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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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Finding Wombling Boundaries in LHC Data with Voronoi and Delaunay Tessellations
/ Matchev, Konstantin T. (Florida U., Inst. Fund. Theor.) ; Roman, Alexander (Florida U., Inst. Fund. Theor.) ; Shyamsundar, Prasanth (Florida U., Inst. Fund. Theor.)
We address the problem of finding a wombling boundary in point data generated by a general Poisson point process, a specific example of which is an LHC event sample distributed in the phase space of a final state signature, with the wombling boundary created by some new physics. We discuss the use of Voronoi and Delaunay tessellations of the point data for estimating the local gradients and investigate methods for sharpening the boundaries by reducing the statistical noise. [...]
arXiv:2006.06582.-
2020-12-21 - 54 p.
- Published in : JHEP 2012 (2020) 137
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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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
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Enhancing the discovery prospects for SUSY-like decays with a novel kinematic variable
/ Debnath, Dipsikha (Florida U. ; Rutgers U., Piscataway) ; Gainer, James S. (Hawaii U.) ; Kilic, Can (Texas U.) ; Kim, Doojin (CERN ; Arizona U.) ; Matchev, Konstantin T. (Florida U.) ; Yang, Yuan-Pao (Texas U.)
The lack of a new physics signal thus far at the Large Hadron Collider motivates us to consider how to look for challenging final states, with large Standard Model backgrounds and subtle kinematic features, such as cascade decays with compressed spectra. Adopting a benchmark SUSY-like decay topology with a four-body final state proceeding through a sequence of two-body decays via intermediate resonances, we focus our attention on the kinematic variable $\Delta_{4}$ which previously has been used to parameterize the boundary of the allowed four-body phase space. [...]
arXiv:1809.04517; UTTG-09-18; CERN-TH-2018-203; UH-511-2018-1295.-
2019-05-02 - 20 p.
- Published in : JHEP 05 (2019) 008
Article from SCOAP3: PDF; Fulltext: PDF;
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Adding Pseudo-Observables to the Four-Lepton Experimentalist's Toolbox
/ Gainer, James S. (Hawaii U.) ; González-Alonso, Martín (CERN) ; Greljo, Admir (U. Mainz, PRISMA ; Mainz U., Inst. Phys. ; Sarajevo U.) ; Isaković, Senad (Sarajevo U.) ; Isidori, Gino (Zurich U.) ; Korytov, Andrey (Florida U.) ; Lykken, Joseph (Fermilab) ; Marzocca, David (INFN, Trieste) ; Matchev, Konstantin T. (Florida U.) ; Milenović, Predrag (CERN) et al.
The "golden" channel, in which the newly-discovered Higgs boson decays to four leptons by means of intermediate vector bosons, is important for determining the properties of the Higgs boson and for searching for subtle new physics effects. Different approaches exist for parametrizing the relevant Higgs couplings in this channel; here we relate the use of pseudo-observables to methods based on specifying the most general amplitude or Lagrangian terms for the $HVV$ interactions. [...]
arXiv:1808.00965; CERN-TH-2018-178; FERMILAB-PUB-18-332-CD; UH-511-1255-18.-
2018-10-10 - 33 p.
- Published in : JHEP 10 (2018) 073
Article from SCOAP3: PDF; Fulltext: 1808.00965 - PDF; fermilab-pub-18-332-cd - PDF; External link: Fermilab Library Server (fulltext available)
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Detecting kinematic boundary surfaces in phase space and particle mass measurements in SUSY-like events
/ Debnath, Dipsikha (Florida U.) ; Gainer, James S. (Hawaii U.) ; Kilic, Can (Texas U. ; Texas U., TCC) ; Kim, Doojin (CERN ; Florida U.) ; Matchev, Konstantin T. (Florida U.) ; Yang, Yuan-Pao (Texas U. ; Texas U., TCC)
We critically examine the classic endpoint method for particle mass determination, focusing on difficult corners of parameter space, where some of the measurements are not independent, while others are adversely affected by the experimental resolution. In such scenarios, mass differences can be measured relatively well, but the overall mass scale remains poorly constrained. [...]
arXiv:1611.04487; CERN-TH-2016-235; UTTG-21-16.-
Geneva : CERN, 2017-06-19 - 52 p.
- Published in : JHEP 1706 (2017) 092
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: source - ZIP; arXiv:1611.04487 - PDF; CERN-TH-2016-235 - PDF;
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