作者
Aram Hayrapetyan, Armen Tumasyan, Wolfgang Adam, Janik Walter Andrejkovic, Thomas Bergauer, Suman Chatterjee, Konstantinos Damanakis, Marko Dragicevic, Priya Sajid Hussain, Manfred Jeitler, Natascha Krammer, Ang Li, Dietrich Liko, Ivan Mikulec, Jochen Schieck, Robert Schöfbeck, Dennis Schwarz, Mangesh Sonawane, Sebastian Templ, Wolfgang Waltenberger, Claudia-Elisabeth Wulz, Mohamed Rashad Darwish, Tahys Janssen, Thomas van Laer, Pierre van Mechelen, Nordin Breugelmans, Jorgen d'Hondt, Soumya Dansana, Alexandre de Moor, Martin Delcourt, Felix Heyen, Steven Lowette, Inna Makarenko, Denise Müller, Stefaan Tavernier, Michael Tytgat, Gerrit Patrick van Onsem, Senne van Putte, David Vannerom, Bugra Bilin, Barbara Clerbaux, Aloke Kumar Das, Gilles de Lentdecker, Hugues Evard, Laurent Favart, Paraskevas Gianneios, Johny Jaramillo, Ali Khalilzadeh, Fakhri Alam Khan, Kyeongpil Lee, Mostafa Mahdavikhorrami, Andrea Malara, Santiago Paredes, Muhammad Aamir Shahzad, Laurent Thomas, Max Vanden Bemden, Pascal Vanlaer, Maarten de Coen, Didar Dobur, Gul Gokbulut, Yanwen Hong, Joscha Knolle, Luka Lambrecht, David Marckx, Kevin Mota Amarilo, Amrutha Samalan, Kirill Skovpen, Niels van den Bossche, Jan van der Linden, Liam Wezenbeek, Anna Benecke, Agni Bethani, Giacomo Bruno, Claudio Caputo, Jerome de Favereau de Jeneret, Christophe Delaere, Izzeddin Suat Donertas, Andrea Giammanco, Ahmet Oguz Guzel, Sandhya Jain, Vincent Lemaitre, Jindrich Lidrych, Paola Mastrapasqua, Tu Thong Tran, Sébastien Wertz, Gilvan Alves, Miguel Alves Gallo Pereira, Eduardo Coelho, Gilson Correia Silva, Carsten Hensel, Thales Menezes de Oliveira, Clemencia Mora Herrera, Arthur Moraes, Patricia Rebello Teles, Mariana Soeiro, Antonio Vilela Pereira, Walter Luiz Aldá Júnior, Mapse Barroso Ferreira Filho, Helena Brandao Malbouisson, Wagner Carvalho, Jose Chinellato, Eliza Melo da Costa, Gustavo Gil da Silveira, Dilson de Jesus Damiao, Sandro Fonseca de Souza, Raphael Gomes de Souza, Matheus Macedo, Jordan Martins, Luiz Mundim, Helio Nogima, Joao Pedro Pinheiro, Alberto Santoro, Andre Sznajder, Mauricio Thiel, Cesar Augusto Bernardes, Luigi Calligaris, Thiago Tomei, Eduardo de Moraes Gregores, Bruno Lopes da Costa, Isabela Maietto Silverio, Pedro G Mercadante, Sergio F Novaes, Breno Orzari, Sandra Padula, Aleksandar Aleksandrov, Georgy Antchev, Roumyana Hadjiiska, Plamen Iaydjiev, Milena Misheva, Mariana Shopova, Georgi Sultanov, Anton Dimitrov, Leander Litov, Borislav Pavlov, Peicho Petkov, Anton Petrov, Elton Shumka, Sumit Keshri, Shalini Thakur, Tongguang Cheng, Tahir Javaid, Li Yuan, Zhen Hu, Zhengchen Liang, Jinfeng Liu, Kai Yi, Guo-Ming Chen, He-Sheng Chen, Mingshui Chen, Fabio Iemmi
发表日期
2024/5/29
简介
A search is reported for charge-parity D KK violation in D KK decays, using data collected in proton-proton collisions at = 13 TeV recorded by the CMS experiment in 2018. The analysis uses a dedicated data set that corresponds to an integrated luminosity of 41.6 fb, which consists of about 10 billion events containing a pair of ẖadrons, nearly all of which decay to charm hadrons. The flavor of the neutral D meson is determined by the pion charge in the reconstructed decays D D and D D. The D KK asymmetry in D KK is measured to be ( KK) = (6.2 3.0 0.2 0.8)%, where the three uncertainties represent the statistical uncertainty, the systematic uncertainty, and the uncertainty in the measurement of the D KK asymmetry in the D K decay. This is the first D KK asymmetry measurement by CMS in the charm sector as well as the first to utilize a fully hadronic final state.
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