CERN Accelerating science

Article
Title	DsTau: study of tau neutrino production with nuclear emulsion in the CERN-SPS
Author(s)	Guler, Ali Murat (Middle East Tech. U., Ankara)
Collaboration	DsTau Collaboration
Publication	2022
Number of pages	5
In:	SciPost Phys. Proc. 8 (2022) 094
In:	XXVIII International Workshop on Deep-Inelastic Scattering and Related Subjects, Online, Online, 12 - 16 Apr 2021, pp.094
DOI	10.21468/SciPostPhysProc.8.094
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CERN SPS ; NA65
Abstract	Tau neutrino is one of the least known particle of Standard Model; there are only few measurements with a limited statistics. The DONUT experiment first reported the tau neutrino interaction cross-section but their measurement suffers from large systematic error of more than $50\%$ which is mainly due to uncertainty in the tau neutrino flux prediction. The tau neutrino cross section is an essential ingredient in neutrino experiments and its precise measurement would enable a search for new physics effects such as testing the Lepton Universality in neutrino interactions. The main goal of the DsTau experiment is to measure an inclusive differential cross-section of a $D_s$ production with a consecutive decay to tau lepton in p-A interactions at the CERN-SPS. The measurement of DsTau will reduce the systematic uncertainty in tau neutrino interaction cross-section to $10\%$ level. The results from the pilot run and the prospect for physics runs in 2021-2022 will be discussed.
Copyright/License	© 2022-2025 A. Murat Guler et al. publication: (License: CC-BY-4.0)

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