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The Higgs Boson : From Theory to Experiment
/ Wagner, Carlos E.M. (speaker) (The University of Chicago)
The discovery of the Higgs boson in July 2012 was the highlight of an incredible journey in High Energy Physics. The Higgs field was postulated as the minimal addition to the Standard Model (SM) fermion and gauge boson field content, allowing to provide masses to all known fundamental particle in a gauge invariant way.
The scale of these masses is given by the Higgs field vacuum expectation value and the hierarchy of masses is dictated by the couplings of these particles to the Higgs boson.
The Higgs boson mass was anticipated by precision electroweak measurements, and the LHC has now studied its production and decay rates in many different channels, finding amazing consistency with this picture.
Apart from being the only known fundamental spin zero particle, the Higgs boson has,several fascinating properties: its couplings are flavor diagonal even under the presence of arbitrary complex Yukawas, its mass is proportional to its self-coupling and the associated Higgs field vacuum expectation value is unstable under the presence of new heavy fermion or scalar sectors. This implies some rigidity in the construction of natural extensions of the minimal Higgs picture, as well as some mystery regarding the scale of the Higgs vacuum expectation value.
I will discuss these questions, the efforts to go beyond the SM picture andthe relevant experimental program designed to study the properties of this fascinating particle and the associated Higgs field potential.
This colloquium is part of the "Extended Scalar Sector from all angles" workshop (https://indico.cern.ch/event/1376030/). [...]
2024 - 4034.
Theory Colloquia
External link: Event details
In : The Higgs Boson : From Theory to Experiment
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Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
/ Bose, Tulika (Wisconsin U., Madison) ; Boveia, Antonio (Ohio State U., CCAPP) ; Doglioni, Caterina (Manchester U.) ; Griso, Simone Pagan (LBNL, Berkeley) ; Hirschauer, James (Fermilab) ; Lipeles, Elliot (Pennsylvania U.) ; Liu, Zhen (Minnesota U.) ; Shah, Nausheen R. (Wayne State U.) ; Wang, Lian-Tao (Chicago U., EFI ; Chicago U., KICP) ; Agashe, Kaustubh (Maryland U.) et al.
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. [...]
arXiv:2209.13128 ; FERMILAB-FN-1204-AD-QIS-SCD.
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108.
Fermilab Library Server - eConf - Fulltext - Fulltext
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TF07 Snowmass Report: Theory of Collider Phenomena
/ Maltoni, F. (Louvain U., CP3 ; INFN, Bologna ; U. Bologna, DIFA) ; Su, S. (Arizona U.) ; Thaler, J. (MIT, Cambridge, CTP ; IAIFI, Cambridge ; Harvard U.) ; Aarrestad, T.K. (CERN) ; Aboubrahim, A. (Munster U., ITP) ; Adhikari, S. (Kansas U. ; Johns Hopkins U.) ; Agapov, I. (DESY) ; Agashe, K. (Maryland U.) ; Agrawal, P. (Oxford U., Theor. Phys.) ; Airen, S. (Maryland U.) et al.
Theoretical research has long played an essential role in interpreting data from high-energy particle colliders and motivating new accelerators to advance the energy and precision frontiers. [...]
arXiv:2210.02591 ; FERMILAB-FN-1203-QIS.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
/ Aalbers, J. (SLAC ; KIPAC, Menlo Park) ; AbdusSalam, S.S. (Shahid Beheshti U.) ; Abe, K. (Kamioka Observ. ; Tokyo U., IPMU) ; Aerne, V. (Zurich U.) ; Agostini, F. (U. Bologna, DIFA ; INFN, Bologna) ; Maouloud, S. Ahmed (Paris U., VI-VII) ; Akerib, D.S. (SLAC ; KIPAC, Menlo Park) ; Akimov, D.Yu. (Moscow Phys. Eng. Inst.) ; Akshat, J. (Purdue U.) ; Musalhi, A.K. Al (Oxford U.) et al.
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. [...]
arXiv:2203.02309; INT-PUB-22-003; FERMILAB-PUB-22-112-PPD-QIS-T.-
2022-12-15 - 77 p.
- Published in : J. Phys. G 50 (2023) 013001
Fulltext: 2203.02309 - PDF; jt - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Higgs-mass predictions in the MSSM and beyond
/ Slavich, P. (ed.) (Paris, LPTHE) ; Heinemeyer, S. (ed.) (Madrid, Autonoma U. ; Cantabria Inst. of Phys.) ; Bagnaschi, E. (PSI, Villigen) ; Bahl, H. (DESY) ; Goodsell, M. (Paris, LPTHE) ; Haber, H.E. (UC, Santa Cruz, Inst. Part. Phys.) ; Hahn, T. (Munich, Max Planck Inst.) ; Harlander, R. (Aachen, Tech. Hochsch.) ; Hollik, W. (Munich, Max Planck Inst.) ; Lee, G. (Korea U. ; Cornell U., LEPP ; Toronto U.) et al.
Predictions for the Higgs masses are a distinctive feature of supersymmetric extensions of the Standard Model, where they play a crucial role in constraining the parameter space. The discovery of a Higgs boson and the remarkably precise measurement of its mass at the LHC have spurred new efforts aimed at improving the accuracy of the theoretical predictions for the Higgs masses in supersymmetric models. [...]
arXiv:2012.15629; DESY 20-229; DESY-20-229; IFT-UAM/CSIC-20-184; FR-PHENO-2020-021; KA-TP-23-2020; MPP-2020-235; KA-TP-23-2020,
MPP-2020-235; P3H-20-086; TTK-20-53; FERMILAB-PUB-21-575-T.-
2021-05-25 - 71 p.
- Published in : Eur. Phys. J. C 81 (2021) 450
Article from SCOAP3: PDF; Fulltext: fermilab-pub-21-575-t - PDF; 2012.15629 - PDF; External link: Fermilab Library Server
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ebook
ebook
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7.
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CP Violation in Heavy MSSM Higgs Scenarios
/ Carena, M. (Chicago U., EFI ; Chicago U., KICP ; Fermilab) ; Ellis, J. (CERN ; King's Coll. London) ; Lee, J.S. (Chonnam Natl. U.) ; Pilaftsis, A. (CERN ; Manchester U.) ; Wagner, C.E.M. (Argonne ; Chicago U., EFI ; Chicago U., KICP)
We introduce and explore new heavy Higgs scenarios in the Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation, which have important phenomenological implications that may be testable at the LHC. For soft supersymmetry-breaking scales M_S above a few TeV and a charged Higgs boson mass M_H+ above a few hundred GeV, new physics effects including those from explicit CP violation decouple from the light Higgs boson sector. [...]
arXiv:1512.00437; CNU-HEP-15-07; FERMILAB-PUB-15-508-T; EFI-15-36; MAN-HEP-2015-19; LCTS-2015-37; CERN-PH-TH-2015-252; KCL-PH-TH-2015-49; CNU-HEP-15-07; FERMILAB-PUB-15-508-T; EFI-15-36; MAN-HEP-2015-19; KCL-PH-TH-2015-49; LCTS-2015-37; CERN-PH-TH-2015-252.-
Geneva : CERN, 2016-02-18 - 39 p.
- Published in : JHEP 02 (2016) 123
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: fermilab-pub-15-508-t - PDF; arXiv:1512.00437 - PDF; Springer Open Access article: PDF; External link: Fermilab Library Server (fulltext available)
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The pMSSM Interpretation of LHC Results Using Rernormalization Group Invariants
/ Carena, Marcela (Fermilab ; Chicago U., EFI ; Chicago U., KICP ; CERN) ; Lykken, Joseph (Fermilab) ; Sekmen, Sezen (CERN) ; Shah, Nausheen R. (Fermilab) ; Wagner, Carlos E.M. (Chicago U., EFI ; Chicago U., KICP ; Argonne)
The LHC has started to constrain supersymmetry-breaking parameters by setting bounds on possible colored particles at the weak scale. Moreover, constraints from Higgs physics, flavor physics, the anomalous magnetic moment of the muon, as well as from searches at LEP and the Tevatron have set additional bounds on these parameters. [...]
ANL-HEP-PR-12-26; EFI-12-06; FERMILAB-PUB-12-132-PPD-T; arXiv:1205.5903; ANL-HEP-PR-12-26; EFI-12-06; FERMILAB-PUB-12-132-PPD-T.-
2012 - 38 p.
- Published in : Phys. Rev. D 86 (2012) 075025
APS Published version, local copy: PDF; Fulltext: PDF; Preprint: PDF;
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