Estimating the flux of the 14.4 keV solar axions
F.T. Avignone III (1), R. J. Creswick (1), J. D. Vergados (2), P., Pirinen (3), P. C. Srivastava (4), J. Suhonen (5) ((1) University of South, Carolina, Columbia, (2) University of Ioannina, Ioannina, (3) University of, Jyvaskyla, Department of Physics, (4) Department of Physics
TL;DR
This paper calculates the expected flux of 14.4 keV solar axions from $^{57}$Fe nuclear transitions, providing essential data for experimental detection efforts using crystal detectors.
Contribution
It offers a detailed flux calculation incorporating axion models and nuclear physics, including realistic shell model nuclear spin matrix elements.
Findings
Estimated axion flux based on various axion models.
Calculated branching ratios for axion and photon emission.
Provided data to guide experimental detection strategies.
Abstract
In this paper we present a calculation of the expected flux of the mono-energetic 14.4 keV solar axions emitted by the M1 type nuclear transition of Fe in the Sun. These axions can be detected, e.g., by inverse coherent Bragg-Primakoff conversion in single-crystal TeO bolometers. The ingredients of this calculation are i) the axion nucleon coupling, estimated in several popular axion models and ii)the nuclear spin matrix elements involving realistic shell model calculations with both proton and neutron excitations. For the benefit of the experiments we have also calculated the branching ratio involving axion and photon emission
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