Simplified models with baryon number violation but no proton decay

Arnold, Jonathan M.; Fornal, Bartosz; Wise, Mark B.

doi:10.1103/physrevd.87.075004

Cited by 129 publications

(168 citation statements)

References 39 publications

Supporting

Mentioning

165

Contrasting

Order By: Relevance

“…1. At the quark level, such an n −n oscillation, violating ΔB ¼ 2, is mediated by nine-dimensional operators of the type shown in Table V [84][85][86][87].…”

Section: Neutron-antineutron Oscillationsmentioning

confidence: 99%

Surveying the SO(10) model landscape: The left-right symmetric case

Deppisch¹,

Gonzalo²,

Gráf³

2017

Phys. Rev. D

View full text Add to dashboard Cite

Grand unified theories (GUTs) are a very well motivated extensions of the Standard Model (SM), but the landscape of models and possibilities is overwhelming, and different patterns can lead to rather distinct phenomenologies. In this work we present a way to automatize the model building process, by considering a top to bottom approach that constructs viable and sensible theories from a small and controllable set of inputs at the high scale. By providing a GUT scale symmetry group and the field content, possible symmetry breaking paths are generated and checked for consistency, ensuring anomaly cancellation, SM embedding and gauge coupling unification. We emphasize the usefulness of this approach for the particular case of a nonsupersymmetric SO(10) model with an intermediate left-right symmetry, and we analyze how low-energy observables such as proton decay and lepton flavor violation might affect the generated model landscape.

show abstract

“…1. At the quark level, such an n −n oscillation, violating ΔB ¼ 2, is mediated by nine-dimensional operators of the type shown in Table V [84][85][86][87].…”

Section: Neutron-antineutron Oscillationsmentioning

confidence: 99%

Surveying the SO(10) model landscape: The left-right symmetric case

Deppisch¹,

Gonzalo²,

Gráf³

2017

Phys. Rev. D

View full text Add to dashboard Cite

show abstract

“…When integrated out, the CEDM of the b-quark [31] induces Weinberg's three-gluon CP violating operator [32]. The electric dipole operator of the d-quark also induces a NEDM, as discussed in [33].…”

Section: Introductionmentioning

confidence: 99%

Colored scalars and the neutron electric dipole moment

Fajfer¹,

Eeg²

2014

Phys. Rev. D

View full text Add to dashboard Cite

We investigate new contributions to the neutron electric dipole moment induced by colored scalars. As an example, we evaluate contributions coming from the color octet, weak doublet scalar, accommodated within a modified Minimal Flavor Violating framework. These flavor non-diagonal couplings of the color octet scalar might account for the measured assymmetrytree level. The same couplings constrained by this assymmetry also induce two-loop contributions to the neutron electric dipole moment. We find that the direct CP violating asymmetry in neutral D-meson decays is more constraining on the allowed parameter space than the current experimental bound on neutron electric dipole moment. We comment also on contributions of higher dimensional operators to the neutron electric dipole moment within this framework.

show abstract

“…In this paper we search for the processes 16 Oπ 0 π 0 (abbreviated throughout to pp → π + π + , pn → π + π 0 , and nn → π 0 π 0 ). Processes violating baryon number by two units can occur in a broad class of models [9]. The experimentally accessible processes of this kind are dinucleon decay and neutron-antineutron oscillation (n-nbar).…”

Section: Introductionmentioning

confidence: 99%