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Abstract:

In the present work, a hidden scenario which cast a long-lived superheavy particle A0 and simultaneously an extremely light particle a with mass ma ∼ 10?32-10?33 eV is presented. The potential energy V (a) of the particle a models the vacuum energy density of the universe ?c 10?47 GeV4. On the other hand, the A0 particle may act as superheavy dark matter at present times and the products of its decay may be observed in high energy cosmic ray events. The hidden sector proposed here include light fermions with masses near the neutrino mass m? 10?2 eV and superheavy ones with masses of the order of the GUT scale, interacting through a hidden SU(2)L interaction which also affects the ordinary sector. The construction of such combined scenario is nontrivial since the presence of light particles may spoil the stability of the heavy particle A0. However, double Higgs mechanisms may be helpful for overcoming this problem. In this context, the stability of the superheavy particle A0 is ensured due to chiral symmetry arguments elaborated in the text. © 2016 World Scientific Publishing Company.

Registro:

Documento: Artículo
Título:Double Higgs mechanisms, supermassive stable particles and the vacuum energy
Autor:Santillán, O.P.; Gabbanelli, L.
Filiación:Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
CONICET, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Institut de Ciències Del Cosmos, Universidad de Barcelona, Martíi Franquès 1, Barcelona, E-08028, Spain
Palabras clave:chiral protection; double Higgs inspired mechanisms; Quintessence; superheavy dark matter
Año:2016
Volumen:31
Número:25
DOI: http://dx.doi.org/10.1142/S0217732316501431
Título revista:Modern Physics Letters A
Título revista abreviado:Mod. Phys. Lett. A
ISSN:02177323
CODEN:MPLAE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02177323_v31_n25_p_Santillan

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Citas:

---------- APA ----------
Santillán, O.P. & Gabbanelli, L. (2016) . Double Higgs mechanisms, supermassive stable particles and the vacuum energy. Modern Physics Letters A, 31(25).
http://dx.doi.org/10.1142/S0217732316501431
---------- CHICAGO ----------
Santillán, O.P., Gabbanelli, L. "Double Higgs mechanisms, supermassive stable particles and the vacuum energy" . Modern Physics Letters A 31, no. 25 (2016).
http://dx.doi.org/10.1142/S0217732316501431
---------- MLA ----------
Santillán, O.P., Gabbanelli, L. "Double Higgs mechanisms, supermassive stable particles and the vacuum energy" . Modern Physics Letters A, vol. 31, no. 25, 2016.
http://dx.doi.org/10.1142/S0217732316501431
---------- VANCOUVER ----------
Santillán, O.P., Gabbanelli, L. Double Higgs mechanisms, supermassive stable particles and the vacuum energy. Mod. Phys. Lett. A. 2016;31(25).
http://dx.doi.org/10.1142/S0217732316501431