Space-time variation of the electron-to-proton mass ratio in a Weyl model
Seeking a possible explanation for recent data indicating a space-time variation of the electron-to-proton mass ratio within the Milky Way, we consider a phenomenological model where the effective fermion masses depend on the local value of the Weyl tensor. We contrast the required values of the mod...
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2012
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LEADER | 08089caa a22013097a 4500 | ||
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001 | PAPER-23506 | ||
003 | AR-BaUEN | ||
005 | 20230518205512.0 | ||
008 | 190411s2012 xx ||||fo|||| 00| 0 eng|d | ||
024 | 7 | |2 scopus |a 2-s2.0-83555172256 | |
040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
030 | |a APHYE | ||
100 | 1 | |a Landau, S.J. | |
245 | 1 | 0 | |a Space-time variation of the electron-to-proton mass ratio in a Weyl model |
260 | |c 2012 | ||
270 | 1 | 0 | |m Landau, S.J.; Instituto de Física de Buenos Aires, Ciudad Universitaria, Pab. 1, 1428 Buenos Aires, Argentina; email: slandau@df.uba.ar |
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520 | 3 | |a Seeking a possible explanation for recent data indicating a space-time variation of the electron-to-proton mass ratio within the Milky Way, we consider a phenomenological model where the effective fermion masses depend on the local value of the Weyl tensor. We contrast the required values of the model's free parameters with bounds obtained from modern tests on the violation of the weak equivalence principle and we find that these quantities are incompatible. This result indicates that the variation of nucleon and electron masses through a coupling with the Weyl tensor is not a viable model. © 2011 Elsevier B.V. All rights reserved. |l eng | |
536 | |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica, PIP N 11220090100152 | ||
536 | |a Detalles de la financiación: Consejo Nacional de Ciencia y Tecnología, 101712 | ||
536 | |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas | ||
536 | |a Detalles de la financiación: IN 119808 | ||
536 | |a Detalles de la financiación: PICT 2007-02184 | ||
536 | |a Detalles de la financiación: We gladly acknowledge very useful discussions with E. Fischbach and P. Molaro. Y. Bonder and D. Sudarsky acknowledge support from PAPPIT project IN 119808 and CONACYT project No 101712. D.S. was supported in part by sabbatical fellowships from CONACYT and DGAPA-UNAM and the hospitality of the IAFE. S.J. Landau and F.A. Teppa Pannia are supported by PICT 2007-02184 from Agencia Nacional de Promoción Científica y Tecnológica, Argentina and by PIP N 11220090100152 from Consejo Nacional de Investigaciones Cientı´ficas y Técnicas, Argentina. | ||
593 | |a Instituto de Física de Buenos Aires, Ciudad Universitaria, Pab. 1, 1428 Buenos Aires, Argentina | ||
593 | |a Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de la Plata, Paseo del, Bosque S/N, B1900FWA La Plata, Argentina | ||
593 | |a Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, A. Postal 70-543, México D.F. 04510, Mexico | ||
593 | |a Instituto de Astronomía y Física Del Espacio, Casilla de Correos N 67, 1428 Buenos Aires, Argentina | ||
593 | |a Members Carrera Del Investigador Científico y Tecnológico, CONICET, Argentina | ||
690 | 1 | 0 | |a EQUIVALENCE PRINCIPLE |
690 | 1 | 0 | |a VARYING FUNDAMENTAL CONSTANTS |
690 | 1 | 0 | |a ELECTRON MASS |
690 | 1 | 0 | |a EQUIVALENCE PRINCIPLES |
690 | 1 | 0 | |a FERMION MASS |
690 | 1 | 0 | |a FREE PARAMETERS |
690 | 1 | 0 | |a FUNDAMENTAL CONSTANTS |
690 | 1 | 0 | |a MASS RATIO |
690 | 1 | 0 | |a MILKY WAYS |
690 | 1 | 0 | |a PHENOMENOLOGICAL MODELS |
690 | 1 | 0 | |a WEAK EQUIVALENCE PRINCIPLE |
690 | 1 | 0 | |a EQUIVALENCE CLASSES |
690 | 1 | 0 | |a TENSORS |
690 | 1 | 0 | |a PROTONS |
700 | 1 | |a Teppa Pannia, F.A. | |
700 | 1 | |a Bonder, Y. | |
700 | 1 | |a Sudarsky, D. | |
773 | 0 | |d 2012 |g v. 35 |h pp. 377-382 |k n. 6 |p Astropart. Phys. |x 09276505 |w (AR-BaUEN)CENRE-3851 |t Astroparticle Physics | |
856 | 4 | 1 | |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-83555172256&doi=10.1016%2fj.astropartphys.2011.10.008&partnerID=40&md5=d9e3d8357ec004920e836d0480ee34d6 |y Registro en Scopus |
856 | 4 | 0 | |u https://doi.org/10.1016/j.astropartphys.2011.10.008 |y DOI |
856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_09276505_v35_n6_p377_Landau |y Handle |
856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v35_n6_p377_Landau |y Registro en la Biblioteca Digital |
961 | |a paper_09276505_v35_n6_p377_Landau |b paper |c PE | ||
962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion |