...
【24h】

Searches for Majorana neutrinos in B ~- decays

机译:

获取原文
获取原文并翻译 | 示例
           

摘要

Searches for heavy Majorana neutrinos in B - decays in final states containing hadrons plus a μ ~-μ ~- pair have been performed using 0.41fb ~-1 of data collected with the LHCb detector in proton-proton collisions at a center-of-mass energy of 7 TeV. The D ~+μ ~-μ ~- and D * ~+μ ~-μ ~- final states can arise from the presence of virtual Majorana neutrinos of any mass. Other final states containing π ~+, Ds+, or D0π ~+ can be mediated by an on-shell Majorana neutrino. No signals are found and upper limits are set on Majorana neutrino production as a function of mass, and also on the B ~- decay branching fractions.

著录项

  • 来源
  • 作者单位

    European Organization for Nuclear Research (CERN), Geneva, Switzerland;

    School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom;

    Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russian FederationUniversidad de Santiago de Compostela, Santiago de Compostela, SpainSezione INFN di Roma la Sapienza, Roma, ItalyUniversidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, BrazilEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandPhysik-Institut, Universit?t Zürich, Zürich, SwitzerlandSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomMax-Planck-Institut für Kernphysik (MPIK), Heidelberg, GermanyLaboratori Nazionali dell'Infn di Frascati, Frascati, ItalyCC-IN2P3, CNRS/IN2P3, Lyon-Villeurbanne, FranceInstitute for High Energy Physics (IHEP), Protvino, Russian FederationCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FrancePhysikalisches Institut, Ruprecht-Karls-Universit?t Heidelberg, Heidelberg, GermanyNikhef National Institute for Subatomic Physics, Amsterdam, NetherlandsUniversitat de Barcelona, Barcelona, SpainUniversidad de Santiago de Compostela, Santiago de Compostela, SpH.H. Wills Physics Laboratory, University of Bristol, Bristol, United KingdomOliver Lodge Laboratory, University of Liverpool, Liverpool, United KingdomClermont Université, Université Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 粒子物理学;
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号