Searches for quark and lepton compositeness
Searches for quark and lepton compositeness
复制标题
搜索夸克和轻子复合性
DOI:
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发表时间:
2000
期刊:
影响因子:
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通讯作者:
K. Hikasa
中科院分区:
文献类型:
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作者:
K. Hagiwara;K. Hikasa
91.1 Limits on contact interactions If quarks and leptons are made of constituents, then at the scale of constituent binding energies (compositeness scale) there should appear new interactions among them. At energies much below the compositeness scale (Λ), these interactions are suppressed by inverse powers of Λ. The dominant effect of the compositeness of fermion ψ should come from the lowest dimensional interactions with four fermions (contact terms), whose most general flavor-diagonal color-singlet chirally invariant form reads [1, 2] L = LLL + LRR + LLR + LRL,