Illuminating new electroweak states at hadron colliders
Abstract
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.
- Authors:
-
- Univ. of Illinois, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Perimeter Institute for Theoretical Physics, Waterloo, ON (Canada)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); Instituto Nazionale di Fisica Nucleare (INFN); Perimeter Institute for Theoretical Physics
- OSTI Identifier:
- 1342743
- Alternate Identifier(s):
- OSTI ID: 1259976
- Grant/Contract Number:
- AC02-06CH11357; FG02-12ER41811
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Volume: 94; 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
Citation Formats
Ismail, Ahmed, Izaguirre, Eder, and Shuve, Brian. Illuminating new electroweak states at hadron colliders. United States: N. p., 2016.
Web. doi:10.1103/PhysRevD.94.015001.
Ismail, Ahmed, Izaguirre, Eder, & Shuve, Brian. Illuminating new electroweak states at hadron colliders. United States. https://doi.org/10.1103/PhysRevD.94.015001
Ismail, Ahmed, Izaguirre, Eder, and Shuve, Brian. 2016.
"Illuminating new electroweak states at hadron colliders". United States. https://doi.org/10.1103/PhysRevD.94.015001. https://www.osti.gov/servlets/purl/1342743.
@article{osti_1342743,
title = {Illuminating new electroweak states at hadron colliders},
author = {Ismail, Ahmed and Izaguirre, Eder and Shuve, Brian},
abstractNote = {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.},
doi = {10.1103/PhysRevD.94.015001},
url = {https://www.osti.gov/biblio/1342743},
journal = {Physical Review D},
issn = {2470-0010},
number = 1,
volume = 94,
place = {United States},
year = {Fri Jul 01 00:00:00 EDT 2016},
month = {Fri Jul 01 00:00:00 EDT 2016}
}
Web of Science
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