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2020-07-04
04:03
The role of boundary conditions in quantum computations of scattering observables / Briceño, Raúl A. ; Guerrero, Juan V. ; Hansen, Maxwell T. ; Sturzu, Alexandru
Quantum computing may offer the opportunity to simulate strongly-interacting field theories, such as quantum chromodynamics, with physical time evolution. [...]
arXiv:2007.01155 ; JLAB-THY-20-3210 ; CERN-TH-2020-112. - 18 p.
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2020-07-04
04:03
Stellar Signatures of Inhomogeneous Big Bang Nucleosynthesis / Arbey, Alexandre (IP2I, Lyon ; CERN ; IUF, Paris) ; Auffinger, Jérémy (IP2I, Lyon) ; Silk, Joseph (Paris, Inst. Astrophys. ; Johns Hopkins U. ; Oxford U.)
We evaluate abundance anomalies generated in patches of the universe where the baryon-to-photon ratio was locally enhanced by possibly many orders of magnitude in the range $\eta = 10^{-10} - 10^{-1}$. Our study is motivated by the possible survival of rare dense regions in the early universe, the most extreme of which, above a critical threshold, collapsed to form primordial black holes. [...]
arXiv:2006.02446; CERN-TH-2020-067.- 2020-07-01 - 9 p. - Published in : Phys. Rev. D 102 (2020) 023503 Fulltext: PDF;

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2020-07-03
04:05
Machine Learning and Algebraic Approaches towards Complete Matter Spectra in 4d F-theory / Bies, Martin ; Cvetic, Mirjam ; Donagi, Ron ; Lin, Ling ; Liu, Muyang ; Ruehle, Fabian
Motivated by engineering vector-like (Higgs) pairs in the spectrum of 4d F-theory compactifications, we combine machine learning and algebraic geometry techniques to analyze line bundle cohomologies on families of holomorphic curves. [...]
arXiv:2007.00009 ; UPR-1305-T ; CERN-TH-2020-111. - 42 p.
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2020-07-03
04:05
Lectures on chiral algebras of $\mathcal{N} \geqslant 2$ superconformal field theories / Lemos, Madalena
Any four-dimensional $\mathcal{N} \geqslant 2$ superconformal field theory possess a protected subsector isomorphic to a two-dimensional chiral algebra \cite{Beem:2013sza}. [...]
arXiv:2006.13892 ; CERN-TH-2020-098. - 36 p.
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2020-07-02
05:11
The Fermionic Universal One-Loop Effective Action / Ellis, Sebastian A.R. ; Quevillon, Jérémie ; Vuong, Pham Ngoc Hoa ; You, Tevong ; Zhang, Zhengkang
Recent development of path integral matching techniques based on the covariant derivative expansion has made manifest a universal structure of one-loop effective Lagrangians. [...]
arXiv:2006.16260 ; CERN-TH-2020-104 ; CALT-TH-2020-027. - 27 p.
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2020-07-02
05:11
A non-linear EFT description of $gg\to HH$ at NLO interfaced to POWHEG / Heinrich, G. ; Jones, S.P. ; Kerner, M. ; Scyboz, L.
We present the implementation of Higgs boson pair production in gluon fusion within a non-linear Effective Field Theory framework containing five anomalous couplings for this process. [...]
arXiv:2006.16877 ; CERN-TH-2020-106 ; KA-TP-04-2020 ; OUTP-20-06P ; P3H-20-026, ZU-TH-21/20. - 20 p.
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2020-07-02
05:11
NLO QCD+EW predictions for $tHj$ and $tZj$ production at the LHC / Pagani, Davide ; Tsinikos, Ioannis ; Vryonidou, Eleni
In this work we calculate the cross sections for the hadroproduction of a single top quark or antiquark in association with a Higgs ($tHj$) or $Z$ boson ($tZj$) at NLO QCD+EW accuracy. [...]
arXiv:2006.10086 ; DESY-20-101 ; LU-TP 20-33 ; CERN-TH-2020-090. - 29 p.
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2020-07-02
05:11
Spontaneous Baryogenesis from Axions with Generic Couplings / Domcke, Valerie (DESY ; CERN ; EPFL, Lausanne, LPPC) ; Ema, Yohei (DESY) ; Mukaida, Kyohei (DESY) ; Yamada, Masaki (Tohoku U. (main) ; Tohoku U.)
Axion-like particles can source the baryon asymmetry of our Universe through spontaneous baryogenesis. [...]
arXiv:2006.03148 ; DESY-20-100 ; CERN-TH-2020-088 ; TU-1102. - 48 p.
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2020-07-01
04:19
Split SIMPs with Decays / Katz, Andrey ; Salvioni, Ennio ; Shakya, Bibhushan
We discuss a minimal realization of the strongly interacting massive particle (SIMP) framework. [...]
arXiv:2006.15148 ; CERN-TH-2020-107. - 29 p.
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2020-07-01
04:19
Hadronic light-by-light contribution to $(g-2)_\mu$ from lattice QCD with SU(3) flavor symmetry / Chao, En-Hung ; Gérardin, Antoine ; Green, Jeremy R. ; Hudspith, Renwick J. ; Meyer, Harvey B.
We perform a lattice QCD calculation of the hadronic light-by-light contribution to $(g-2)_\mu$ at the SU(3) flavor-symmetric point $m_\pi=m_K\simeq 420\,$MeV. [...]
arXiv:2006.16224 ; MITP/20-036 ; CERN-TH-2020-109. - 39 p.
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