Tritium Beta Spectrum and Neutrino Mass Limit from Cyclotron Radiation Emission Spectroscopy

The absolute scale of the neutrino mass plays a critical role in physics at every scale, from the particle to the cosmological. Measurements of the tritium endpoint spectrum have provided the most precise direct limit on the neutrino mass scale. In this Letter, we present advances by Project 8 to th...

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Published in:arXiv.org 2023-03
Main Authors: Project 8 Collaboration, A Ashtari Esfahani, Böser, S, Buzinsky, N, Carmona-Benitez, M C, Claessens, C, de Viveiros, L, Doe, P J, Fertl, M, maggio, J A, Gaison, J K, Gladstone, L, Grando, M, Guigue, M, Hartse, J, Heeger, K M, Huyan, X, Johnston, J, Jones, A M, Kazkaz, K, LaRoque, B H, M Li, Lindman, A, Machado, E, Marsteller, A, Matthé, C, Mohiuddin, R, Monreal, B, Mueller, R, Nikkel, J A, Novitski, E, Oblath, N S, Peña, J I, Pettus, W, Reimann, R, Robertson, R G H, Rosa De Jesús, D, Rybka, G, Saldaña, L, Schram, M, Slocum, P L, Stachurska, J, Y -H Sun, Surukuchi, P T, Tedeschi, J R, Telles, A B, Thomas, F, Thomas, M, Thorne, L A, Thümmler, T, Tvrznikova, L, Van De Pontseele, W, VanDevender, B A, Weintroub, J, Weiss, T E, Wendler, T, Young, A, Zayas, E, Ziegler, A
Format: Article
Language:English
Subjects:
Cyclotron radiation
Cyclotrons
Emission spectroscopy
Emissions control
Neutrinos
Tritium
Online Access:Get full text
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Summary:The absolute scale of the neutrino mass plays a critical role in physics at every scale, from the particle to the cosmological. Measurements of the tritium endpoint spectrum have provided the most precise direct limit on the neutrino mass scale. In this Letter, we present advances by Project 8 to the Cyclotron Radiation Emission Spectroscopy (CRES) technique culminating in the first frequency-based neutrino mass limit. With only a cm\(^3\)-scale physical detection volume, a limit of \(m_\beta{
ISSN:2331-8422