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Byron, W.; Harrington, H.; Taylor, R. J.; DeGraw, W.; Buzinsky, N.; Dodson, B.; Fertl, M.; García, A.; Garvey, G.; Graner, B.; Guigue, M.; Hayen, L.; Huyan, X.; Khaw, K. S.; Knutsen, K.; McClain, D.; Melconian, D.; Müller, P.; Novitski, E.; Oblath, N. S.; Robertson, R. G. H.; Rybka, G.; Savard, G.; Smith, E.; Stancil, D. D.; Sternberg, M.; Storm, D. W.; Swanson, H. E.; Tedeschi, J. R.; VanDevender, B. A.; Wietfeldt, F. E.; Young, A. R.; Zhu, X.
Physical review letters, 08/2023, Letnik: 131, Številka: 8Journal Article
We present an apparatus for detection of cyclotron radiation yielding a frequency-based β± kinetic energy determination in the 5 keV to 2.1 MeV range, characteristic of nuclear β decays. The cyclotron frequency of the radiating β particles in a magnetic field is used to determine the β energy precisely. Our work establishes the foundation to apply the cyclotron radiation emission spectroscopy (CRES) technique, developed by the Project 8 Collaboration, far beyond the 18-keV tritium endpoint region. We report initial measurements of β–’s from 6He and β+’s from 19Ne decays to demonstrate the broadband response of our detection system and assess potential systematic uncertainties for β spectroscopy over the full (MeV) energy range. To our knowledge, this is the first direct observation of cyclotron radiation from individual highly relativistic β’s in a waveguide. Furthermore, this work establishes the application of CRES to a variety of nuclei, opening its reach to searches for new physics beyond the TeV scale via precision β-decay measurements.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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