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Ghosh, P.; López-Fogliani, D.E.; Mitsou, V.A.; Muñoz, C.; De Austri, R.R. "Hunting physics beyond the standard model with unusual W± and Z decays" (2015) Physical Review D - Particles, Fields, Gravitation and Cosmology. 91(3)
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Abstract:

Nonstandard on-shell decays of W± and Z bosons are possible within the framework of extended supersymmetric models, i.e., with singlet states and/or new couplings compared to the minimal supersymmetric standard model. These modes are typically encountered in regions of the parameter space with light singlet-like scalars, pseudoscalars, and neutralinos. In this letter we emphasize how these states can lead to novel signals at colliders from Z- or W±-boson decays with prompt or displaced multileptons/tau jets/jets/photons in the final states. These new modes would give distinct evidence of new physics even when direct searches remain unsuccessful. We discuss the possibilities of probing these new signals using the existing LHC run-I data set. We also address the same in the context of the LHC run-II, as well as for the future colliders. We exemplify our observations with the "μ from ν" supersymmetric standard model, where three generations of right-handed neutrino superfields are used to solve shortcomings of the minimal supersymmetric standard model. We also extend our discussion for other variants of supersymmetric models that can accommodate similar signatures. © 2015 American Physical Society.

Registro:

Documento: Artículo
Título:Hunting physics beyond the standard model with unusual W± and Z decays
Autor:Ghosh, P.; López-Fogliani, D.E.; Mitsou, V.A.; Muñoz, C.; De Austri, R.R.
Filiación:Departamento de Física Teórica, Universidad Autónoma de Madrid, Cantoblanco, Madrid, 28049, Spain
Instituto de Física Teórica UAM-CSIC, Campus de Cantoblanco, Madrid, 28049, Spain
Departamento de Física, Universidad de Buenos Aires, IFIBA-CONICET, Buenos Aires, 1428, Argentina
Instituto de Física Corpuscular CSIC-UV, c/ Catedrático José Beltrán 2, Paterna (Valencia), 46980, Spain
Año:2015
Volumen:91
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevD.91.035020
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v91_n3_p_Ghosh

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Citas:

---------- APA ----------
Ghosh, P., López-Fogliani, D.E., Mitsou, V.A., Muñoz, C. & De Austri, R.R. (2015) . Hunting physics beyond the standard model with unusual W± and Z decays. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91(3).
http://dx.doi.org/10.1103/PhysRevD.91.035020
---------- CHICAGO ----------
Ghosh, P., López-Fogliani, D.E., Mitsou, V.A., Muñoz, C., De Austri, R.R. "Hunting physics beyond the standard model with unusual W± and Z decays" . Physical Review D - Particles, Fields, Gravitation and Cosmology 91, no. 3 (2015).
http://dx.doi.org/10.1103/PhysRevD.91.035020
---------- MLA ----------
Ghosh, P., López-Fogliani, D.E., Mitsou, V.A., Muñoz, C., De Austri, R.R. "Hunting physics beyond the standard model with unusual W± and Z decays" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 91, no. 3, 2015.
http://dx.doi.org/10.1103/PhysRevD.91.035020
---------- VANCOUVER ----------
Ghosh, P., López-Fogliani, D.E., Mitsou, V.A., Muñoz, C., De Austri, R.R. Hunting physics beyond the standard model with unusual W± and Z decays. Phys Rev D Part Fields Gravit Cosmol. 2015;91(3).
http://dx.doi.org/10.1103/PhysRevD.91.035020