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Title: Hidden pion varieties in composite models for diphoton resonances

Abstract

The diphoton excesses at 750 GeV seen in the LHC data may be the first hint of new physics at the TeV scale. We discuss variations of the model considered earlier, in which one or more diphoton excesses arise from composite pseudo-Nambu-Goldstone bosons (hidden pions) associated with new strong dynamics at the TeV scale. We study the case in which the 750 GeV excess arises from a unique hidden pion leading to a diphoton final state as well as the case in which it arises from one of the hidden pions decaying into diphotons. We consider SU(N), SO(N), and Sp(N) gauge groups for the strong dynamics and find that SO(N) and Sp(N) models give extra hidden pions beyond those in the SU(N) models, which can be used to discriminate among models.

Authors:
 [1];  [1]
  1. Univ. of California, Berkeley, CA (United States). Berkeley Center for Theoretical Physics, Dept. of Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1430674
Alternate Identifier(s):
OSTI ID: 1328445
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 94; 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

Harigaya, Keisuke, and Nomura, Yasunori. Hidden pion varieties in composite models for diphoton resonances. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.94.075004.
Harigaya, Keisuke, & Nomura, Yasunori. Hidden pion varieties in composite models for diphoton resonances. United States. https://doi.org/10.1103/PhysRevD.94.075004
Harigaya, Keisuke, and Nomura, Yasunori. 2016. "Hidden pion varieties in composite models for diphoton resonances". United States. https://doi.org/10.1103/PhysRevD.94.075004. https://www.osti.gov/servlets/purl/1430674.
@article{osti_1430674,
title = {Hidden pion varieties in composite models for diphoton resonances},
author = {Harigaya, Keisuke and Nomura, Yasunori},
abstractNote = {The diphoton excesses at 750 GeV seen in the LHC data may be the first hint of new physics at the TeV scale. We discuss variations of the model considered earlier, in which one or more diphoton excesses arise from composite pseudo-Nambu-Goldstone bosons (hidden pions) associated with new strong dynamics at the TeV scale. We study the case in which the 750 GeV excess arises from a unique hidden pion leading to a diphoton final state as well as the case in which it arises from one of the hidden pions decaying into diphotons. We consider SU(N), SO(N), and Sp(N) gauge groups for the strong dynamics and find that SO(N) and Sp(N) models give extra hidden pions beyond those in the SU(N) models, which can be used to discriminate among models.},
doi = {10.1103/PhysRevD.94.075004},
url = {https://www.osti.gov/biblio/1430674}, journal = {Physical Review D},
issn = {2470-0010},
number = 7,
volume = 94,
place = {United States},
year = {Wed Oct 05 00:00:00 EDT 2016},
month = {Wed Oct 05 00:00:00 EDT 2016}
}

Journal Article:

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Cited by: 3 works
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