CERN Accelerating science

CERN Preprints

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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. [...]
CERN-TH-2020-104 ; CALT-TH-2020-027 ; arXiv:2006.16260.
- 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
Nanostructure Accelerators: Novel concept and path to its realization / Sahai, A. (Colorado U., Denver) ; Golkowski, M. (Colorado U., Denver) ; Zimmermann, F. (CERN) ; Resta-Lopez, J. (Liverpool U.) ; Tajima, T. (UC, Irvine) ; Shiltsev, V. (Fermilab)
TeV/m acceleration gradients using crystals as originally envisioned by R. [...]
arXiv:2006.10261 ; FERMILAB-CONF-20-262-AD.
- 4 p.
FERMILABCONF - Fulltext - Fulltext

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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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2020-07-02
05:11
Deep learning for Directional Dark Matter search / Golovatiuk, Artem (U. Naples (main) ; INFN, Naples) ; De Lellis, Giovanni (U. Naples (main) ; INFN, Naples ; CERN) ; Ustyuzhanin, Andrey (Higher Sch. of Economics, Moscow ; Natl. U. Sci. Tech., Moscow)
We provide an algorithm for detection of possible dark matter particle interactions recorded within NEWSdm detector. [...]
arXiv:2005.13042.
- 5 p.
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2020-07-01
16:57
Observation of structure in the $J/\psi$-pair mass spectrum / LHCb Collaboration
Using proton-proton collision data at centre-of-mass energies of $\sqrt{s} = 7$, $8$ and $13\mathrm{\,TeV}$ recorded by the LHCb experiment at the Large Hadron Collider, corresponding to an integrated luminosity of $9\mathrm{\,fb}^{-1}$, the invariant mass spectrum of $J/\psi$ pairs is studied. [...]
arXiv:2006.16957 ; CERN-EP-2020-115 ; LHCb-PAPER-2020-011 ; LHCB-PAPER-2020-011.
- 2020.
Fulltext - Previous draft version - Related data file(s) - Fulltext

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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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2020-07-01
04:19
Recent results on $B \to \mu^+ \mu^-$ decays with the CMS experiment / Langenegger, Urs
Results on $B \to \mu^+ \mu^-$ decays with the CMS experiment are reported, using 61 fb$^{-1}$ of data recorded during LHC Run 1 and 2016. [...]
arXiv:2006.14849 ; CMS CR-2020/115.
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