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2020-08-01
05:54
Updated predictions for gravitational waves produced in a strongly supercooled phase transition / Ellis, John ; Lewicki, Marek ; Vaskonen, Ville
We update predictions for the gravitational wave (GW) signal from a strongly supercooled phase transition in an illustrative classically conformal U(1)$_{B-L}$ model. [...]
arXiv:2007.15586 ; KCL-PH-TH/2020-40 ; CERN-TH-2020-129. - 22 p.
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2020-08-01
05:54
The Neutrino Magnetic Moment Portal: Cosmology, Astrophysics, and Direct Detection / Brdar, Vedran ; Greljo, Admir ; Kopp, Joachim ; Opferkuch, Toby
We revisit the physics of neutrino magnetic moments, focusing in particular on the case where the right-handed, or sterile, neutrinos are heavier (up to several MeV) than the left-handed Standard Model neutrinos. [...]
arXiv:2007.15563 ; CERN-TH-2020-130 ; MITP/20-041. - 18 p.
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2020-08-01
05:54
A Quantum Graph Neural Network Approach to Particle Track Reconstruction / Tüysüz, Cenk (Middle East Tech. U., Ankara) ; Carminati, Federico (CERN) ; Demirköz, Bilge (Middle East Tech. U., Ankara) ; Dobos, Daniel (Lancaster U.) ; Fracas, Fabio (CERN ; Padua U.) ; Novotny, Kristiane ; Potamianos, Karolos (DESY) ; Vallecorsa, Sofia (CERN) ; Vlimant, Jean-Roch (Caltech)
Unprecedented increase of complexity and scale of data is expected in computation necessary for the tracking detectors of the High Luminosity Large Hadron Collider (HL-LHC) experiments. [...]
arXiv:2007.06868. - 6 p.
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2020-08-01
05:54
Dark Nucleosynthesis: Cross-sections and Astrophysical Signals / Mahbubani, Rakhi (Hertfordshire U. ; CERN) ; Redi, Michele (INFN, Florence ; Florence U.) ; Tesi, Andrea (INFN, Florence ; Florence U.)
We investigate dark matter bound-state formation and its implication for indirect-detection experiments. [...]
arXiv:2007.07231. - 30 p.
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2020-08-01
05:54
Tree-level splitting amplitudes for a gluon into four collinear partons / Del Duca, Vittorio (Zurich, ETH) ; Duhr, Claude (CERN) ; Haindl, Rayan (Zurich, ETH) ; Lazopoulos, Achilleas (Zurich, ETH) ; Michel, Martin (Louvain U., CP3)
We compute in conventional dimensional regularisation the tree-level splitting amplitudes for a gluon parent which splits into four collinear partons. [...]
arXiv:2007.05345. - 31 p.
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2020-07-31
07:29
Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV / D0 Collaboration
We present various properties of the production of the $X(3872)$ and $\psi(2S)$ states based on 10.4 fb$^{-1}$ collected by D0 experiment in Tevatron $p \bar p$ collisions at $\sqrt{s}$ = 1.96 TeV. [...]
arXiv:2007.13420 ; FERMILAB-PUB-20-363-E. - 14 p.
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2020-07-31
07:29
Top quark pair production in the exclusive processes at LHC / Gonçalves, Victor P. (Pelotas U.) ; Martins, Daniel E. (Rio de Janeiro Federal U.) ; Rangel, Murilo S. (Rio de Janeiro Federal U.) ; Tasevsky, Marek (Prague, Inst. Phys.)
We analyze the LHC prospects for measurements of the $t\bar{t}$ pair produced exclusively in photon-photon or semi-exclusively in photon-Pomeron and Pomeron-Pomeron processes using protons tagged in forward proton detectors on both sides of the interaction point. [...]
arXiv:2007.04565. - 17 p.
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2020-07-31
06:58
DRAD results obtained during irradiation campaigns / Jara Casas, Luis Miguel (CERN) /RD53 Collaboration
The DRAD chip was designed with the aim of studying the impact of high radiation levels on digital electronics in 65nm CMOS technology, A description of the chip and a summary of the results obtained in the testing is shown in this document. Results cover campaigns after irradiation up to total ionizing doses of 200 Mrad and 500 Mrad at different temperatures. [...]
CERN-RD53-PUB-20-001.- Geneva : CERN, 2020 - 210. DRAD chip test results report: PDF; Results of the LPGBT test structure, 200Mrad -20C:: PDF; Results of the LPGBT test structure, 200Mrad room temperature: PDF; Results of the LPGBT test structure, 500Mrad room temperature: PDF;

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2020-07-30
05:08
Predicting parton energy loss in small collision systems / Huss, Alexander ; Kurkela, Aleksi ; Mazeliauskas, Aleksas ; Paatelainen, Risto ; van der Schee, Wilke ; Wiedemann, Urs Achim
Medium induced parton energy loss is not conclusively established neither in very peripheral heavy-ion collisions nor in proton-ion collisions. [...]
arXiv:2007.13758 ; CERN-TH-2020-127. - 19 p.
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2020-07-30
05:08
Discovering partonic rescattering in light nucleus collisions / Huss, Alexander ; Kurkela, Aleksi ; Mazeliauskas, Aleksas ; Paatelainen, Risto ; van der Schee, Wilke ; Wiedemann, Urs Achim
We demonstrate that oxygen-oxygen (OO) collisions at the LHC provide unprecedented sensitivity to parton energy loss in a system whose size is comparable to those created in very peripheral heavy-ion collisions [...]
arXiv:2007.13754 ; CERN-TH-2020-126. - 8 p.
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