It’s all right(-handed neutrinos): a new W ' model for the anomaly
Abstract
The measured B-meson semi-leptonic branching ratios RD and have long-standing deviations between theory and experiment. We introduce a model which explains both anomalies through a single interaction by introducing a right-handed neutrino as the missing energy particle. This interaction is mediated by a heavy charged vector boson (W ') which couples only to right-handed quarks and leptons of the Standard Model through the mixing of these particles with new vector-like fermions. Previous W ' models for the anomaly were strongly constrained from flavor changing neutral currents and direct collider searches for Z' → τ τ resonances. We show that relying on right-handed fermion mixing enables us to avoid these constraints, as well as other severe bounds from electroweak precision tests and neutrino mixing.
- Authors:
-
- Rutgers Univ., Piscataway, NJ (United States). NHETC. Dept. of Physics and Astronomy; Univ. of California, Santa Barbara, CA (United States). Kavli Inst. for Theoretical Physics
- Rutgers Univ., Piscataway, NJ (United States). NHETC. Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Rutgers Univ., Piscataway, NJ (United States); Univ. of California, Santa Barbara, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); Simons Foundation (United States); Gordon and Betty Moore Foundation (United States); National Science Foundation (NSF)
- OSTI Identifier:
- 1502358
- Grant/Contract Number:
- SC0010008; SC0017811; 216179; 4310; PHY17-48958
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 9; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; heavy quark physics
Citation Formats
Asadi, Pouya, Buckley, Matthew R., and Shih, David. It’s all right(-handed neutrinos): a new W ' model for the R D ( ∗ ) anomaly. United States: N. p., 2018.
Web. doi:10.1007/jhep09(2018)010.
Asadi, Pouya, Buckley, Matthew R., & Shih, David. It’s all right(-handed neutrinos): a new W ' model for the R D ( ∗ ) anomaly. United States. https://doi.org/10.1007/jhep09(2018)010
Asadi, Pouya, Buckley, Matthew R., and Shih, David. Mon .
"It’s all right(-handed neutrinos): a new W ' model for the R D ( ∗ ) anomaly". United States. https://doi.org/10.1007/jhep09(2018)010. https://www.osti.gov/servlets/purl/1502358.
@article{osti_1502358,
title = {It’s all right(-handed neutrinos): a new W ' model for the R D ( ∗ ) anomaly},
author = {Asadi, Pouya and Buckley, Matthew R. and Shih, David},
abstractNote = {The measured B-meson semi-leptonic branching ratios RD and R D ∗ have long-standing deviations between theory and experiment. We introduce a model which explains both anomalies through a single interaction by introducing a right-handed neutrino as the missing energy particle. This interaction is mediated by a heavy charged vector boson (W ') which couples only to right-handed quarks and leptons of the Standard Model through the mixing of these particles with new vector-like fermions. Previous W ' models for the R D ( ∗ ) anomaly were strongly constrained from flavor changing neutral currents and direct collider searches for Z' → τ τ resonances. We show that relying on right-handed fermion mixing enables us to avoid these constraints, as well as other severe bounds from electroweak precision tests and neutrino mixing.},
doi = {10.1007/jhep09(2018)010},
journal = {Journal of High Energy Physics (Online)},
number = 9,
volume = 2018,
place = {United States},
year = {Mon Sep 03 00:00:00 EDT 2018},
month = {Mon Sep 03 00:00:00 EDT 2018}
}
Web of Science
Figures / Tables:
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