Charged lepton flavour violation: An experimental and theoretical introduction

被引:188
作者
Calibbi, Lorenzo [1 ]
Signorelli, Giovanni [2 ]
机构
[1] Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing, Peoples R China
[2] Ist Nazl Fis Nucl, Sez Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy
来源
RIVISTA DEL NUOVO CIMENTO | 2018年 / 41卷 / 02期
关键词
ELECTRON-NUMBER NONCONSERVATION; NEUTRINO YUKAWA COUPLINGS; TOP-QUARK PRODUCTION; SEE-SAW MECHANISM; 125 GEV HIGGS; MUON DECAY; RADIATIVE DECAY; BRANCHING RATIO; STANDARD MODEL; FERMION MASSES;
D O I
10.1393/ncr/i2018-10144-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Charged lepton flavour-violating transitions would be a clear signal of new physics beyond the Standard Model. Their search has been carried out in a variety of channels, the most sensitive being those involving a muon: however no positive evidence has been found so far. The MEG experiment has recently set the best limit on such processes by investigating the existence of the mu -> e gamma decay. In the next decade several experiments are planned to pursue the search for mu -> e gamma, mu -> eee, mu -> e conversion in nuclei, as well as on processes involving the tau, to an unprecedented level of precision. In this review we want to give a pedagogical introduction on the theoretical motivations for such searches as well as on the experimental aspects upon which they are based.
引用
收藏
页码:71 / 174
页数:104
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