Dark-Sector Photo-Magnetic Luminescence: The Case for a Room Temperature Chameleon Search

Boyce, James R. "Dark-Sector Photo-Magnetic Luminescence: The Case for a Room Temperature Chameleon Search" in Proceedings of the 13th "Patras" Workshop on Axions, WIMPs and WISPs, PATRAS 2017 / Maroudas, Marios (eds.), Verlag Deutsches Elektronen-Synchrotron : 2018 ; Patras 2017 : 13th Patras Workshop on Axions, WIMPs and WISPs, 2017-05-15 - 2017-05-19, Thessaloniki 13th Patras Workshop on Axions, WIMPs and WISPs, AXION-WIMP 2017, Thessaloniki, Greece, 15 May 2017 - 19 May 2017; Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-PROC, 196-199 (2018). doi:10.3204/DESY-PROC-2017-02/boyce_jim
We report the results of studies showing that temperature dependent photoluminescence is the likely source of unexpected large background rates in afterglow searches for dark sector phenomena, commonly called ``chameleons''. Using this information, we examine the possibility of a room temperature chameleon afterglow search that automatically eliminates this background. Then, without this background, we discuss a modest search effort exploring the afterglow halflife range $0.1~{\rm{sec}} \leq T_{1/2} \leq 120~{\rm{sec}}$ equivalent to photon coupling constant range $8 \times10^{12} \leq \beta_{\gamma } \leq 3\times10^{14}$.
Published by Verlag Deutsches Elektronen-Synchrotron, Hamburg