Can we constrain anomalous magnetic and/or electric dipole moments of tau lepton from PbPb→PbPbτ+τ− reaction at the LHC ?
A. Szczurek and
M. Kłusek-Gawenda*
*: corresponding author
Pre-published on:
January 29, 2021
Published on:
April 15, 2021
Abstract
We discuss a possibility of extracting anomalous electromagnetic couplings of the tau lepton in ultraperipheral ultrarelativistic heavy ion collisions. Nuclear cross section for exclusive τ+τ− production shows sizeable dependence on anomalous magnetic moment. We also investigated the expected sensitivity on aτ and dτ, assuming standard LHC detectors using the currently available as well as future datasets. The expected limits on aτ with existing Pb+Pb dataset are found to be better by a factor of two comparing to the current best experimental limits and can be further improved by another factor of two at High Luminosity LHC.
DOI: https://doi.org/10.22323/1.390.0580
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