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Prospects for exotic $h\rightarrow 4 \tau$ decays in single and di-Higgs boson production at the LHC and future hadron colliders
/ Adhikary, Amit (Warsaw U. ; Bangalore, Indian Inst. Sci.) ; Banerjee, Shankha (CERN) ; Barman, Rahool Kumar (Oklahoma State U.) ; Batell, Brian (Pittsburgh U.) ; Bhattacherjee, Biplob (Bangalore, Indian Inst. Sci.) ; Bose, Camellia (Bangalore, Indian Inst. Sci.) ; Qian, Zhuoni (Hangzhou Normal U.) ; Spannowsky, Michael (Durham U., IPPP)
We study the prospects for observing exotic decays of the Standard Model Higgs boson $h$ into light beyond the Standard Model scalars $a$ with mass $m_{a} \lesssim m_{h}/2$ in the single Higgs and Higgs pair production channels at the high luminosity run of the Large Hadron Collider (HL-LHC). Discovery prospects for single Higgs production in the gluon-gluon fusion and vector boson fusion modes with the Higgs boson decaying via the exotic mode $h \to aa \to 4\tau$ are analyzed at the HL-LHC. [...]
arXiv:2211.07674.-
2024-03-01 - 35 p.
- Published in : Phys. Rev. D 109 (2024) 055008
Fulltext: 2211.07674 - PDF; Publication - PDF;
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Effective limits on single scalar extensions in the light of recent LHC data
/ Anisha (Indian Inst. Tech., Kanpur) ; Das Bakshi, Supratim (Indian Inst. Tech., Kanpur) ; Banerjee, Shankha (CERN) ; Biekötter, Anke (Durham U., IPPP) ; Chakrabortty, Joydeep (Indian Inst. Tech., Kanpur) ; Kumar Patra, Sunando (Bangabasi Coll.) ; Spannowsky, Michael (Durham U., IPPP)
In this paper, we work with 16 different single scalar particle extensions of the Standard Model. We present the sets of dimension-6 effective operators and the associated Wilson coefficients as functions of model parameters after integrating out the heavy scalars up to 1-loop, including the heavy-light mixing, for each such scenario. [...]
arXiv:2111.05876; CERN-TH-2021-190; IPPP/21/48.-
2023-03-01 - 50 p.
- Published in : Phys. Rev. D 107 (2023) 055028
Fulltext: 2111.05876 - PDF; Publication - PDF;
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Higgs boson pair production at colliders: status and perspectives
/ Di Micco, Biagio (ed.) (INFN, Rome3 ; Rome III U.) ; Gouzevitch, Maxime (ed.) (Lyon, IPN) ; Mazzitelli, Javier (ed.) (Zurich U.) ; Vernieri, Caterina (ed.) (SLAC) ; Alison, J. (Carnegie Mellon U.) ; Androsov, K. (INFN, Pisa) ; Baglio, J. (Tubingen U.) ; Bagnaschi, E. (PSI, Villigen) ; Banerjee, S. (Durham U., IPPP) ; Basler, P. (KIT, Karlsruhe, TTP) et al.
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for the next years. The document discusses the theoretical status, including state-of-the-art predictions for di-Higgs cross sections, developments on the effective field theory approach, and studies on specific new physics scenarios that can show up in the di-Higgs final state. [...]
arXiv:1910.00012; FERMILAB-CONF-19-468-E-T; LHCXSWG-2019-005.-
2020-11 - 161 p.
- Published in : Rev. Phys. 5 (2020) 100045
Fulltext: 1910.00012 - PDF; fermilab-conf-19-468-e-t - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
In : Double Higgs Production at Colliders, Batavia, IL, USA, 4 - 9 Sep 2018, pp.100045
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Higgs boson potential at colliders: status and perspectives
/ Di Micco, Biagio (Universita e INFN Roma Tre (IT)) ; Gouzevitch, Maxime (Centre National de la Recherche Scientifique (FR)) ; Mazzitelli, Javier (University of Zurich) ; Vernieri, Caterina (SLAC National Accelerator Laboratory (US)) ; Alison, John (Carnegie-Mellon University (US)) ; Androsov, Konstantin (INFN Sezione di Pisa, Universita' e Scuola Normale Superiore, Pisa (IT)) ; Baglio, Julien Lorenzo (CERN) ; Bagnaschi, Emanuele Angelo (Paul Scherrer Institut (CH)) ; Banerjee, Shankha (University of Durham (GB)) ; Basler, P (Karlsruhe Institute of Technology) et al.
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for the next years. The document discusses the theoretical status, including state-of-the-art predictions for di-Higgs cross sections, developments on the effective field theory approach, and studies on specific new physics scenarios that can show up in the di-Higgs final state. [...]
LHCHXSWG-2019-005.-
Geneva : CERN, 27 - 213.
Part 3 added: PDF;
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