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| 題名: | Angular analysis of the decay B0 → K⁎0μ+μ− from pp collisions at √s=8 TeV |
| 作者: | 林宗泰;Levine, Aaron;Poehlsen, Jennifer;Apresyan, Artur;Bagliesi, Giuseppe;Velkovska, Julia;Varelas, Nikos;Wöhrmann, Clemens;Seva, Tomislav;Innocente, Vincenzo;Swain, Sanjay Kumar;Hadjiiska, Roumyana;Gascon, Susan;Geiser, Achim;Spalding, William J;Shukla, Prashant;Roscher, Frank;Colaleo, Anna;Piotrzkowski, Krzysztof;Steinbrück, Georg;Avetisyan, Aram;Rose, Anthony;Li, Qiang;Elliott-Peisert, Anna;Farrell, Chris;Mittal, Monika;Junkes, Alexandra;Pekkanen, Juska;Pant, Lalit Mohan;Tricomi, Alessia;Martinez, German;Cockerill, David JA;Ferencek, Dinko;Marchesini, Ivan;Haas, Jeff;Tosi, Nicolò;Ekmedzic, Marko;Lu, Ying;Alyari, Maral;Brooke, James John;Mott, Alexander;Ahmad, Ashfaq;Mohanty, Ajit Kumar;Spiropulu, Maria;De Moraes Gregores, Eduardo;Malcles, Julie;Dewanjee, Ram Krishna;Tamponi, Umberto;Jain, Shilpi;Luyckx, Sten;Fabbri, Fabrizio;Berry, Edmund;Chwalek, Thorsten;Paktinat Mehdiabadi, Saeid;Nowatschin, Dominik;Korol, Ievgen;Szillasi, Zoltan;Woods, Nathaniel;Hatakeyama, Kenichi;Kazana, Malgorzata;Dumanoglu, Isa;Frueboes, Tomasz;Brandt, Stephanie;Bachtis, Michail;Costa, Salvatore;Gerosa, Raffaele;Letts, James;Kim, Tae Jeong;Saka, Halil;Skatchkov, Nikolai;Piparo, Danilo;Beck, Lana;Van Mechelen, Pierre;Castaneda Hernandez, Alfredo;Fulcher, Jonathan;West, Christopher;Gomez, Gervasio;Gninenko, Sergei;Dinardo, Mauro Emanuele;Ptochos, Fotios;Ford, William T;Dini, Paolo;Kovalskyi, Dmytro;Damgov, Jordan;Chao, Yuan;Beri, Suman Bala;Cankocak, Kerem;Lesko, Zachary;Van Remortel, Nick;Rodozov, Mircho;Halkiadakis, Eva;Navarria, Francesco;Girgis, Semiray;Bellan, Riccardo;Kim, Gui Nyun;Sanders, Stephen;Brochet, Sébastien;De La Cruz, Begona;Goldstein, Joel;Naumann-Emme, Sebastian;Pegoraro, Matteo |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | B0 decays;CMS;Experiment;Particle Physics;physics |
| 日期: | 2016-02-10 |
| 上傳時間: | 2026-04-23 11:42:40 (UTC+8) |
| 出版者: | United States: Elsevier |
| 摘要: | 摘要： The angular distributions and the differential branching fraction of the decay $ \mathrm{ B^0 \to K^{*}(892)^0 \mu^{+} \mu^{-} }$ are studied using data corresponding to an integrated luminosity of 20.5 fb$^{-1}$ collected with the CMS detector at the LHC in pp collisions at $\sqrt{s} =$ 8 TeV. From 1430 signal decays, the forward-backward asymmetry of the muons, the $\mathrm{ K^{*}(892)^0 }$ longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. The measurements are among the most precise to date and are in good agreement with standard model predictions. The angular distributions and the differential branching fraction of the decay B0→K⁎(892)0μ+μ− are studied using data corresponding to an integrated luminosity of 20.5 fb −1 collected with the CMS detector at the LHC in pp collisions at s=8 TeV . From 1430 signal decays, the forward–backward asymmetry of the muons, the K⁎(892)0 longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. The measurements are among the most precise to date and are in good agreement with standard model predictions. The angular distributions and the differential branching fraction of the decay B0 to K*0(892) mu mu are studied using data corresponding to an integrated luminosity of 20.5 inverse femtobarns collected with the CMS detector at the LHC in pp collisions at sqrt(s) = 8 TeV. From 1430 signal decays, the forward-backward asymmetry of the muons, the K*0(892) longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. The measurements are among the most precise to date and are in good agreement with standard model predictions.
出版者： United States: Elsevier
出版日期： 2015-12-11
出處： Physics letters. B, 2015-12, Vol.753
資源來源： Elsevier ScienceDirect Journals Complete
識別號： ISSN: 0370-2693
識別號： DOI: 10.1016/j.physletb.2015.12.020 |
| 顯示於類別: | [物理學系] 期刊論文
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