Experimental Search for Solar Axions via Coherent Primakoff Conversion in a Germanium Spectrometer | Zendy

F. T. Avig | Zendy; D. Abriola | Zendy; R. L. Brodzinski | Zendy; J. I. Collar | Zendy; R. J. Creswick | Zendy; D. E. DiGregorio | Zendy; Horácio A. Farach | Zendy; A. O. Gattone | Zendy; C. Guérard | Zendy; F. Hasenbalg | Zendy; H. Huck | Zendy; H.S. Miley | Zendy; A. Morales | Zendy; J. C. Morales | Zendy; S. Nussinov | Zendy; A. Ortiz de Solórzano | Zendy; J.H. Reeves | Zendy; J.A. Villar | Zendy; K. Zioutas | Zendy

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Experimental Search for Solar Axions via Coherent Primakoff Conversion in a Germanium Spectrometer

Author(s) -

F. T. Avig,

D. Abriola,

R. L. Brodzinski,

J. I. Collar,

R. J. Creswick,

D. E. DiGregorio,

Horácio A. Farach,

A. O. Gattone,

C. Guérard,

F. Hasenbalg,

H. Huck,

H.S. Miley,

A. Morales,

J. C. Morales,

S. Nussinov,

A. Ortiz de Solórzano,

J.H. Reeves,

J.A. Villar,

K. Zioutas

Publication year - 1998

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.81.5068

Subject(s) - axion , physics , germanium , photon , coupling (piping) , particle physics , detector , semiconductor detector , nuclear physics , atomic physics , optics , dark matter , optoelectronics , silicon , mechanical engineering , engineering

Results are reported of an experimental search for the unique, rapidly varying temporal pattern of solar axions coherently converting into photons via the Primakoff effect in a single crystal germanium detector. This conversion is predicted when axions are incident at a Bragg angle with a crystalline plane. The analysis of approximately 1.94 kg.yr of data from the 1 kg DEMOS detector in Sierra Grande, Argentina, yields a new laboratory bound on axion-photon coupling of $g_{a\gamma \gamma} < 2.7\cdot 10^{-9}$ GeV$^{-1}$, independent of axion mass up to ~ 1 keV

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