Search for solar hadronic axions produced by a bremsstrahlung-like process (CROSBI ID 146664)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Kekez, Dalibor ; Ljubičić, Ante ; Krečak, Zvonko ; Krčmar, Milica
engleski
Search for solar hadronic axions produced by a bremsstrahlung-like process
We have searched for hadronic axions which may be produced in the Sun by a bremsstrahlung-like process, and observed in the HPGe detector by an axioelectric effect. A conservative upper limit on the hadronic axion mass of m_a <334 eV at 95% C.L. is obtained. Our experimental approach is based on the axion-electron coupling and it does not include the axion-nucleon coupling, which suffers from the large uncertainties related to the estimation of the flavor-singlet axial-vector matrix element.
hadronic axions ; solar axions ; axion-electron coupling
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Podaci o izdanju
671 (3)
2009.
345-348
objavljeno
0370-2693
1873-2445
10.1016/j.physletb.2008.12.033