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2021-10-18
13:10
Search for massive long-lived particles decaying semileptonically at $\sqrt{s}=13$ TeV / LHCb Collaboration
A search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. [...]
arXiv:2110.07293 ; CERN-EP-2021-186 ; LHCB-PAPER-2021-028.
- 2021.
Fulltext - Related data file(s) - Supplementary information

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2021-10-16
04:31
Sparse Data Generation for Particle-Based Simulation of Hadronic Jets in the LHC / Orzari, Breno (SPRACE) ; Tomei, Thiago (SPRACE) ; Pierini, Maurizio (CERN) ; Touranakou, Mary (CERN ; Athens Natl. Capodistrian U.) ; Duarte, Javier (UC, San Diego (main)) ; Kansal, Raghav (UC, San Diego (main)) ; Vlimant, Jean-Roch (Caltech, Pasadena (main)) ; Gunopulos, Dimitrios (Athens Natl. Capodistrian U.)
We develop a generative neural network for the generation of sparse data in particle physics using a permutation-invariant and physics-informed loss function. [...]
arXiv:2109.15197.
- 4 p.
Fulltext

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2021-10-16
04:27
Leading-Color Two-Loop Amplitudes for Four Partons and a W Boson in QCD / Abreu, S. (CERN ; U. Edinburgh, Higgs Ctr. Theor. Phys. ; UCLA) ; Cordero, F. Febres ; Ita, H. ; Klinkert, M. ; Page, B. (CERN) ; Sotnikov, V. (Munich, Max Planck Inst.)
We present the leading-color two-loop QCD corrections for the scattering of four partons and a $W$ boson, including its leptonic decay. [...]
arXiv:2110.07541 ; CERN-TH-2021-156 ; FR-PHENO-2021-12 ; MPP-2021-181.
- 31 p.
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2021-10-16
04:22
Multinucleon excitations in neutrino-nucleus scattering: connecting different microscopic models for the correlations / Chanfray, G. (IP2I, Lyon) ; Ericson, M. (IP2I, Lyon ; CERN) ; Martini, M. (IPSA, Paris ; Paris U., VI-VII)
The problem of nucleon-nucleon correlations and meson exchange currents has been vividly debated in connection with the neutrino-nucleus cross sections. [...]
arXiv:2109.13550.
- 34 p.
Fulltext

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2021-10-16
04:12
Gegenbauer Goldstones / Durieux, Gauthier (CERN) ; McCullough, Matthew (CERN) ; Salvioni, Ennio (CERN ; U. Padua, Dept. Phys. Astron. ; INFN, Padua)
We investigate radiatively stable classes of pseudo-Nambu-Goldstone boson (pNGB) potentials for approximate spontaneously broken $\mathrm{SO}(N+1)\to\mathrm{SO}(N)$. [...]
arXiv:2110.06941 ; CERN-TH-2021-141.
- 20 p.
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2021-10-16
04:08
Style-based quantum generative adversarial networks for Monte Carlo events / Bravo-Prieto, Carlos (ICC, Barcelona U. ; Singapore Natl. U.) ; Baglio, Julien (CERN) ; Cè, Marco (CERN) ; Francis, Anthony (CERN ; Taiwan, Natl. Chiao Tung U.) ; Grabowska, Dorota M. (CERN) ; Carrazza, Stefano (ICC, Barcelona U. ; Singapore Natl. U. ; CERN ; Milan U. ; INFN, Milan)
We propose and assess an alternative quantum generator architecture in the context of generative adversarial learning for Monte Carlo event generation, used to simulate particle physics processes at the Large Hadron Collider (LHC). [...]
arXiv:2110.06933 ; CERN-TH-2021-139 ; TIF-UNIMI-2021-14.
- 14 p.
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2021-10-16
04:08
Flipped SU(5) GUT Phenomenology: Proton Decay and $g_\mu-2$ / Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Evans, Jason L. ; Nagata, Natsumi ; Nanopoulos, Dimitri V. ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.)
We consider proton decay and $g_\mu - 2$ in flipped SU(5) GUT models. [...]
arXiv:2110.06833 ; KCL-PH-TH/2021-76 ; CERN-TH-2021-154 ; ACT-4-21 ; MI-HET-765, UMN-TH-4105/21 ; FTPI-MINN-21/22.
- 25 p.
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2021-10-16
04:08
Top-quark mass effects in H+jet and H+2 jets production / Chen, X. (KIT, Karlsruhe ; KIT, Karlsruhe, IKP ; Zurich U.) ; Huss, A. (CERN) ; Jones, S.P. (Durham U., IPPP) ; Kerner, M. (KIT, Karlsruhe ; KIT, Karlsruhe, IKP ; Zurich U.) ; Lang, J.-N. (Zurich U.) ; Lindert, J.M. (Sussex U.) ; Zhang, H. (Zurich U. ; KIT, Karlsruhe, TTP)
We present calculations of Higgs boson production via gluon-gluon fusion in association with one or two additional jets at next-to-leading order in QCD. [...]
arXiv:2110.06953 ; KA-TP-21-2021 ; TTP21-035 ; CERN-TH-2021-153 ; P3H-21-070 ; ZU-TH 48/21, IPPP/21/39.
- 22 p.
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2021-10-15
13:33
Analysis of high energy physics records in databases : science and technology indicators in high energy physics / Hillebrand, Claus-D (CERN)
An analysis of the literature on high energy physics was performed on the basis of the contents of the bibliographic database INIS (International Nuclear Information System). [...]
CERN-DSU-SPU-99-148.
- 22 p.
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2021-10-15
06:04
Studies of Boosted Topologies and Jet Substructure at the LHC / Haller, Johannes (Hamburg U.) ; Kogler, Roman (Hamburg U.) ; Tackmann, Frank (DESY)
The high centre-of mass energy available in run-2 of CERN's Large-Hadron-Collider (LHC) results in an abundant production of heavy particles with high transverse momenta ($p_T$). [...]
2018. - 14 p.
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