Title

Search for axion-like particles from the sun in an underground negative-ion TPC

Published in:

Nuclear Physics B-Proceedings Supplements 134,(2004) 130-132;

Abstract

Axion-like particles produced in the sun with masses in the keV range have been proposed to explain several long-standing anomalies in astrophysical X-ray observations. The gravitationally bound massive axions could be observed decaying to two X-ray photons in an instrumented underground detector volume. We propose to use a 1.5m(3) Negative-Ion TPC instrumented with GEM/Micromegas pad readout to perform a sensitive search for keV range axions. The sensitivity of the proposed experiment will be five orders of magnitude below existing limits after one year of running.

Keywords

axion(-like) particles;; observational evidence

Date of this Version

January 2004

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