Calculation of the axion mass based on high-temperature lattice quantum chromodynamics

S. Borsanyi, Z. Fodor (), J. Guenther, K.-H. Kampert, S. D. Katz, T. Kawanai, T. G. Kovacs, S. W. Mages, A. Pasztor, F. Pittler, J. Redondo, A. Ringwald and K. K. Szabo
Additional contact information
S. Borsanyi: University of Wuppertal
Z. Fodor: University of Wuppertal
J. Guenther: University of Wuppertal
K.-H. Kampert: University of Wuppertal
S. D. Katz: Institute for Theoretical Physics, Eötvös University
T. Kawanai: Jülich Supercomputing Centre, Forschungszentrum Jülich
T. G. Kovacs: Institute for Nuclear Research of the Hungarian Academy of Sciences
S. W. Mages: Jülich Supercomputing Centre, Forschungszentrum Jülich
A. Pasztor: University of Wuppertal
F. Pittler: Institute for Theoretical Physics, Eötvös University
J. Redondo: University of Zaragoza
A. Ringwald: Deutsches Elektronen-Synchrotron DESY
K. K. Szabo: University of Wuppertal

Nature, 2016, vol. 539, issue 7627, 69-71

Abstract: The mass of the axion, a particle that is central to many dark-matter theories, is calculated via the equation of state of the Universe and the temperature dependence of the so-called topological susceptibility of quantum chromodynamics.

Date: 2016
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DOI: 10.1038/nature20115

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