Singlet-triplet fermionic dark matter and LHC phenomenology

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http://hdl.handle.net/10138/234654

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Choubey , S , Khan , S , Mitra , M & Mondal , S 2018 , ' Singlet-triplet fermionic dark matter and LHC phenomenology ' , European Physical Journal C. Particles and Fields , vol. 78 , no. 4 , 302 . https://doi.org/10.1140/epjc/s10052-018-5785-1

Title: Singlet-triplet fermionic dark matter and LHC phenomenology
Author: Choubey, Sandhya; Khan, Sarif; Mitra, Manimala; Mondal, Subhadeep
Contributor: University of Helsinki, Department of Physics
Date: 2018-04-17
Language: eng
Number of pages: 18
Belongs to series: European Physical Journal C. Particles and Fields
ISSN: 1434-6044
URI: http://hdl.handle.net/10138/234654
Abstract: It is well known that for the pure standard model triplet fermionic WIMP-type dark matter (DM), the relic density is satisfied around 2 TeV. For such a heavy mass particle, the production cross-section at 13 TeV run of LHC will be very small. Extending the model further with a singlet fermion and a triplet scalar, DM relic density can be satisfied for even much lower masses. The lower mass DM can be copiously produced at LHC and hence the model can be tested at collider. For the present model we have studied the multi jet (>= 2 j) + missing energy ((sic)(T)) signal and show that this can be detected in the near future of the LHC 13 TeV run. We also predict that the present model is testable by the earth based DM direct detection experiments like Xenon-1T and in future by Darwin.
Subject: NEUTRALINO ANNIHILATION
ATLAS DETECTOR
ROOT-S=13 TEV
FINAL-STATES
2 PHOTONS
MASS
COLLISIONS
SEARCH
MODEL
114 Physical sciences
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