Angular analysis of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ in proton-proton collisions at $\sqrt{s} =$ 8 TeV
Albert M Sirunyan,Armen Tumasyan,Wolfgang Adam,Thomas Bergauer, Marko Dragicevic, Alberto Escalante del Valle,Rudolf Fruehwirth, Manfred Jeitler, Natascha Krammer,Lukas Lechner,Dietrich Liko, Ivan Mikulec, Florian Michael Pitters, Navid Rad, Jochen Schieck, Robert Schöfbeck,Markus Spanring, Sebastian Templ,Wolfgang Waltenberger, Claudia-Elisabeth Wulz, Mateusz Zarucki, Vladimir Chekhovsky, Aliaksandr Litomin,Vladimir Makarenko, Juan Suarez Gonzalez, Mohamed Rashad Darwish, Eddi A de Wolf,Xavier Janssen, Tomas Kello, Aleksandra Lelek, Maxim Pieters, Haifa Rejeb Sfar,Hans van Haevermaet,Pierre van Mechelen, Senne van Putte, Nick van Remortel, Freya Blekman, Emil Sørensen Bols, Simranjit Singh Chhibra, Jorgen d'Hondt, Jarne de Clercq, Denys Lontkovskyi, Steven Lowette, Ivan Marchesini,Seth Moortgat, Alexander Morton, Denise Müller, Quentin Python,Stefaan Tavernier, Walter van Doninck, Petra van Mulders,Diego Beghin, Bugra Bilin, Barbara Clerbaux,Gilles de Lentdecker, Brian Dorney, Laurent Favart, Anastasia Grebenyuk, Amandeep Kaur Kalsi,Inna Makarenko, Louis Moureaux, Laurent Pétré,Andrey Popov, Nicolas Postiau, Elizabeth Starling,Laurent Thomas, Catherine Vander Velde, Pascal Vanlaer, David Vannerom, Liam Wezenbeek,Tom Cornelis, Didar Dobur, Marek Gruchala,Illia Khvastunov, Gianny Mestdach,Marek Niedziela,Christos Roskas, Kirill Skovpen, Michael Tytgat,Willem Verbeke, Basile Vermassen, Martina Vit,Giacomo Bruno, Florian Joel J Bury, Claudio Caputo,Pieter David, Christophe Delaere,Martin Delcourt, Izzeddin Suat Donertas,Andrea Giammanco, Vincent Lemaitre, Kuntal Mondal, Jessica Prisciandaro, Angela Taliercio, Maksym Teklishyn, Pietro Vischia,Sébastien Wertz, Sophie Wuyckens, Gilvan Alves, Carsten Hensel,Arthur Moraes, Walter Luiz Aldá Júnior, Ewerton Belchior Batista das Chagas, Helena Brandao Malbouisson, Wagner Carvalho, Jose Chinellato,Eduardo Coelho, Eliza Melo da Costa, Gustavo Gil da Silveira, Dilson de Jesus Damiao,Sandro Fonseca de Souza, Jordan Martins, Diego Matos Figueiredo, Miguel Medina Jaime, Clemencia Mora Herrera, Luiz Mundim,Helio Nogima, Patricia Rebello Teles, Luis Sanchez Rosas, Alberto Santoro,Sheila Mara Silva Amaral, Andre Sznajder, Mauricio Thiel, Felipe Torres da Silva de Araujo, Antonio Vilela Pereira, Cesar Augusto Bernardes, Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores, Dener de Souza Lemos, Pedro G Mercadante,Sergio F Novaes,Sandra Padula, Aleksandar Aleksandrov, Georgy Antchev, Ivan Atanasov, Roumyana Hadjiiska,Plamen Iaydjiev, Milena Misheva, Mircho Rodozov, Mariana Shopova, Georgi Sultanov, Anton Dimitrov,Todor Ivanov,Leander Litov, Borislav Pavlov,Peicho Petkov,Anton Petrov,Tongguang Cheng,Wenxing Fang,Qianying Guo,Hanwen Wang, Li Yuan,Muhammad Ahmad,Gerry Bauer,Zhen Hu,Yi Wang,Kai Yi,Emilien Chapon,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen, Tahir Javaid, Anshul Kapoor, Duncan Leggat,Hongbo Liao,Zhenan Liu, Ramkrishna Sharma, Aniello Spiezia,Junquan Tao,Joshuha Thomas-Wilsker,Jin Wang,Huaqiao Zhang,Sijing Zhang,Jingzhou Zhao, Antonis Agapitos,Yong Ban, Cheng Chen,Qianming Huang, Andrew Levin,Qiang Li,Meng Lu, Xudong Lyu,Yajun Mao,Si-Jin Qian,Dayong Wang,Qun Wang,Jie Xiao,Zhengyun You,Xuyang Gao,Meng Xiao,Carlos Avila,Andrés Cabrera,Carlos Florez,Jorge Fraga, Amal Sarkar, Manuel Alejandro Segura Delgado, Johny Jaramillo, Jhovanny Mejia Guisao,Felipe Ramirez, José David Ruiz Alvarez, Camilo Andrés Salazar González, Nelson Vanegas Arbelaez, Duje Giljanovic,Nikola Godinovic,Damir Lelas,Ivica Puljak,Zeljko Antunovic,Marko Kovac,Toni Sculac,Vuko Brigljevic, Dinko Ferencek, Devdatta Majumder, Matej Roguljic, Andrei Starodumov, Tatjana Susa,Mohsan Waseem Ather, Alexandros Attikis, Eleni Erodotou, Aimilios Ioannou, Gouranga Kole, Marina Kolosova, Sotiroulla Konstantinou,Jehad Mousa, Charalambos Nicolaou, Fotios Ptochos, Panos A Razis,Hans Rykaczewski, Halil Saka, Demetra Tsiakkouri, Miroslav Finger, Michael Finger, Antonin Kveton, Jan Tomsa, Edy Ayala, Edgar Carrera Jarrin, Shimaa Abu Zeid, Shaaban Khalil,Elsayed Salama,Mohammed Mahmoud, Yasser Mohammed,Sandeep Bhowmik, Alexandra Carvalho Antunes de Oliveira, Ram Krishna Dewanjee, Karl Ehataht,Mario Kadastik,Joosep Pata,Martti Raidal, Christian Veelken,Paula Eerola, Laurent Forthomme,Henning Kirschenmann,Kenneth Osterberg,Mikko Voutilainen, Erik Brücken, Francisco Ignacio Garcia Fuentes, Joona Havukainen,Veikko Karimäki,Min Suk Kim, Ritva Kinnunen,Tapio Lampén,Kati Lassila-Perini,Sami Lehti, Tomas Lindén, Hannu Siikonen,Eija Tuominen, Jorma Tuominiemi, Panja-Riina Luukka,Tuure Tuuva, Chiara Amendola, Marc Besancon,Fabrice Couderc, Marc Dejardin,Daniel Denegri,Jean-Louis Faure,Federico Ferri,Serguei Ganjour, Alain Givernaud, Philippe Gras, Gautier Hamel de Monchenault,Patrick Jarry,Bruno Lenzi,Elizabeth Locci,Julie Malcles, John Rander,André Rosowsky, Mehmet Özgür Sahin,Aurore Savoy-Navarro, Maksym Titov, Geum Bong Yu,Sudha Ahuja,Florian Beaudette, Matteo Bonanomi, Axel Buchot Perraguin,Philippe Busson, Claude Charlot,Olivier Davignon, Batoul Diab, Guillaume Falmagne, Raphael Granier de Cassagnac, Alexandre Hakimi, Inna Kucher, Artur Lobanov, Cristina Martin Perez,Matthew Nguyen, Christophe Ochando, Pascal Paganini, Jonas Rembser, Roberto Salerno, Jean-Baptiste Sauvan,Yves Sirois, Alexandre Zabi, Amina Zghiche, Jean-Laurent Agram, Jeremy Andrea,Daniel Bloch, Guillaume Bourgatte,Jean-Marie Brom,Eric Christian Chabert, Caroline Collard,Jean-Charles Fontaine, Denis Gelé,Ulrich Goerlach, Clément Grimault, Anne-Catherine Le Bihan, Pierre van Hove,Ece Asilar, Stephanie Beauceron, Colin Bernet, Gaelle Boudoul, Camille Camen, Aurélien Carle,Nicolas Chanon, Didier Contardo, Pierre Depasse, Houmani El Mamouni, Jean Fay,Susan Gascon,Maxime Gouzevitch, Bernard Ille,Sandhya Jain,Imad Baptiste Laktineh, Hugues Lattaud, Antoine Lesauvage,Morgan Lethuillier, Laurent Mirabito,Konstantin Shchablo, Lucas Torterotot, Gaël Touquet, Muriel Vander Donckt,Sébastien Viret, Arsen Khvedelidze,Zviad Tsamalaidze,Lutz Feld,Katja Klein, Martin Lipinski, Danilo Meuser, Alexander Pauls, Max Philip Rauch, Johannes Schulz, Marius Teroerde, Dmitry Eliseev,Martin Erdmann, Peter Fackeldey,Benjamin Fischer, Saranya Ghosh,Thomas Hebbeker, Kerstin Hoepfner, Henning Keller, Luca Mastrolorenzo, Markus Merschmeyer, Arnd Meyer, Giovanni Mocellin, Spandan Mondal,Swagata Mukherjee, Dennis Noll, Andrzej Novak,Tobias Pook, Andrey Pozdnyakov, Yannik Rath,Hans Reithler, Jonas Roemer,Alexander Schmidt, Simon Christoph Schuler, Sebastian Wiedenbeck,Shawn Zaleski, Christian Dziwok,Günter Flügge, Wael Haj Ahmad, Olena Hlushchenko,Thomas Kress, Andreas Nowack,Claudia Pistone,Oliver Pooth,Dennis Roy,Hale Sert,Achim Stahl, Tim Ziemons, Henriette Aarup Petersen, Maria Aldaya Martin, Paul Asmuss, Illia Babounikau,Samuel Baxter, Olaf Behnke, Armando Bermúdez Martínez, Afiq Aizuddin Bin Anuar, Kerstin Borras, Valeria Botta,David Brunner,Alan Campbell,Andrea Cardini,Patrick Connor, Sandra Consuegra Rodríguez, Vladyslav Danilov, Adinda de Wit, Matteo Maria Defranchis, Leonid Didukh, Daniela Domínguez Damiani,Guenter Eckerlin, Doris Eckstein,Luis Ignacio Estevez Banos,Elisabetta Gallo, Achim Geiser, Angela Giraldi, Alexander Grohsjean, Moritz Guthoff,Ali Harb, Abideh Jafari, Nur Zulaiha Jomhari,Hannes Jung,Ashraf Mohamed, Matthias Kasemann, Hessamoddin Kaveh, Claus Kleinwort, Joscha Knolle, Dirk Krücker,Wolfgang Lange,Teresa Lenz, Jindrich Lidrych, Katerina Lipka,Wolfgang Lohmann, Thomas Madlener, Rainer Mankel, Isabell-Alissandra Melzer-Pellmann, Josry Metwally, Andreas Bernhard Meyer, Mareike Meyer,Joachim Mnich, Andreas Mussgiller, Volodymyr Myronenko, Younes Otarid, Danyer Pérez Adán, Svenja Karen Pflitsch, Daniel Pitzl, Alexei Raspereza, Alessia Saggio, Andrej Saibel, Mykola Savitskyi, Valerie Scheurer,Christian Schwanenberger, Akshansh Singh, Rafael Eduardo Sosa Ricardo, Nicolas Tonon, Oleksii Turkot, Antonio Vagnerini, Merijn van de Klundert, Roberval Walsh,David Walter,Yiwen Wen, Katarzyna Wichmann,Christoph Wissing,Sebastian Wuchterl, Oleksandr Zenaiev, Radek Zlebcik,Robin Aggleton,Samuel Bein, Lisa Benato, Anna Benecke, Ksenia de Leo,Torben Dreyer,Aliakbar Ebrahimi, Melanie Eich, Finn Feindt, Alexander Fröhlich,Christoph Garbers,Erika Garutti, Paolo Gunnellini, Johannes Haller,Andreas Hinzmann, Anastasia Karavdina,Gregor Kasieczka,Robert Klanner,Roman Kogler, Viktor Kutzner, Johannes Lange,Torben Lange, Andrea Malara, Caroline Elisabeth Niniane Niemeyer, Aliya Nigamova, Karla Josefina Pena Rodriguez
user-5f8cf7e04c775ec6fa691c92（2020）
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摘要
Angular distributions of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ are studied using events collected with the CMS detector in $\sqrt{s}=$ 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb$^{-1}$. The forward-backward asymmetry of the muons and the longitudinal polarization of the K$^*$(892)$^+$ meson are determined as a function of the square of the dimuon invariant mass. These are the first results from this exclusive decay mode and are in agreement with a standard model prediction.
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关键词
Meson,Muon,Large Hadron Collider,Proton,Invariant mass,Luminosity,Asymmetry,Standard Model,Nuclear physics,Physics
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