Updated constraints on axions from SN1987A

Ron Mayle; James R. Wilson; John Ellis; Keith A. Olive; David N. Schramm; Gary Steigman

doi:10.1016/0370-2693(89)91104-0

Updated constraints on axions from SN1987A

Ron Mayle, James R. Wilson, John Ellis, Keith A. Olive, David N. Schramm, Gary Steigman

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

We recently determined a lower bound on the axion decay constant (upper bound on the axion mass) by demanding that the axion emission rate in SN1987A be small enough to be consistent with the observed neutrino emission. We estimate here the magnitude of corrections to our previous results due to high density effects, ρ{variant} exchange and the restoration of chiral symmetry. Assuming a non-degenerate core, we now find that for naive quark model couplings f_a≳0.2×10¹² GeV(m_a≲3.6×10^-4 eV) which is a factor of 4 different from our previous limits assuming a degenerate core. Limits using couplings derived from EMC measurements are a factor of 2-4 weaker. We show that there is no window in f_a for non-freely-streaming axions. These limits still imply that the remaining window for axions is the one which is the most interesting for cosmology.

Original language	English (US)
Pages (from-to)	515-520
Number of pages	6
Journal	Physics Letters B
Volume	219
Issue number	4
DOIs	https://doi.org/10.1016/0370-2693(89)91104-0
State	Published - Mar 23 1989

Bibliographical note

Funding Information:
We would like to acknowledgeu sefuldiscussion with R. BrinkmannD, . Dearborn,T . Ericson, J.-F. Mathiot, and M.S. Turner. This work was partially supportedb y NSF at the Universityo f Chicago and by DOE grant DE-AC02-83ER-4010a5t the Univer- sity of Minnesotaa ndby DOE and NASA at Fermi-lab and by DOE grantD E-AC02-76ER-0154a5t Ohio State Universitya nd at LLNL under contractn umber W-7405-ENG-48a nd by K.A.O.'s Presidential Young InvestigatoArw ard.

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title = "Updated constraints on axions from SN1987A",

abstract = "We recently determined a lower bound on the axion decay constant (upper bound on the axion mass) by demanding that the axion emission rate in SN1987A be small enough to be consistent with the observed neutrino emission. We estimate here the magnitude of corrections to our previous results due to high density effects, ρ{variant} exchange and the restoration of chiral symmetry. Assuming a non-degenerate core, we now find that for naive quark model couplings fa≳0.2×1012 GeV(ma≲3.6×10-4 eV) which is a factor of 4 different from our previous limits assuming a degenerate core. Limits using couplings derived from EMC measurements are a factor of 2-4 weaker. We show that there is no window in fa for non-freely-streaming axions. These limits still imply that the remaining window for axions is the one which is the most interesting for cosmology.",

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note = "Funding Information: We would like to acknowledgeu sefuldiscussion with R. BrinkmannD, . Dearborn,T . Ericson, J.-F. Mathiot, and M.S. Turner. This work was partially supportedb y NSF at the Universityo f Chicago and by DOE grant DE-AC02-83ER-4010a5t the Univer- sity of Minnesotaa ndby DOE and NASA at Fermi-lab and by DOE grantD E-AC02-76ER-0154a5t Ohio State Universitya nd at LLNL under contractn umber W-7405-ENG-48a nd by K.A.O.'s Presidential Young InvestigatoArw ard.",

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AU - Ellis, John

AU - Olive, Keith A.

AU - Schramm, David N.

AU - Steigman, Gary

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N2 - We recently determined a lower bound on the axion decay constant (upper bound on the axion mass) by demanding that the axion emission rate in SN1987A be small enough to be consistent with the observed neutrino emission. We estimate here the magnitude of corrections to our previous results due to high density effects, ρ{variant} exchange and the restoration of chiral symmetry. Assuming a non-degenerate core, we now find that for naive quark model couplings fa≳0.2×1012 GeV(ma≲3.6×10-4 eV) which is a factor of 4 different from our previous limits assuming a degenerate core. Limits using couplings derived from EMC measurements are a factor of 2-4 weaker. We show that there is no window in fa for non-freely-streaming axions. These limits still imply that the remaining window for axions is the one which is the most interesting for cosmology.

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Updated constraints on axions from SN1987A

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