CERN Accelerating science

Preprints

Ultimi arrivi:
2020-09-22
04:49
Use and reuse of SMEFT / David, André (CERN) ; Passarino, Giampiero (Turin U. ; INFN, Turin)
In this work we address three questions: can we successfully describe (observed) deviations from the standard model in the SMEFT language? Can we learn something about the underlying, beyond the standard model, physics using the SMEFT language? If no deviation is observed, how to proceed? Given the myriad of viable BSM options with extended scalar sectors, we suggest a widespread use of SMEFT not just as a global fitting tool (that could miss out on deviations from extended scalar sectors) but also as a bookkeeping framework in which the results from SMEFT fits to individual observables are provided, reported, and archived in a consistent way. [...]
arXiv:2009.00127.
- 35 p.

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2020-09-20
17:33
Measurements of production cross sections of polarized same-sign W boson pairs in association with two jets in proton-proton collisions at $\sqrt{s} = $ 13 TeV
The first measurements of production cross sections of polarized same-sign ${\mathrm{W}^\pm\mathrm{W}^\pm} $ boson pairs in proton-proton collisions are reported. [...]
CERN-EP-2020-168 ; CMS-SMP-20-006-003.
- 2020.
Additional information for the analysis - CMS AuthorList - Fulltext

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2020-09-19
04:03
Z production in pPb collisions at LHCb / Li, Hengne
This article presents results of the Z boson production in the proton-lead collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV and $\sqrt{s_{\rm NN}}= 8.16$ TeV collected in 2013 and 2016, respectively, by the LHCb detector at the LHC in forward and backward rapidity. [...]
arXiv:2009.08126.
- 5 p.
Fulltext

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2020-09-19
04:03
Jet acoplanarity via hadron+jet measurements in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with ALICE / Norman, Jaime
We present the first fully-corrected semi-inclusive distribution of charged jets recoiling from a trigger hadron in 0-10% Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV as a function of the azimuthal angle between the trigger hadron and jet, $\Delta\varphi$. [...]
arXiv:2009.08261.
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2020-09-19
04:02
Machine learning for beam dynamics studies at the CERN Large Hadron Collider / Arpaia, P. (Naples U.) ; Azzopardi, G. (CERN) ; Blanc, F. (Ecole Polytechnique, Lausanne) ; Bregliozzi, G. (CERN) ; Buffat, X. (CERN) ; Coyle, L. (Ecole Polytechnique, Lausanne ; CERN) ; Fol, E. (Frankfurt U. ; CERN) ; Giordano, F. (Naples U. ; CERN) ; Giovannozzi, M. (CERN) ; Pieloni, T. (Ecole Polytechnique, Lausanne ; CERN) et al.
Machine learning entails a broad range of techniques that have been widely used in Science and Engineering since decades. [...]
arXiv:2009.08109.
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2020-09-19
04:02
Overview of online and offline reconstruction in ALICE for LHC Run 3 / Rohr, David
In LHC Run 3, ALICE will increase the data taking rate significantly to 50 kHz continuous readout of minimum bias Pb--Pb collisions. [...]
arXiv:2009.07515.
- 8 p.
Fulltext

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2020-09-19
04:02
Treatment of flux shape uncertainties in unfolded, flux-averaged neutrino cross-section measurements / Koch, Lukas (Oxford U.) ; Dolan, Stephen (CERN)
The exact way of treating flux shape uncertainties in unfolded, flux-averaged neutrino cross-section measurements can lead to subtle issues when comparing the results to model predictions. [...]
arXiv:2009.00552.
- 11 p.
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2020-09-19
04:02
On the W&Y interpretation of high-energy Drell-Yan measurements / Ricci, Lorenzo (EPFL, Lausanne, LPTP) ; Torre, Riccardo (INFN, Genoa ; CERN) ; Wulzer, Andrea (EPFL, Lausanne, LPTP ; CERN ; U. Padua, Dept. Phys. Astron.)
High-energy neutral and charged Drell--Yan differential cross-section measurements are powerful probes of quark-lepton contact interactions that produce growing-with-energy effects. [...]
arXiv:2008.12978.
- 31 p.
Fulltext

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2020-09-17
15:51
Experiment with 3.5 GeV/c $K^{-}$ mesons in hydrogenA proposal for experiments with the 81 cm Saclay Hydrogen Bubble Chamber in the M2 beam by the Oxford University Analysis Group
1962. - 14 p.

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2020-09-17
15:46
Secondary beam layouts, a programme in the Fortran language (Programme 016701) / Madsen, JHB
MPS/CO.
- 1963. - 5 p.

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