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Cyclotron Radiation Emission Spectroscopy of Electrons from Tritium Beta Decay and $^{83\rm m}$Kr Internal Conversion

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Main Authors:	Project 8 Collaboration, Esfahani, A. Ashtari, Böser, S., Buzinsky, N., Carmona-Benitez, M. C., Claessens, C., de Viveiros, L., Doe, P. J., Fertl, M., Formaggio, J. A., Gaison, J. K., Gladstone, L., Guigue, M., Hartse, J., Heeger, K. M., Huyan, X., Jones, A. M., Kazkaz, K., LaRoque, B. H., Li, M., 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., De Jesús, D. Rosa, Rybka, G., Saldaña, L., Schram, M., Slocum, P. L., Stachurska, J., Sun, Y. -H., 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:	Preprint
Published:	2023
Subjects:	Nuclear Experiment High Energy Physics - Experiment
Online Access:	Acceder al recurso
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_version_	1866916540690989056
author	Project 8 Collaboration Esfahani, A. Ashtari Böser, S. Buzinsky, N. Carmona-Benitez, M. C. Claessens, C. de Viveiros, L. Doe, P. J. Fertl, M. Formaggio, J. A. Gaison, J. K. Gladstone, L. Guigue, M. Hartse, J. Heeger, K. M. Huyan, X. Jones, A. M. Kazkaz, K. LaRoque, B. H. Li, M. 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. De Jesús, D. Rosa Rybka, G. Saldaña, L. Schram, M. Slocum, P. L. Stachurska, J. Sun, Y. -H. 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.
author_facet	Project 8 Collaboration Esfahani, A. Ashtari Böser, S. Buzinsky, N. Carmona-Benitez, M. C. Claessens, C. de Viveiros, L. Doe, P. J. Fertl, M. Formaggio, J. A. Gaison, J. K. Gladstone, L. Guigue, M. Hartse, J. Heeger, K. M. Huyan, X. Jones, A. M. Kazkaz, K. LaRoque, B. H. Li, M. 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. De Jesús, D. Rosa Rybka, G. Saldaña, L. Schram, M. Slocum, P. L. Stachurska, J. Sun, Y. -H. 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.
contents	Project 8 has developed a novel technique, Cyclotron Radiation Emission Spectroscopy (CRES), for direct neutrino mass measurements. A CRES-based experiment on the beta spectrum of tritium has been carried out in a small-volume apparatus. We provide a detailed account of the experiment, focusing on systematic effects and analysis techniques. In a Bayesian (frequentist) analysis, we measure the tritium endpoint as $18553^{+18}_{-19}$ ($18548^{+19}_{-19}$) eV and set upper limits of 155 (152) eV (90% C.L.) on the neutrino mass. No background events are observed beyond the endpoint in 82 days of running. We also demonstrate an energy resolution of $1.66\pm0.19$ eV in a resolution-optimized magnetic trap configuration by measuring $^{83\rm m}$Kr 17.8-keV internal-conversion electrons. These measurements establish CRES as a low-background, high-resolution technique with the potential to advance neutrino mass sensitivity.
format	Preprint
id	arxiv_https___arxiv_org_abs_2303_12055
institution	arXiv
publishDate	2023
record_format	arxiv
spellingShingle	Cyclotron Radiation Emission Spectroscopy of Electrons from Tritium Beta Decay and $^{83\rm m}$Kr Internal Conversion Project 8 Collaboration Esfahani, A. Ashtari Böser, S. Buzinsky, N. Carmona-Benitez, M. C. Claessens, C. de Viveiros, L. Doe, P. J. Fertl, M. Formaggio, J. A. Gaison, J. K. Gladstone, L. Guigue, M. Hartse, J. Heeger, K. M. Huyan, X. Jones, A. M. Kazkaz, K. LaRoque, B. H. Li, M. 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. De Jesús, D. Rosa Rybka, G. Saldaña, L. Schram, M. Slocum, P. L. Stachurska, J. Sun, Y. -H. 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. Nuclear Experiment High Energy Physics - Experiment Project 8 has developed a novel technique, Cyclotron Radiation Emission Spectroscopy (CRES), for direct neutrino mass measurements. A CRES-based experiment on the beta spectrum of tritium has been carried out in a small-volume apparatus. We provide a detailed account of the experiment, focusing on systematic effects and analysis techniques. In a Bayesian (frequentist) analysis, we measure the tritium endpoint as $18553^{+18}_{-19}$ ($18548^{+19}_{-19}$) eV and set upper limits of 155 (152) eV (90% C.L.) on the neutrino mass. No background events are observed beyond the endpoint in 82 days of running. We also demonstrate an energy resolution of $1.66\pm0.19$ eV in a resolution-optimized magnetic trap configuration by measuring $^{83\rm m}$Kr 17.8-keV internal-conversion electrons. These measurements establish CRES as a low-background, high-resolution technique with the potential to advance neutrino mass sensitivity.
title	Cyclotron Radiation Emission Spectroscopy of Electrons from Tritium Beta Decay and $^{83\rm m}$Kr Internal Conversion
topic	Nuclear Experiment High Energy Physics - Experiment
url	https://arxiv.org/abs/2303.12055