Title: KATRIN: status and prospects for the neutrino mass and beyond

Journal Article · · Journal of Physics. G, Nuclear and Particle Physics
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Abstract The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T 2 β decay, with the primary goal of probing the absolute mass scale of the neutrino. After a first tritium commissioning campaign in 2018, the experiment has been regularly running since 2019, and in its first two measurement campaigns has already achieved a sub-eV sensitivity. After 1000 days of data-taking, KATRIN’s design sensitivity is 0.2 eV at the 90% confidence level. In this white paper we describe the current status of KATRIN; explore prospects for measuring the neutrino mass and other physics observables, including sterile neutrinos and other beyond-Standard-Model hypotheses; and discuss research-and-development projects that may further improve the KATRIN sensitivity.

Research Organization:
Carnegie Mellon Univ., Pittsburgh, PA (United States); Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of North Carolina, Chapel Hill, NC (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
KATRIN Collaboration; KATRIN collaboration
Grant/Contract Number:
AC02-05CH11231; FG02-94ER40818; FG02-97ER41020; FG02-97ER41033; FG02-97ER41041; SC0004036; SC0011091; SC0019304
OSTI ID:
1886432
Journal Information:
Journal of Physics. G, Nuclear and Particle Physics, Journal Name: Journal of Physics. G, Nuclear and Particle Physics Journal Issue: 10 Vol. 49; ISSN 0954-3899
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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