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Title: Illuminating new electroweak states at hadron colliders

Journal Article · · Physical Review D
 [1];  [2];  [3]
  1. Univ. of Illinois, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Perimeter Institute for Theoretical Physics, Waterloo, ON (Canada)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)

In this paper, we propose a novel powerful strategy to perform searches for new electroweak states. Uncolored electroweak states appear in generic extensions of the Standard Model (SM) and yet are challenging to discover at hadron colliders. This problem is particularly acute when the lightest state in the electroweak multiplet is neutral and all multiplet components are approximately degenerate. In this scenario, production of the charged fields of the multiplet is followed by decay into nearly invisible states; if this decay occurs promptly, the only way to infer the presence of the reaction is through its missing energy signature. Our proposal relies on emission of photon radiation from the new charged states as a means of discriminating the signal from SM backgrounds. Lastly, we demonstrate its broad applicability by studying two examples: a pure Higgsino doublet and an electroweak quintuplet field.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); Instituto Nazionale di Fisica Nucleare (INFN); Perimeter Institute for Theoretical Physics
Grant/Contract Number:
AC02-06CH11357; FG02-12ER41811
OSTI ID:
1342743
Alternate ID(s):
OSTI ID: 1259976
Journal Information:
Physical Review D, Vol. 94, Issue 1; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

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Cited By (4)

Long-lived particles at the energy frontier: the MATHUSLA physics case journal October 2019
Establishing the isolated standard model journal July 2017
Establishing the isolated standard model text January 2017
Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case text January 2018

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