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  4. Inverse Primakoff scattering for axionlike particle couplings
 
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Inverse Primakoff scattering for axionlike particle couplings

Journal
Physical Review D
Journal Volume
108
Journal Issue
4
Start Page
043029
ISSN
2470-0010
2470-0029
Date Issued
2023-08-25
Author(s)
C.-P. Wu
C.-P. Liu
Greeshma C.
L. Singh
JIUNN-WEI CHEN  
H.-C. Chi
M. K. Pandey
H. T. Wong
DOI
10.1103/physrevd.108.043029
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/722289
Abstract
Axionlike particles (ALPs) can be produced in the Sun and are considered viable candidates for the cosmological dark matter (DM). It can decay into two photons or interact with matter. We identify new inelastic channels of inverse Primakoff processes due to atomic excitation and ionization. Their cross sections are derived by incorporating full electromagnetic fields of atomic charge and current densities, and computed by well-benchmarked atomic many-body methods. Complementing data from the underground XENONnT and surface TEXONO experiments are analyzed. Event rates and sensitivity reaches are evaluated with respect to solar- and DM-ALPs. New parameter space in ALP couplings with the photons versus ALP masses in (1 eV-10 keV) not previously accessible to laboratory experiments are probed and excluded with solar-ALPs. However, at regions where DM-ALPs have already decayed, there would be no ALP-flux and hence, no interactions at the detectors in direct search experiments. No physics constraints can be derived. Future projects would be able to evade the stability bound and open new observable windows in (100 eV-1 MeV) for DM-ALPs.
Publisher
American Physical Society (APS)
Type
journal article

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