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Singlet-triplet fermionic dark matter and LHC phenomenology
KTH, School of Engineering Sciences (SCI), Physics. Harish-Chandra Research Institute Allahabad India; Homi Bhabha National Institute Mumbai India.ORCID iD: 0000-0002-6071-8546
2018 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 78, no 4, article id 302Article in journal (Refereed) Published
Abstract [en]

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 (≥2j) + missing energy ([InlineEquation not available: see fulltext.]) 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. 

Place, publisher, year, edition, pages
Springer New York LLC , 2018. Vol. 78, no 4, article id 302
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-227352DOI: 10.1140/epjc/s10052-018-5785-1ISI: 000430236500004Scopus ID: 2-s2.0-85045664285OAI: oai:DiVA.org:kth-227352DiVA, id: diva2:1212910
Note

Export Date: 9 May 2018; Article; Correspondence Address: Khan, S.; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, India; email: sarifkhan@hri.res.in; Funding details: 674896, H2020, Horizon 2020 Framework Programme; Funding details: HRI, Harish-Chandra Research Institute; Funding details: 690575, Horizon 2020; Funding details: DAE, Department of Atomic Energy, Government of India; Funding details: IOP, Institute of Physics; Funding text: Acknowledgements We acknowledge the HRI cluster computing facility (http://cluster.hri.res.in). The authors would like to thank the Department of Atomic Energy (DAE) Neutrino Project of Harish-Chandra Research Institute. This project has received funding from the European Union’s Horizon 2020 research and innovation programme InvisiblesPlus RISE under the Marie Sklodowska-Curie Grant Agreement No. 690575. This project has received funding from the European Union’s Horizon 2020 research and innovation programme Elusives ITN under the Marie Sklodowska-Curie Grant Agreement No. 674896. SK would also like to thank IOP, Bhubaneswar for hospitality during the initial stage of this work. MM acknowledges the support of DST-INSPIRE FACULTY research grant. SM would also like to thank HRI and RECAPP, HRI for hospitality and financial support during the initial phase of this work. QC 20180604

Available from: 2018-06-04 Created: 2018-06-04 Last updated: 2018-06-04Bibliographically approved

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