학술논문
Larmor Power Limit for Cyclotron Radiation of Relativistic Particles in a Waveguide
Document Type
Working Paper
Author
Buzinsky, N.; Taylor, R. J.; Byron, W.; DeGraw, W.; Dodson, B.; Fertl, M.; García, A.; Goodson, A. P.; Graner, B.; Harrington, H.; Hayen, L.; Malavasi, L.; McClain, D.; Melconian, D.; Müller, P.; Novitski, E.; Oblath, N. S.; Robertson, R. G. H.; Rybka, G.; Savard, G.; Smith, E.; Stancil, D. D.; Storm, D. W.; Swanson, H. E.; Tedeschi, J. R.; VanDevender, B. A.; Wietfeldt, F. E.; Young, A. R.
Source
Subject
Language
Abstract
Cyclotron radiation emission spectroscopy (CRES) is a modern technique for high-precision energy spectroscopy, in which the energy of a charged particle in a magnetic field is measured via the frequency of the emitted cyclotron radiation. The He6-CRES collaboration aims to use CRES to probe beyond the standard model physics at the TeV scale by performing high-resolution and low-background beta-decay spectroscopy of ${}^6\textrm{He}$ and ${}^{19}\textrm{Ne}$. Having demonstrated the first observation of individual, high-energy (0.1 -- 2.5 MeV) positrons and electrons via their cyclotron radiation, the experiment provides a novel window into the radiation of relativistic charged particles in a waveguide via the time-derivative (slope) of the cyclotron radiation frequency, $\mathrm{d}f_\textrm{c}/\mathrm{d}t$. We show that analytic predictions for the total cyclotron radiation power emitted by a charged particle in circular and rectangular waveguides are approximately consistent with the Larmor formula, each scaling with the Lorentz factor of the underlying $e^\pm$ as $\gamma^4$. This hypothesis is corroborated with experimental CRES slope data.
Comment: 20 pages, 5 figures
Comment: 20 pages, 5 figures