anastassov, D. S. Crowcroft, A. H. Mahmood, C. P. Ward, P. I. Hopman, Yang Li, D. J. Lange, T. S. Hill, Sacha E Kopp, H. P. Paar, R. Ehrlich, M. S. Alam, J. E. Duboscq, K. W. Edwards, G. C. Moneti, Vivek Sharma, Andrei Gritsan, S. Kotov, Jayashree Roy, F. R. Wappler, S. E. Csorna, D. Y.J. Kim, B. K. Heltsley, T. Riehle, S. J. Lee, G. D. Gollin, M.A. Palmer, Elliot Lipeles, E. I. Shibata, A. J.R. Weinstein, E. Nordberg, G. Eigen, M. L. Perl, G. H. A. Viehhauser, J. Kandaswamy, Yuichi Kubota, R. J. Wilson, I. Narsky, G. E. Gladding, K. Kinoshita, Karl Berkelman, J. A. Ernst, A. D. Foland, Ryszard Stroynowski, G. W. Brandenburg, T. E. Coan, Vitaliy Fadeyev, S. W. Gray, T. K. Nelson, D. Peterson, K. M. Ecklund, K. W. McLean, H. N. Nelson, A. M. Smith, N. Kwak, Alice Bean, Ilya Korolkov, Richard L. Greene, E. H. Thorndike, S. Prell, M. M. Zoeller, Philip Baringer, S. J. Richichi, A. Wolf, D. Coppage, G. Bonvicini, J. P. Alexander, Veronique Boisvert, A. Soffer, M. Bishai, J. L. Rodriguez, Alexander Ershov, K. Lingel, Frank Würthwein, D. M. Asner, N. B. Mistry, R. S. Galik, G. J. Zhou, S. B. Athar, P. M. Patel, S. J. Chen, T. Bergfeld, A. L. Lyon, R. Godang, T. Lee, M. Schmidtler, R. Mountain, M. Dickson, D. G. Cassel, R. Poling, B. I. Eisenstein, P. S. Drell, M. Lohner, J. J. O'Neill, D. Cinabro, B. Gittelman, R. Ammar, I. C. Lai, S. Chan, and M. A. Marsh
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General Physics and Astronomy - Published
- 1999
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19. Observation and Mass Measurement of the BaryonΞb−
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T. AALTONEN, A. ABULENCIA, HELSINKI I.N.S.T. OF PHYS, J. ADELMAN, ILLINOIS U, URBANA, ANTHONY ALLEN AFFOLDER, CHICAGO U, EFI, T. AKIMOTO, SANTA BARBARA, MICHAEL G. ALBROW, TSUKUBA U, S. AMERIO, FERMILAB, DANTE E. AMIDEI, PADUA U, A. ANASTASSOV, MICHIGAN U, K. ANIKEEV, RUTGERS U, PISCATAWAY, A. ANNOVI, J. ANTOS, FRASCATI, M. AOKI, COMENIUS U, G. APOLLINARI, T. ARISAWA, A. ARTIKOV, WASEDA U, WILLIAM JOSEPH ASHMANSKAS, DUBNA, JINR, A. ATTAL, ADAM AURISANO, BARCELONA, IFAE, F. AZFAR, TEXAS A. M, P. AZZI BACCHETTA, OXFORD U, PAOLO AZZURRI, NICOLA BACCHETTA, PISA U, W. BADGETT, ANGELA BARBARO GALTIERI, V. E. BARNES, LBL, BERKELEY, BRUCE A. BARNETT, PURDUE U, S. BAROIANT, JOHNS HOPKINS U, V. BARTSCH, UC, DAVIS, G. BAUER, UNIVERSITY C.O.L.L. LONDON, P. H. BEAUCHEMIN, MIT, LNS, FRANCO BEDESCHI, MCGILL U, S. BEHARI, GIORGIO BELLETTINI, JAMES NUGENT BELLINGER, A. BELLONI, WISCONSIN U, MADISON, DOUGLAS P. BENJAMIN, ANDREW F. BERETVAS, DUKE U, JUERG BERINGER, T. 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K., Teng, Koji, Terashi, Julia, Thom, ALAN STAN, Thompson, E., Thomson, PAUL LOUIS, Tipton, V., Tiwari, S., Tkaczyk, DAVID A., Toback, S., Tokar, K., Tollefson, Tomonobu, Tomura, Diego, Tonelli, S., Torre, D., Torretta, S., Tourneur, William, Trischuk, S., Tsuno, Y., Tu, N., Turini, Fumihiko, Ukegawa, S., Uozumi, S., Vallecorsa, N., VAN REMORTEL, A., Varganov, E., Vataga, ELSA FABIOLA VAZQUEZ, Valencia, G., Velev, C., Vellidi, GREGORY FRANCISCO, Veramendi, Viktor, Veszpremi, Miguel, Vidal, R., Vidal, Ivan, Vila, Rocio, Vilar, T., Vine, M., Vogel, I., Vollrath, I., Volobouev, G., Volpi, FRANK K., Wuerthwein, P., Wagner, ROBERT G., Wagner, R. L., Wagner, J., Wagner, Wolfgang, Wagner, R., Wallny, S. M., Wang, ANDREAS T., Warburton, David, Water, M., Weinberger, WILLIAM CARL, Wester, Iii, B., Whitehouse, DANIEL O., Whiteson, ARTHUR BARRY, Wicklund, ERIC J., Wicklund, G., William, H. H., William, P., Wilson, B. L., Winer, Peter, Wittich, STEPHEN A., Wolber, CARL E., Wolfe, T., Wright, X., Wu, SARA MADGE VIOLETTE, Wynne, A., Yagil, K., Yamamoto, J., Yamaoka, T., Yamashita, C., Yang, UN KI, Yang, Y. C., Yang, W. M., Yao, GONG PING, Yeh, J., Yoh, Kohei, Yorita, T., Yoshida, GEUM BONG, Yu, I., Yu, SHIN SHAN, Yu, JAE CHUL, Yun, Lucia, Zanello, ANNA MARIA, Zanetti, I., Zaw, X., Zhang, J., Zhou, S., Zucchelli, Ptohos, Fotios [0000-0002-3432-3452], CDF Collaboration, T. Aaltonen, A. Abulencia, J. Adelman, T. Affolder, T. Akimoto, M. G. Albrow, S. Amerio, D. Amidei, A. Anastassov, K. Anikeev, A. Annovi, J. Anto, M. Aoki, G. Apollinari, T. Arisawa, A. Artikov, W. Ashmanska, A. Attal, A. Aurisano, F. Azfar, P. Azzi-Bacchetta, P. Azzurri, N. Bacchetta, W. Badgett, A. Barbaro-Galtieri, V. E. Barne, B. A. Barnett, S. Baroiant, V. Bartsch, G. Bauer, P.-H. Beauchemin, F. Bedeschi, S. Behari, G. Bellettini, J. Bellinger, A. Belloni, D. Benjamin, A. Beretva, J. Beringer, T. Berry, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, A. Bolshov, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, S. Carrillo, D. Carlsmith, R. Carosi, S. Carron, B. Casal, M. Casarsa, A. Castro, P. Catastini, D. Cauz, M. Cavalli-Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, I. Cho, K. Cho, D. Chokheli, J. P. Chou, G. Choudalaki, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, M. Cilijak, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, M. Coca, G. Compostella, M. E. Convery, J. Conway, B. Cooper, K. Copic, M. Cordelli, G. Cortiana, F. Crescioli, C. Cuenca Almenar, J. Cueva, R. Culbertson, J. C. Cully, S. DaRonco, M. Datta, S. D’Auria, T. Davie, D. Dagenhart, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lentdecker, G. De Lorenzo, M. Dell’Orso, F. Delli Paoli, L. Demortier, J. Deng, M. Deninno, D. De Pedi, P. F. Derwent, G. P. Di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, C. Dörr, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, I. Fedorko, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, R. Field, G. Flanagan, R. Forrest, S. Forrester, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, J. E. Garcia, F. Garberson, A. F. Garfinkel, C. Gay, H. Gerberich, D. Gerde, S. Giagu, P. Giannetti, K. Gibson, J. L. Gimmell, C. Ginsburg, N. Giokari, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, J. Goldstein, A. Golossanov, G. Gomez, G. Gomez-Ceballo, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Gouliano, A. Gresele, S. Grinstein, C. Grosso-Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay-Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadaki, A. Hamilton, B.-Y. Han, J. Y. Han, R. Handler, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harri, M. Hartz, K. Hatakeyama, J. Hauser, C. Hay, M. Heck, A. Heijboer, B. Heinemann, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, D. Hida, C. S. Hill, D. Hirschbuehl, A. Hocker, A. Holloway, S. Hou, M. Houlden, S.-C. Hsu, B. T. Huffman, R. E. Hughe, U. Husemann, J. Huston, J. Incandela, G. Introzzi, M. Iori, A. Ivanov, B. Iyutin, E. Jame, D. Jang, B. Jayatilaka, D. Jean, E. J. Jeon, S. Jindariani, W. Johnson, M. Jone, K. K. Joo, S. Y. Jun, J. E. Jung, T. R. Junk, T. Kamon, P. E. Karchin, Y. Kato, Y. Kemp, R. Kephart, U. Kerzel, V. Khotilovich, B. Kilminster, D. H. Kim, H. S. Kim, J. E. Kim, M. J. Kim, S. B. Kim, S. H. Kim, Y. K. Kim, N. Kimura, L. Kirsch, S. Klimenko, M. Klute, B. Knuteson, B. R. Ko, K. Kondo, D. J. Kong, J. Konigsberg, A. Korytov, A. V. Kotwal, A. C. Kraan, J. Krau, M. Krep, J. Kroll, N. Krumnack, M. Kruse, V. Krutelyov, T. Kubo, S. E. Kuhlmann, T. Kuhr, N. P. Kulkarni, Y. Kusakabe, S. Kwang, A. T. Laasanen, S. Lai, S. Lami, S. Lammel, M. Lancaster, R. L. Lander, K. Lannon, A. Lath, G. Latino, I. Lazzizzera, T. LeCompte, J. Lee, Y. J. Lee, S. W. Lee, R. Lefèvre, N. Leonardo, S. Leone, S. Levy, J. D. Lewi, C. Lin, C. S. Lin, M. Lindgren, E. Lipele, A. Lister, D. O. Litvintsev, T. Liu, N. S. Lockyer, A. Loginov, M. Loreti, R.-S. Lu, D. Lucchesi, P. Lujan, P. Luken, G. Lungu, L. Lyon, J. Ly, R. Lysak, E. Lytken, P. Mack, D. MacQueen, R. Madrak, K. Maeshima, K. Makhoul, T. Maki, P. Maksimovic, S. Malde, S. Malik, G. Manca, A. Manousaki, F. Margaroli, R. Marginean, C. Marino, C. P. Marino, A. Martin, M. Martin, V. Martin, M. Martínez, R. Martínez-Ballarín, T. Maruyama, P. Mastrandrea, T. Masubuchi, H. Matsunaga, M. E. Mattson, R. Mazini, P. Mazzanti, K. S. McFarland, P. McIntyre, R. McNulty, A. Mehta, P. Mehtala, S. Menzemer, A. Menzione, P. Merkel, C. Mesropian, A. Messina, T. Miao, N. Miladinovic, J. Mile, R. Miller, C. Mill, M. Milnik, A. Mitra, G. Mitselmakher, A. Miyamoto, S. Moed, N. Moggi, B. Mohr, C. S. Moon, R. Moore, M. Morello, P. Movilla Fernandez, J. Mülmenstädt, A. Mukherjee, Th. Muller, R. Mumford, P. Murat, M. Mussini, J. Nachtman, A. Nagano, J. Naganoma, K. Nakamura, I. Nakano, A. Napier, V. Necula, C. Neu, M. S. Neubauer, J. Nielsen, L. Nodulman, O. Norniella, E. Nurse, S. H. Oh, Y. D. Oh, I. Oksuzian, T. Okusawa, R. Oldeman, R. Orava, K. Osterberg, C. Pagliarone, E. Palencia, V. Papadimitriou, A. Papaikonomou, A. A. Paramonov, B. Park, S. Pashapour, J. Patrick, G. Pauletta, M. Paulini, C. Pau, D. E. Pellett, A. Penzo, T. J. Phillip, G. Piacentino, J. Piedra, L. Pinera, K. Pitt, C. Plager, L. Pondrom, X. Portell, O. Poukhov, N. Pounder, F. Prakoshyn, A. Pronko, J. Proudfoot, F. Ptoho, G. Punzi, J. Pursley, J. Rademacker, A. Rahaman, V. Ramakrishnan, N. Ranjan, I. Redondo, B. Reisert, V. Rekovic, P. Renton, M. Rescigno, S. Richter, F. Rimondi, L. Ristori, A. Robson, T. Rodrigo, E. Roger, S. Rolli, R. Roser, M. Rossi, R. Rossin, P. Roy, A. Ruiz, J. Ru, V. Rusu, H. Saarikko, A. Safonov, W. K. Sakumoto, G. Salamanna, O. Saltó, L. Santi, S. Sarkar, L. Sartori, K. Sato, P. Savard, A. Savoy-Navarro, T. Scheidle, P. Schlabach, E. E. Schmidt, M. P. Schmidt, M. Schmitt, T. Schwarz, L. Scodellaro, A. L. Scott, A. Scribano, F. Scuri, A. Sedov, S. Seidel, Y. Seiya, A. Semenov, L. Sexton-Kennedy, A. Sfyrla, S. Z. Shalhout, M. D. Shapiro, T. Shear, P. F. Shepard, D. Sherman, M. Shimojima, M. Shochet, Y. Shon, I. Shreyber, A. Sidoti, P. Sinervo, A. Sisakyan, A. J. Slaughter, J. Slaunwhite, K. Sliwa, J. R. Smith, F. D. Snider, R. Snihur, M. Soderberg, A. Soha, S. Somalwar, V. Sorin, J. Spalding, F. Spinella, T. Spreitzer, P. Squillacioti, M. Stanitzki, A. Staveris-Polykala, R. St. Deni, B. Stelzer, O. Stelzer-Chilton, D. Stentz, J. Strologa, D. Stuart, J. S. Suh, A. Sukhanov, H. Sun, I. Suslov, T. Suzuki, A. Taffard, R. Takashima, Y. Takeuchi, R. Tanaka, M. Tecchio, P. K. Teng, K. Terashi, J. Thom, A. S. Thompson, E. Thomson, P. Tipton, V. Tiwari, S. Tkaczyk, D. Toback, S. Tokar, K. Tollefson, T. Tomura, D. Tonelli, S. Torre, D. Torretta, S. Tourneur, W. Trischuk, S. Tsuno, Y. Tu, N. Turini, F. Ukegawa, S. Uozumi, S. Vallecorsa, N. van Remortel, A. Varganov, E. Vataga, F. Vazquez, G. Velev, C. Vellidi, G. Veramendi, V. Veszpremi, M. Vidal, R. Vidal, I. Vila, R. Vilar, T. Vine, M. Vogel, I. Vollrath, I. Volobouev, G. Volpi, F. Würthwein, P. Wagner, R. G. Wagner, R. L. Wagner, J. Wagner, W. Wagner, R. Wallny, S. M. Wang, A. Warburton, D. Water, M. Weinberger, W. C. Wester, III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, G. William, H. H. William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, T. Yamashita, C. Yang, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, J. Zhou, S. Zucchelli, and (CDF Collaboration)
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Particle physics ,Physics, Multidisciplinary ,Hadron ,Gaussian distribution ,Mass measurement ,General Physics and Astronomy ,ddc:500.2 ,Lambda baryon ,01 natural sciences ,High Energy Physics - Experiment ,Xi baryon ,Particle decay ,0103 physical sciences ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,Measurement theory ,Nuclear Experiment ,010306 general physics ,Probability ,Physics ,Muon ,010308 nuclear & particles physics ,Hyperon ,Background fluctuation ,Baryon ,Crystallography ,14.20.Mr, 13.30.Eg, 13.60.Rj ,High Energy Physics::Experiment ,Nucleon - Abstract
We report the observation and measurement of the mass of the bottom, strange baryon $\Xi^-_b$ through the decay chain $\Xi^-_b \to J/\psi \Xi^-$, where $J/\psi \to \mu^+ \mu^-$, $\Xi^- \to \Lambda \pi^-$, and $\Lambda \to p \pi^-$. Evidence for observation is based on a signal whose probability of arising from the estimated background is 6.6 x 10^{-15}, or 7.7 Gaussian standard deviations. The $\Xi^-_b$ mass is measured to be $5792.9\pm 2.5$ (stat.) $\pm 1.7$ (syst.) MeV/$c^2$., Comment: Minor text changes for the second version. Accepted by Phys. Rev. Lett
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- 2007
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20. Observation ofB+→ωK+and Search for RelatedBDecays Modes
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L. P. Perera, P. Pomianowski, A. Anastassov, I. Korolkov, R. Baker, L. Zhou, Ilya Kravchenko, Sheldon Stone, C. D. Jones, B. H. Behrens, Paul Avery, J. Staeck, J. W. Hinson, Yurii Maravin, Alain Bellerive, C. Bebek, R. Godang, T. Lee, D. M. Asner, Y. Li, M. Schmidtler, D. He, R. M. Hans, P. M. Patel, R. Ammar, J. Fast, S. Glenn, M. Ogg, M. B. Spencer, Z. Ling, R. Mountain, Sz Márka, D. Cinabro, J. Zheng, B. Nemati, K. K. Gan, I. C. Lai, S. Chan, I. Narsky, D. G. Cassel, J. S. Miller, P. C. Kim, I. P.J. Shipsey, J. Roy, B. Gittelman, M. Goldberg, H. Yamamoto, W. T. Ford, F. Azfar, G. C. Moneti, Richard Wilson, A. Gritsan, R. D. Kass, Y. S. Gao, Vivek Sharma, M. A. Marsh, A. Smith, C.Y. Prescott, Ryszard Stroynowski, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, I. Karliner, A. Wolf, A. Undrus, K. Honscheid, Y. Kwon, V. Savinov, E. I. Shibata, B. I. Eisenstein, T. S. Hill, S. Prell, S. Patton, T. Hart, Jianqiao Ye, J. E. Duboscq, K. W. Edwards, E. Johnson, R. Ehrlich, S. Roberts, W. R. Ross, Jungil Lee, Karl Berkelman, D. Riley, D. Z. Besson, A. Efimov, G. J. Zhou, T. Riehle, S. Kotov, J. J. Thaler, L. K. Gibbons, N. Menon, H. Krieg, R. Poling, C. R. Ng, C. Darling, B. E. Berger, C. Ward, B. K. Heltsley, H. Marsiske, P. Skubic, D. Ugolini, J. Gronberg, A. D. Foland, S.C. Timm, J. Bartelt, S. J. Lee, R. Janicek, M. Chadha, I. Volobouev, A. Ershov, G. D. Gollin, S. W. Gray, M. Yurko, D. Y.J. Kim, M. Lohner, Dj Lange, S. von Dombrowski, T. E. Coan, Philip Baringer, D. B. MacFarlane, A. J. Weinstein, G. Masek, V. Fadeyev, Xiangjun Xing, D. L. Kreinick, Tomasz Skwarnicki, Juliet Ritchie Patterson, A. H. Mahmood, H. N. Nelson, M. L. Perl, T. Bergfeld, Sacha E Kopp, S. J. Richichi, B. Valant-Spaight, M. S. Alam, Yuichi Kubota, X. J. Zhou, T. E. Browder, Horst Severini, D. Fujino, S. Schuh, R. A. Briere, H. P. Paar, M.A. Palmer, J. L. Rodriguez, Frank Würthwein, S. B. Athar, G. Viehhauser, N. B. Mistry, E. Nordberg, J. Kandaswamy, N. Kwak, M. Bishai, M. Athanas, D. Peterson, K. W. McLean, Alice Bean, T. K. Nelson, V. Boisvert, R. Davis, Marina Artuso, M. M. Zoeller, Daniel W. Bliss, G. E. Gladding, Kenneth Bloom, J. Urheim, K. M. Ecklund, A. L. Lyon, G. Eigen, P. I. Hopman, M. Sung, D. Roberts, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, Jing Wang, D. H. Miller, P. Gaidarev, Richard L. Greene, E. H. Thorndike, D. Coppage, G. Bonvicini, J. P. Alexander, John Yelton, H. Kagan, R. J. Morrison, Mats A Selen, A. J. Sadoff, D. L. Hartill, A. Soffer, M. Dickson, S. Anderson, D. S. Crowcroft, F. R. Wappler, V. Shelkov, Vivek Jain, J. J. O'Neill, P. S. Drell, K. Lingel, and J. Ernst
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Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,Hadron ,General Physics and Astronomy ,01 natural sciences ,Omega ,Measure (mathematics) ,Nuclear physics ,Particle decay ,0103 physical sciences ,High Energy Physics::Experiment ,B meson ,010306 general physics - Abstract
We have searched for two-body charmless decays of B mesons to purely hadronic exclusive final states including $\omega$ or $\phi$ mesons using data collected with the CLEO II detector. With this sample of $6.6 \times 10^6$ B mesons we observe a signal for the $\omega K^+$ final state, and measure a branching fraction of B($B^+ \to \omega K^+$) = 1.5 +0.7 -0.6 +-0.2 $\times 10^{-5}$. We also observe some evidence for the $\phi K^*$ final state, and upper limits are given for 22 other decay modes. These results provide the opportunity for studies of theoretical models and physical parameters.
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- 1998
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21. First Observation of the Cabibbo Suppressed DecayB+→D¯0K+
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J. Gronberg, H. P. Paar, D. He, H. Yamamoto, Richard L. Greene, J. W. Hinson, L. K. Gibbons, D. G. Cassel, J. J. O'Neill, F. Wappler, Y. Kwon, Jing Wang, E. Johnson, G. Bonvicini, J. P. Alexander, P. Gaidarev, J. J. Thaler, E. Nordberg, R. Baker, P. I. Hopman, I. Karliner, S. B. Athar, L. P. Perera, D. H. Miller, M. Lohner, D. Cinabro, B. I. Eisenstein, E. I. Shibata, S. E. Csorna, M. L. Perl, K. Kinoshita, J. E. Duboscq, A. Anastassov, G. W. Brandenburg, M. S. Alam, Marina Artuso, S. J. Lee, S. Glenn, B. Gittelman, C. P. Jessop, M. B. Spencer, Yanwen Liu, S. Schuh, B. Valant-Spaight, J. G. Smith, I. C. Lai, S. Schrenk, S. Kotov, D. Besson, K. K. Gan, S. Timm, J. Staeck, W. T. Ford, G. J. Zhou, S. Chan, E. H. Thorndike, F. Azfar, D. W. Bliss, M. Bishai, Jayashree Roy, M. A. Marsh, D. Coppage, Vipul Jain, A.J. Sadoff, Karl Berkelman, M.A. Palmer, G. H. A. Viehhauser, V.G. Shelkov, A. Efimov, A. Bean, P. Baringer, L. Zhou, T. E. Coan, D. B. MacFarlane, S. Roberts, Sacha E Kopp, C. P. Ward, Ryszard Stroynowski, P. S. Drell, A. Smith, R. Godang, T. Lee, M. Schmidtler, K. Honscheid, B. H. Behrens, J. Urheim, R. Ammar, S. von Dombrowski, H. N. Nelson, B. E. Berger, Andrei Gritsan, P. Pomianowski, T. Riehle, M. M. Zoeller, I. Narsky, Alain Bellerive, J. L. Rodriguez, S. J. Richichi, D. A. Roberts, R. M. Hans, N. Menon, C. D. Jones, Sz Márka, J. Ernst, S. Patton, Ilya Korolkov, Sheldon Stone, Paul Avery, T. Hart, Frank Würthwein, Z. Ling, D. M. Asner, Y. Li, A. J.R. Weinstein, R. Davis, Vitaliy Fadeyev, N. B. Mistry, P. M. Patel, V. Savinov, T. K. Nelson, R. Mountain, M. Dickson, Yurii Maravin, K. Lingel, D. Y.J. Kim, M. Yurko, Igor Volobouev, D. Riley, Y. Kubota, Harris Kagan, W. R. Ross, M. Ogg, M. Chadha, John E. Bartelt, C.Y. Prescott, B. Nemati, C. Darling, Jianqiao Ye, A. Ershov, R. J. Morrison, Mats A Selen, S. Prell, K. W. Edwards, Richard Wilson, Veronique Boisvert, A. Soffer, J. Zheng, I. Kravchenko, T. Bergfeld, John Yelton, D. L. Hartill, J. Kandaswamy, D. S. Crowcroft, J. Fast, D. J. Lange, D. Ugolini, T. Skwarnicki, D. Fujino, P. C. Kim, S. W. Gray, M. Athanas, D. Peterson, K. W. McLean, M. Goldberg, G. C. Moneti, Vivek Sharma, J. S. Miller, Y. S. Gao, A. D. Foland, Xiangjun Xing, T. S. Hill, R. Ehrlich, N. Kwak, G. E. Gladding, K. M. Ecklund, A. L. Lyon, B. K. Heltsley, G. D. Gollin, Ji Ung Lee, D. L. Kreinick, C. Bebek, S. Anderson, T. E. Browder, Ian Shipsey, P. Skubic, C. R. Ng, H. Marsiske, M.K. Sung, G. Masek, Juliet Ritchie Patterson, X. J. Zhou, Horst Severini, R. A. Briere, R. Kass, A. H. Mahmood, R. Janicek, A. Wolf, A. Undrus, Kenneth Bloom, R. Poling, and G. Eigen
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Physics ,Particle physics ,Unitarity ,010308 nuclear & particles physics ,Branching fraction ,Cabibbo–Kobayashi–Maskawa matrix ,Electron–positron annihilation ,General Physics and Astronomy ,01 natural sciences ,3. Good health ,Particle decay ,Crystallography ,0103 physical sciences ,Cornell Electron Storage Ring ,010306 general physics - Abstract
We have observed the decay ${B}^{+}\ensuremath{\rightarrow}{\overline{D}}^{0}{K}^{+}$, using $3.3\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $B\overline{B}$ pairs collected with the CLEO II detector at the Cornell Electron Storage Ring. We find the ratio of branching fractions $R\ensuremath{\equiv}B({B}^{+}\ensuremath{\rightarrow}{\overline{D}}^{0}{K}^{+})/B({B}^{+}\ensuremath{\rightarrow}{\overline{D}}^{0}{\ensuremath{\pi}}^{+})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}0.055\ifmmode\pm\else\textpm\fi{}0.014\ifmmode\pm\else\textpm\fi{}0.005$.
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- 1998
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22. Measurement ofB(D0→K−π+)Using Partial Reconstruction ofB¯→D*+Xℓ−ν¯
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D. Riley, J. Urheim, J. S. Miller, J. Kandaswamy, H. P. Paar, J. Bartelt, Y. S. Gao, M.A. Palmer, M. Athanas, D. Peterson, Anders Ryd, A. H. Mahmood, M. L. Perl, K. W. McLean, Sz Márka, Yuichi Kubota, D. H. Miller, P. Gaidarev, A. D. Foland, J. J. Thaler, H. Kagan, W. R. Ross, Z. Ling, T. Hart, R. Ammar, M. Yurko, Richard Wilson, T. K. Nelson, I. P.J. Shipsey, E. Nordberg, H. Marsiske, M. B. Spencer, Yurii Maravin, I. Volobouev, J. Roy, I. Narsky, I. C. Lai, A. Ershov, Richard L. Greene, S. Chan, C. O'Grady, Philip Baringer, Xiangjun Xing, Ryszard Stroynowski, M. Lohner, M. A. Marsh, M. M. Zoeller, Y. Kwon, V. Savinov, T. Riehle, Karl Berkelman, A. Efimov, V. Fadeyev, B. K. Heltsley, S. J. Lee, B. Valant-Spaight, Alain Bellerive, G. D. Gollin, D. Ugolini, D. Z. Besson, D. M. Asner, E. H. Thorndike, Kenneth Bloom, R. J. Morrison, S. Patton, Y. Li, D. He, P. M. Patel, S. W. Gray, J. L. Rodriguez, A. Wolf, Mats A Selen, D. Coppage, A. J. Sadoff, A. Undrus, T. S. Hill, G. Bonvicini, J. P. Alexander, R. Ehrlich, Frank Würthwein, C. Ward, G. E. Gladding, G. Viehhauser, N. B. Mistry, L. P. Perera, H. Yamamoto, R. Davis, R. Wang, D. L. Hartill, A. Soffer, J. Gronberg, S.C. Timm, M. Chadha, L. K. Gibbons, G. J. Zhou, P. Pomianowski, G. Eigen, K. M. Ecklund, Dj Lange, S. Anderson, D. Y.J. Kim, Sheldon Stone, D. S. Crowcroft, Paul Avery, D. L. Kreinick, S. Schuh, L. Zhou, T. E. Browder, Ilya Kravchenko, C. D. Jones, K. Honscheid, J. W. Hinson, T. E. Coan, D. B. MacFarlane, P. Skubic, S. B. Athar, A. J. Weinstein, Tomasz Skwarnicki, H. N. Nelson, Harold S. Park, S. von Dombrowski, Marina Artuso, S. J. Richichi, B. H. Behrens, W. T. Ford, F. R. Wappler, F. Azfar, D. Fujino, Alice Bean, D. W. Bliss, R. D. Kass, R. Balest, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, J. E. Duboscq, K. W. Edwards, V. Boisvert, S. D. Johnson, S. Prell, A. Anastassov, I. Korolkov, R. Baker, J. Staeck, S. Kotov, J. J. O'Neill, R. Janicek, John Yelton, R. M. Hans, M. Dickson, C. Bebek, S. Glenn, M. Ogg, J. Zheng, K. K. Gan, P. C. Kim, M. Goldberg, G. C. Moneti, Vivek Sharma, A. Smith, P. I. Hopman, M. Sung, D. Roberts, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, Sacha E Kopp, M. S. Alam, R. Wanke, T. Bergfeld, Jungil Lee, J. Fast, N. Menon, N. Kwak, M. Bishai, C.Y. Prescott, R. Godang, T. Lee, M. Schmidtler, V. Shelkov, Jianqiao Ye, R. Mountain, E. I. Shibata, D. G. Cassel, R. Poling, E. Johnson, C. R. Ng, C. Darling, I. Karliner, B. I. Eisenstein, S. Roberts, B. E. Berger, G. Masek, Juliet Ritchie Patterson, X. J. Zhou, Horst Severini, R. A. Briere, D. Cinabro, B. Nemati, B. Gittelman, Vivek Jain, P. S. Drell, K. Lingel, and J. Ernst
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Physics ,Nuclear physics ,Semileptonic decay ,Pion ,Branching fraction ,Detector ,General Physics and Astronomy ,High Energy Physics::Experiment ,Decay chain ,Cornell Electron Storage Ring ,Lepton - Abstract
We present a measurement of the absolute branching fraction for D^0→K^-π^+ using the reconstruction of the decay chain B →D^(*+)Xl^-ν , D^(*+)→D^0π^+ where only the lepton and the low-momentum pion from the D^(*+) are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D^0→K^-π^+) = [3.81±0.15(stat)±0.16(syst)]%.
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- 1998
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23. New Measurement ofB→D*πBranching Fractions
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S. Roberts, D. Cinabro, B. Nemati, A. Undrus, H. Marsiske, A. D. Foland, B. E. Berger, B. Gittelman, Z. Ling, D. L. Hartill, A. Soffer, Jungil Lee, S. Anderson, G. J. Zhou, V. Savinov, I. P.J. Shipsey, J. D. Richman, D. S. Crowcroft, B. C. Barish, J. Masui, M. Yurko, N. Menon, Vivek Jain, V. Fadeyev, M. Dickson, K. Honscheid, T. K. Nelson, R. M. Hans, A. Freyberger, C. Qiao, J. Roy, Ryszard Stroynowski, T. Hart, C. Bebek, R. Godang, T. Lee, M. Schmidtler, Yurii Maravin, W. R. Ross, M. M. Zoeller, F. R. Wappler, A. H. Mahmood, Richard L. Greene, M. Ogg, F. Li, E. H. Thorndike, P. Rankin, Philip Baringer, D. B. MacFarlane, A. J. Weinstein, Y. Kwon, I. Volobouev, D. Y.J. Kim, A. Wolf, Xiangjun Xing, K. W. McLean, Tomasz Skwarnicki, D. Coppage, G. Bonvicini, D. Z. Besson, H. A. Cho, J. E. Duboscq, K. W. Edwards, T. Riehle, M.A. Palmer, F. Frasconi, J. P. Alexander, H. N. Nelson, J. Fast, P. S. Drell, L. P. Perera, D. He, D. H. Miller, R. Elia, N. Hancock, S. J. Richichi, J. J. Thaler, R. Poling, K. Lingel, D. Ugolini, P. Gaidarev, R. Mountain, C. R. Ng, C. Darling, J. Ernst, S. B. Athar, D. Fujino, A. Anastassov, I. Korolkov, Michael S. Witherell, Karl Berkelman, A. Efimov, J. Urheim, S. W. Gray, E. Gerndt, John Yelton, J. L. Rodriguez, M. Gao, M. Lohner, W. S. Brower, K. D. Fisher, S. Blinov, H. P. Paar, R. Fulton, H. Kagan, Frank Würthwein, L. Gibbons, P. Pomianowski, H. Yamamoto, P. Skubic, J. Zheng, T. E. Coan, C. Ward, G. Viehhauser, K. Cho, D. G. Cassel, R. Davis, N. B. Mistry, G. Masek, S. E. Csorna, J. J. O'Neill, R. Wang, W. T. Ford, Juliet Ritchie Patterson, J. Gronberg, Ilya Kravchenko, S.C. Timm, C. D. Jones, R. D. Kass, E. Nordberg, N. Kwak, Michael Wood, M. Chadha, R. Balest, G. S. Ludwig, R. J. Morrison, J. W. Hinson, Mats A Selen, K. Kinoshita, M. Bishai, X. J. Zhou, G. W. Brandenburg, A. J. Sadoff, I. Karliner, Dj Lange, R. A. Briere, B. H. Behrens, S. Schrenk, T. Bergfeld, Yanwen Liu, J. G. Smith, C. P. Jessop, Sheldon Stone, Marina Artuso, Paul Avery, S. D. Johnson, J. Staeck, B. I. Eisenstein, Anders Ryd, Sz Márka, S. Menary, C.Y. Prescott, P. I. Hopman, M. Sung, D. Roberts, M. B. Spencer, V. Shelkov, Jianqiao Ye, E. I. Shibata, I. Narsky, E. Johnson, Sacha E Kopp, M. S. Alam, R. Wanke, M. Lattery, R. Ammar, I. C. Lai, H. Severini, S. Chan, C. O'Grady, M. A. Marsh, J. Mevissen, J. Kandaswamy, M. Athanas, D. Peterson, S. Schuh, Harold S. Park, Alice Bean, Richard Wilson, Alain Bellerive, R. Kutschke, Y. Li, P. M. Patel, D. M. Coffman, Daniel W. Bliss, Kenneth Bloom, D. Riley, B. K. Heltsley, S. J. Lee, N. Katayama, D. M. Asner, G. D. Gollin, J. Bartelt, G. Eigen, D. L. Kreinick, T. E. Browder, M. L. Perl, Yuichi Kubota, S. Kotov, R. Janicek, G. E. Gladding, S. Patton, K. M. Ecklund, J. S. Miller, Y. S. Gao, T. S. Hill, R. Ehrlich, K. K. Gan, P. C. Kim, M. Goldberg, G. C. Moneti, Vivek Sharma, A. Smith, and S.F. Schaffner
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Physics ,Particle physics ,Particle decay ,Classical mechanics ,Pion ,Meson ,Branching fraction ,Electron–positron annihilation ,Hadron ,General Physics and Astronomy ,B meson ,Quarkonium - Abstract
The decays ϒ(4S)→BB , followed by B→D^*π and D^*→Dπ, permit reconstruction of all kinematic quantities that describe the sequence without reconstruction of the D, with reasonably low backgrounds. Using an integrated e^+e^- luminosity of 3.1 fb^(-1) accumulated at the ϒ(4S) by the CLEO-II detector, we report measurements of B(B ^0→D^(*+)π^-) = (2.81±0.11±0.21±0.05)×10^(-3) and B(B-→D^*0π^-) = (4.34±0.33±0.34±0.18)×10^(-3).
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- 1998
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24. Limit on the Two-Photon Production of the Glueball CandidatefJ(2220)at the Cornell Electron Storage Ring
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H. A. Cho, M. Gao, H. P. Paar, R. Fulton, H. Yamamoto, E. Gerndt, R. Ammar, Richard Wilson, S. Schuh, N. Kwak, P. S. Drell, W. S. Brower, I. C. Lai, R. Wang, R. Poling, R. Elia, M. Bishai, J. Roy, Ryszard Stroynowski, C. R. Ng, C. Darling, Harold S. Park, H. Severini, S. Chan, P. Rankin, K. Lingel, R. Godang, T. Lee, M. Schmidtler, D. Riley, Michael S. Witherell, E. Nordberg, P. Pomianowski, S. Blinov, D. M. Asner, T. Bergfeld, J. Ernst, Alice Bean, C. O'Grady, S. Menary, D. Fujino, J. Bartelt, G. S. Ludwig, R. Kutschke, M. Ogg, R. Davis, M. A. Marsh, Anders Ryd, T. S. Hill, M. L. Perl, W. T. Ford, R. Mountain, Yuichi Kubota, Sz Márka, M. Sivertz, Ilya Kravchenko, C. D. Jones, Michael Wood, D. Cinabro, K. D. Fisher, J. Masui, R. M. Hans, B. Nemati, V. Shelkov, R. Ehrlich, R. D. Kass, H. Marsiske, R. Balest, B. H. Behrens, J. W. Hinson, D. M. Coffman, C.Y. Prescott, B. Gittelman, B. K. Heltsley, D. G. Cassel, A. H. Mahmood, Yurii Maravin, G. J. Zhou, Kenneth Bloom, Alain Bellerive, S. J. Lee, Jianqiao Ye, Y. Kwon, M. Dickson, G. D. Gollin, D. Z. Besson, F. Li, V. Fadeyev, K. W. McLean, N. Katayama, Y. Li, Z. Ling, Vivek Jain, P. M. Patel, C. Ward, I. P.J. Shipsey, G. Eigen, Marina Artuso, J. Gronberg, S.C. Timm, K. Honscheid, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, I. Karliner, M. Chadha, C. Qiao, D. He, A. D. Foland, C. Bebek, L. P. Perera, J. Fast, S. D. Johnson, M.A. Palmer, S. Prell, G. Masek, G. E. Gladding, S. Patton, F. Frasconi, V. Savinov, B. I. Eisenstein, John Yelton, T. E. Coan, Dj Lange, Juliet Ritchie Patterson, D. B. MacFarlane, J. J. Thaler, T. Hart, S. Kotov, D. Y.J. Kim, M. Yurko, Richard L. Greene, E. H. Thorndike, K. M. Ecklund, A. J. Weinstein, R. Janicek, J. E. Duboscq, K. W. Edwards, Sheldon Stone, D. W. Bliss, Paul Avery, Philip Baringer, Xiangjun Xing, T. Riehle, W. R. Ross, D. L. Hartill, A. Soffer, H. N. Nelson, D. L. Kreinick, J. D. Richman, S. Anderson, X. J. Zhou, D. Coppage, G. Bonvicini, J. P. Alexander, D. S. Crowcroft, Sacha E Kopp, S. J. Richichi, T. E. Browder, R. A. Briere, A. Anastassov, M. S. Alam, R. Wanke, I. Korolkov, D. Ugolini, J. J. O'Neill, J. Zheng, J. S. Miller, S. E. Csorna, P. Skubic, M. Lohner, K. K. Gan, T. Skwarnicki, S. W. Gray, B. C. Barish, P. C. Kim, Karl Berkelman, Y. S. Gao, I. Volobouev, A. Efimov, M. Goldberg, F. R. Wappler, M. Lattery, G. C. Moneti, S. Roberts, Vivek Sharma, L. Gibbons, A. Smith, H. Kagan, R. S. Galik, S.F. Schaffner, B. E. Berger, J. Staeck, R. J. Morrison, Mats A Selen, A. Undrus, A. J. Sadoff, M. B. Spencer, I. Narsky, K. Kinoshita, G. W. Brandenburg, J. L. Rodriguez, P. I. Hopman, Frank Würthwein, G. Viehhauser, K. Cho, M. Sung, D. Roberts, N. B. Mistry, J. Mevissen, J. Kandaswamy, D. H. Miller, P. Gaidarev, E. I. Shibata, M. Athanas, D. Peterson, E. Johnson, Jungil Lee, N. Menon, T. K. Nelson, M. M. Zoeller, A. Wolf, N. Hancock, S. B. Athar, and J. Urheim
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Physics ,010308 nuclear & particles physics ,Branching fraction ,Glueball ,General Physics and Astronomy ,Coupling (probability) ,01 natural sciences ,Particle decay ,Product (mathematics) ,0103 physical sciences ,Content (measure theory) ,Production (computer science) ,Atomic physics ,Cornell Electron Storage Ring ,010306 general physics - Abstract
We use the CLEO detector at the Cornell e{sup +}e{sup {minus}} storage ring, CESR, to search for the two-photon production of the glueball candidate f{sub J}(2220) in its decay to K{sub s}K{sub s} . We present a restrictive upper limit on the product of the two-photon partial width and the K{sub s}K{sub s} branching fraction, ({Gamma}{sub {gamma}{gamma}}B{sub K{sub s}K{sub s}}){sub f{sub J(2220) }} . We use this limit to calculate a lower limit on the stickiness, which is a measure of the two-gluon coupling relative to the two-photon coupling. This limit on stickiness indicates that the f{sub J}(2220) has substantial glueball content. {copyright} {ital 1997} {ital The American Physical Society}
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- 1997
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25. First Observation of InclusiveBDecays to the Charmed Strange BaryonsΞc0andΞc+
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J. S. Miller, Y. S. Gao, T. S. Hill, R. Ehrlich, A. D. Foland, D. He, V. Savinov, M. Yurko, Philip Baringer, Xiangjun Xing, P. Skubic, G. J. Zhou, T. Hart, Marina Artuso, Y. Kwon, M. Ogg, T. Riehle, J. Urheim, R. Davis, D. Z. Besson, D. Ugolini, S. W. Gray, M. Gao, H. P. Paar, C. Bebek, W. S. Brower, P. Pomianowski, Ilya Kravchenko, C. D. Jones, Michael Wood, E. Nordberg, J. W. Hinson, D. L. Kreinick, A. Undrus, G. S. Ludwig, Alain Bellerive, John Yelton, T. E. Coan, D. B. MacFarlane, T. E. Browder, A. J. Weinstein, S. Schrenk, Y. Li, Yanwen Liu, J. G. Smith, C. P. Jessop, M. B. Spencer, P. M. Patel, H. Kagan, S. D. Johnson, H. Marsiske, H. N. Nelson, S. Prell, S. J. Richichi, I. Narsky, F. Frasconi, Richard Wilson, V. Fadeyev, A. H. Mahmood, T. K. Nelson, J. L. Rodriguez, J. Roy, Ryszard Stroynowski, B. H. Behrens, D. M. Coffman, R. J. Morrison, Mats A Selen, B. Valant-Spaight, Frank Würthwein, G. Viehhauser, K. Cho, K. W. McLean, Richard L. Greene, E. H. Thorndike, D. Riley, B. K. Heltsley, K. Honscheid, A. J. Sadoff, S. Blinov, D. M. Asner, N. B. Mistry, S. J. Lee, M. M. Zoeller, G. D. Gollin, P. Rankin, J. Bartelt, A. Wolf, H. Yamamoto, J. J. Thaler, D. L. Hartill, A. Soffer, J. Mevissen, J. Kandaswamy, W. T. Ford, S. Schuh, S. Anderson, R. D. Kass, D. S. Crowcroft, R. Balest, D. Coppage, R. Ammar, G. E. Gladding, Harold S. Park, M. L. Perl, S. Patton, N. Hancock, J. E. Duboscq, K. W. Edwards, R. Wang, G. Bonvicini, J. P. Alexander, M. Athanas, Yuichi Kubota, D. Peterson, I. C. Lai, J. Zheng, K. M. Ecklund, S. B. Athar, K. K. Gan, T. Skwarnicki, H. Severini, S. Chan, A. Anastassov, Alice Bean, F. R. Wappler, I. Korolkov, M.A. Palmer, P. C. Kim, C. O'Grady, W. R. Ross, R. Kutschke, Sheldon Stone, M. Goldberg, M. Lohner, M. A. Marsh, I. Volobouev, Paul Avery, G. C. Moneti, Vivek Sharma, J. Staeck, A. Smith, Kenneth Bloom, Yurii Maravin, L. P. Perera, E. I. Shibata, G. Eigen, D. W. Bliss, E. Johnson, S. Kotov, R. Janicek, Jungil Lee, R. M. Hans, S. Glenn, F. Li, M. Dickson, N. Menon, C. Qiao, D. G. Cassel, D. H. Miller, P. Gaidarev, I. Karliner, Z. Ling, I. P.J. Shipsey, S. E. Csorna, B. I. Eisenstein, N. Kwak, M. Bishai, R. Godang, T. Lee, M. Schmidtler, D. Y.J. Kim, K. Kinoshita, G. W. Brandenburg, S. Menary, D. Fujino, R. Mountain, P. I. Hopman, M. Sung, K. D. Fisher, D. Roberts, V. Shelkov, H. A. Cho, C.Y. Prescott, Jianqiao Ye, R. Poling, C. R. Ng, C. Darling, J. Fast, Michael S. Witherell, E. Gerndt, T. Bergfeld, G. Masek, Juliet Ritchie Patterson, Sacha E Kopp, M. S. Alam, R. Wanke, X. J. Zhou, M. Lattery, R. A. Briere, J. D. Richman, B. C. Barish, S. Roberts, B. E. Berger, J. Masui, Vivek Jain, P. S. Drell, R. Elia, K. Lingel, J. Ernst, J. J. O'Neill, D. Cinabro, B. Nemati, B. Gittelman, C. Ward, J. Gronberg, S.C. Timm, M. Chadha, Dj Lange, Anders Ryd, Sz Márka, Karl Berkelman, A. Efimov, and L. Gibbons
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Physics ,Quantum chromodynamics ,Baryon ,Particle physics ,Branching fraction ,Electron–positron annihilation ,Quark model ,General Physics and Astronomy ,B meson ,Cornell Electron Storage Ring - Abstract
Using data collected in the region of the Upsilon(4S) resonance with the CLEO II detector operating at the Cornell Electron Storage Ring CESR, we present the first observation of B mesons decaying into the charmed strange baryons Xi_c0 and Xi_c+. We find 79 +/- 27 Xi_c0 and 125 +/- 28 Xi_c+ candidates from B decays, leading to product branching fractions of BR(Bbar -> Xi_c0 X)BR(Xi_c0 -> Xi- pi+) = (0.144 +/- 0.048 +/- 0.021) x 10^-3 and BR(Bbar -> Xi_c+ X)BR(Xi_c+ -> Xi- pi+ pi+) = (0.453 +/- 0.096 +0.085-0.065) x 10^-3.
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- 1997
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26. First Observation ofτ→3πηντandτ→f1πντDecays
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J. Masui, L. P. Perera, J. S. Miller, Y. S. Gao, S. Menary, S. J. Patton, D. W. Bliss, H. Yamamoto, Sheldon Stone, Paul Avery, Yang Li, T. S. Hill, R. Ehrlich, S. Schrenk, Richard L. Greene, E. H. Thorndike, D. L. Kreinick, C. Bebek, Yanwen Liu, J. G. Smith, R. Wang, D. Cinabro, G. Masek, Juliet Ritchie Patterson, D. L. Hartill, D. Z. Besson, D. He, S. D. Johnson, M. Yurko, D. Coppage, E. I. Shibata, G. Bonvicini, Sacha E Kopp, D. S. Crowcroft, Alain Bellerive, Yurii Maravin, John E. Bartelt, D. J. Lange, Y. J. Kwon, Alexander Undrus, S. B. Anderson, R. M. Hans, J. P. Alexander, K. Lingel, T. E. Browder, R. Ammar, W. T. Ford, R. D. Kass, R. Balest, M. S. Alam, R. Wanke, B. Gittelman, Marina Artuso, I. C. Lai, S. Chan, J. D. Richman, June Hyuk Lee, X. J. Zhou, H. Marsiske, A. H. Mahmood, M. Ogg, C. P. Ward, F. Li, A. D. Foland, F. R. Wappler, V. Savinov, C. P. Jessop, Horst Severini, J. Staeck, W. R. Ross, S. Glenn, R. A. Briere, M. A. Marsh, J. Zheng, K. K. Gan, T. Skwarnicki, D. H. Miller, L. K. Gibbons, A. Anastassov, S. B. Athar, P. Pomianowski, G. E. Gladding, S. Kotov, B. C. Barish, Z. Ling, J. Urheim, B. Valant-Spaight, R. Davis, I. P. J. Shipsey, Erik A. Johnson, S. Schuh, Ilya Kravchenko, P. C. Kim, M. Goldberg, G. C. Moneti, Vivek Sharma, John Yelton, K. M. Ecklund, H. Kagan, C. P. O'Grady, Jayashree Roy, P. Gaidarev, M.A. Palmer, C. D. Jones, G. J. Zhou, J. J. Thaler, N. Hancock, M. B. Spencer, N. Kwak, R. S. Galik, B. Nemati, G. H. A. Viehhauser, V.G. Shelkov, J. W. Hinson, T. Hart, C.Y. Prescott, R. J. Morrison, Mats A Selen, S. Roberts, B. E. Berger, D. Y.J. Kim, M. Lohner, I. Narsky, M. Bishai, J. J. O'Neill, D. M. Coffman, J. L. Rodriguez, H. A. Cho, A. J. Sadoff, A. J.R. Weinstein, T. Riehle, B. K. Heltsley, Frank Würthwein, S. J. Lee, Jianqiao Ye, G. D. Gollin, P. S. Drell, N. B. Mistry, R. J. Wilson, Vipul Jain, S. Prell, E. Gerndt, C. Qiao, T. E. Coan, Vitaliy Fadeyev, K. Honscheid, D. B. MacFarlane, N. Menon, C. R. Ng, C. Darling, A. Soffer, S. W. Gray, J. Mevissen, I. Karliner, Michael S. Witherell, T. K. Nelson, Ryszard Stroynowski, D. Fujino, A. M. Smith, J. E. Duboscq, K. W. Edwards, M.K. Sung, P. I. Hopman, H. N. Nelson, J. Kandaswamy, T. Bergfeld, S. J. Richichi, A. Wolf, Igor Volobouev, M. M. Zoeller, J. A. Ernst, P. Skubic, Alexander Ershov, S. E. Csorna, M. Gao, J. Gronberg, H. P. Paar, K. Kinoshita, Ilya Korolkov, G. W. Brandenburg, E. Nordberg, G. S. Ludwig, D. Peterson, K. W. McLean, R. Godang, T. Lee, M. Schmidtler, R. Mountain, M. Dickson, D. G. Cassel, R. Poling, B. I. Eisenstein, Philip Baringer, Xiangjun Xing, B. H. Behrens, R. Janicek, Harold S. Park, Alice Bean, Kenneth Bloom, G. Eigen, S.C. Timm, M. Chadha, James E. Fast, D. Ugolini, D. A. Roberts, Anders Ryd, M. Athanas, Sz Márka, Robert K. Kutschke, Karl Berkelman, A. Efimov, D. Riley, S. Blinov, M. L. Perl, Yuichi Kubota, D. M. Asner, and P. M. Patel
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Combinatorics ,Physics ,General Physics and Astronomy ,Production (computer science) - Abstract
We have observed new channels for $\ensuremath{\tau}$ decays with an $\ensuremath{\eta}$ in the final state. We study 3-prong tau decays, using the $\ensuremath{\eta}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma}$ and $\ensuremath{\eta}\ensuremath{\rightarrow}3{\ensuremath{\pi}}^{0}$ decay modes and 1-prong decays with two ${\ensuremath{\pi}}^{0}$'s using the $\ensuremath{\eta}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma}$ channel. The measured branching fractions are $B({\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}\ensuremath{\eta}{\ensuremath{\nu}}_{\ensuremath{\tau}})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}({3.4}_{\ensuremath{-}0.5}^{+0.6}\ifmmode\pm\else\textpm\fi{}0.6)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$ and $B({\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}2{\ensuremath{\pi}}^{0}\ensuremath{\eta}{\ensuremath{\nu}}_{\ensuremath{\tau}})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(1.4\ifmmode\pm\else\textpm\fi{}0.6\ifmmode\pm\else\textpm\fi{}0.3)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$. We observe clear evidence for ${f}_{1}\ensuremath{\rightarrow}\ensuremath{\eta}\ensuremath{\pi}\ensuremath{\pi}$ substructure and measure $B({\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{f}_{1}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\nu}}_{\ensuremath{\tau}})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}({5.8}_{\ensuremath{-}1.3}^{+1.4}\ifmmode\pm\else\textpm\fi{}1.8)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$. We have also searched for ${\ensuremath{\eta}}^{\ensuremath{'}}(958)$ production and obtain 90% C.L. upper limits $B({\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\eta}}^{\ensuremath{'}}{\ensuremath{\nu}}_{\ensuremath{\tau}})l7.4\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}$ and $B({\ensuremath{\tau}}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{0}{\ensuremath{\eta}}^{\ensuremath{'}}{\ensuremath{\nu}}_{\ensuremath{\tau}})l8.0\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}$.
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- 1997
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27. Observation of the DecayDs+→ωπ+
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D. He, A. Undrus, R. M. Hans, T. Hart, S. Schuh, Harold S. Park, Alice Bean, J. Masui, R. Kutschke, Daniel W. Bliss, Kenneth Bloom, N. Katayama, G. Eigen, T. E. Coan, D. B. MacFarlane, J. Mevissen, T. Riehle, A. J. Weinstein, Tomasz Skwarnicki, Y. Kwon, F. Li, Z. Ling, I. P.J. Shipsey, P. S. Drell, R. Ammar, D. Z. Besson, H. N. Nelson, M. Dickson, R. Elia, M. B. Spencer, I. C. Lai, Richard Wilson, H. Severini, S. Chan, J. Kandaswamy, Vivek Jain, S. Kotov, R. Janicek, D. M. Coffman, J. Roy, S. J. Richichi, B. H. Behrens, K. Lingel, S. E. Csorna, W. T. Ford, C. O'Grady, R. D. Kass, Ryszard Stroynowski, D. Ugolini, C. Qiao, C. Ward, I. Narsky, R. Balest, M. A. Marsh, J. S. Miller, J. Ernst, P. Skubic, B. K. Heltsley, A. H. Mahmood, S. J. Lee, D. Y.J. Kim, M. Athanas, R. Godang, S. W. Gray, G. D. Gollin, J. Gronberg, S.C. Timm, P. Rankin, M. Chadha, Richard L. Greene, E. H. Thorndike, K. W. McLean, K. Kinoshita, J. Zheng, T. Lee, M. Schmidtler, G. W. Brandenburg, K. K. Gan, D. Peterson, Y. S. Gao, Sheldon Stone, G. J. Zhou, C.Y. Prescott, Paul Avery, J. D. Richman, Alain Bellerive, G. E. Gladding, S. Patton, P. C. Kim, J. J. Thaler, D. Coppage, G. Bonvicini, K. D. Fisher, C. Bebek, J. P. Alexander, K. Honscheid, Dj Lange, Sacha E Kopp, M. S. Alam, R. Wanke, D. H. Miller, Yurii Maravin, F. Frasconi, M. Goldberg, R. Mountain, G. C. Moneti, Y. Li, P. M. Patel, K. M. Ecklund, Vivek Sharma, Jungil Lee, P. Gaidarev, W. R. Ross, S. Schrenk, J. J. O'Neill, G. Masek, Juliet Ritchie Patterson, T. S. Hill, A. Smith, S.F. Schaffner, D. Riley, Yanwen Liu, J. G. Smith, C. P. Jessop, N. Menon, Jianqiao Ye, Anders Ryd, J. E. Duboscq, K. W. Edwards, D. G. Cassel, D. L. Kreinick, S. Blinov, M. Lohner, D. M. Asner, B. C. Barish, R. Ehrlich, S. D. Johnson, M. Gao, S. Prell, H. P. Paar, Sz Márka, M. Lattery, L. P. Perera, D. Cinabro, B. Nemati, T. E. Browder, J. Bartelt, R. Fulton, A. Anastassov, I. Korolkov, I. Volobouev, B. Gittelman, N. Kwak, X. J. Zhou, W. S. Brower, M. Bishai, I. Karliner, P. Pomianowski, M. L. Perl, R. A. Briere, E. Nordberg, E. I. Shibata, Yuichi Kubota, P. I. Hopman, M. Sung, G. S. Ludwig, A. D. Foland, S. Roberts, B. I. Eisenstein, Ilya Kravchenko, C. D. Jones, D. Roberts, Michael Wood, S. Menary, D. Fujino, E. Johnson, V. Savinov, J. Staeck, H. A. Cho, Karl Berkelman, A. Efimov, J. Fast, J. W. Hinson, M. Yurko, V. Shelkov, L. Gibbons, R. Poling, B. E. Berger, C. R. Ng, C. Darling, Michael S. Witherell, E. Gerndt, Philip Baringer, Xiangjun Xing, T. Bergfeld, M. Ogg, R. Davis, J. L. Rodriguez, Frank Würthwein, G. Viehhauser, K. Cho, N. B. Mistry, T. K. Nelson, M. M. Zoeller, Marina Artuso, A. Wolf, N. Hancock, S. B. Athar, J. Urheim, John Yelton, D. L. Hartill, A. Soffer, S. Anderson, D. S. Crowcroft, F. R. Wappler, H. Kagan, R. J. Morrison, Mats A Selen, A. J. Sadoff, H. Marsiske, V. Fadeyev, M.A. Palmer, H. Yamamoto, and R. Wang
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Physics ,Annihilation ,Branching fraction ,TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY ,Ionization ,G-parity ,General Physics and Astronomy ,State (functional analysis) ,Atomic physics ,Omega - Abstract
Using e{sup +}e{sup {minus}} annihilation data collected by the CLEOII detector at CESR, we have observed the decay D{sup +}{sub s}{r_arrow}{omega}{pi}{sup +} . This final state may be produced through the annihilation decay of the D{sup +}{sub s} , or through final state interactions. We find a branching ratio of {Gamma}(D{sup +}{sub s}{r_arrow}{omega}{pi}{sup +})/{Gamma}(D{sup +}{sub s}{r_arrow} {eta}{pi}{sup +})=0.16{plus_minus}0.04{plus_minus}0 .03 , where the first error is statistical and the second is systematic. {copyright} {ital 1997} {ital The American Physical Society}
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- 1997
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28. Search for NeutrinolessτDecays Involvingπ0orηMesons
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C. Ward, J. Gronberg, S.C. Timm, Jungil Lee, H. Kagan, M. Chadha, R. Mountain, M. Ogg, R. Davis, C.Y. Prescott, Dj Lange, D. M. Coffman, Z. Ling, I. P.J. Shipsey, A. Undrus, N. Menon, M. Gao, B. K. Heltsley, Jianqiao Ye, Alain Bellerive, R. J. Morrison, Mats A Selen, L. P. Perera, M. B. Spencer, S. J. Lee, A. J. Sadoff, G. D. Gollin, H. P. Paar, J. S. Miller, Y. Li, P. M. Patel, D. G. Cassel, Y. S. Gao, C. Bebek, D. Y.J. Kim, I. Narsky, A. D. Foland, V. Savinov, Karl Berkelman, Marina Artuso, D. L. Kreinick, M.A. Palmer, G. Masek, E. Nordberg, A. Efimov, M. Yurko, Richard Wilson, Philip Baringer, J. Fast, Juliet Ritchie Patterson, N. Kwak, T. E. Browder, L. Gibbons, I. Karliner, Y. Kwon, K. D. Fisher, Xiangjun Xing, G. S. Ludwig, John Yelton, Anders Ryd, K. Honscheid, M. Bishai, A. H. Mahmood, Sz Márka, F. Frasconi, D. Z. Besson, W. S. Brower, E. Gerndt, T. K. Nelson, B. I. Eisenstein, X. J. Zhou, T. S. Hill, R. Ehrlich, H. Marsiske, R. A. Briere, R. M. Hans, J. Roy, B. H. Behrens, Ryszard Stroynowski, G. J. Zhou, K. W. McLean, D. L. Hartill, A. Soffer, S. Anderson, J. E. Duboscq, K. W. Edwards, P. Pomianowski, V. Fadeyev, M. M. Zoeller, D. Riley, P. Rankin, D. S. Crowcroft, A. Anastassov, J. Urheim, H. A. Cho, S. Blinov, D. M. Asner, I. Korolkov, G. E. Gladding, J. J. O'Neill, B. Valant-Spaight, J. J. Thaler, S. Patton, S. Glenn, T. Bergfeld, E. I. Shibata, F. Li, J. Bartelt, D. Cinabro, S. Roberts, D. He, B. Nemati, R. Poling, B. Gittelman, H. Yamamoto, Ilya Kravchenko, K. M. Ecklund, F. R. Wappler, S. Menary, D. Fujino, C. R. Ng, C. Darling, E. Johnson, R. Wang, C. D. Jones, B. E. Berger, M. L. Perl, M. Lohner, J. Staeck, Michael Wood, Yuichi Kubota, J. Zheng, Michael S. Witherell, K. K. Gan, T. E. Coan, D. B. MacFarlane, A. J. Weinstein, J. W. Hinson, Tomasz Skwarnicki, P. C. Kim, H. N. Nelson, M. Goldberg, V. Shelkov, G. C. Moneti, A. Wolf, J. Masui, P. Skubic, S. J. Richichi, Vivek Sharma, A. Smith, P. S. Drell, R. Elia, K. Lingel, R. Ammar, Vivek Jain, N. Hancock, J. Ernst, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, S. B. Athar, S. D. Johnson, I. C. Lai, H. Severini, S. Chan, S. Prell, J. D. Richman, B. C. Barish, T. Hart, C. O'Grady, Sacha E Kopp, M. S. Alam, R. Wanke, J. L. Rodriguez, T. Riehle, M. A. Marsh, D. Ugolini, S. W. Gray, Frank Würthwein, G. Viehhauser, K. Cho, M. Lattery, N. B. Mistry, D. H. Miller, P. Gaidarev, J. Mevissen, J. Kandaswamy, M. Athanas, D. Peterson, W. R. Ross, P. I. Hopman, I. Volobouev, M. Sung, D. Roberts, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, Daniel W. Bliss, Kenneth Bloom, G. Eigen, Sheldon Stone, Paul Avery, S. Kotov, Yurii Maravin, R. Janicek, S. Schuh, W. T. Ford, Harold S. Park, R. D. Kass, R. Balest, Alice Bean, R. Kutschke, Richard L. Greene, E. H. Thorndike, D. Coppage, G. Bonvicini, J. P. Alexander, R. S. Galik, M. Dickson, C. Qiao, R. Godang, T. Lee, and M. Schmidtler
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Semileptonic decay ,Physics ,Particle physics ,Muon ,Meson ,Branching fraction ,High Energy Physics::Phenomenology ,General Physics and Astronomy ,Lepton number ,Nuclear physics ,High Energy Physics::Experiment ,Neutrino ,Cornell Electron Storage Ring ,Lepton - Abstract
We have searched for lepton flavor violating decays of the {tau} lepton using final states with an electron or a muon and one or two {pi}{sup 0} or {eta} mesons but no neutrinos. The data used in the search were collected with the CLEO II detector at the Cornell Electron Storage Ring (CESR) and correspond to an integrated luminosity of 4.68 fb{sup {minus}1} . No evidence for signals was found, resulting in much improved limits on the branching fractions for the one-meson modes and the first upper limits for the two-meson modes. {copyright} {ital 1997} {ital The American Physical Society}
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- 1997
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29. Mixed Dimensionality of Confined Conducting Electrons in the Surface Region ofSrTiO3
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Marco Salluzzo, Ming Shi, Hubert Ebert, Martin Månsson, Jan Minár, M. Schulte, Nicholas C. Plumb, Milan Radovic, K. J. Zhou, Jürgen Braun, L. Patthey, Bernard Delley, J. Krempasky, C. E. Matt, Johan Juul Chang, Elia Razzoli, M. Falub, Thorsten Schmitt, and Joël Mesot
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Surface (mathematics) ,Physics ,Condensed Matter - Materials Science ,Condensed matter physics ,Photoemission spectroscopy ,Doping ,Materials Science (cond-mat.mtrl-sci) ,FOS: Physical sciences ,General Physics and Astronomy ,Fermi surface ,02 engineering and technology ,Electron ,021001 nanoscience & nanotechnology ,01 natural sciences ,Metal ,Surface conductivity ,Atomic orbital ,visual_art ,0103 physical sciences ,visual_art.visual_art_medium ,010306 general physics ,0210 nano-technology - Abstract
Using angle-resolved photoemission spectroscopy, we show that the recently-discovered surface state on SrTiO$_{3}$ consists of non-degenerate $t_{2g}$ states with different dimensional characters. While the $d_{xy}$ bands have quasi-2D dispersions with weak $k_{z}$ dependence, the lifted $d_{xz}$/$d_{yz}$ bands show 3D dispersions that differ significantly from bulk expectations and signal that electrons associated with those orbitals permeate the near-surface region. Like their more 2D counterparts, the size and character of the $d_{xz}$/$d_{yz}$ Fermi surface components are essentially the same for different sample preparations. Irradiating SrTiO$_{3}$ in ultrahigh vacuum is one method observed so far to induce the "universal" surface metallic state. We reveal that during this process, changes in the oxygen valence band spectral weight that coincide with the emergence of surface conductivity are disproportionate to any change in the total intensity of the O $1s$ core level spectrum. This signifies that the formation of the metallic surface goes beyond a straightforward chemical doping scenario and occurs in conjunction with profound changes in the initial states and/or spatial distribution of near-$E_{F}$ electrons in the surface region., Comment: Main text plus supplemental material. Total of 12 pages, 9 figures, 2 tables
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30. Bounds on theCPAsymmetry in Like-Sign Dileptons fromB0B¯0Meson Decays
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T. Hart, S. P. Pappas, M.A. Palmer, T. Riehle, C. Bebek, E. Eckhart, K. K. Gan, J. Urheim, J. E. Duboscq, L. K. Gibbons, V. V. Frolov, G. J. Zhou, T. Wlodek, S. W. Gray, F. Blanc, G. E. Gladding, D. Riley, A. Smith, K. M. Ecklund, C. D. Jones, D. E. Jaffe, A. L. Lyon, B. E. Berger, G. P. Chen, H. Stoeck, G. Masek, R. A. Briere, Juliet Ritchie Patterson, J. W. Hinson, Sacha E Kopp, Hans J. Vogel, L. Ling, M. Dubrovin, M. S. Alam, T. E. Coan, D. L. Kreinick, I. P.J. Shipsey, E. Dambasuren, Jing Wang, G. Majumder, A. Ershov, S. Schuh, Horst Severini, R. M. Hans, A. J. Weinstein, Tomasz Skwarnicki, T. S. Hill, R. Ehrlich, T. O. Meyer, D. H. Miller, Daniel P Cronin-Hennessy, J. J. Thaler, V. Savinov, J. Kandaswamy, Y. S. Gao, S. J. Richichi, Sheldon Stone, W. M. Sun, Ryszard Stroynowski, P. Gaidarev, Paul Avery, Andreas Warburton, M. Kostin, D. Y.J. Kim, I. Danko, D. Peterson, Alice Bean, Yuichi Kubota, Karl Berkelman, T. K. Pedlar, K. W. McLean, R. Poling, V. Fadeyev, Jason Sang Hun Lee, M. Saleem, V. Pavlunin, D. Hufnagel, B. Valant-Spaight, V. Boisvert, A. Eppich, M. M. Zoeller, H. P. Paar, A. Shapiro, X. Zhao, D. Z. Besson, A. Bornheim, A. Wolf, G. Viehhauser, A. I. Rubiera, R. D. Kass, B. K. Heltsley, C. Sedlack, E. H. Thorndike, N. B. Mistry, J. Williams, E. Lipeles, S. J. Lee, John Yelton, G. D. Gollin, S.C. Timm, Richard Wilson, A. Gritsan, G. Bonvicini, R. Ammar, Jiejun Wu, Yurii Maravin, D. L. Hartill, J. P. Alexander, E. Nordberg, C. Boulahouache, W. Park, C. Plager, S. Anderson, S. B. Athar, P. Skubic, S. McGee, R. Mahapatra, A. Magerkurth, F. R. Wappler, J. B. Thayer, D. Urner, H. Kagan, Z. Xu, E. I. Shibata, S. E. Csorna, R. Janicek, E. Johnson, R. J. Morrison, Mats A Selen, A. Undrus, A. J. Sadoff, L. Jian, S. Ahmed, D. M. Asner, Marina Artuso, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, G. W. Brandenburg, M. A. Marsh, P. I. Hopman, C. J. Stepaniak, R. Godang, M. Schmidtler, R. Mountain, A. Romano, Shuai Chen, A. Anastassov, R. Baker, L. Hsu, K. Honscheid, K. W. Edwards, E. von Toerne, J. J. O'Neill, K. Bukin, C.Y. Prescott, D. G. Cassel, Jianqiao Ye, I. Narsky, A. H. Mahmood, T. Bergfeld, D. Cinabro, J. Fast, H. Schwarthoff, I. Karliner, B. I. Eisenstein, B. Gittelman, P. S. Drell, Thomas Ferguson, and J. Ernst
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Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Electron–positron annihilation ,media_common.quotation_subject ,General Physics and Astronomy ,Absolute value ,Charge (physics) ,01 natural sciences ,Asymmetry ,0103 physical sciences ,CP violation ,Cornell Electron Storage Ring ,010306 general physics ,media_common ,Sign (mathematics) - Abstract
We have measured the charge asymmetry in like-sign dilepton yields from B(0)B*(0) meson decays using the CLEO detector at the Cornell Electron Storage Ring. We find a(0)(ll) identical with[N(l(+)l(+))-N(l(-)l(-))]/[N(l(+)l(+))+N(l(-)l(-))] = +0.013+/-0.050+/-0.005. We combine this result with a previous, independent measurement and obtain Re(epsilon(B))/(1+ the absolute value of epsilon(B)(2)) = +0.0035+/-0.0103+/-0.0015 (uncertainties are statistical and systematic, respectively) for the CP impurity parameter, epsilon(B).
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- 2001
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31. Observation of New States Decaying intoΛc+π−π+
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T. E. Coan, A. J. Weinstein, Tomasz Skwarnicki, T. Hart, T. Riehle, S. W. Gray, S. Karamov, D. Cinabro, S. Prell, G. P. Chen, B. Gittelman, K. Bukin, H. Stoeck, S. J. Richichi, W. M. Sun, E. Dambasuren, R. A. Briere, D. E. Jaffe, Z. Xu, Ryszard Stroynowski, J. W. Hinson, V. Savinov, Jing Wang, G. Majumder, A. Smith, D. Riley, D. Z. Besson, M. Kostin, S. Schuh, S. P. Pappas, C. Bebek, I. Narsky, Sacha E Kopp, A. Undrus, H. P. Paar, D. Y.J. Kim, X. Zhao, E. Eckhart, A. Wolf, L. Ling, M. Dubrovin, D. H. Miller, M. S. Alam, John Yelton, R. Mahapatra, J. Fast, H. Schwarthoff, K. K. Gan, P. Gaidarev, L. K. Gibbons, V. V. Frolov, A. Ershov, S.C. Timm, T. Wlodek, J. Ernst, I. Danko, R. M. Hans, Yurii Maravin, T. K. Pedlar, Daniel P Cronin-Hennessy, A. Shapiro, D. L. Hartill, C. Plager, S. Anderson, J. J. Thaler, C. J. Stepaniak, Ian Shipsey, Yuichi Kubota, Persis S. Drell, Alice Bean, Jason Sang Hun Lee, C.Y. Prescott, V. Boisvert, E. H. Thorndike, E. von Toerne, A. Magerkurth, E. Nordberg, R. Godang, Andreas Warburton, J. Kandaswamy, M. Schmidtler, G. Bonvicini, J. P. Alexander, J. J. O'Neill, S. Ahmed, A. Eppich, C. Sedlack, S. E. Csorna, F. R. Wappler, J. B. Thayer, Jianqiao Ye, R. S. Galik, R. Ammar, D. Hufnagel, Jiejun Wu, D. Peterson, H. Kagan, S. B. Athar, K. W. McLean, R. Mountain, D. M. Asner, L. Jian, P. Skubic, C. Gwon, Karl Berkelman, M. Lohner, J. Urheim, M. Saleem, P. M. Patel, A. Romano, J. G. Thayer, M. A. Marsh, G. W. Brandenburg, Marina Artuso, D. G. Cassel, F. Würthwein, R. J. Morrison, Mats A Selen, C. Boulahouache, S. McGee, A. I. Rubiera, R. D. Kass, A. H. Mahmood, A. J. Sadoff, G. J. Zhou, V. Fadeyev, Richard Wilson, A. Gritsan, G. C. Moneti, R. Ayad, G. Viehhauser, K. W. Edwards, I. Karliner, E. M. Potter, P. I. Hopman, D. Urner, E. I. Shibata, C. D. Jones, N. B. Mistry, B. Valant-Spaight, B. I. Eisenstein, E. Johnson, Sheldon Stone, B. E. Berger, Paul Avery, M.A. Palmer, R. Janicek, M. M. Zoeller, Y. S. Gao, T. Bergfeld, A. D. Foland, J. E. Duboscq, Shuai Chen, A. Anastassov, R. Baker, J. Williams, L. Hsu, T. S. Hill, R. Ehrlich, K. Honscheid, G. Masek, Juliet Ritchie Patterson, Horst Severini, F. Blanc, G. E. Gladding, R. Poling, V. Pavlunin, K. M. Ecklund, A. L. Lyon, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, D. L. Kreinick, and T. O. Meyer
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Physics ,Particle physics ,010308 nuclear & particles physics ,Electron–positron annihilation ,Nuclear Theory ,High Energy Physics::Phenomenology ,General Physics and Astronomy ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Lambda ,01 natural sciences ,Nuclear physics ,Baryon ,Charmed baryons ,Particle decay ,0103 physical sciences ,Pi ,High Energy Physics::Experiment ,Invariant mass ,Cornell Electron Storage Ring ,Nuclear Experiment ,010306 general physics - Abstract
The spectrum of charmed baryons consisting of a charmed quark and two light quarks denoted by Ac and σc baryons were investigated. The sample used in the investigation corresponds to an integrated luminosity 13.7/fb from the data taken on the Y(4S) resonance and in the continuum at energies just below the Y(4S). A broad state with an invariant mass roughly above 480 MeV above that of the Ac baryon and a narrow state with an invariant mass of 596 MeV above the Ac mass were found.
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- 2001
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32. Evidence of New States Decaying intoΞc*π
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S. E. Csorna, I. Danko, K. W. McLean, Z. Xu, R. Godang, G. Bonvicini, D. Cinabro, M. Dubrovin, S. McGee, G. J. Zhou, A. Bornheim, E. Lipeles, S. P. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, D. E. Jaffe, G. Masek, H. P. Paar, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, R. A. Briere, G. P. Chen, T. Ferguson, H. Vogel, A. Gritsan, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, D. Riley, A. Romano, J. G. Thayer, D. Urner, B. Valant-Spaight, G. Viehhauser, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, H. Stoeck, J. Yelton, G. Brandenburg, A. Ershov, D. Y.-J. Kim, R. Wilson, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, C. J. Stepaniak, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, M. Saleem, S. Timm, F. Wappler, A. Anastassov, E. Eckhart, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, V. Savinov, S. Chen, J. Fast, J. W. Hinson, J. Lee, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, A. L. Lyon, E. H. Thorndike, T. E. Coan, V. Fadeyev, Y. S. Gao, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, J. C. Wang, A. Wolf, J. Wu, S. Kopp, M. Kostin, and A. H. Mahmood
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Physics ,Particle physics ,010308 nuclear & particles physics ,Electron–positron annihilation ,General Physics and Astronomy ,Lambda ,01 natural sciences ,Measure (mathematics) ,Prime (order theory) ,3. Good health ,Nuclear physics ,Charmed baryons ,Isospin ,0103 physical sciences ,Pi ,010306 general physics - Abstract
Using 13.7 $fb^{-1}$ of data recorded by the CLEO detector at CESR, we report evidence for two new charmed baryons: one decaying into $\Xi_c^{0 \prime}\pi^+$ with the subsequent decay $\Xi_c^{0 \prime} \to \Xi_c^0 \gamma$, and its isospin partner decaying into $\Xi_c^{+ \prime} \pi^-$ followed by $\Xi_c^{+\prime} \to \Xi_c^+\gamma$. We measure the following mass differences for the two states: $M(\Xi_c^0 \gamma \pi^+)-M(\Xi_c^0)$=318.2+-1.3+-2.9 MeV, and $M(\Xi_c^+ \gamma \pi^-)-M(\Xi_c^+)$=324.0+-1.3+-3.0 MeV. We interpret these new states as the $J^P = 1/2^- \Xi_{c1}$ particles, the charmed-strange analogs of the $\Lambda_{c1}^+(2593)$.
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- 2001
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33. Observation of theΩc0Charmed Baryon at CLEO
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R. M. Hans, X. Zhao, J. Fast, H. Schwarthoff, L. K. Gibbons, V. V. Frolov, S. Prell, Shuai Chen, A. Anastassov, R. Baker, T. E. Coan, Andreas Warburton, A. J. Weinstein, Tomasz Skwarnicki, S. P. Pappas, R. Janicek, C. Bebek, K. Bukin, E. Eckhart, I. Narsky, D. Riley, E. H. Thorndike, S. J. Richichi, L. Hsu, T. O. Meyer, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, K. Honscheid, T. Wlodek, G. Bonvicini, J. P. Alexander, K. K. Gan, J. Kandaswamy, M. Dubrovin, K. W. Edwards, G. P. Chen, H. Stoeck, Yurii Maravin, M.A. Palmer, R. A. Briere, T. Bergfeld, T. S. Hill, R. Ehrlich, V. Savinov, D. Z. Besson, R. S. Galik, G. C. Moneti, D. Peterson, K. W. McLean, Yuichi Kubota, F. Würthwein, G. J. Zhou, I. Danko, D. L. Kreinick, A. Smith, T. K. Pedlar, W. M. Sun, Richard Wilson, A. Gritsan, J. W. Hinson, Ryszard Stroynowski, C.Y. Prescott, T. Hart, S. Schuh, L. Jian, C. J. Stepaniak, H. P. Paar, Jianqiao Ye, Marina Artuso, T. Riehle, G. Viehhauser, A. D. Foland, Alice Bean, Jason Sang Hun Lee, N. B. Mistry, V. Boisvert, A. Eppich, E. Nordberg, R. Ammar, J. Williams, S. W. Gray, S. Karamov, D. M. Asner, C. Gwon, M. Lohner, P. M. Patel, J. G. Thayer, Sheldon Stone, Paul Avery, M. A. Marsh, A. I. Rubiera, R. D. Kass, V. Fadeyev, L. Ling, A. Ershov, B. Valant-Spaight, S. E. Csorna, F. Blanc, G. E. Gladding, K. M. Ecklund, A. L. Lyon, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, P. Gaidarev, R. Ayad, E. M. Potter, P. I. Hopman, Z. Xu, A. Undrus, Karl Berkelman, M. Saleem, S.C. Timm, J. E. Duboscq, Sacha E Kopp, M. S. Alam, Daniel P Cronin-Hennessy, P. S. Drell, J. Ernst, E. von Toerne, J. J. O'Neill, D. Cinabro, B. Gittelman, S. Ahmed, C. Sedlack, Jiejun Wu, P. Skubic, D. E. Jaffe, Y. S. Gao, H. Kagan, C. D. Jones, R. J. Morrison, D. G. Cassel, Mats A Selen, A. J. Sadoff, B. E. Berger, D. L. Hartill, A. H. Mahmood, C. Plager, S. Anderson, I. Karliner, A. Magerkurth, B. I. Eisenstein, R. Godang, M. Schmidtler, F. R. Wappler, C. Boulahouache, J. B. Thayer, S. McGee, R. Mountain, A. Romano, John Yelton, R. Mahapatra, D. Hufnagel, D. Urner, E. I. Shibata, E. Johnson, G. Masek, Juliet Ritchie Patterson, Horst Severini, R. Poling, V. Pavlunin, A. Shapiro, I. P.J. Shipsey, M. Kostin, D. Y.J. Kim, A. Wolf, S. B. Athar, M. M. Zoeller, J. Urheim, and Jon J Thaler
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Physics ,Particle physics ,010308 nuclear & particles physics ,General Physics and Astronomy ,7. Clean energy ,01 natural sciences ,Omega ,law.invention ,Baryon ,Nuclear physics ,law ,0103 physical sciences ,Pi ,010306 general physics ,Ground state ,Collider - Abstract
The CLEO experiment at the CESR collider has used 13.7 fb(-1) of data to search for the production of the Omega(0)(c) (css ground state) in e(+)e(-) collisions at square root of (s) approximately 10.6 GeV. The modes used to study the Omega(0)(c) are Omega(-)pi(+), Omega(-)pi(+)pi(0), Xi-K-pi(+)pi(+), Xi0K-pi(+), and Omega(-)pi(+)pi(+)pi(-). We observe a signal of 40.4+/-9.0(stat) events at a mass of 2694.6+/-2.6(stat)+/-1.9(syst) MeV/c(2), for all modes combined.
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34. Observation ofB→φKandB→φK*
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I. P.J. Shipsey, G. P. Chen, H. Stoeck, R. A. Briere, J. E. Duboscq, F. Blanc, J. Urheim, G. E. Gladding, Yurii Maravin, C. Boulahouache, J. W. Hinson, K. M. Ecklund, S. McGee, M. Kostin, D. Y.J. Kim, A. L. Lyon, Hans J. Vogel, T. O. Meyer, I. Danko, J. J. Thaler, T. K. Pedlar, X. Zhao, T. Hart, W. M. Sun, T. Riehle, S. W. Gray, Ryszard Stroynowski, D. Z. Besson, R. Poling, S. Schuh, T. S. Hill, R. Ehrlich, D. Urner, E. I. Shibata, V. Pavlunin, S.C. Timm, A. Wolf, L. Jian, B. K. Heltsley, C. J. Stepaniak, K. K. Gan, E. Dambasuren, Sacha E Kopp, E. H. Thorndike, E. Lipeles, S. J. Lee, Sheldon Stone, E. Johnson, M. S. Alam, G. D. Gollin, Marina Artuso, Paul Avery, Jing Wang, Alice Bean, G. Bonvicini, J. P. Alexander, J. Kandaswamy, G. Masek, Juliet Ritchie Patterson, Daniel P Cronin-Hennessy, Jason Sang Hun Lee, G. Majumder, S. B. Athar, V. Boisvert, D. L. Kreinick, L. K. Gibbons, V. V. Frolov, G. J. Zhou, A. Eppich, C. D. Jones, Horst Severini, D. H. Miller, D. Hufnagel, V. Fadeyev, Z. Xu, M. M. Zoeller, R. M. Hans, B. E. Berger, A. I. Rubiera, Adolf Bornheim, V. Savinov, R. D. Kass, B. Valant-Spaight, R. Janicek, C. Sedlack, John Yelton, M.A. Palmer, D. M. Asner, D. Peterson, J. Williams, R. Ammar, A. Undrus, C. Gwon, M. Lohner, H. P. Paar, H. Kagan, K. W. McLean, P. M. Patel, Jiejun Wu, J. G. Thayer, A. Shapiro, P. Skubic, E. Nordberg, M. A. Marsh, P. Gaidarev, D. E. Jaffe, T. E. Coan, A. J. Weinstein, Andreas Warburton, Tomasz Skwarnicki, Karl Berkelman, S. J. Richichi, M. Saleem, R. J. Morrison, Mats A Selen, A. J. Sadoff, D. L. Hartill, C. Plager, S. Anderson, A. Smith, L. Ling, A. Magerkurth, A. Ershov, F. R. Wappler, J. B. Thayer, Richard Wilson, A. Gritsan, S. Ahmed, G. Viehhauser, K. Bukin, N. B. Mistry, S. E. Csorna, E. von Toerne, J. J. O'Neill, Y. S. Gao, G. W. Brandenburg, R. Mahapatra, P. S. Drell, D. Riley, I. Narsky, Thomas Ferguson, P. I. Hopman, M. Dubrovin, J. Ernst, Shuai Chen, A. Anastassov, D. Cinabro, R. Baker, Yuichi Kubota, B. Gittelman, D. G. Cassel, A. H. Mahmood, L. Hsu, I. Karliner, K. Honscheid, B. I. Eisenstein, R. Godang, M. Schmidtler, K. W. Edwards, T. Bergfeld, R. Mountain, S. P. Pappas, C. Bebek, E. Eckhart, A. Romano, C.Y. Prescott, T. Wlodek, Jianqiao Ye, J. Fast, and H. Schwarthoff
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Physics ,Particle physics ,010308 nuclear & particles physics ,0103 physical sciences ,Hadron ,General Physics and Astronomy ,B meson ,010306 general physics ,01 natural sciences - Abstract
We have studied two-body charmless hadronic decays of B mesons into the final states straight phiK and phiK(*). Using 9.7 million BB pairs collected with the CLEO II detector, we observe the decays B- --> phiK- and B0--> phiK(*0) with the following branching fractions: B(B--->phiK-) = (5.5(+2.1)(-1.8)+/-0.6)x10(-6) and B(B0--> phiK(*0)) = (11.5(+4.5+1.8)(-3.7-1.7))x10(-6). We also see evidence for the decays B0-->phiK0 and B---> phiK(*-). However, since the statistical significance is not overwhelming for these modes, we determine upper limits of
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35. Search forB→τνandB→Kνν¯
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A. J. Weinstein, Tomasz Skwarnicki, S. J. Richichi, Y. S. Gao, R. Poling, V. Pavlunin, D. E. Jaffe, R. Ammar, K. Honscheid, D. L. Kreinick, S. Schuh, G. Masek, T. Hart, I. C. Lai, J. E. Duboscq, Juliet Ritchie Patterson, S. P. Pappas, C. Bebek, E. Eckhart, R. Godang, M. Schmidtler, H. P. Paar, K. Bukin, Richard Wilson, A. Gritsan, Horst Severini, G. C. Moneti, E. Dambasuren, Alice Bean, Jing Wang, G. Majumder, P. G. Thies, M. A. Marsh, Jason Sang Hun Lee, A. Shapiro, I. P.J. Shipsey, R. Mountain, N. Kwak, S. Ahmed, L. P. Perera, D. Urner, E. I. Shibata, T. O. Meyer, T. Riehle, T. S. Hill, X. Zhao, Z. Xu, E. Nordberg, V. Boisvert, A. Eppich, R. Ehrlich, D. G. Cassel, D. H. Miller, I. Narsky, R. Davis, D. Ugolini, A. Wolf, C. J. Stepaniak, Sz Márka, D. Y.J. Kim, E. Johnson, F. Würthwein, S. W. Gray, D. L. Hartill, C. Plager, S. Anderson, S. Karamov, G. J. Zhou, D. M. Asner, A. H. Mahmood, Shuai Chen, A. Anastassov, C. Gwon, M. Lohner, P. M. Patel, T. Wlodek, J. G. Thayer, R. Baker, P. Gaidarev, V. Savinov, R. Janicek, L. K. Gibbons, V. V. Frolov, I. Karliner, D. Riley, F. Blanc, R. A. Briere, A. Undrus, D. Z. Besson, A. Magerkurth, G. E. Gladding, C. Boulahouache, B. I. Eisenstein, A. D. Foland, J. J. Thaler, L. Jian, C. Sedlack, S. McGee, M. L. Perl, K. K. Gan, Marina Artuso, Yuichi Kubota, J. W. Hinson, Sacha E Kopp, K. M. Ecklund, A. L. Lyon, M. S. Alam, Jiejun Wu, M.A. Palmer, P. Skubic, E. von Toerne, S.C. Timm, J. J. O'Neill, R. Ayad, R. M. Hans, B. H. Behrens, E. M. Potter, Daniel P Cronin-Hennessy, F. R. Wappler, S. Schrenk, J. G. Smith, Y. Li, C. P. Jessop, P. I. Hopman, J. Roy, J. B. Thayer, D. Hufnagel, S. Prell, W. M. Sun, Ryszard Stroynowski, H. Kagan, S. B. Athar, H. Marsiske, J. Urheim, B. K. Heltsley, S. E. Csorna, E. Lipeles, J. Williams, Andreas Warburton, S. J. Lee, V. Fadeyev, G. D. Gollin, H. Yamamoto, J. Zheng, K. Kinoshita, C. D. Jones, R. J. Morrison, G. W. Brandenburg, B. Valant-Spaight, Mats A Selen, A. J. Sadoff, John Yelton, R. Mahapatra, B. E. Berger, P. S. Drell, Vivek Sharma, T. E. Browder, Karl Berkelman, A. Smith, M. Saleem, Thomas Ferguson, Hans J. Vogel, J. Ernst, D. Cinabro, L. Ling, B. Gittelman, J. L. Rodriguez, A. Ershov, Sheldon Stone, Paul Avery, M. M. Zoeller, W. T. Ford, A. I. Rubiera, R. D. Kass, Yurii Maravin, E. H. Thorndike, G. Bonvicini, J. P. Alexander, D. Peterson, K. W. McLean, Xingjiang Zhou, I. Danko, M. Dickson, T. K. Pedlar, G. Viehhauser, N. B. Mistry, C.Y. Prescott, Jianqiao Ye, J. Fast, H. Schwarthoff, K. W. Edwards, T. Bergfeld, and T. E. Coan
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Physics ,Particle physics ,010308 nuclear & particles physics ,Branching fraction ,0103 physical sciences ,General Physics and Astronomy ,B meson ,Limit (mathematics) ,010306 general physics ,01 natural sciences ,Confidence interval - Abstract
We report results of a search for B-->tau(nu) in a sample of 9.7 x 10(6) charged B meson decays. We exclusively reconstruct the companion B decay to suppress background. We set an upper limit on the branching fraction B(B-->tau(nu)) K+/-nu(nu))
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- 2001
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36. Measurement of theΛc+Lifetime
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D. E. Jaffe, B. H. Behrens, R. Ammar, T. Hart, I. C. Lai, T. O. Meyer, R. M. Hans, T. Riehle, D. L. Kreinick, M. A. Marsh, X. Zhao, V. Savinov, T. E. Browder, D. Z. Besson, S. P. Pappas, Andreas Warburton, C. Bebek, S. W. Gray, S. Karamov, E. Eckhart, F. Würthwein, H. Kagan, E. H. Thorndike, C. J. Stepaniak, R. Davis, G. J. Zhou, S. Schuh, D. Riley, G. P. Chen, D. G. Cassel, A. Wolf, K. K. Gan, S.C. Timm, R. A. Briere, A. H. Mahmood, Yurii Maravin, I. P.J. Shipsey, T. Wlodek, I. Karliner, Alice Bean, D. Cinabro, L. P. Perera, M. L. Perl, Jason Sang Hun Lee, Yuichi Kubota, G. Bonvicini, Shuai Chen, A. Anastassov, H. P. Paar, V. Boisvert, A. Eppich, J. P. Alexander, B. I. Eisenstein, A. D. Foland, R. Godang, M. Schmidtler, J. Kandaswamy, H. Marsiske, J. W. Hinson, R. J. Morrison, B. Gittelman, S. B. Athar, J. Roy, Mats A Selen, A. Shapiro, D. M. Asner, Y. Li, C. Gwon, M. Lohner, P. M. Patel, R. Baker, W. M. Sun, Z. Xu, J. G. Thayer, C. Sedlack, Ryszard Stroynowski, A. J. Sadoff, R. Mountain, E. Nordberg, S. Ahmed, B. K. Heltsley, Sz Márka, D. Y.J. Kim, V. Fadeyev, D. Peterson, J. Zheng, Richard Wilson, A. Gritsan, E. Lipeles, S. J. Lee, J. Williams, L. Jian, K. W. McLean, T. E. Coan, A. J. Weinstein, G. D. Gollin, Jiejun Wu, S. Schrenk, Tomasz Skwarnicki, J. G. Smith, C. P. Jessop, R. Janicek, A. Undrus, Marina Artuso, B. Valant-Spaight, P. Skubic, H. N. Nelson, R. S. Galik, M. M. Zoeller, F. Blanc, J. Urheim, G. E. Gladding, Jon J Thaler, Vivek Sharma, S. J. Richichi, S. Prell, W. T. Ford, A. I. Rubiera, C. D. Jones, K. Bukin, A. Smith, R. D. Kass, M.A. Palmer, John Yelton, R. Mahapatra, B. E. Berger, K. M. Ecklund, A. L. Lyon, Xingjiang Zhou, Karl Berkelman, M. Saleem, I. Danko, M. Dickson, L. K. Gibbons, V. V. Frolov, T. K. Pedlar, P. S. Drell, D. L. Hartill, J. L. Rodriguez, C. Plager, Y. S. Gao, S. Anderson, J. Ernst, I. Narsky, C. Boulahouache, T. S. Hill, R. Ehrlich, G. Viehhauser, N. B. Mistry, E. von Toerne, J. J. O'Neill, A. Magerkurth, S. McGee, Sheldon Stone, K. Honscheid, F. R. Wappler, J. B. Thayer, L. Ling, Paul Avery, A. Ershov, G. C. Moneti, J. E. Duboscq, D. Urner, E. I. Shibata, E. Johnson, D. Hufnagel, K. W. Edwards, T. Bergfeld, J. Fast, H. Yamamoto, H. Schwarthoff, N. Kwak, C.Y. Prescott, Jianqiao Ye, S. E. Csorna, K. Kinoshita, G. W. Brandenburg, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, Sacha E Kopp, M. S. Alam, P. Gaidarev, Daniel P Cronin-Hennessy, R. Ayad, E. M. Potter, P. I. Hopman, R. Poling, V. Pavlunin, G. Masek, Juliet Ritchie Patterson, and Horst Severini
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Physics ,High energy ,010308 nuclear & particles physics ,General Physics and Astronomy ,Charge (physics) ,Elementary particle ,Lambda baryon ,01 natural sciences ,7. Clean energy ,Nuclear physics ,0103 physical sciences ,Fermilab ,010306 general physics ,Conjugate - Abstract
A precise measurement of the Λ c + lifetime using approximately 1340 fully reconstructed Λ c + →pK - π + and charge conjugate decays is presented. The data were accumulated by the Fermilab high energy photoproduction experiment E687. The lifetime of the Λ c + is measured to be 0.215±0.016±0.008 ps
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- 2001
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37. First Observation of theΣc*+Baryon and a New Measurement of theΣc*+Mass
- Author
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G. C. Moneti, D. Urner, E. I. Shibata, E. Johnson, E. H. Thorndike, T. O. Meyer, Ian Shipsey, D. L. Kreinick, M.A. Palmer, D. Cinabro, B. H. Behrens, C.Y. Prescott, A. D. Foland, G. Bonvicini, J. P. Alexander, J. Roy, B. Gittelman, T. E. Browder, W. M. Sun, Ryszard Stroynowski, S.C. Timm, V. Savinov, Richard Wilson, A. Gritsan, R. S. Galik, Alice Bean, R. Ammar, F. Würthwein, K. Honscheid, S. Ahmed, Jianqiao Ye, G. J. Zhou, S. P. Pappas, Xingjiang Zhou, M. M. Zoeller, C. Bebek, D. Hufnagel, J. Williams, E. Eckhart, I. Danko, S. E. Csorna, C. Sedlack, J. Urheim, M. Dickson, T. K. Pedlar, C. Boulahouache, S. McGee, J. E. Duboscq, L. P. Perera, J. L. Rodriguez, X. Zhao, K. K. Gan, Shuai Chen, A. Anastassov, T. Wlodek, G. Viehhauser, L. Jian, K. W. Edwards, B. K. Heltsley, R. Baker, Jiejun Wu, N. B. Mistry, E. Lipeles, S. J. Lee, G. D. Gollin, H. P. Paar, P. Skubic, D. Riley, Marina Artuso, F. Blanc, G. E. Gladding, R. Janicek, L. K. Gibbons, D. E. Jaffe, A. Shapiro, V. V. Frolov, K. M. Ecklund, K. Kinoshita, A. L. Lyon, E. Nordberg, L. Ling, R. Davis, A. Wolf, T. E. Coan, A. J. Weinstein, G. W. Brandenburg, Tomasz Skwarnicki, Y. S. Gao, K. Bukin, A. Ershov, T. Bergfeld, J. J. Thaler, S. J. Richichi, S. Schuh, D. Y.J. Kim, H. Marsiske, I. Narsky, R. M. Hans, J. Ernst, Karl Berkelman, Sacha E Kopp, M. L. Perl, M. S. Alam, Jason Sang Hun Lee, M. Saleem, T. S. Hill, V. Boisvert, D. Peterson, A. Eppich, Yuichi Kubota, S. B. Athar, R. Ehrlich, K. W. McLean, Daniel P Cronin-Hennessy, Persis S. Drell, V. Fadeyev, Andreas Warburton, J. Zheng, Z. Xu, N. Kwak, R. Ayad, R. Godang, M. Schmidtler, R. Mountain, Vivek Sharma, Sz Márka, A. Smith, E. M. Potter, D. G. Cassel, E. von Toerne, J. J. O'Neill, J. Fast, P. I. Hopman, B. Valant-Spaight, D. M. Asner, A. H. Mahmood, Y. Li, C. Gwon, E. Dambasuren, H. Yamamoto, H. Schwarthoff, M. Lohner, P. M. Patel, J. G. Thayer, Jing Wang, G. Majumder, A. Undrus, I. Karliner, B. I. Eisenstein, D. H. Miller, C. J. Stepaniak, P. Gaidarev, Sheldon Stone, Paul Avery, C. D. Jones, S. Schrenk, J. G. Smith, C. P. Jessop, S. Prell, B. E. Berger, T. Hart, Yurii Maravin, I. C. Lai, T. Riehle, M. A. Marsh, R. Poling, H. Kagan, V. Pavlunin, S. W. Gray, S. Karamov, G. P. Chen, R. A. Briere, R. J. Morrison, Mats A Selen, A. J. Sadoff, D. L. Hartill, C. Plager, S. Anderson, J. W. Hinson, A. Magerkurth, David Zeke Besson, F. R. Wappler, J. B. Thayer, John Yelton, R. Mahapatra, G. Masek, Juliet Ritchie Patterson, Horst Severini, W. T. Ford, A. I. Rubiera, and R. D. Kass
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Physics ,Electron storage ,Baryon ,Particle physics ,010308 nuclear & particles physics ,Electron–positron annihilation ,0103 physical sciences ,General Physics and Astronomy ,Sigma ,010306 general physics ,01 natural sciences ,Mass measurement - Abstract
Using data recorded with the CLEO II and CLEO II.V detector configurations at the Cornell Electron Storage Rings, we report the first observation and mass measurement of the ${\ensuremath{\Sigma}}_{c}^{*+}$ charmed baryon, and an updated measurement of the mass of the ${\ensuremath{\Sigma}}_{c}^{+}$ baryon. We find $M({\ensuremath{\Sigma}}_{c}^{*+})\ensuremath{-}M({\ensuremath{\Lambda}}_{c}^{+})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(231.0\ifmmode\pm\else\textpm\fi{}1.1\ifmmode\pm\else\textpm\fi{}2.0)\phantom{\rule{0ex}{0ex}}\mathrm{MeV}$, and $M({\ensuremath{\Sigma}}_{c}^{+})\ensuremath{-}M({\ensuremath{\Lambda}}_{c}^{+})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(166.4\ifmmode\pm\else\textpm\fi{}0.2\ifmmode\pm\else\textpm\fi{}0.3)\phantom{\rule{0ex}{0ex}}\mathrm{MeV}$, where the errors are statistical and systematic, respectively.
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- 2001
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38. Study ofBDecays to Charmonium States:B→ηcKandB→χc0K
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K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, R. Davis, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, C. J. Stepaniak, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, E. Eckhart, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, S. Chen, J. Fast, J. W. Hinson, J. Lee, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, A. L. Lyon, E. H. Thorndike, C. P. Jessop, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, S. Karamov, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. Kopp, A. H. Mahmood, S. E. Csorna, I. Danko, K. W. McLean, Sz. Márka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, S. Schrenk, G. Bonvicini, D. Cinabro, S. McGee, L. P. Perera, G. J. Zhou, E. Lipeles, S. P. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, and J. Williams
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Physics ,Particle physics ,Factorization ,010308 nuclear & particles physics ,Branching fraction ,0103 physical sciences ,General Physics and Astronomy ,010306 general physics ,01 natural sciences - Abstract
In a sample of $9.66\times 10^6 B\bar{B}$ pairs collected with the CLEO detector we make the first observation of B decays to an $\eta_c$ and a kaon. We measure branching fractions $BR(B^+\to\eta_c K^+) = (0.69 + 0.26 - 0.21 +- 0.08 +- 0.20)\times 10^{-3}$ and $BR(B^0\to\eta_c K^0) = (1.09 + 0.55 - 0.42 +- 0.12 +- 0.31)\times 10^{-3}$, where the first error is statistical, the second is systematic and the third is from the $\eta_c$ branching fraction uncertainty. From these we extract the $\eta_c$ decay constant in the factorization approximation, $f_{\eta_c} = 335 +- 75$ MeV. We also search for B decays to a $\chi_{c0}$ and a kaon. No evidence for a signal is found and we set 90% CL upper limits: $BR(B^+\to\chi_{c0} K^+) < 4.8\times 10^{-4}$ and $BR(B^0\to\chi_{c0} K^0) < 5.0\times 10^{-4}$.
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- 2001
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39. Observation ofB→K±π0andB→K0π0, and Evidence forB→π+π−
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H. Kagan, Xingjiang Zhou, I. Danko, M. Dickson, D. E. Jaffe, T. K. Pedlar, R. J. Morrison, Mats A Selen, Y. S. Gao, D. L. Hartill, A. J. Sadoff, R. Poling, V. Pavlunin, L. P. Perera, C. R. Ng, C. Plager, S. Anderson, A. Magerkurth, E. Dambasuren, D. Peterson, Jing Wang, G. Majumder, T. S. Hill, K. W. McLean, R. Ehrlich, G. Masek, C. Bebek, D. H. Miller, F. R. Wappler, T. Wlodek, A. H. Mahmood, R. Ammar, Juliet Ritchie Patterson, T. O. Meyer, R. Janicek, E. H. Thorndike, P. Gaidarev, C.Y. Prescott, Sergey Karamnov, Horst Severini, A. Wolf, R. M. Hans, G. Bonvicini, J. P. Alexander, S. E. Csorna, Andreas Warburton, X. Zhao, J. L. Rodriguez, I. C. Lai, G. Viehhauser, K. Honscheid, H. P. Paar, John Yelton, R. Mahapatra, J. Zheng, Jianqiao Ye, N. B. Mistry, K. Kinoshita, J. J. Thaler, A. D. Foland, M. A. Marsh, Sacha E Kopp, Y. Kwon, V. Savinov, M. S. Alam, W. T. Ford, D. Z. Besson, Ian Shipsey, G. W. Brandenburg, A. I. Rubiera, R. D. Kass, Daniel P Cronin-Hennessy, L. Ling, A. Ershov, J. E. Duboscq, K. W. Edwards, B. H. Behrens, R. Davis, D. Y.J. Kim, N. Kwak, K. K. Gan, Vivek Sharma, A. Smith, A. Shapiro, B. K. Heltsley, E. Lipeles, R. Ayad, E. M. Potter, S. J. Lee, G. D. Gollin, C. Sedlack, D. M. Asner, J. Lorenc, J. Williams, P. I. Hopman, Shuai Chen, A. Anastassov, Y. Li, C. Gwon, M. Lohner, R. Baker, Jiejun Wu, P. M. Patel, D. L. Kreinick, J. G. Thayer, E. Nordberg, P. Skubic, T. E. Browder, G. Eigen, S. B. Athar, H. Marsiske, Sheldon Stone, Paul Avery, T. E. Coan, A. J. Weinstein, V. Fadeyev, S. Schuh, Richard Wilson, A. Gritsan, Yurii Maravin, J. Fast, H. Yamamoto, H. Schwarthoff, Tomasz Skwarnicki, B. Valant-Spaight, H. N. Nelson, K. Bukin, F. Blanc, G. E. Gladding, M.A. Palmer, Alice Bean, S. J. Richichi, D. Riley, Jason Sang Hun Lee, V. Boisvert, A. Eppich, M. M. Zoeller, K. M. Ecklund, A. L. Lyon, F. Würthwein, M. L. Perl, J. Urheim, Yuichi Kubota, I. Narsky, G. J. Zhou, T. Bergfeld, T. Hart, T. Riehle, D. Ugolini, S. W. Gray, S. Schrenk, J. G. Smith, C. P. Jessop, S. Prell, R. A. Briere, Ilya Kravchenko, J. W. Hinson, N. Menon, C. Boulahouache, C. D. Jones, J. Roy, W. M. Sun, Ryszard Stroynowski, D. Hufnagel, B. E. Berger, G. C. Moneti, P. G. Thies, L. K. Gibbons, V. V. Frolov, E. I. Shibata, E. Johnson, S. Ahmed, Z. Xu, Sz Márka, A. Undrus, E. von Toerne, J. J. O'Neill, J. Gronberg, D. Cinabro, S.C. Timm, B. Gittelman, P. S. Drell, J. Ernst, Dj Lange, Karl Berkelman, M. Saleem, L. Jian, Marina Artuso, R. Godang, M. Schmidtler, R. Mountain, D. G. Cassel, I. Karliner, and B. I. Eisenstein
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Physics ,Particle physics ,Particle decay ,Crystallography ,Pion ,Branching fraction ,Electron–positron annihilation ,Hadron ,Mass spectrum ,Pi ,General Physics and Astronomy ,B meson - Abstract
We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions and observe three new processes with the following branching fractions: B(B{yields}{pi}{sup +}{pi}{sup -})=(4.3{sup +1.6}{sub -1.4}{+-}0.5)x10{sup -6} , B(B{yields}K{sup 0}{pi}{sup 0}) =(14.6{sup +5.9+2.4}{sub -5.1-3.3})x 10{sup -6} , and B(B{yields}K{sup {+-}}{pi}{sup 0} )=(11.6{sup +3.0+1.4}{sub -2.7-1.3}) x10{sup -6} . We also update our previous measurements for the decays B{yields}K{sup {+-}}{pi}{sup {+-}} and B{sup {+-}}{yields}K{sup 0}{pi}{sup {+-}} . (c) 2000 The American Physical Society.
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- 2000
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40. Measurement of Charge Asymmetries in Charmless HadronicBMeson Decays
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C. D. Jones, D. G. Cassel, B. E. Berger, N. Kwak, A. J. Weinstein, Tomasz Skwarnicki, J. Urheim, S. Schrenk, J. G. Smith, C. P. Jessop, R. Davis, Xingjiang Zhou, R. J. Morrison, Mats A Selen, H. N. Nelson, M. Lohner, A. J. Sadoff, I. Danko, T. O. Meyer, D. Peterson, M. Dickson, T. K. Pedlar, J. Roy, W. M. Sun, Ryszard Stroynowski, S. J. Richichi, S. Prell, D. L. Kreinick, K. W. McLean, D. Hufnagel, I. Karliner, L. K. Gibbons, V. V. Frolov, J. Gronberg, S.C. Timm, Richard Wilson, A. Gritsan, Yurii Maravin, B. I. Eisenstein, D. Y.J. Kim, V. Savinov, T. Hart, G. J. Zhou, P. S. Drell, T. E. Browder, Dj Lange, R. Godang, M. Schmidtler, D. Z. Besson, G. C. Moneti, R. M. Hans, C. Bebek, P. G. Thies, T. L. Coan, J. Ernst, G. Eigen, J. R. Patterson, T. Riehle, K. K. Gan, E. I. Shibata, G. Bonvicini, J. P. Alexander, J. J. Thaler, S. E. Csorna, Karl Berkelman, S. Schuh, L. Ling, H. P. Paar, R. Mountain, M. Saleem, C. Sedlack, E. von Toerne, J. J. O'Neill, Andreas Warburton, Z. Xu, E. Johnson, D. Cinabro, D. Ugolini, Sz Márka, M. M. Zoeller, Sheldon Stone, J. Zheng, R. Ammar, B. Gittelman, Alice Bean, A. Ershov, A. Shapiro, I. C. Lai, J. Lorenc, S. W. Gray, D. M. Asner, Paul Avery, C. Gwon, Jason Sang Hun Lee, I. P.J. Shipsey, P. M. Patel, J. G. Thayer, A. Undrus, V. Boisvert, A. Eppich, E. Nordberg, A. Wolf, S. Ahmed, D. Riley, N. Menon, Jiejun Wu, L. H. Thorndike, R. A. Briere, C. Boulahouache, Sacha E Kopp, M. A. Marsh, M. S. Alam, F. Würthwein, G. W. Brandenburg, P. Skubic, W. T. Ford, A. I. Rubiera, F. Blanc, G. E. Gladding, R. D. Kass, D. E. Jaffe, Vivek Sharma, M. L. Perl, R. Janicek, A. Smith, Daniel P Cronin-Hennessy, A. H. Mahmood, Yuichi Kubota, K. Kinoshita, Ilya Kravchenko, J. Fast, K. M. Ecklund, S. B. Athar, J. L. Rodriguez, H. Yamamoto, H. Schwarthoff, L. P. Perera, A. L. Lyon, J. W. Hinson, L. Jian, G. Viehhauser, N. B. Mistry, Marina Artuso, B. K. Heltsley, R. Ayad, E. M. Potter, E. Lipeles, S. J. Lee, G. D. Gollin, P. I. Hopman, E. Dambasuren, Jing Wang, G. Majumder, D. H. Miller, P. Gaidarev, T. Bergfeld, Harris Kagan, C.Y. Prescott, Jianqiao Ye, Shuai Chen, A. Anastassov, R. Baker, K. Honscheid, J. E. Duboscq, K. Bukin, D. L. Hartill, R. Poling, V. Pavlunin, C. R. Ng, I. Narsky, G. Masek, Sergey Karamnov, Horst Severini, T. Wlodek, M.A. Palmer, John Yelton, R. Mahapatra, K. W. Edwards, B. H. Behrens, X. Zhao, C. Plager, S. Anderson, A. Magerkurth, Y. Kwon, H. Marsiske, F. R. Wappler, Y. S. Gao, V. Fadeyev, B. Valant-Spaight, Yang Li, T. S. Hill, R. Ehrlich, A. D. Foland, and J. Williams
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Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Hyperon ,FOS: Physical sciences ,General Physics and Astronomy ,Omega baryon ,01 natural sciences ,Omega ,High Energy Physics - Experiment ,Nuclear physics ,High Energy Physics - Experiment (hep-ex) ,Particle decay ,Pion ,0103 physical sciences ,High Energy Physics::Experiment ,B meson ,010306 general physics - Abstract
We search for CP-violating asymmetries (Acp) in the B meson decays to K+- pi-+, K+- pi0, Ks pi+-, K+- eta', and omega pi+-. Using 9.66 million Upsilon(4S) decays collected with the CLEO detector, the statistical precision on Acp is in the range of \pm 0.12 to \pm 0.25 depending on decay mode. While CP-violating asymmetries of up to \pm 0.5 are possible within the Standard Model, the measured asymmetries are consistent with zero in all five decay modes studied., 10 pages, 3 figures
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- 2000
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41. Search forCPViolation inB±→J/ψK±andB±→ψ(2S)K±Decays
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G. Bonvicini, D. Cinabro, S. McGee, L. P. Perera, G. J. Zhou, E. Lipeles, S. Pappas, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, T. S. Hill, R. J. Morrison, H. N. Nelson, R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, M. Lohner, A. Magerkurth, T. O. Meyer, N. B. Mistry, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, A. Bean, D. Besson, R. Davis, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, J. Urheim, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, A. H. Mahmood, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, H. Schwarthoff, J. B. Thayer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, S. Karamov, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. Kopp, S. E. Csorna, I. Danko, K. W. McLean, Sz. Márka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, and S. Schrenk
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Physics ,Particle decay ,Crystallography ,Meson ,010308 nuclear & particles physics ,0103 physical sciences ,General Physics and Astronomy ,CP violation ,Charge (physics) ,Atomic physics ,010306 general physics ,01 natural sciences - Abstract
We present a search for direct CP violation in B{sup {+-}}{yields}J/{psi}K{sup {+-}} and B{sup {+-}}{yields}{psi}(2S)K{sup {+-}} decays. In a sample of 9.7x10{sup 6} BB meson pairs collected with the CLEO detector, we have fully reconstructed 534 B{sup {+-}}{yields}J/{psi} K{sup {+-}} and 120 B{sup {+-}}{yields}{psi}(2 S)K{sup {+-}} decays with very low background. We have measured the CP -violating charge asymmetry to be [+1.8{+-}4.3(stat){+-}0. 4(syst)]% for B{sup {+-}}{yields}J/{psi}K{sup {+-}} and [+2.0{+-}9.1(stat){+-}1. 0(syst)]% for B{sup {+-}}{yields}{psi}(2S)K{sup {+-}} . (c) 2000 The American Physical Society.
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- 2000
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42. First Observation of the DecayB→J/ψφK
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Z. Xu, Sz Márka, A. Undrus, T. Hart, D. E. Jaffe, X. Zhao, K. Bukin, C.Y. Prescott, T. E. Coan, J. Gronberg, S.C. Timm, E. H. Thorndike, T. O. Meyer, Dj Lange, T. Riehle, Karl Berkelman, M. Saleem, A. D. Foland, Jianqiao Ye, A. J. Weinstein, D. L. Kreinick, John Yelton, R. Mahapatra, G. Bonvicini, J. P. Alexander, Tomasz Skwarnicki, C. Bebek, D. Ugolini, H. N. Nelson, R. M. Hans, Sacha E Kopp, T. Wlodek, M. S. Alam, T. E. Browder, L. Jian, S. W. Gray, S. Karamov, N. Menon, J. Roy, J. Williams, Y. Kwon, V. Savinov, I. Narsky, S. J. Richichi, G. Masek, Juliet Ritchie Patterson, W. M. Sun, Ryszard Stroynowski, Philip Baringer, D. Z. Besson, Daniel P Cronin-Hennessy, Marina Artuso, H. Marsiske, R. A. Briere, Xingjiang Zhou, J. J. Thaler, N. Kwak, C. Boulahouache, I. Danko, S. E. Csorna, Horst Severini, M. Dickson, T. K. Pedlar, Andreas Warburton, H. P. Paar, K. K. Gan, V. Fadeyev, W. T. Ford, A. I. Rubiera, M. M. Zoeller, I. P.J. Shipsey, Shuai Chen, A. Anastassov, L. P. Perera, R. D. Kass, J. L. Rodriguez, Ilya Kravchenko, B. Valant-Spaight, B. H. Behrens, I. Korolkov, D. L. Hartill, R. Poling, A. Wolf, A. Shapiro, M.A. Palmer, Y. S. Gao, R. Janicek, V. Pavlunin, C. R. Ng, J. W. Hinson, T. Bergfeld, L. K. Gibbons, V. V. Frolov, R. Baker, G. Viehhauser, E. Nordberg, K. Kinoshita, R. Ammar, G. C. Moneti, C. Sedlack, N. B. Mistry, B. K. Heltsley, G. W. Brandenburg, E. Lipeles, S. J. Lee, J. Lorenc, I. C. Lai, R. Davis, P. G. Thies, G. D. Gollin, D. G. Cassel, T. S. Hill, J. Zheng, S. Schuh, R. Ehrlich, D. Y.J. Kim, Jiejun Wu, S. Schrenk, M. A. Marsh, E. I. Shibata, F. Blanc, J. G. Smith, J. Fast, P. Skubic, C. P. Jessop, G. E. Gladding, F. Würthwein, H. Yamamoto, H. Schwarthoff, L. Ling, Vivek Sharma, Sheldon Stone, G. J. Zhou, A. Smith, D. Riley, S. Prell, Paul Avery, Alice Bean, K. M. Ecklund, R. Ayad, E. M. Potter, E. Johnson, A. L. Lyon, Jason Sang Hun Lee, E. von Toerne, S. B. Athar, P. I. Hopman, V. Boisvert, A. Eppich, A. Ershov, J. J. O'Neill, M. Lohner, Yurii Maravin, E. Dambasuren, Jing Wang, G. Majumder, D. Cinabro, J. Urheim, A. H. Mahmood, D. H. Miller, D. Hufnagel, P. Gaidarev, G. Eigen, B. Gittelman, M. L. Perl, I. Karliner, Yuichi Kubota, K. Honscheid, C. D. Jones, P. S. Drell, D. Peterson, K. W. McLean, J. Ernst, B. E. Berger, J. E. Duboscq, K. W. Edwards, B. I. Eisenstein, R. Godang, Richard Wilson, A. Gritsan, M. Schmidtler, H. Kagan, S. Ahmed, R. Mountain, R. J. Morrison, Mats A Selen, A. J. Sadoff, C. Plager, S. Anderson, A. Magerkurth, F. R. Wappler, D. M. Asner, Y. Li, C. Gwon, P. M. Patel, and J. G. Thayer
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Quark ,Physics ,Particle physics ,Meson ,Branching fraction ,General Physics and Astronomy ,High Energy Physics::Experiment ,B meson ,Event (particle physics) - Abstract
We present the first observation of the decay B{yields}J/{psi}{phi}K . Using 9.6x10{sup 6} BB meson pairs collected with the CLEO detector, we have observed ten fully reconstructed B{yields}J/{psi}{phi}K candidates, whereas the estimated background is 0.5{+-}0.2 event. We obtain a branching fraction of B(B{yields}J/{psi}{phi}K)=( 8.8{sup +3.5}{sub -3.0}[stat] {+-}1.3[syst])x10{sup -5} . This is the first observed B meson decay requiring the creation of an additional ss quark pair. (c) 2000 The American Physical Society.
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- 2000
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43. Search for Rare and Forbiddenη′Decays
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R. A. Briere, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, C. D. Jones, D. L. Kreinick, T. Lee, Y. Liu, T. O. Meyer, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, P. Avery, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, S. Ahmed, M. S. Alam, S. B. Athar, L. Jian, L. Ling, A. H. Mahmood, M. Saleem, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lorenc, H. Schwarthoff, M. B. Spencer, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, M. Bishai, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, E. Dambasuren, S. Kopp, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, T. K. Nelson, J. D. Richman, and D. Roberts
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Physics ,Particle physics ,010308 nuclear & particles physics ,Hadron ,Eta meson ,General Physics and Astronomy ,Dalitz plot ,Particle Data Group ,Kinetic energy ,01 natural sciences ,Nuclear physics ,0103 physical sciences ,High Energy Physics::Experiment ,Matrix element ,Cornell Electron Storage Ring ,Nuclear Experiment ,010306 general physics - Abstract
We have searched for the rare decays of the eta prime meson to e+ e- eta, e+ e- pizero, e+ e- gamma, and e mu in hadronic events at the CLEO II detector. The search is conducted on 4.80 fb^-1 of e+ e- collisions at the Cornell Electron Storage Ring. We find no signal in any of these modes, and set 90% confidence level upper limits on their branching fractions of 2.4 X 10^-3, 1.4 X 10^-3, 0.9 X 10^-3, and 4.7 X 10^-4, respectively. We also investigate the Dalitz plot of the common decay of the eta prime to pi+ pi- eta. We fit the matrix element with the Particle Data Group parameterization and find Re(alpha) = -0.021 +- 0.025, where alpha is a linear function of the kinetic energy of the eta.
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- 2000
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44. Evidence of New States Decaying intoΞc*π
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J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, V. Boisvert, D. G. Cassel, D. S. Crowcroft, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, D. L. Kreinick, T. Lee, Y. Liu, T. O. Meyer, N. B. Mistry, C. R. Ng, E. Nordberg, M. Ogg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton, C. Ward, M. Athanas, P. Avery, C. D. Jones, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, R. A. Briere, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, X. Zhao, L. Zhou, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, M. S. Alam, S. B. Athar, A. H. Mahmood, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, C. Gwon, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lorenc, H. Schwarthoff, E. von Toerne, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, A. Undrus, M. Bishai, S. Chen, J. Fast, J. W. Hinson, J. Lee, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, S. Glenn, Y. Kwon, A. L. Lyon, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, E. Dambasuren, S. Kopp, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, A. Eppich, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, H. N. Nelson, T. K. Nelson, J. D. Richman, D. Roberts, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, and J. G. Smith
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Physics ,Meson ,010308 nuclear & particles physics ,General Physics and Astronomy ,01 natural sciences ,Sigma baryon ,Nuclear physics ,Baryon ,Charmed baryons ,Particle decay ,Crystallography ,Pion ,Isospin ,0103 physical sciences ,Cornell Electron Storage Ring ,010306 general physics - Abstract
Using 13.7 fb(-1) of data recorded by the CLEO detector at Cornell Electron Storage Ring, we report evidence of two new charmed baryons: one decaying into Xi(0')(c)pi(+) with the subsequent decay Xi(0')(c)-->Xi(0)(c)gamma, and its isospin partner decaying into Xi(+')(c)pi(-) followed by Xi(+')(c)-->Xi(+)(c)gamma. We measure the following mass differences for the two states: M(Xi(0)(c)gammapi(+))-M(Xi(0)(c)) = 318.2+/-1.3+/-2.9 MeV and M(Xi(+)(c)gammapi(-))-M(Xi(+)(c)) = 324.0+/-1.3+/-3.0 MeV. We interpret these new states as the J(P) = 1 / 2(-) Xi(c1) particles, the charmed-strange analogs of the Lambda(+)(c1)(2593).
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- 1999
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45. Direct Measurement ofAbandAcat theZ0Pole Using a Lepton Tag
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Kenji Abe, Koya Abe, T. Abe, I. Adam, T. Akagi, N. J. Allen, A. Arodzero, W. W. Ash, D. Aston, K. G. Baird, C. Baltay, H. R. Band, M. B. Barakat, O. Bardon, T. L. Barklow, G. L. Bashindzhagyan, J. M. Bauer, G. Bellodi, R. Ben-David, A. C. Benvenuti, G. M. Bilei, D. Bisello, G. Blaylock, J. R. Bogart, B. Bolen, G. R. Bower, J. E. Brau, M. Breidenbach, W. M. Bugg, D. Burke, T. H. Burnett, P. N. Burrows, R. M. Byrne, A. Calcaterra, D. Calloway, B. Camanzi, M. Carpinelli, R. Cassell, R. Castaldi, A. Castro, M. Cavalli-Sforza, A. Chou, E. Church, H. O. Cohn, J. A. Coller, M. R. Convery, V. Cook, R. Cotton, R. F. Cowan, D. G. Coyne, G. Crawford, C. J. S. Damerell, M. N. Danielson, M. Daoudi, N. de Groot, R. Dell'Orso, P. J. Dervan, R. de Sangro, M. Dima, A. D'Oliveira, D. N. Dong, M. Doser, R. Dubois, B. I. Eisenstein, V. Eschenburg, E. Etzion, S. Fahey, D. Falciai, C. Fan, J. P. Fernandez, M. J. Fero, K. Flood, R. Frey, T. Gillman, G. Gladding, S. Gonzalez, E. R. Goodman, E. L. Hart, J. L. Harton, A. Hasan, K. Hasuko, S. J. Hedges, S. S. Hertzbach, M. D. Hildreth, J. Huber, M. E. Huffer, E. W. Hughes, X. Huynh, H. Hwang, M. Iwasaki, D. J. Jackson, P. Jacques, J. A. Jaros, Z. Y. Jiang, A. S. Johnson, J. R. Johnson, R. A. Johnson, T. Junk, R. Kajikawa, M. Kalelkar, Y. Kamyshkov, H. J. Kang, I. Karliner, H. Kawahara, Y. D. Kim, R. King, M. E. King, R. R. Kofler, N. M. Krishna, R. S. Kroeger, M. Langston, A. Lath, D. W. G. Leith, V. Lia, C.-J. S. Lin, X. Liu, M. X. Liu, M. Loreti, A. Lu, H. L. Lynch, J. Ma, M. Mahjouri, G. Mancinelli, S. Manly, G. Mantovani, T. W. Markiewicz, T. Maruyama, H. Masuda, E. Mazzucato, A. K. McKemey, B. T. Meadows, G. Menegatti, R. Messner, P. M. Mockett, K. C. Moffeit, T. B. Moore, M. Morii, D. Muller, V. Murzin, T. Nagamine, S. Narita, U. Nauenberg, H. Neal, M. Nussbaum, N. Oishi, D. Onoprienko, L. S. Osborne, R. S. Panvini, H. Park, C. H. Park, T. J. Pavel, I. Peruzzi, M. Piccolo, L. Piemontese, E. Pieroni, K. T. Pitts, R. J. Plano, R. Prepost, C. Y. Prescott, G. D. Punkar, J. Quigley, B. N. Ratcliff, T. W. Reeves, J. Reidy, P. L. Reinertsen, P. E. Rensing, L. S. Rochester, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, R. H. Schindler, B. A. Schumm, J. Schwiening, S. Sen, V. V. Serbo, M. H. Shaevitz, J. T. Shank, G. Shapiro, D. J. Sherden, K. D. Shmakov, C. Simopoulos, N. B. Sinev, S. R. Smith, M. B. Smy, J. A. Snyder, H. Staengle, A. Stahl, P. Stamer, R. Steiner, H. Steiner, M. G. Strauss, D. Su, F. Suekane, A. Sugiyama, S. Suzuki, M. Swartz, A. Szumilo, T. Takahashi, F. E. Taylor, J. Thom, E. Torrence, N. K. Toumbas, T. Usher, C. Vannini, J. Va'vra, E. Vella, J. P. Venuti, R. Verdier, P. G. Verdini, S. R. Wagner, D. L. Wagner, A. P. Waite, S. Walston, J. Wang, C. Ward, S. J. Watts, A. W. Weidemann, E. R. Weiss, J. S. Whitaker, S. L. White, F. J. Wickens, B. Williams, D. C. Williams, S. H. Williams, S. Willocq, R. J. Wilson, W. J. Wisniewski, J. L. Wittlin, M. Woods, G. B. Word, T. R. Wright, J. Wyss, R. K. Yamamoto, J. M. Yamartino, X. Yang, J. Yashima, S. J. Yellin, C. C. Young, H. Yuta, G. Zapalac, R. W. Zdarko, and J. Zhou
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Coupling ,Physics ,Semileptonic decay ,Particle physics ,Muon ,Hadron ,Detector ,General Physics and Astronomy ,High Energy Physics::Experiment ,Parity (physics) ,Electron ,Nuclear Experiment ,Lepton - Abstract
The parity violation parameters Ab and Ac of the Zb anti-b and Zc anti-c couplings have been measured directly, using the polar angle dependence of the Z0-pole polarized cross sections. Bottom and charmed hadrons were tagged via semileptonic decays. Both the muon and electron identification algorithms take advantage of new multivariate techniques, incorporating for the first time information from the SLD Cerenkov Ring Imaging Detector. Based on the 1993-95 SLD sample of 150,000 Z0 decays produced with highly polarized electron beams, we measure: Ab = 0.910 ± 0.068(stat) ± 0.037(syst) Ac = 0.642 ± 0.110(stat) ± 0.063(syst).
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- 1999
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46. Direct Measurement ofAbinZ0Decays Using Charged Kaon Tagging
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Kenji Abe, Koya Abe, T. Abe, I. Adam, T. Akagi, N. J. Allen, A. Arodzero, W. W. Ash, D. Aston, K. G. Baird, C. Baltay, H. R. Band, M. B. Barakat, O. Bardon, T. L. Barklow, G. L. Bashindzhagyan, J. M. Bauer, G. Bellodi, R. Ben-David, A. C. Benvenuti, G. M. Bilei, D. Bisello, G. Blaylock, J. R. Bogart, B. Bolen, G. R. Bower, J. E. Brau, M. Breidenbach, W. M. Bugg, D. Burke, T. H. Burnett, P. N. Burrows, R. M. Byrne, A. Calcaterra, D. Calloway, B. Camanzi, M. Carpinelli, R. Cassell, R. Castaldi, A. Castro, M. Cavalli-Sforza, A. Chou, E. Church, H. O. Cohn, J. A. Coller, M. R. Convery, V. Cook, R. Cotton, R. F. Cowan, D. G. Coyne, G. Crawford, C. J. S. Damerell, M. N. Danielson, M. Daoudi, N. de Groot, R. Dell'Orso, P. J. Dervan, R. de Sangro, M. Dima, A. D'Oliveira, D. N. Dong, M. Doser, R. Dubois, B. I. Eisenstein, V. Eschenburg, E. Etzion, S. Fahey, D. Falciai, C. Fan, J. P. Fernandez, M. J. Fero, K. Flood, R. Frey, T. Gillman, G. Gladding, S. Gonzalez, E. R. Goodman, E. L. Hart, J. L. Harton, A. Hasan, K. Hasuko, S. J. Hedges, S. S. Hertzbach, M. D. Hildreth, J. Huber, M. E. Huffer, E. W. Hughes, X. Huynh, H. Hwang, M. Iwasaki, D. J. Jackson, P. Jacques, J. A. Jaros, Z. Y. Jiang, A. S. Johnson, J. R. Johnson, R. A. Johnson, T. Junk, R. Kajikawa, M. Kalelkar, Y. Kamyshkov, H. J. Kang, I. Karliner, H. Kawahara, Y. D. Kim, R. King, M. E. King, R. R. Kofler, N. M. Krishna, R. S. Kroeger, M. Langston, A. Lath, D. W. G. Leith, V. Lia, C.-J. S. Lin, X. Liu, M. X. Liu, M. Loreti, A. Lu, H. L. Lynch, J. Ma, M. Mahjouri, G. Mancinelli, S. Manley, G. Mantovani, T. W. Markiewicz, T. Maruyama, H. Masuda, E. Mazzucato, A. K. McKemey, B. T. Meadows, G. Menegatti, R. Messner, P. M. Mockett, K. C. Moffeit, T. B. Moore, M. Morii, D. Muller, V. Murzin, T. Nagamine, S. Narita, U. Nauenberg, H. Neal, M. Nussbaum, N. Oishi, D. Onoprienko, L. S. Osborne, R. S. Panvini, H. Park, C. H. Park, T. J. Pavel, I. Peruzzi, M. Piccolo, L. Piemontese, E. Pieroni, K. T. Pitts, R. J. Plano, R. Prepost, C. Y. Prescott, G. D. Punkar, J. Quigley, B. N. Ratcliff, T. W. Reeves, J. Reidy, P. L. Reinertsen, P. E. Rensing, L. S. Rochester, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, R. H. Schindler, B. A. Schumm, J. Schwiening, S. Sen, V. V. Serbo, M. H. Shaevitz, J. T. Shank, G. Shapiro, D. J. Sherden, K. D. Shmakov, C. Simopoulos, N. B. Sinev, S. R. Smith, M. B. Smy, J. A. Snyder, H. Staengle, A. Stahl, P. Stamer, R. Steiner, H. Steiner, M. G. Strauss, D. Su, F. Suekane, A. Sugiyama, S. Suzuki, M. Swartz, A. Szumilo, T. Takahashi, F. E. Taylor, J. Thom, E. Torrence, N. K. Toumbas, T. Usher, C. Vannini, J. Va'vra, E. Vella, J. P. Venuti, R. Verdier, P. G. Verdini, S. R. Wagner, D. L. Wagner, A. P. Waite, S. Walston, J. Wang, C. Ward, S. J. Watts, A. W. Weidemann, E. R. Weiss, J. S. Whitaker, S. L. White, F. J. Wickens, B. Williams, D. C. Williams, S. H. Williams, S. Willocq, R. J. Wilson, W. J. Wisniewski, J. L. Wittlin, M. Woods, G. B. Word, T. R. Wright, J. Wyss, R. K. Yamamoto, J. M. Yamartino, X. Yang, J. Yashima, S. J. Yellin, C. C. Young, H. Yuta, G. Zapalac, R. W. Zdarko, and J. Zhou
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Nuclear physics ,Quark ,Physics ,Particle physics ,media_common.quotation_subject ,Hadron ,General Physics and Astronomy ,Electron ,Asymmetry ,Vertex (geometry) ,media_common ,Boson - Abstract
We present a direct measurement of the parity-violating asymmetry A{sub b} in the Z{sup 0} to b anti-b coupling using a new technique to distinguish the b and anti-b quarks using charged kaons from B decays. The Z{sup 0} bosons are produced in e{sup +}e{sup -} collisions at the SLC with longitudinally polarized electrons. b anti-b events are selected using a secondary vertex mass tag and A{sub b} is determined from the left-right forward-backward asymmetry. From the 1994-1995 data sample, selected from 100,000 hadronic Z{sup 0} decays, we obtain A{sub b} = 0.855 {+-} 0. 088{sub stat} {+-} 0.102{sub sys}.
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- 1999
- Full Text
- View/download PDF
47. Measurement of theB→DℓνBranching Fractions and Form Factor
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H. P. Paar, H. Yamamoto, R. Ammar, Richard Wilson, A. Gritsan, S. Schuh, N. Kwak, P. S. Drell, D. L. Hartill, A. Shapiro, I. C. Lai, H. Krieg, M. Bishai, J. Roy, W. M. Sun, Ryszard Stroynowski, C. R. Ng, C. Darling, D. E. Jaffe, S. Chan, K. Lingel, R. Godang, T. Lee, M. Schmidtler, D. Riley, E. Nordberg, P. Pomianowski, T. Bergfeld, J. Ernst, L. K. Gibbons, Alice Bean, J. Bartelt, V. Boisvert, M. Ogg, R. Davis, M. A. Marsh, Z. Xu, T. S. Hill, M. L. Perl, W. T. Ford, Y. J. Kwon, R. Mountain, Yuichi Kubota, Sz Márka, A. I. Rubiera, L. Zhou, Ilya Kravchenko, C. D. Jones, D. Cinabro, R. M. Hans, R. Ehrlich, R. D. Kass, H. Marsiske, Xingjiang Zhou, B. H. Behrens, J. W. Hinson, C.Y. Prescott, B. Gittelman, B. K. Heltsley, T. E. Coan, D. G. Cassel, A. H. Mahmood, Yurii Maravin, G. J. Zhou, A. Undrus, Alain Bellerive, E. Lipeles, S. J. Lee, D. M. Asner, Jianqiao Ye, V. Savinov, M. Dickson, G. D. Gollin, D. Z. Besson, S. Glenn, V. Fadeyev, Y. Li, Z. Ling, P. M. Patel, C. Ward, I. P.J. Shipsey, G. Eigen, R. Poling, Marina Artuso, Andreas Warburton, B. Valant-Spaight, J. Gronberg, S.C. Timm, K. Honscheid, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, I. Karliner, K. K. Gan, S. von Dombrowski, A. D. Foland, C. Bebek, L. P. Perera, J. Fast, M.A. Palmer, S. Prell, A. Titov, G. Masek, Saroj Kumar Sahu, H. Schwarthoff, G. E. Gladding, B. I. Eisenstein, John Yelton, R. Mahapatra, Dj Lange, Juliet Ritchie Patterson, J. J. Thaler, T. Wlodek, T. Hart, S. Kotov, D. Y.J. Kim, Richard L. Greene, E. H. Thorndike, K. M. Ecklund, A. J. Weinstein, A. L. Lyon, R. Janicek, Tomasz Skwarnicki, J. E. Duboscq, K. W. Edwards, Sheldon Stone, Paul Avery, Philip Baringer, T. Riehle, A. Soffer, H. N. Nelson, D. L. Kreinick, S. Anderson, D. Coppage, G. Bonvicini, J. P. Alexander, D. S. Crowcroft, Sacha E Kopp, S. J. Richichi, T. E. Browder, Horst Severini, R. A. Briere, Shuai Chen, A. Anastassov, M. S. Alam, I. Korolkov, D. Ugolini, J. J. O'Neill, J. Zheng, J. S. Miller, S. E. Csorna, P. Skubic, S. Roberts, M. Lohner, R. Baker, S. W. Gray, Karl Berkelman, Y. S. Gao, F. R. Wappler, Vivek Sharma, A. Smith, H. Kagan, B. E. Berger, A. Ershov, R. J. Morrison, Mats A Selen, A. J. Sadoff, I. Narsky, K. Kinoshita, G. W. Brandenburg, J. L. Rodriguez, E. M. Potter, P. I. Hopman, Frank Würthwein, G. Viehhauser, D. Roberts, E. Dambasuren, N. B. Mistry, Jing Wang, G. C. Moneti, J. Kandaswamy, D. H. Miller, P. Gaidarev, E. I. Shibata, M. Athanas, D. Peterson, K. W. McLean, E. Johnson, Jungil Lee, N. Menon, T. K. Nelson, M. M. Zoeller, A. Wolf, S. B. Athar, and J. Urheim
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Semileptonic decay ,Physics ,Particle physics ,Branching fraction ,Electron–positron annihilation ,General Physics and Astronomy ,B meson ,Cornell Electron Storage Ring ,Recoil energy - Abstract
Using a sample of $3.3\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $B$-meson decays collected with the CLEO detector at the Cornell Electron Storage Ring, we have studied ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ and ${\overline{B}}^{0}\ensuremath{\rightarrow}{D}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ decays, where ${\ensuremath{\ell}}^{\ensuremath{-}}$ can be either ${e}^{\ensuremath{-}}$ or ${\ensuremath{\mu}}^{\ensuremath{-}}$. We distinguish $B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu}$ from other $B$ semileptonic decays by examining the net momentum and energy of the particles recoiling against $D\ensuremath{-}\ensuremath{\ell}$ pairs. We find $\ensuremath{\Gamma}(B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}(14.1\ifmmode\pm\else\textpm\fi{}1.0\ifmmode\pm\else\textpm\fi{}1.2){\mathrm{ns}}^{\ensuremath{-}1}$ and derive branching fractions for ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ and ${\overline{B}}^{0}\ensuremath{\rightarrow}{D}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}\overline{\ensuremath{\nu}}$ of $(2.32\ifmmode\pm\else\textpm\fi{}0.17\ifmmode\pm\else\textpm\fi{}0.20)%$ and $(2.20\ifmmode\pm\else\textpm\fi{}0.16\ifmmode\pm\else\textpm\fi{}0.19)%$, respectively, where the uncertainties are statistical and systematic. We also investigate the $B\ensuremath{\rightarrow}D\ensuremath{\ell}\ensuremath{\nu}$ form factor and the implication of the result for $|{V}_{\mathrm{cb}}|$.
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- 1999
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48. First Observation of the DecayB0→D*+D*−
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D. E. Jaffe, A. Wolf, R. Godang, T. S. Hill, T. Lee, M. Schmidtler, R. Ehrlich, H. Marsiske, N. Kwak, M. Bishai, C. Ward, L. K. Gibbons, T. Bergfeld, J. J. O'Neill, Sacha E Kopp, M. S. Alam, J. Gronberg, V. Fadeyev, S.C. Timm, C. Bebek, S. von Dombrowski, T. E. Coan, A. J. Weinstein, S. B. Athar, Z. Ling, A. D. Foland, B. Valant-Spaight, Tomasz Skwarnicki, R. Mountain, D. L. Hartill, H. N. Nelson, C.Y. Prescott, T. Wlodek, Xingjiang Zhou, R. Ammar, Jungil Lee, Dj Lange, H. Krieg, R. Poling, Y. J. Kwon, I. C. Lai, T. Hart, S. J. Richichi, T. K. Nelson, Ian Shipsey, E. M. Potter, W. T. Ford, S. Chan, C. R. Ng, Philip Baringer, A. I. Rubiera, R. D. Kass, H. P. Paar, G. E. Gladding, D. Riley, M. Dickson, A. H. Mahmood, M. A. Marsh, J. Roy, N. Menon, Jianqiao Ye, P. I. Hopman, L. P. Perera, M. M. Zoeller, D. G. Cassel, D. Roberts, E. Dambasuren, Jing Wang, S. Schuh, A. Shapiro, B. H. Behrens, M. Ogg, J. Lorenc, W. M. Sun, Ryszard Stroynowski, J. Urheim, R. Davis, E. Nordberg, D. Y.J. Kim, Richard L. Greene, M.A. Palmer, T. Riehle, V. Savinov, I. Narsky, H. Tajima, P. S. Drell, E. H. Thorndike, D. H. Miller, J. J. Thaler, K. M. Ecklund, P. Skubic, A. L. Lyon, D. Z. Besson, P. Gaidarev, Sheldon Stone, J. Fast, H. Yamamoto, H. Schwarthoff, J. S. Miller, G. C. Moneti, Paul Avery, G. J. Zhou, I. Karliner, D. Coppage, K. Lingel, Alice Bean, J. L. Rodriguez, G. Bonvicini, J. P. Alexander, Y. S. Gao, E. I. Shibata, M. Lohner, K. K. Gan, Frank Würthwein, D. Ugolini, V. Boisvert, A. Eppich, G. Viehhauser, B. I. Eisenstein, Yurii Maravin, S. W. Gray, D. L. Kreinick, Marina Artuso, M. L. Perl, S. E. Csorna, N. B. Mistry, E. Johnson, J. Ernst, K. Honscheid, R. M. Hans, T. E. Browder, C. M. Korte, Yuichi Kubota, S. Roberts, K. Kinoshita, G. W. Brandenburg, D. Cinabro, J. E. Duboscq, K. W. Edwards, S. Glenn, S. Kotov, Shuai Chen, A. Anastassov, I. Korolkov, Richard Wilson, A. Gritsan, G. Masek, R. Baker, S. Schrenk, Andreas Warburton, Yanwen Liu, J. G. Smith, C. P. Jessop, B. K. Heltsley, B. Gittelman, R. Janicek, E. Lipeles, S. J. Lee, J. Zheng, G. D. Gollin, S. Prell, A. Ershov, Juliet Ritchie Patterson, R. A. Briere, P. Pomianowski, Vivek Sharma, A. Smith, L. Zhou, Ilya Kravchenko, B. E. Berger, C. D. Jones, J. W. Hinson, N. Katayama, Alain Bellerive, J. Kandaswamy, Horst Severini, G. Eigen, D. M. Asner, Y. Li, C. Gwon, P. M. Patel, M. Athanas, D. Peterson, K. W. McLean, A. Soffer, Z. Xu, S. Anderson, Sz Márka, D. S. Crowcroft, A. Undrus, F. R. Wappler, Karl Berkelman, H. Kagan, R. J. Morrison, Mats A Selen, A. J. Sadoff, A. Titov, John Yelton, and R. Mahapatra
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Physics ,Particle physics ,Particle decay ,Crystallography ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,0103 physical sciences ,General Physics and Astronomy ,CP violation ,B meson ,010306 general physics ,01 natural sciences - Abstract
We have observed four fully reconstructed B{sup 0}{r_arrow}D{sup {asterisk}+}D{sup {asterisk}{minus}} candidates in 5.8{times}10{sup 6} {Upsilon}(4S){r_arrow}B{ovr B} decays recorded with the CLEO detector. The background is estimated to be 0.31{plus_minus}0.10 thinspthinspevents. The probability that the background could produce four or more signal candidates with the observed distribution among D{sup {asterisk}+} and D{sup {asterisk}{minus}} decay modes is 1.1{times}10{sup {minus}4} . The measured decay rate, B(B{sup 0}{r_arrow}D{sup {asterisk}+}D{sup {asterisk} {minus}})=[6.2{sup +4.0}{sub {minus}2.9}( stat){plus_minus}1.0(syst) ]{times}10{sup {minus}4} , is large enough for this decay mode to be of interest for the measurement of a time-dependent CP asymmetry. {copyright} {ital 1999} {ital The American Physical Society}
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- 1999
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49. Observation of Two Narrow States Decaying intoΞc+γandΞc0γ
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D. S. Crowcroft, B. K. Heltsley, E. Lipeles, S. J. Lee, G. D. Gollin, D. L. Hartill, J. Zheng, H. Krieg, Karl Berkelman, C. R. Ng, F. R. Wappler, Z. Ling, K. K. Gan, Jongmin Lee, J. S. Miller, H. Marsiske, A. Anastassov, S. Schuh, V. Savinov, Y. S. Gao, Y. J. Kwon, S. Glenn, Sai-Juan Chen, Richard L. Greene, E. H. Thorndike, A. Titov, John Yelton, R. Mahapatra, D. Z. Besson, G. Masek, H. Kagan, D. Riley, V. Fadeyev, Juliet Ritchie Patterson, A. H. Mahmood, C. P. Ward, Vivek Sharma, R. A. Briere, D. Y.J. Kim, Alice Bean, Yang Li, P. Pomianowski, R. J. Morrison, Mats A Selen, D. Coppage, G. Bonvicini, J. P. Alexander, D. E. Jaffe, T. S. Hill, D. L. Kreinick, Z. Xu, M. Athanas, A. J. Sadoff, R. Ehrlich, Erik A. Johnson, B. Valant-Spaight, S. von Dombrowski, G. C. Moneti, T. E. Coan, Sz Márka, V. Boisvert, A. Eppich, T. E. Browder, Sacha E Kopp, L. Zhou, Ilya Kravchenko, J. J. Thaler, J. Kandaswamy, C. D. Jones, M. S. Alam, J. W. Hinson, A. J. Weinstein, Horst Severini, J. A. Ernst, T. Hart, E. I. Shibata, Tomasz Skwarnicki, M.A. Palmer, K. Honscheid, R. J. Wilson, C.Y. Prescott, D. Peterson, T. Riehle, S. B. Anderson, R. M. Hans, A. D. Foland, M. L. Perl, H. N. Nelson, C. Bebek, J. Gronberg, K. W. McLean, Sheldon Stone, S. J. Richichi, Yuichi Kubota, Xingjiang Zhou, S.C. Timm, A. Wolf, H. Schwarthoff, Paul Avery, D. Ugolini, J. Roy, G. E. Gladding, W. M. Sun, S. W. Gray, N. Kwak, R. Janicek, Alexander Ershov, James E. Fast, J. E. Duboscq, K. W. Edwards, Ian Shipsey, Jianqiao Ye, A. Gritsan, Dj Lange, Philip Baringer, M. Bishai, M. Ogg, M. Dickson, H. Yamamoto, K. M. Ecklund, G. J. Zhou, Ryszard Stroynowski, Andreas Warburton, S. Schrenk, Yanwen Liu, J. G. Smith, C. P. Jessop, E. M. Potter, S. Prell, A. L. Lyon, S. Kotov, L. P. Perera, P. I. Hopman, R. Ammar, J. Lorenc, N. Menon, H. P. Paar, T. Wlodek, I. C. Lai, S. Chan, S. Roberts, I. Narsky, A. Shapiro, J. L. Rodriguez, G. Eigen, R. Davis, P. Skubic, B. E. Berger, D. Roberts, M. A. Marsh, S. B. Athar, E. Nordberg, Frank Würthwein, G. Viehhauser, Alain Bellerive, J. Urheim, I. Korolkov, E. Dambasuren, N. B. Mistry, Marina Artuso, D. M. Asner, C. Gwon, P. M. Patel, R. Baker, Jing Wang, L. K. Gibbons, Alexander Undrus, D. H. Miller, A. Soffer, P. Gaidarev, T. Bergfeld, S. E. Csorna, B. H. Behrens, W. T. Ford, A. I. Rubiera, K. Kinoshita, R. D. Kass, G. W. Brandenburg, T. K. Nelson, Yurii Maravin, A. M. Smith, M. M. Zoeller, R. Godang, T. Lee, M. Schmidtler, R. Mountain, M. Lohner, D. G. Cassel, J. J. O'Neill, R. Poling, P. S. Drell, I. Karliner, B. I. Eisenstein, K. Lingel, D. Cinabro, and B. Gittelman
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Physics ,Particle decay ,Crystallography ,Particle physics ,010308 nuclear & particles physics ,0103 physical sciences ,Fragmentation function ,General Physics and Astronomy ,Cornell Electron Storage Ring ,010306 general physics ,01 natural sciences ,Sigma baryon - Abstract
We report the first observation of two narrow charmed strange baryons decaying to {Xi}{sup +}{sub c}{gamma} and {Xi}{sup 0}{sub c}{gamma} , respectively, using data from the CLEO II detector at the Cornell Electron Storage Ring. We interpret the observed signals as the {Xi}{sup +{prime}}{sub c}thinsp( c{l_brace}su{r_brace}) and {Xi}{sup 0{prime}}{sub c}thinsp( c{l_brace}sd{r_brace}) , the symmetric partners of the well-established antisymmetric {Xi}{sup +}{sub c}thinsp(c[ su]) and {Xi}{sup 0}{sub c}thinsp(c[ sd]) . The mass differences M({Xi}{sup +{prime}}{sub c}){minus}M( {Xi}{sup +}{sub c}) and M({Xi}{sup 0{prime}}{sub c}){minus}M( {Xi}{sup 0}{sub c}) have been measured to be 107.8{plus_minus}1.7{plus_minus}2.5 and 107.0{plus_minus}1.4{plus_minus}2.5 MeV /c{sup 2} , respectively. {copyright} {ital 1999} {ital The American Physical Society }
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- 1999
- Full Text
- View/download PDF
50. First Observation of the Decayτ−→K*−ηντ
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M. Bishai, S. Chen, J. Fast, J. W. Hinson, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, S. Glenn, Y. Kwon, A. L. Lyon, S. Roberts, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, V. Savinov, D. Ugolini, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, E. Dambasuren, S. Kopp, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, A. Titov, G. Viehhauser, J. C. Wang, J. Bartelt, S. E. Csorna, K. W. McLean, S. Marka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, S. Chan, G. Eigen, E. Lipeles, J. S. Miller, M. Schmidtler, A. Shapiro, W. M. Sun, J. Urheim, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma, D. M. Asner, J. Gronberg, T. S. Hill, D. J. Lange, R. J. Morrison, H. N. Nelson, T. K. Nelson, D. Roberts, B. H. Behrens, W. T. Ford, A. Gritsan, H. Krieg, J. Roy, J. G. Smith, J. P. Alexander, R. Baker, C. Bebek, B. E. Berger, K. Berkelman, V. Boisvert, D. G. Cassel, D. S. Crowcroft, M. Dickson, S. von Dombrowski, P. S. Drell, K. M. Ecklund, R. Ehrlich, A. D. Foland, P. Gaidarev, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, P. I. Hopman, J. Kandaswamy, D. L. Kreinick, T. Lee, Y. Liu, N. B. Mistry, C. R. Ng, E. Nordberg, M. Ogg, J. R. Patterson, D. Peterson, D. Riley, A. Soffer, B. Valant-Spaight, A. Warburton, C. Ward, M. Athanas, P. Avery, C. D. Jones, M. Lohner, C. Prescott, A. I. Rubiera, J. Yelton, J. Zheng, G. Brandenburg, R. A. Briere, A. Ershov, Y. S. Gao, D. Y.-J. Kim, R. Wilson, H. Yamamoto, T. E. Browder, Y. Li, J. L. Rodriguez, S. K. Sahu, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, A. Bellerive, R. Janicek, P. M. Patel, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, C. Darling, R. Davis, S. Kotov, I. Kravchenko, N. Kwak, L. Zhou, S. Anderson, Y. Kubota, S. J. Lee, R. Mahapatra, J. J. O'Neill, R. Poling, T. Riehle, A. Smith, M. S. Alam, S. B. Athar, Z. Ling, A. H. Mahmood, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, K. K. Gan, T. Hart, K. Honscheid, H. Kagan, R. Kass, J. Lee, H. Schwarthoff, A. Wolf, M. M. Zoeller, S. J. Richichi, H. Severini, P. Skubic, and A. Undrus
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Physics ,Particle physics ,Particle decay ,Crystallography ,Meson ,010308 nuclear & particles physics ,Branching fraction ,0103 physical sciences ,General Physics and Astronomy ,010306 general physics ,01 natural sciences - Abstract
The decay {tau}{sup {minus}}{r_arrow}K{sup {asterisk}{minus}}{eta}{nu}{sub {tau}} has been observed with the CLEOthinspthinspII detector. The K{sup {asterisk}{minus}} is reconstructed in two decay channels, K{sup {asterisk}{minus}}{r_arrow}K{sub S}{pi}{sup {minus}}{r_arrow} {pi}{sup {minus}}{pi}{sup +}{pi}{sup {minus}} and K{sup {asterisk}{minus}}{r_arrow}K{sup {minus}}{pi}{sup 0} . The {eta} is reconstructed from the decay {eta}{r_arrow}{gamma}{gamma} . The measured branching fraction is B({tau}{sup {minus}}{r_arrow}K{sup {asterisk}{minus}} {eta}{nu}{sub {tau}})=(2.9{plus_minus} 0.8{plus_minus}0.4){times}10{sup {minus}4} . We also measure the inclusive branching fractions without requiring the K{sup {asterisk}} resonance, B({tau}{sup {minus}}{r_arrow}K{sub S}{pi}{sup {minus}}{eta}{nu}{sub {tau}})=(1.10 {plus_minus}0.35{plus_minus}0.11){times}10{sup {minus}4} and B({tau}{sup {minus}}{r_arrow}K{sup {minus}}{pi}{sup 0}{eta}{nu}{sub {tau}})=(1.77 {plus_minus}0.56{plus_minus}0.71){times}10{sup {minus}4} . The results indicate that the K{sup {asterisk}{minus}} resonance dominates the K{sub S}{pi}{sup {minus}} mass spectrum. {copyright} {ital 1999} {ital The American Physical Society}
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- 1999
- Full Text
- View/download PDF
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