CERN Accelerating science

CERN Document Server Encontrados 14 registros  1 - 10siguiente  ir al registro: La búsqueda tardó 0.59 segundos. 
1.
High energy lepton colliders as the ultimate Higgs microscopes / Banerjee, Shankha (CERN) ; Gupta, Rick S. (Durham U., IPPP) ; Ochoa-Valeriano, Oscar (Durham U., IPPP) ; Spannowsky, Michael (Durham U., IPPP)
We study standard electroweak/Higgs processes at the high-energy lepton colliders ILC and CLIC. We identify a subset of three operators in the SMEFT that give leading contributions to these processes at high energies. [...]
arXiv:2109.14634; CERN-TH-2021-142; IPPP/21/35.- 2022-02-21 - 25 p. - Published in : JHEP 02 (2022) 176 Fulltext: document - PDF; 2109.14634 - PDF;
2.
A fully differential SMEFT analysis of the golden channel using the method of moments / Banerjee, Shankha (CERN) ; Gupta, Rick S. (Durham U., IPPP) ; Ochoa-Valeriano, Oscar (Durham U., IPPP) ; Spannowsky, Michael (Durham U., IPPP) ; Venturini, Elena (Munich, Tech. U.)
The Method of Moments is a powerful framework to disentangle the relative contributions of amplitudes of a specific process to its various phase space regions. We apply this method to carry out a fully differential analysis of the Higgs decay channel $h \to 4\ell$ and constrain gauge-Higgs coupling modifications parametrised by dimension-six effective operators. [...]
arXiv:2012.11631; CERN-TH-2020-220; TUM-HEP-1309/20; IPPP/20/68.- 2021-06-04 - 32 p. - Published in : JHEP 2106 (2021) 031 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
3.
Precision SMEFT bounds from the VBF Higgs at high transverse momentum / Araz, Jack Y. (Durham U., IPPP) ; Banerjee, Shankha (CERN) ; Gupta, Rick S. (Durham U., IPPP) ; Spannowsky, Michael (Durham U., IPPP)
We study the production of Higgs bosons at high transverse momenta via vector-boson fusion (VBF) in the Standard Model Effective Field Theory (SMEFT). We find that contributions from four independent operator combinations dominate in this limit. [...]
arXiv:2011.03555; IPPP/20/52; CERN-TH-2020-186.- 2021-04-14 - 27 p. - Published in : JHEP 2104 (2021) 125 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
4.
Les Houches 2019 Physics at TeV Colliders: New Physics Working Group Report / Brooijmans, G. (Columbia U.) ; Buckley, A. (Glasgow U.) ; Caron, S. (Nijmegen U., IMAPP ; Nikhef, Amsterdam) ; Falkowski, A. (IJCLab, Orsay) ; Fuks, B. (IUF, Paris ; Paris, LPTHE) ; Gilbert, A. (Northwestern U.) ; Murray, W.J. (Warwick U. ; Rutherford) ; Nardecchia, M. (Rome U.) ; No, J.M. (Madrid, Autonoma U. ; Madrid, IFT) ; Torre, R. (INFN, Genoa ; CERN) et al.
This report presents the activities of the `New Physics' working group for the `Physics at TeV Colliders' workshop (Les Houches, France, 10--28 June, 2019). [...]
arXiv:2002.12220.
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Fulltext
5.
Report from Working Group 2 : Higgs Physics at the HL-LHC and HE-LHC / Cepeda, M. (CERN ; Madrid, CIEMAT) ; Gori, S. (UC, Santa Cruz, Inst. Part. Phys.) ; Ilten, P. (Birmingham U.) ; Kado, M. (Orsay, LAL ; INFN, Rome ; Rome U.) ; Riva, F. (Geneva U., Dept. Theor. Phys.) ; Abdul Khalek, R. (Vrije U., Amsterdam ; Nikhef, Amsterdam) ; Aboubrahim, A. (Northeastern U. (main)) ; Alimena, J. (Ohio State U., Columbus (main)) ; Alioli, S. (Milan Bicocca U.) ; Alves, A. (U. Sao Paulo (main)) et al.
The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson properties, Electroweak Symmetry breaking and the Standard Model in general, as well as new avenues in probing new physics beyond the Standard Model. [...]
arXiv:1902.00134; CERN-LPCC-2018-04.- Geneva : CERN, 2019-12-02 - 364 p. - Published in : CERN Yellow Rep. Monogr. 7 (2019) 221-584 Fulltext: PDF; Preprint: PDF; final document: PDF; External link: Published fulltext
In : HL/HE-LHC Workshop : Workshop on the Physics of HL-LHC, and Perspectives at HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018
Report on the Physics at the HL-LHC, and Perspectives for the HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018, pp.221-584
6.
Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case / Curtin, David (Toronto U.) ; Drewes, Marco (Louvain U., CP3) ; McCullough, Matthew (CERN) ; Meade, Patrick (YITP, Stony Brook) ; Mohapatra, Rabindra N. (Maryland U.) ; Shelton, Jessie (Illinois U., Urbana) ; Shuve, Brian (Harvey Mudd Coll. ; SLAC) ; Accomando, Elena (Southampton U.) ; Alpigiani, Cristiano (Washington U., Seattle) ; Antusch, Stefan (Basel U.) et al.
We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a comprehensive survey of Standard Model (SM) extensions. LLPs are a common prediction of a wide range of theories that address unsolved fundamental mysteries such as naturalness, dark matter, baryogenesis and neutrino masses, and represent a natural and generic possibility for physics beyond the SM (BSM). [...]
arXiv:1806.07396; FERMILAB-PUB-18-264-T.- 2019-10-02 - 133 p. - Published in : Rep. Prog. Phys. 82 (2019) 116201 Fulltext: 1806.07396 - PDF; fermilab-pub-18-264-t - PDF; External link: Fermilab Library Server (fulltext available)
7.
Maximal deviations of the scalar boson couplings if no further particle is seen / Gupta, Rick S (Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D (CERN ; Michigan U.)
In the light of the discovery of a Higgs boson like particle and no evidence of particles beyond the Standard Model the question arises: How much can the coupling of the Higgs boson to other particles deviate from the Standard Model Higgs couplings if no further particles will be discovered at the LHC and how precise have Higgs coupling measurements to be to capture these deviations? In the context of three dierent models (a model with a singlet Higgs boson mixed-in, a composite Higgs boson model and the Minimal Supersymmetric Standard Model) these questions will be answered..
2013 Fulltext: PDF;
In : 48th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 2 - 9 Mar 2013, pp.299-304
8.
Physics at the CLIC $e^{+}e^{-}$ Linear Collider - Input to the Snowmass process 2013 / Abramowicz, H. (Tel Aviv U.) ; Abusleme, A. (Chile U., Catolica) ; Afanaciev, K. (Minsk, High Energy Phys. Ctr.) ; Alexander, G. (Tel Aviv U.) ; Alipour Tehrani, N. (CERN) ; Alonso, O. (Barcelona U.) ; Andersen, K.K. (Aarhus U.) ; Arfaoui, S. (CERN) ; Balazs, C. (Monash U.) ; Barklow, T. (SLAC) et al. /CLIC Detector and Physics Study
This paper summarizes the physics potential of the CLIC high-energy e+e- linear collider. It provides input to the Snowmass 2013 process for the energy-frontier working groups on The Higgs Boson (HE1), Precision Study of Electroweak Interactions (HE2), Fully Understanding the Top Quark (HE3), as well as The Path Beyond the Standard Model -- New Particles, Forces, and Dimensions (HE4). [...]
arXiv:1307.5288.- 2013 - 31 p. Fulltext: PDF; External links: PDF on ECONF; Proceedings write-up on ECONF
In : Community Summer Study 2013 : Snowmass on the Mississippi, Minneapolis, MN, USA, 29 Jul - 6 Aug 2013
9.
How well do we need to measure the Higgs boson mass and self-coupling? / Gupta, Rick S. (Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D. (CERN ; Michigan U.)
Much of the discussion regarding future measurements of the Higgs boson mass and self-coupling is focussed on how well various collider options can do. In this article we ask a physics-based question of how well do we need colliders to measure these quantities to have an impact on discovery of new physics or an impact in how we understand the role of the Higgs boson in nature. [...]
arXiv:1305.6397; CERN-PH-TH-2013-101; CERN-PH-TH-2013-101.- 2013-09-27 - 12 p. - Published in : Phys. Rev. D 88 (2013) 055024 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint
10.
How well do we need to measure Higgs boson couplings? / Gupta, Rick S. (CERN ; Michigan U. ; Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D. (CERN ; Michigan U.)
Most of the discussion regarding the Higgs boson couplings to Standard Model vector bosons and fermions is presented with respect to what present and future collider detectors will be able to measure. Here, we ask the more physics-based question of how well do we need to measure the Higgs boson couplings? We first present a reasonable definition of "need" and then investigate the answer in the context of various highly motivated new physics scenarios: supersymmetry, mixed-in hidden sector Higgs bosons, and a composite Higgs boson. [...]
arXiv:1206.3560; CERN-PH-TH-2012-158; CERN-PH-TH-2012-158.- 2012 - 9 p. - Published in : Phys. Rev. D 86 (2012) 095001 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint

CERN Document Server : Encontrados 14 registros   1 - 10siguiente  ir al registro:
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