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Derniers ajouts:
2019-11-22
04:04
Physics to plan AWAKE Run 2 / Muggli, Patric
We briefly describe the basic physics principles considered for planning of the AWAKE Run 2 experiment. [...]
arXiv:1911.07534.
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2019-11-22
04:04
Review and new concepts for neutron-capture measurements of astrophysical interest / n_TOF Collaboration
The idea of slow-neutron capture nucleosynthesis formulated in 1957 triggered a tremendous experimental effort in different laboratories worldwide to measure the relevant nuclear physics input quantities, namely ($n,\gamma$) cross sections over the stellar temperature range (from few eV up to several hundred keV) for most of the isotopes involved from Fe up to Bi. [...]
arXiv:1911.06972.
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2019-11-22
04:03
Bayesian Optimization for machine learning algorithms in the context of Higgs searches at the CMS experiment / Kiss, Oriel (Zurich, ETH)
Machine Learning algorithms, such as Boosted Decisions Trees and Deep Neural Network, are widely used in High-Energy-Physics. [...]
arXiv:1911.02501.
- 34 p.
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2019-11-22
04:03
Towards Fast Displaced Vertex Finding / Albertsson, Kim (CERN ; Lulea U.) ; Meloni, Federico (DESY)
Many Standard Model extensions predict metastable massive particles that can be detected by looking for displaced decay vertices in the inner detector volume. [...]
arXiv:1910.10508 ; PROC-CTD19-014.
- 4 p.
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2019-11-22
04:03
New evidence supporting the existence of the hypothetic X17 particle / Krasznahorkay, A.J. (KLTE-ATOMKI) ; Csatlós, M. (KLTE-ATOMKI) ; Csige, L. (KLTE-ATOMKI) ; Gulyás, J. (KLTE-ATOMKI) ; Koszta, M. (KLTE-ATOMKI) ; Szihalmi, B. (KLTE-ATOMKI) ; Timár, J. (KLTE-ATOMKI) ; Firak, D.S. (Debrecen U.) ; Nagy, Á (Debrecen U.) ; Sas, N.J. (Debrecen U.) et al.
We observed electron-positron pairs from the electro-magnetically forbidden M0 transition depopulating the 21.01 MeV 0$^-$ state in $^4$He. [...]
arXiv:1910.10459.
- 5 p.
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2019-11-21
13:46
Precision measurement of the $\Xi_{cc}^{++}$ mass / LHCb Collaboration
A measurement of the $\Xi_{cc}^{++}$ mass is performed using data collected by the LHCb experiment between 2016 and 2018 in $pp$ collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6 $\mathrm{fb}^{-1}$. [...]
arXiv:1911.08594 ; LHCb-PAPER-2019-037 ; CERN-EP-2019-258 ; LHCB-PAPER-2019-037.
- 2019. - 18 p, 18 p.
Fulltext - Related data file(s) - Supplementary Information - Fulltext

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2019-11-21
10:38
Detector performance and stability of the CMS RPC system during Run-2 / Hadjiiska, Roumyana Mileva (Sofiya, Inst. Nucl. Res.) /CMS Collaboration
The CMS (Compact Muon Solenoid) experiment, at the Large Hadron Collider (LHC) at CERN explores three different gaseous detector technologies in order to measure and trigger muons: CSC (Cathode Strip Chambers) in the forward regions, DT (Drift Tubes) in the central region, and RPC (Resistive Plate Chambers) both in the central and forward regions. The CMS RPC system provides information to all muon track finders and thus ensures the robustness and redundancy to the first level of muon triggering. [...]
CMS-CR-2019-252.- Geneva : CERN, 2019 - 8 p. Fulltext: PDF;
In : 27th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 30 Sep - 4 Oct 2019

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2019-11-21
04:03
Wide angle effects for peculiar velocities / Castorina, Emanuele ; White, Martin
The line-of-sight peculiar velocities of galaxies contribute to their observed redshifts, breaking the translational invariance of galaxy clustering down to a rotational invariance around the observer. [...]
arXiv:1911.08353 ; CERN-TH-2019-191.
- 13 p.
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2019-11-21
04:03
Strong integrability of $\lambda$-deformed models / Georgiou, George ; Sfetsos, Konstantinos ; Siampos, Konstantinos
We study the notion of strong integrability for classically integrable $\lambda$-deformed CFTs and coset CFTs. [...]
arXiv:1911.07859 ; CERN-TH-2019-186.
- 22 p.
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2019-11-21
04:03
Light quark masses in N_f = 2+1 lattice QCD with Wilson fermions / Bruno, Mattia (CERN) ; Campos, Isabel (Cantabria Inst. of Phys.) ; Fritzsch, Patrick (CERN) ; Koponen, Jonna (KEK, Tsukuba) ; Pena, Carlos (Madrid, Autonoma U. ; Madrid, IFT) ; Preti, David (INFN, Turin) ; Ramos, Alberto (Trinity Coll., Dublin) ; Vladikas, Anastassios (INFN, Rome2)
We present a lattice QCD determination of light quark masses with three sea-quark flavours ($N_f = 2+1$). [...]
arXiv:1911.08025 ; CERN-TH-2019-174 ; IFT-UAM/CSIC-19-151 ; KEK-CP-372.
- 27 p.
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