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Z' of gauged baryon and lepton numbers at the large hadronic collider.

机译:大型强子对撞机上测得的重子和轻子数的Z'。

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摘要

The observation that the baryon number and the lepton number are conserved in nature provides strong motivation for associating gauge symmetries to these conserved numbers. This endeavor requires that the gauge group of electroweak interactions be extended from SU(2)L x U(1)Y to SU(2) L x U(1)R x U(1) baryon x U(1)lepton where U(1)R couples only to the right-handed quarks and leptons. If it is further postulated that right-handed currents exist on par with the left-handed ones, then the full electroweak symmetry is SU(2)L x SU(2)R x U(1)baryon x U(1) lepton. The SU(2)L x SU(2)R x U(1)baryon x U(1)lepton model is described in some detail. The triangle anomalies of the three families of quarks and leptons in the model are canceled by invoking leptoquark matter, which is new fermionic matter that carries baryon as well as lepton numbers. In addition to the standard neutral boson (Z°), the theory predicts two neutral gauge bosons with mass lower bounds of 120 GeV and 210 GeV respectively, which makes these particles prospective candidates for production at the Large Hadronic Collider (LHC).
机译:重子数和轻子数在本质上是守恒的观察为将量表对称性与这些守恒数相关联提供了强大的动力。此工作要求将电弱相互作用的规范组从SU(2)L x U(1)Y扩展到SU(2)L x U(1)R x U(1)重子x U(1)轻子,其中U (1)R仅耦合至右撇子夸克和轻子。如果进一步假设右手电流与左手电流同等存在,则完全电弱对称为SU(2)L x SU(2)R x U(1)重子x U(1)轻子。 SU(2)L x SU(2)R x U(1)重子x U(1)轻子模型进行了详细描述。模型中的三个夸克和轻子家族的三角形异常可通过调用轻子夸克物质消除,轻子夸克物质是携带重子和轻子数的新型费米离子物质。除了标准的中性玻色子(Z°)外,该理论还预测了两个质量规界的玻色子,其下限分别为120 GeV和210 GeV,这使得这些粒子成为大型强子对撞机(LHC)生产的潜在候选者。

著录项

  • 作者

    Wang, Hsi-Ching.;

  • 作者单位

    The Claremont Graduate University.;

  • 授予单位 The Claremont Graduate University.;
  • 学科 Applied Mathematics.;Physics Elementary Particles and High Energy.
  • 学位 Ph.D.
  • 年度 2011
  • 页码 50 p.
  • 总页数 50
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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