The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Neutrino Majorana masses from string theory instanton effects
Open accessAbstract
Finding a plausible origin for right-handed neutrino Majorana masses in semirealistic compactifications of string theory remains one of the most difficult problems in string phenomenology. We argue that right-handed neutrino Majorana masses are induced by non-perturbative instanton effects in certain classes of string compactifications in which the U(1)B−L gauge boson has a Stuckelberg mass. The induced operators are of the form e−UνRνR where U is a closed string modulus whose imaginary part transforms appropriately under B−L. This mass term may be quite large since this is not a gauge instanton and Re U is not directly related to SM gauge couplings. Thus the size of the induced right-handed neutrino masses could be a few orders of magnitude below the string scale, as phenomenologically required. It is also argued that this origin for neutrino masses would predict the existence of R-parity in SUSY versions of the SM. Finally we comment on other phenomenological applications of similar instanton effects, like the generation of a μ-term, or of Yukawa couplings forbidden in perturbation theory.
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Citations
Cites
Neutrino Mass and Spontaneous Parity Nonconservation
Mohapatra, R. N., & Senjanović, G. (1980) · Physical Review Letters · doi:10.1103/physrevlett.44.912 · Cited by 5,851
μ→eγ at a rate of one out of 109 muon decays?
Minkowski, P. (1977) · Physics Letters B · doi:10.1016/0370-2693(77)90435-x · Cited by 4,720
The μ-problem and the strong CP-problem
Kim, J. E., & Nilles, H. P. (1984) · Physics Letters B · doi:10.1016/0370-2693(84)91890-2 · Cited by 851
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Non-perturbative superpotentials in string theory
Witten, E. (1996) · Nuclear Physics B · doi:10.1016/0550-3213(96)00283-0 · Cited by 630
TOWARD REALISTIC INTERSECTING D-BRANE MODELS
Blumenhagen, R., Cvetič, M., Langacker, P., & Shiu, G. (2005) · Annual Review of Nuclear and Particle Science · doi:10.1146/annurev.nucl.55.090704.151541 · Cited by 618
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Self-citationD-Branes at singularities: a bottom-up approach to the string embedding of the standard model
Aldazabal, G., Ibáñez, L. E., Quevedo, F., & Uranga, A. M. (2000) · Journal of High Energy Physics · doi:10.1088/1126-6708/2000/08/002 · Cited by 510
Self-citationAldazabal, G., Franco, S., Ibáñez, L. E., Rabadán, R., & Uranga, A. M. (2001) · Journal of High Energy Physics · doi:10.1088/1126-6708/2001/02/047 · Cited by 447
Self-citationNonperturbative effects on the string world sheet
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Cited by
d-Brane Instantons in Type II Orientifolds
Blumenhagen, R., Cvetič, M., Kachru, S., & Weigand, T. (2009) · Annual Review of Nuclear and Particle Science · doi:10.1146/annurev.nucl.010909.083113 · Cited by 257
Montero, M., Uranga, A. M., & Valenzuela, I. (2015) · Journal of High Energy Physics · doi:10.1007/jhep08(2015)032 · Cited by 200
Metadata
- Authors
- Ibáñez, L. E., & Uranga, A. M.
- Venue
- Journal of High Energy Physics
- Published
- 2007-03-13
- Volume
- 2007
- Issue
- 03
- Pages
- 052-052
- ISSN
- 1029-8479 (ISSN-L)
- OpenAlex
- W2144104729
- Cited by
- 284
- References
- 33
- FWCI
- 26.75
- Type
- journal article
- Language
- en
- Open access
- bronze
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