TY - JOUR

T1 - Mu2e Run I Sensitivity Projections for the Neutrinoless Conversion Search in Aluminum

AU - Mu2e Collaboration

AU - Amirkhanov, A.

AU - Logashenko, I.

AU - Zhadan, D.

N1 - This work was supported by the US Department of Energy; the Istituto Nazionale di Fisica Nucleare, Italy; the Science and Technology Facilities Council, UK; the Ministry of Education and Science, Russian Federation; the National Science Foundation, USA; the National Science Foundation, China; the Helmholtz Association, Germany; and the EU Horizon 2020 Research and Innovation Program under the Marie Sklodowska-Curie Grant Agreement Nos. 734303, 822185, 858199, 101003460, and 101006726. This document was prepared by members of the Mu2e Collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. Публикация для корректировки.

PY - 2023/1

Y1 - 2023/1

N2 - The Mu2e experiment at Fermilab will search for the neutrinoless (Formula presented.) conversion in the field of an aluminum nucleus. The Mu2e data-taking plan assumes two running periods, Run I and Run II, separated by an approximately two-year-long shutdown. This paper presents an estimate of the expected Mu2e Run I search sensitivity and includes a detailed discussion of the background sources, uncertainties of their prediction, analysis procedures, and the optimization of the experimental sensitivity. The expected Run I (Formula presented.) discovery sensitivity is (Formula presented.), with a total expected background of (Formula presented.) events. In the absence of a signal, the expected upper limit is (Formula presented.) at 90% CL. This represents a three order of magnitude improvement over the current experimental limit of (Formula presented.) at 90% CL set by the SINDRUM II experiment.

AB - The Mu2e experiment at Fermilab will search for the neutrinoless (Formula presented.) conversion in the field of an aluminum nucleus. The Mu2e data-taking plan assumes two running periods, Run I and Run II, separated by an approximately two-year-long shutdown. This paper presents an estimate of the expected Mu2e Run I search sensitivity and includes a detailed discussion of the background sources, uncertainties of their prediction, analysis procedures, and the optimization of the experimental sensitivity. The expected Run I (Formula presented.) discovery sensitivity is (Formula presented.), with a total expected background of (Formula presented.) events. In the absence of a signal, the expected upper limit is (Formula presented.) at 90% CL. This represents a three order of magnitude improvement over the current experimental limit of (Formula presented.) at 90% CL set by the SINDRUM II experiment.

KW - LFV

KW - lepton flavor violation

KW - muon conversion

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85146808856&origin=inward&txGid=8ce86d0333d57f350c837463bdd36990

UR - https://www.mendeley.com/catalogue/06753cf2-d887-3694-8180-5dbd12ec89da/

U2 - 10.3390/universe9010054

DO - 10.3390/universe9010054

M3 - Article

VL - 9

JO - Universe

JF - Universe

SN - 2218-1997

IS - 1

M1 - 54

ER -