CERN Accelerating science

Preprints

Najnovije dodano:
2020-10-27
17:21
ATF report 2020 / Aryshev, Alexander (KEK, High Energy Accelerator Research Organization (Japan)) ; Bambade, Philip (Université Paris-Saclay (FR)) ; Bett, Douglas Robert (University of Oxford (GB)) ; Brunetti, Laurent (Centre National de la Recherche Scientifique (FR)) ; Burrows, Philip Nicholas (University of Oxford (GB)) ; Cilento, Vera (Université Paris-Saclay (FR)) ; Faus-Golfe, Angeles (Université Paris-Saclay (FR)) ; Karataev, Pavel (University of London (GB)) ; Korysko, Pierre (University of Oxford (GB)) ; Kiyoshi, Kubo (KEK, High Energy Accelerator Research Organization (Japan)) et al.
The KEK accelerator test faciliry (ATF) conducts R&D on a beam for the Linear Collider. [...]
CERN-ACC-2020-0029.
- 2020. - 77 p.

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2020-10-27
16:57
Combined ramp and telescopic squeeze: MD 3270 / Fartoukh, Stephane (CERN) ; Azzopardi, Gabriella (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Coello De Portugal - Martinez Vazquez, Jaime Maria ; Fuster Martinez, Nuria ; Iadarola, Giovanni (CERN) ; Karastathis, Nikos ; Kostoglou, Sofia (CERN) ; Maclean, Ewen Hamish (CERN) et al.
This paper highlights the outcome of the 2018 round ATS MD program, which aimed at demonstrating the feasibility of a combined ramp and telescopic squeeze as a potential key ingredient to operate the machine in Run 3, with much brighter and more energetic beams with respect to Run 2. [...]
CERN-ACC-2020-0028.
- 2020. - 40 p.

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2020-10-27
15:57
Status of the ESSnuSB Extraction Design / Alekou, Androula (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Efthymiopoulos, Ilias (CERN)
In the European Spallation Source (ESS) neutrino Super Beam (ESSnuSB), a very intense neutrino beam will be produced in order to measure with a high precision the CP violating angle at the 2nd oscillation maximum. [...]
CERN-ACC-2020-0027.
- 2020. - 7 p.

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2020-10-27
11:20
Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb$^{-1}$ of $\sqrt{s}$ =13 TeV $pp$ collision data with the ATLAS detector
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. [...]
CERN-EP-2020-166.
- 2020.
Fulltext - Previous draft version

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2020-10-27
07:42
Angular analysis of the decay $\mathrm{B^{+}}\to {\mathrm{K}^{*}(892)^{+}} \mu^{+} \mu^{-}$ in proton-proton collisions at $\sqrt{s} = $ 8 TeV
Angular distributions of the decay $\mathrm{B^{+}}\to {\mathrm{K}^{*}(892)^{+}} \mu^{+} \mu^{-}$ are studied using events collected with the CMS detector in $\sqrt{s} = $ 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb$^{-1}$. [...]
CERN-EP-2020-188 ; CMS-BPH-15-009-003.
- 2020.
Additional information for the analysis - CMS AuthorList - Fulltext

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2020-10-27
04:46
Data Augmentation at the LHC through Analysis-specific Fast Simulation with Deep Learning / Chen, Cheng (Peking U.) ; Cerri, Olmo (Caltech) ; Nguyen, Thong Q. (Caltech) ; Vlimant, Jean-Roch (Caltech) ; Pierini, Maurizio (CERN)
We present a fast simulation application based on a Deep Neural Network, designed to create large analysis-specific datasets. [...]
arXiv:2010.01835.
- 15 p.

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2020-10-27
04:46
Statistical combination of searches for the $\rm{X^{\pm}(5568)}$ state decaying into $\rm{B^0_s \pi^\pm}$ / Iengo, P. (CERN)
A statistical combination of the search results for the narrow $\rm{X^{\pm}(5568)}$ resonance decaying into $\rm{B_s^0 \pi^+}$ is reported, based on published results from the ATLAS, CMS, CDF and LHCb Collaborations. [...]
arXiv:2010.00676.
- 4 p.

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2020-10-27
04:46
Heavy-flavor hadro-production with heavy-quark masses renormalized in the ${\overline{\rm MS}}$, MSR and on-shell schemes / Garzelli, M.V. (Hamburg U., Inst. Theor. Phys. II) ; Kemmler, L. (Hamburg U., Inst. Theor. Phys. II) ; Moch, S. (Hamburg U., Inst. Theor. Phys. II ; MTA-DE, Debrecen) ; Zenaiev, O. (CERN)
We present predictions for heavy-quark production at the Large Hadron Collider making use of the \msbar and MSR renormalization schemes for the heavy-quark mass as alternatives to the widely used on-shell renormalization scheme. [...]
arXiv:2009.07763 ; DESY-20-151.
- 47 p.

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2020-10-26
16:49
Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at $\sqrt{s}=13$TeV with the ATLAS detector
A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. [...]
CERN-EP-2020-179.
- 2020.
Fulltext - Previous draft version

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2020-10-26
10:26
LEP injector linacs 1989 / Madsen, J H B
CERN-PS-89-56-LP.
- 1989. - 60 p.
Full text

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