%0 Conference Paper
%A Friedland, A.
%A Giannotti, M.
%A Wise, M.
%T A new Constraint on the Axion-Photon Coupling
%N DESY-PROC-2013-04
%C Hamburg
%I Verlag Deutsches Elektronen-Synchrotron
%M PUBDB-2018-02788
%M DESY-PROC-2013-04
%@ 978-3-935702-83-6 
%B DESY-PROC
%P 73-76
%D 2013
%< Friedland, A. "A new Constraint on the Axion-Photon Coupling" in Proceedings, 9th Patras Workshop on Axions, WIMPs and WISPs (AXION-WIMP 2013) / Oberlack, Uwe, Sissol, Pierre (eds.), 2013 ; AXION-WIMP 2013 : 9th Patras Workshop on Axions, WIMPs and WISPs , 2013-06-23 - 2013-06-28, Mainz
%X We show that the emission of axions coupled to photons with g<sub>aγ</sub> ≥ 0.8 × 10<sup>−10</sup>GeV<sup>−1</sup> would eliminate the blue loop stage for stars in the mass window ∼ 8 − 12 M<sub>\odot</sub>. This is excluded by observations of the blue sequences and of Cepheid stars.
%B 9th Patras Workshop on Axions, WIMPs and WISPs
%C 24 Jun 2013 - 28 Jun 2013, Mainz (Germany)
Y2 24 Jun 2013 - 28 Jun 2013
M2 Mainz, Germany
%K Hypothetisches Teilchen (gnd)
%F PUB:(DE-HGF)29 ; PUB:(DE-HGF)8 ; PUB:(DE-HGF)7
%9 ReportContribution to a conference proceedingsContribution to a book
%R 10.3204/DESY-PROC-2013-04/giannotti_maurizio
%U https://bib-pubdb1.desy.de/record/408335