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Letzte Einträge:
2020-07-08
05:08
Relativistic nuclear collisions: Establishing the non-critical baseline for fluctuation measurements / Braun-Munzinger, Peter ; Friman, Bengt ; Redlich, Krzysztof ; Rustamov, Anar ; Stachel, Johanna
We study the influence of global baryon number conservation on the non-critical baseline of net baryon cumulants in heavy-ion collisions in a given acceptance, accounting for the asymmetry between the mean-numbers of baryons and antibaryons. [...]
arXiv:2007.02463 ; CERN-TH-2020-116. -
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2020-07-08
05:07
Azimuthal angle for boson-jet production in the back-to-back limit / Chien, Yang-Ting (YITP, Stony Brook ; Stony Brook U.) ; Rahn, Rudi (Nikhef, Amsterdam ; Delta ITP, Amsterdam) ; Schrijnder van Velzen, Solange (Nikhef, Amsterdam ; Delta ITP, Amsterdam) ; Shao, Ding Yu (Stony Brook U. ; Cal State, L.A. ; UCLA, Los Angeles (main)) ; Waalewijn, Wouter J. (Nikhef, Amsterdam ; Delta ITP, Amsterdam) ; Wu, Bin (CERN)
We show for the first time that the azimuthal angle between a vector boson and a jet, when using the Winner-Take-All recombination scheme, can be predicted at high precision in the back-to-back limit in the transverse plane. [...]
arXiv:2005.12279 ; CERN-TH-2020-078 ; Nikhef 20-008. - 6 p.
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2020-07-07
04:07
Random Statistics of OPE Coefficients and Euclidean Wormholes / Belin, Alexandre (CERN) ; de Boer, Jan (Amsterdam U.)
We propose an ansatz for OPE coefficients in chaotic conformal field theories which generalizes the Eigenstate Thermalization Hypothesis and describes any OPE coefficient involving heavy operators as a random variable with a Gaussian distribution. [...]
arXiv:2006.05499 ; CERN-TH-2020-096. - 8 p.
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2020-07-07
04:07
Non-Simply-Connected Symmetries in 6D SCFTs / Dierigl, Markus (Pennsylvania U.) ; Oehlmann, Paul-Konstantin (Uppsala U.) ; Ruehle, Fabian (CERN ; Oxford U., Theor. Phys.)
Six-dimensional N=(1,0) superconformal field theories can be engineered geometrically via F-theory on elliptically-fibered Calabi-Yau 3-folds. [...]
arXiv:2005.12929 ; CERN-TH-2020-081 ; UUITP-14/20. - 62 p.
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2020-07-04
04:03
The role of boundary conditions in quantum computations of scattering observables / Briceño, Raúl A. (Jefferson Lab ; Old Dominion U.) ; Guerrero, Juan V. (Jefferson Lab ; Old Dominion U.) ; Hansen, Maxwell T. (CERN) ; Sturzu, Alexandru (New Coll. of Florida)
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; Fulltext from Publisher: 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 (CERN ; U. Groningen, VSI ; Durham U.)
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. - 46 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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