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Lawrence Berkeley National Laboratory
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The axion mass in modular invariant supergravity
Daniel Butter
Mary K. Gaillard

Download the Paper (239 K, PDF file) - February 9, 2005 Tell a colleague about it.
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ABSTRACT:

When supersymmetry is broken by condensates with a single condensing gauge group, there is a nonanomalous R-symmetry that prevents the universal axion from acquiring a mass. It has been argued that, in the context of supergravity, higher dimension operators will break this symmetry and may generate an axion mass too large to allow the identification of the universal axion with the QCD axion. We show that such contributions to the axion mass are highly suppressed in a class of models where the effective Lagrangian for gaugino and matter condensation respects modular invariance (T-duality).

SUGGESTED CITATION:
Daniel Butter and Mary K. Gaillard, "The axion mass in modular invariant supergravity" (February 9, 2005). Lawrence Berkeley National Laboratory. Paper LBNL-56983.
http://repositories.cdlib.org/lbnl/LBNL-56983

 
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