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Title: Rare Z boson decays to a hidden sector

Abstract

We demonstrate that rare decays of the Standard Model Z boson can be used to discover and characterize the nature of new hidden-sector particles. We propose new searches for these particles in soft, high-multiplicity leptonic final states at the Large Hadron Collider. The proposed searches are sensitive to low-mass particles produced in Z decays, and we argue that these striking signatures can shed light on the hidden-sector couplings and mechanism for mass generation.

Authors:
 [1];  [2];  [3]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States); Harvey Mudd College, Claremont, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1417414
Alternate Identifier(s):
OSTI ID: 1424741; OSTI ID: 1426440
Report Number(s):
BNL-203342-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; TRN: US1801951
Grant/Contract Number:  
SC0012704; AC02-76SF00515; PHY-1607761
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 97; Journal Issue: 1; 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; Standard Model; decays; Z; couplings; particle physics; leptonic; boson

Citation Formats

Blinov, Nikita, Izaguirre, Eder, and Shuve, Brian. Rare Z boson decays to a hidden sector. United States: N. p., 2018. Web. doi:10.1103/physrevd.97.015009.
Blinov, Nikita, Izaguirre, Eder, & Shuve, Brian. Rare Z boson decays to a hidden sector. United States. doi:10.1103/physrevd.97.015009.
Blinov, Nikita, Izaguirre, Eder, and Shuve, Brian. Thu . "Rare Z boson decays to a hidden sector". United States. doi:10.1103/physrevd.97.015009.
@article{osti_1417414,
title = {Rare Z boson decays to a hidden sector},
author = {Blinov, Nikita and Izaguirre, Eder and Shuve, Brian},
abstractNote = {We demonstrate that rare decays of the Standard Model Z boson can be used to discover and characterize the nature of new hidden-sector particles. We propose new searches for these particles in soft, high-multiplicity leptonic final states at the Large Hadron Collider. The proposed searches are sensitive to low-mass particles produced in Z decays, and we argue that these striking signatures can shed light on the hidden-sector couplings and mechanism for mass generation.},
doi = {10.1103/physrevd.97.015009},
journal = {Physical Review D},
number = 1,
volume = 97,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/physrevd.97.015009

Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

Figures / Tables:

FIG. 1 FIG. 1: Feynman diagram illustrating dark Higgs (hD) and dark photon (A') production in rare Z boson decays. The dark photons in hD decay can be on- or off-shell.

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.