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Search for Rare Decays of D^{0} Mesons into Two Muons.

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成果类型:
期刊论文
作者:
Aaij, R;Abdelmotteleb, A S W;Abellan Beteta, C;Abudinén, F;Ackernley, T;...
作者机构:
[Jans, E; Hulsbergen, W; Biolchini, A; Koppenburg, P; Galati, M D; Greeven, L M; Merk, M; Lukashenko, V; Heijhoff, K; Pellegrino, A; Schubiger, M; van Beuzekom, M; Kostiuk, I; Butter, J S; Ketel, T; Sanchez Gras, C; Graziani, G; Kotriakhova, S; Veronesi, M; Aaij, R; Ferreres Sole, S; Usachov, A; Snoch, A; Gabriel, E; Tuning, N; Bizzeti, A; Mauri, A; Akiba, K; Geertsema, R E] Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands
[Xu, M; Pagare, B; Abdelmotteleb, A S W; Muhammad, E; Monk, M; Ward, J A; Paolucci, L; Morris, A G; Wiederhold, A R; Henderson, R D L; Latham, T; Beck, A; Gershon, T; Graziani, G; Kotriakhova, S; Ramos Pernas, M; Kenzie, M; Blake, T; Cicala, M F; Bizzeti, A; Jones, T P; Vesterinen, M; Millard, E; Garcia Martin, L M; Hunter, R J; Back, J J; Kreps, M; Abudinén, F] Department of Physics, University of Warwick, Coventry, United Kingdom
[Mathad, A; Bezshyiko, Ia; Owen, P; Serra, N; Buonaura, A; Andersson, M; Bellee, V; Wang, Z; Atzeni, M; Steinkamp, O; Smith, E; Abellan Beteta, C; Müller, K; Esen, S; Ferrillo, M; Denysenko, V; Graziani, G; Kotriakhova, S; Lancierini, D; Craik, D C; De Simone, D; Eschle, J; Bernet, R; Bizzeti, A; Manzari, C A; Betancourt, C] Physik-Institut, Universität Zürich, Zürich, Switzerland
[Hennessy, K; Ackernley, T; Chadwick, A J; Harrison, T; Bowcock, T J V; Hutchcroft, D; Brown, J; Thomson, K A; Chavez Barajas, C A; Farry, S; Vilella Figueras, E; Rinnert, K; Marshall, P J; Yeomans, L E; Shears, T; Graziani, G; Kotriakhova, S; Mead, J V; Halewood-Leagas, T; Hammerich, J; Casse, G; Bizzeti, A; Scherl, S; Rodrigues, E; Franco Lima, V] Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
[Prouve, C; López Soliño, S; Rodriguez Rodriguez, E; Gallas Torreira, A; Vazquez Regueiro, P; Lomba Castro, J; Rodriguez Fernandez, E; Baladron Rodriguez, P; Fernandez Gomez, M; Corredoira, I; Romero Lamas, M; Chobanova, V; Adeva, B; Brossa Gonzalo, A; Casais Vidal, A; Cid Vidal, X; Pereiro Castro, A; Santamarina Rios, C; Plo Casasus, M; Dalseno, J; Novoa Fernandez, J; Gioventù, A; Graziani, G; Kotriakhova, S; Brea Rodriguez, A; Sellam, S; Romero Vidal, A; Van Hulse, C B; Belin, S; Garcia Plana, B; Dieste Maronas, L; Eirea Orro, C; Bizzeti, A; Martinez Santos, D; Mombächer, T; Saborido Silva, J J; Ruiz Fernandez, R A; Landesa Gomez, C] Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2023
卷:
131
期:
4
页码:
041804
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
A search for the very rare D^{0}→μ^{+}μ^{-} decay is performed using data collected by the LHCb experiment in proton-proton collisions at sqrt[s]=7, 8, and 13TeV, corresponding to an integrated luminosity of 9  fb^{-1}. The search is optimized for D^{0} mesons from D^{*+}→D^{0}π^{+} decays but is also sensitive to D^{0} mesons from other sources. No evidence for an excess of events over the expected background is observed. An upper limit on the branching fraction of this decay is set at B(D^{0}→μ^{+}μ^{-})

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