Signals for vector-like leptons in an S3-symmetric 2HDM at ILC
In this work, we explore the signals of an S 3 -symmetric two Higgs doublet model with two generations of vector-like leptons (VLLs) at the proposed International Linear Collider (ILC). The lightest neutral component of the VLL in this model provides a viable dark matter (DM) candidate satisfying th...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2022-06, Vol.82 (6) |
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| container_title | The European physical journal. C, Particles and fields |
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| creator | Chakraborty, Indrani Ghosh, Dilip Kumar Ghosh, Nivedita Rai, Santosh Kumar |
| description | In this work, we explore the signals of an
S
3
-symmetric two Higgs doublet model with two generations of vector-like leptons (VLLs) at the proposed International Linear Collider (ILC). The lightest neutral component of the VLL in this model provides a viable dark matter (DM) candidate satisfying the current relic density data as well as circumventing all direct and indirect DM search constraints. Some representative benchmark points have been selected with low, medium and high DM masses, satisfying all theoretical and experimental constraints of the model and constraints coming from the DM sector. The VLLs (both neutral and charged) will be produced in pair leading to multi-lepton and multi-jet final states. We show that the ILC will prove to be a much more efficient and useful machine to hunt for such signals compared to LHC. Using traditional cut-based analysis as well as sophisticated multivariate analysis, we perform a detailed analysis of some promising channels containing mono-lepton plus di-jet, di-lepton, four-lepton and four jets along with missing transverse energy in the final state at 1 TeV ILC. |
| doi_str_mv | 10.1140/epjc/s10052-022-10477-9 |
| format | Article |
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S
3
-symmetric two Higgs doublet model with two generations of vector-like leptons (VLLs) at the proposed International Linear Collider (ILC). The lightest neutral component of the VLL in this model provides a viable dark matter (DM) candidate satisfying the current relic density data as well as circumventing all direct and indirect DM search constraints. Some representative benchmark points have been selected with low, medium and high DM masses, satisfying all theoretical and experimental constraints of the model and constraints coming from the DM sector. The VLLs (both neutral and charged) will be produced in pair leading to multi-lepton and multi-jet final states. We show that the ILC will prove to be a much more efficient and useful machine to hunt for such signals compared to LHC. Using traditional cut-based analysis as well as sophisticated multivariate analysis, we perform a detailed analysis of some promising channels containing mono-lepton plus di-jet, di-lepton, four-lepton and four jets along with missing transverse energy in the final state at 1 TeV ILC.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-022-10477-9</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Astronomy ; Astrophysics and Cosmology ; Constraint modelling ; Dark matter ; Elementary Particles ; Hadrons ; Heavy Ions ; Large Hadron Collider ; Leptons ; Measurement Science and Instrumentation ; Multivariate analysis ; Nuclear Energy ; Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Regular Article - Theoretical Physics ; String Theory ; Superconducting supercolliders</subject><ispartof>The European physical journal. C, Particles and fields, 2022-06, Vol.82 (6)</ispartof><rights>The Author(s) 2022</rights><rights>The Author(s) 2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epjc/s10052-022-10477-9$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1140/epjc/s10052-022-10477-9$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>315,782,786,866,27933,27934,41129,41497,42198,42566,51328,51585</link.rule.ids></links><search><creatorcontrib>Chakraborty, Indrani</creatorcontrib><creatorcontrib>Ghosh, Dilip Kumar</creatorcontrib><creatorcontrib>Ghosh, Nivedita</creatorcontrib><creatorcontrib>Rai, Santosh Kumar</creatorcontrib><title>Signals for vector-like leptons in an S3-symmetric 2HDM at ILC</title><title>The European physical journal. C, Particles and fields</title><addtitle>Eur. Phys. J. C</addtitle><description>In this work, we explore the signals of an
S
3
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S
3
-symmetric two Higgs doublet model with two generations of vector-like leptons (VLLs) at the proposed International Linear Collider (ILC). The lightest neutral component of the VLL in this model provides a viable dark matter (DM) candidate satisfying the current relic density data as well as circumventing all direct and indirect DM search constraints. Some representative benchmark points have been selected with low, medium and high DM masses, satisfying all theoretical and experimental constraints of the model and constraints coming from the DM sector. The VLLs (both neutral and charged) will be produced in pair leading to multi-lepton and multi-jet final states. We show that the ILC will prove to be a much more efficient and useful machine to hunt for such signals compared to LHC. Using traditional cut-based analysis as well as sophisticated multivariate analysis, we perform a detailed analysis of some promising channels containing mono-lepton plus di-jet, di-lepton, four-lepton and four jets along with missing transverse energy in the final state at 1 TeV ILC.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjc/s10052-022-10477-9</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Astronomy Astrophysics and Cosmology Constraint modelling Dark matter Elementary Particles Hadrons Heavy Ions Large Hadron Collider Leptons Measurement Science and Instrumentation Multivariate analysis Nuclear Energy Nuclear Physics Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Regular Article - Theoretical Physics String Theory Superconducting supercolliders |
| title | Signals for vector-like leptons in an S3-symmetric 2HDM at ILC |
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