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Title: Electroweak dark matter at future hadron colliders

Abstract

In a large class of scenarios, dark matter (DM) particles that belong to a multiplet of the standard model (SM) weak interactions are challenging to probe in direct detection experiments due to loop-suppressed cross sections. Direct production at colliders is thus crucial to look for such DM candidates, and under current estimates, future runs of the 14-TeV LHC are projected to probe masses of around 300 GeV for DM belonging to an SU(2) doublet (Higgsino-like), and 900 GeV for SU(2) triplet (winolike). We examine how far this mass reach can be extended at the proposed 27-TeV high-energy upgrade of the LHC (HE-LHC), and compare the results to the case for a 100-TeV hadron collider. Following a detector setup similar to that of the ATLAS tracking system for the run-2 LHC upgrade, with a new insertable b-layer (IBL), a disappearing charged track analysis at the HE-LHC can probe Higgsino-like (winolike) DM mass of up to 600 GeV (2.1 TeV) at the 95% C.L. The monojet and missing transverse momentum search, on the otherhand, has a weaker reach of 490 GeV (700 GeV) at 95% C.L. for the Higgsino-like (winolike) states. The mass range accessible in the collider searches can be complementarymore » to the indirect detection probes using gamma rays from dwarf-spheroidal galaxies.« less

Authors:
; ;
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1464866
Alternate Identifier(s):
OSTI ID: 1498926
Grant/Contract Number:  
[FG02-95ER40896]
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
[Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 3]; 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

Han, Tao, Mukhopadhyay, Satyanarayan, and Wang, Xing. Electroweak dark matter at future hadron colliders. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.035026.
Han, Tao, Mukhopadhyay, Satyanarayan, & Wang, Xing. Electroweak dark matter at future hadron colliders. United States. doi:10.1103/PhysRevD.98.035026.
Han, Tao, Mukhopadhyay, Satyanarayan, and Wang, Xing. Thu . "Electroweak dark matter at future hadron colliders". United States. doi:10.1103/PhysRevD.98.035026.
@article{osti_1464866,
title = {Electroweak dark matter at future hadron colliders},
author = {Han, Tao and Mukhopadhyay, Satyanarayan and Wang, Xing},
abstractNote = {In a large class of scenarios, dark matter (DM) particles that belong to a multiplet of the standard model (SM) weak interactions are challenging to probe in direct detection experiments due to loop-suppressed cross sections. Direct production at colliders is thus crucial to look for such DM candidates, and under current estimates, future runs of the 14-TeV LHC are projected to probe masses of around 300 GeV for DM belonging to an SU(2) doublet (Higgsino-like), and 900 GeV for SU(2) triplet (winolike). We examine how far this mass reach can be extended at the proposed 27-TeV high-energy upgrade of the LHC (HE-LHC), and compare the results to the case for a 100-TeV hadron collider. Following a detector setup similar to that of the ATLAS tracking system for the run-2 LHC upgrade, with a new insertable b-layer (IBL), a disappearing charged track analysis at the HE-LHC can probe Higgsino-like (winolike) DM mass of up to 600 GeV (2.1 TeV) at the 95% C.L. The monojet and missing transverse momentum search, on the otherhand, has a weaker reach of 490 GeV (700 GeV) at 95% C.L. for the Higgsino-like (winolike) states. The mass range accessible in the collider searches can be complementary to the indirect detection probes using gamma rays from dwarf-spheroidal galaxies.},
doi = {10.1103/PhysRevD.98.035026},
journal = {Physical Review D},
number = [3],
volume = [98],
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.98.035026

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Cited by: 13 works
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