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2021-11-27
04:34
Probing multi-particle unitarity with the Landau equations / Correia, Miguel ; Sever, Amit ; Zhiboedov, Alexander
We consider the $2\to 2$ scattering amplitude of identical massive particles. [...]
arXiv:2111.12100 ; CERN-TH-2021-197. - 9 p.
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2021-11-27
04:30
Standard Model soft QCD at ATLAS and CMS / Caforio, Davide (U. Giessen, II. Phys. Inst.)
Recent results in soft QCD at LHC by the ATLAS, CMS and TOTEM Collaborations are presented. [...]
arXiv:2111.03566. - 4 p.
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2021-11-27
04:24
General Analytical Conditions for Inflaton Fragmentation: Quick and Easy Tests for its Occurrence / Kim, Jinsu (CERN) ; McDonald, John (Lancaster U.)
Understanding the physics of inflaton condensate fragmentation in the early Universe is crucial as the existence of fragments in the form of non-topological solitons (oscillons or Q-balls) may potentially modify the evolution of the post-inflation Universe. [...]
arXiv:2111.12474 ; CERN-TH-2021-202. - 9 p.
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2021-11-27
04:24
Electroweak input parameters / Brivio, Ilaria (Marseille, CPT) ; Dawson, Sally (Marseille, CPT) ; de Blas, Jorge (Geneva U. ; CERN ; Paris U., VI-VII) ; Durieux, Gauthier (Geneva U. ; CERN ; Paris U., VI-VII) ; Savard, Pierre (Geneva U. ; CERN ; Paris U., VI-VII) ; Denner, Ansgar (Marseille, CPT) ; Freitas, Ayres (Marseille, CPT) ; Hays, Chris (Marseille, CPT) ; Pecjak, Ben (Marseille, CPT) ; Vicini, Alessandro (Marseille, CPT)
Different sets of electroweak input parameters are discussed for SMEFT predictions at the LHC. [...]
arXiv:2111.12515 ; CERN-LPCC-2021-002. - 5 p.
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2021-11-27
00:39
Search for heavy resonances decaying to ZZ or ZW and axion-like particles mediating nonresonant ZZ or ZH production at $\sqrt{s} = $ 13 TeV
A search has been performed for heavy resonances decaying to ZZ or ZW and for axion-like particles (ALPs) mediating nonresonant ZZ or ZH production, in final states with two charged leptons (${\ell} = $ e, $\mu$) produced by the decay of a Z boson, and two quarks produced by the decay of a Z, W, or Higgs bosonH. [...]
CERN-EP-2021-220 ; CMS-B2G-20-013-003. - 2021.
Additional information for the analysis - CMS AuthorList - Fulltext

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2021-11-25
04:13
Status and Plans for the CMS High Granularity Calorimeter Upgrade Project / Quast, Thorben (CERN)
The CMS Collaboration is preparing to build replacement endcap calorimeters for the HL-LHC era. [...]
arXiv:2111.12455. -
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2021-11-25
04:05
Exploring the effect of hadron cascade-time on particle production in Xe+Xe collisions at $\sqrt {s_{NN}}$ = 5.44 TeV through a multi-phase transport model / Pradhan, Girija Sankar (Indian Inst. Tech., Indore) ; Rath, Rutuparna (Indian Inst. Tech., Indore) ; Scaria, Ronald (Indian Inst. Tech., Indore) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN)
Heavy-ion collisions at ultra-relativistic energies provide extreme conditions of energy density and temperature to produce a deconfined state of quarks and gluons. [...]
arXiv:2111.05248. - 8 p.
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2021-11-24
04:21
Master-field simulations of QCD / Fritzsch, P. ; Bulava, J. ; Cè, M. ; Francis, A. ; Lüscher, M. ; Rago, A.
We report on the first master-field simulations of QCD with 2+1 dynamical quark flavours using non-perturbatively improved stabilised Wilson fermions. [...]
arXiv:2111.11544 ; CERN-TH-2021-198. - 9 p.
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2021-11-24
04:21
Searches for leptoquarks in scenarios of lepton flavor universality anomalies / Reimers, Arne Christoph (APC, Paris)
Leptoquarks with masses at the TeV scale have been proposed as possible solutions to flavor anomalies reported in the b-flavor sector. [...]
arXiv:2111.11756. - 5 p.
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2021-11-24
04:21
Measurements of charm production in pp collisions with ALICE / Cheng, Tiantian (Lund U. ; Hua-Zhong Normal U. ; Darmstadt, GSI)
The production of charm-hadrons at midrapidity in pp collisions at $\sqrt{s}$ = 5.02 and 13 TeV was recently measured by the ALICE Collaboration. [...]
arXiv:2111.12054. - 4 p.
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