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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
04:12
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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2021-10-14
05:04
The Spectrum of Boundary States in Symmetric Orbifolds / Belin, Alexandre (CERN) ; Biswas, Shovon ; Sully, James
We give an explicit construction of the complete set of Cardy boundary states that respect the extended chiral algebra for symmetric product orbifolds. [...]
arXiv:2110.05491 ; CERN-TH-2021-149. - 35 p.
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2021-10-14
04:53
R-Parity Violation Axiogenesis / Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Harigaya, Keisuke (CERN ; Princeton, Inst. Advanced Study) ; Johnson, Zachary ; Pierce, Aaron
We show that the rotation of the QCD axion field, aided by $B-L$ violation from supersymmetric $R$-parity violating couplings, can yield the observed baryon abundance. [...]
arXiv:2110.05487 ; UMN-TH-4104/21 ; FTPI-MINN-21-21 ; CERN-TH-2021-147 ; LCTP-21-25. - 40 p.
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2021-10-08
04:23
NNLO QCD corrections to weak boson fusion Higgs boson production in the $H \to b\bar b$ and $H \to WW^* \to 4l$ decay channels / Asteriadis, Konstantin (Brookhaven) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Melnikov, Kirill (KIT, Karlsruhe, TTP) ; Röntsch, Raoul (CERN ; INFN, Milan ; Milan U.)
We compute the next-to-next-to-leading order QCD corrections to Higgs boson production in weak boson fusion followed by its decay to a $b\bar b$ pair or to a pair of leptonically-decaying $W$ bosons. [...]
arXiv:2110.02818 ; OUTP-21-23P ; TTP21-032 ; P3H-21-066 ; CERN-TH-2021-146, TIF-UNIMI-2021-15. - 30 p.
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2021-10-06
11:30
Logarithmic accuracy of angular-ordered parton showers / Bewick, Gavin (Durham U., IPPP) ; Ferrario Ravasio, Silvia (Durham U., IPPP) ; Richardson, Peter (Durham U., IPPP ; CERN) ; Seymour, Michael H. (Manchester U.)
We study the logarithmic accuracy of angular-ordered parton showers by considering the singular limits of multiple emission matrix elements. This allows us to consider different choices for the evolution variable and propose a new choice which has both the correct logarithmic behaviour and improved performance away from the singular regions. [...]
arXiv:1904.11866; MAN/HEP/2019/003; CERN-TH-2019-047; MCnet-19-08; IPPP/19/30.- 2020-04-03 - 28 p. - Published in : JHEP 2004 (2020) 019 Fulltext: PDF;

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2021-10-05
04:14
Cosmological constraints without fingers of God / Ivanov, Mikhail M. (Princeton, Inst. Advanced Study) ; Philcox, Oliver H.E. (Princeton, Inst. Advanced Study ; Princeton U., Astrophys. Sci. Dept. ; Cambridge U., DAMTP) ; Simonović, Marko (CERN) ; Zaldarriaga, Matias (Princeton, Inst. Advanced Study) ; Nishimichi, Takahiro (Kyoto U., Yukawa Inst., Kyoto ; Tokyo U., IPMU) ; Takada, Masahiro (Tokyo U., IPMU)
Non-linear redshift-space distortions ("fingers of God") are challenging to model analytically, a fact that limits the applicability of perturbation theory in redshift space as compared to real space. [...]
arXiv:2110.00006 ; YITP-21-106 ; YITP-21-10 ; CERN-TH-2021-143. - 28 p.
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