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Title: New light Higgs boson and short-baseline neutrino anomalies

Abstract

Here, the low-energy excesses observed by the MiniBooNE experiment have, to date, defied a convincing explanation under the standard model even with accommodation for nonzero neutrino mass. In this paper we explore a new oscillation mechanism to explain these anomalies, invoking a light neutrinophilic Higgs boson, conceived to induce a low Dirac neutrino mass in accord with experimental limits. Beam neutrinos forward scattering off of a locally overdense relic neutrino background give rise to a novel matter effect with an energy-specific resonance. An enhanced oscillation around this resonance peak produces flavor transitions which are highly consistent with the MiniBooNE neutrino- and antineutrino-mode data sets. The model provides substantially improved χ2 values beyond either the no-oscillation hypothesis or the more commonly explored 3+1 sterile neutrino hypothesis. This mechanism would introduce distinctive signatures at each baseline in the upcoming short-baseline neutrino program at Fermilab, presenting opportunities for further exploration.

Authors:
 [1];  [2];  [3];  [1];  [4]
  1. Univ. of Texas at Arlington, Arlington, TX (United States)
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  3. Harvard Univ., Cambridge, MA (United States)
  4. Univ. of Manchester, Manchester (United Kingdom)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1437154
Report Number(s):
PNNL-SA-131323
Journal ID: ISSN 2470-0010; PRVDAQ; TRN: US1900277
Grant/Contract Number:  
AC05-76RL01830
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 97; Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Asaadi, J., Church, E., Guenette, R., Jones, Ben J. P., and Szelc, A. M. New light Higgs boson and short-baseline neutrino anomalies. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.97.075021.
Asaadi, J., Church, E., Guenette, R., Jones, Ben J. P., & Szelc, A. M. New light Higgs boson and short-baseline neutrino anomalies. United States. doi:10.1103/PhysRevD.97.075021.
Asaadi, J., Church, E., Guenette, R., Jones, Ben J. P., and Szelc, A. M. Mon . "New light Higgs boson and short-baseline neutrino anomalies". United States. doi:10.1103/PhysRevD.97.075021. https://www.osti.gov/servlets/purl/1437154.
@article{osti_1437154,
title = {New light Higgs boson and short-baseline neutrino anomalies},
author = {Asaadi, J. and Church, E. and Guenette, R. and Jones, Ben J. P. and Szelc, A. M.},
abstractNote = {Here, the low-energy excesses observed by the MiniBooNE experiment have, to date, defied a convincing explanation under the standard model even with accommodation for nonzero neutrino mass. In this paper we explore a new oscillation mechanism to explain these anomalies, invoking a light neutrinophilic Higgs boson, conceived to induce a low Dirac neutrino mass in accord with experimental limits. Beam neutrinos forward scattering off of a locally overdense relic neutrino background give rise to a novel matter effect with an energy-specific resonance. An enhanced oscillation around this resonance peak produces flavor transitions which are highly consistent with the MiniBooNE neutrino- and antineutrino-mode data sets. The model provides substantially improved χ2 values beyond either the no-oscillation hypothesis or the more commonly explored 3+1 sterile neutrino hypothesis. This mechanism would introduce distinctive signatures at each baseline in the upcoming short-baseline neutrino program at Fermilab, presenting opportunities for further exploration.},
doi = {10.1103/PhysRevD.97.075021},
journal = {Physical Review D},
number = 7,
volume = 97,
place = {United States},
year = {2018},
month = {4}
}

Journal Article:
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Cited by: 3 works
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Figures / Tables:

FIG. 1 FIG. 1: Feynman diagrams for scattering of neutrinos off CNB neutrinos and antineutrinos. Top row: diagrams 1 and 2. Bottom row: diagrams 3 and 4.

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