Sensitivity study of the charged lepton flavor violating process τ→γμ at STCF.

Autor: Xiang, Teng, Shi, Xiao-Dong, Wang, Da-Yong, Zhou, Xiao-Rong
Zdroj: European Physical Journal C -- Particles & Fields; Oct2023, Vol. 83 Issue 10, p1-8, 8p
Abstrakt: A sensitivity study for the search for the charged lepton flavor violating process τ → γ μ at the Super τ -Charm Facility is performed with a fast simulation. With the expected performance of the current detector design and an integrated luminosity of 1 ab - 1 corresponding to one-year of data taking, the sensitivity on the branching fraction (BF) of τ → γ μ is estimated to be at the level of 10 - 8 . The sensitivity under different detector performances are also studied. With ideal performance, the BF could be probed to be 2.8 × 10 - 8 at 90% confidence level. The sensitivity is expected to scale with the square root of the luminosity, therefore with a total luminosity of 10 ab - 1 corresponding to ten-year of data taking, the sensitivity could reach 8.8 × 10 - 9 , which is about one order of magnitude improvement upon the current best upper limit. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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