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2020-07-14
12:16
Observation of enhanced double parton scattering in proton-lead collisions at $\sqrt{s_\mathrm{NN}}=8.16$ TeV
A study of prompt charm-hadron pair production in proton-lead collisions at $\sqrt{s_\mathrm{NN}}= 8.16$ TeV is performed using data corresponding to an integrated luminosity of about 30 nb${}^{-1}$, collected with the LHCb experiment. [...]
CERN-EP-2020-119 ; LHCB-PAPER-2020-010. - 2020.
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2020-07-14
12:00
Technical Note N°92 : Calculation of Eddy curent effects in the vacuum chambers of the BOOSTER Synchrotron quadrupole and bending magnets / Asner, A
MPS-INT-MA-67-11 ; CERN-MPS-INT-MA-67-11. - 1967. - 17 p.
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2020-07-14
04:06
Unifying dark matter, dark energy and inflation with a fuzzy dark fluid / Arbey, A. ; Coupechoux, J.-F.
Scalar fields appear in many cosmological models, in particular in order to provide explanations for dark energy and inflation, but also to emulate dark matter. [...]
arXiv:2007.05376 ; CERN-TH-2020-117. - 23 p.
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2020-07-14
04:06
Integrating LHCb workflows on HPC resources: status and strategies / Stagni, Federico (CERN) ; Valassi, Andrea (CERN) ; Romanovskiy, Vladimir (NRC Kurchatov Institute)
High Performance Computing (HPC) supercomputers are expected to play an increasingly important role in HEP computing in the coming years. [...]
arXiv:2006.13603. - 9 p.
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2020-07-14
04:06
Exothermic Dark Matter for XENON1T Excess / Lee, Hyun Min (Chung-Ang U. ; CERN)
Motivated by the recent excess in the electron recoil from XENON1T experiment, we consider the possibility of exothermic dark matter, which is composed of two states with mass splitting. [...]
arXiv:2006.13183. - 16 p.

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2020-07-14
04:06
Temperature dependence of $\eta/s$ of strongly interacting matter: effects of the equation of state and the parametric form of $(\eta/s)(T)$ / Auvinen, Jussi (Belgrade, Inst. Phys.) ; Eskola, Kari J. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Huovinen, Pasi (Belgrade, Inst. Phys. ; Wroclaw U.) ; Niemi, Harri (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Paatelainen, Risto (CERN) ; Petreczky, Peter (Brookhaven)
We investigate the temperature dependence of the shear viscosity to entropy density ratio $\eta/s$ using a piecewise linear parametrization. [...]
arXiv:2006.12499. - 17 p.

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2020-07-14
04:05
Mathematical and Numerical Methods for Non-linear Beam Dynamics / Herr, Werner (CERN)
One of the most severe limitations in particle accelerators and beam transport are non-linear effects. [...]
arXiv:2006.09052. - 39 p.
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2020-07-14
04:05
Direct Vlasov solvers / Mounet, Nicolas (CERN)
In these proceedings we will describe the theory and practical steps required to build Vlasov solvers such as those commonly used to compute coherent instabilities in synchrotrons. [...]
arXiv:2006.09080. - 25 p.
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2020-07-14
04:05
Investigations into X-band dielectric disk accelerating structures for future linear accelerators / Wei, Yelong (CERN) ; Grudiev, Alexej (CERN)
Dielectric disk accelerating (DDA) structures are being studied as an alternative to conventional disk-loaded copper structures. [...]
arXiv:2006.07276. - 13 p.
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2020-07-14
04:05
Outgassing properties of vacuum materials for particle accelerators / Chiggiato, Paolo (CERN)
Gas load and pumping determine the quality of vacuum systems. [...]
arXiv:2006.07124. - 47 p.
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