Bulletin of the American Physical Society
Fall 2022 Meeting of the APS Division of Nuclear Physics
Volume 67, Number 17
Thursday–Sunday, October 27–30, 2022; Time Zone: Central Daylight Time, USA; New Orleans, Louisiana
Session 2WB: New Directions in Beta Decay II
11:00 AM–12:48 PM,
Thursday, October 27, 2022
Hyatt Regency Hotel
Room: Celestin A
Chair: Fred Wietfeldt, Tulane University
Abstract: 2WB.00003 : $^6$He-CRES: Experimental Overview and Recent Progress*
12:12 PM–12:48 PM
Presenter:
William Byron
(University of Washington)
Author:
William Byron
(University of Washington)
Collaboration:
$^6$He-CRES
The decay of $^6{\rm He}$ has a large endpoint ($Q(^6{\rm He})\approx 3.5\,MeV$) which allows for the $m/E$ distortion, expected from a non-zero $b_{fierz}$ coefficient, to vary by about a factor of 7 over the spectrum, leading to high sensitivity. We use Cyclotron Radiation Emission Spectroscopy (CRES), a technique first demonstrated by the Project 8 collaboration aiming at a determination of the neutrino mass via a measurement of the $^3{\rm H}$ beta spectrum. The technique determines the beta energy by measuring the frequency of the cyclotron radiation of betas in a magnetic field. The $^6$He-CRES experiment will have high energy resolution and be shielded from systematics that affect traditional means of electron spectroscopy. A high level overview of the CRES technique will be followed by a discussion of preliminary results.
*The presenting author is supported by the DOE Office of Nuclear Physics under Grant DE-FG02-97ER41020.
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