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2018-12-15
05:01
Reducing parasitic resonances in particle accelerators components by broadband Higher-Order-Mode couplers / Arpaia, P. (Naples U.) ; Berrig, Olav E. (CERN) ; De Vito, Luca (Sannio U.) ; Gilardi, Antonio (Naples U. ; CERN)
In particle accelerator components, parasitic resonances must be reduced because they heat up the equipment and cause beam instabilities. [...]
arXiv:1811.08154. - 24 p.
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2018-12-14
22:11
Observation of single top quark production in association with a Z boson in proton-proton collisions at $\sqrt{s} = $ 13 TeV
The observation of single top quark production in association with a Z boson and a quark ($\mathrm{t Z q} $ ) is reported. [...]
CERN-EP-2018-328 ; CMS-TOP-18-008-003. - 2018.
Additional information for the analysis - CMS AuthorList - Fulltext

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2018-12-14
09:38
Design, Construction and Commissioning of the Upgrade Radiation Damage Monitoring System of the CMS Hadron Forward Calorimeters / Onel, Yasar (Iowa U.) /CMS Collaboration
The CMS Hadron Forward Calorimeters cover pseudorapidities between 3.0 and 5.0 being exposed to the highest radiation levels in the CMS detector system. The calorimeter consists of quartz fibers as active media inserted into the steel absorber structure. [...]
CMS-CR-2018-413.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018

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2018-12-14
09:38
Radioactive Source Calibration of the CMS Hadron Endcap Calorimeters with Phase I Upgrade Electronics / Bilki, Burak (Iowa U.) /CMS Collaboration
The Phase I Upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors and front-end electronics. The upgrade was installed successfully during the Year End Technical Stop of 2017-2018. [...]
CMS-CR-2018-412.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018

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2018-12-14
09:37
Exotics at the LHC / Del Re, Daniele (INFN, Rome ; Rome U.) /ATLAS, CMS and LHCB Collaborations
LHC has worked beautifully and provided more than 100 fb$^{-1}$ at 13 TeV. Thanks to this enormous statistics of p-p collisions, LHC experiments have been able to explore several different new physics scenarios. [...]
CMS-CR-2018-392.- Geneva : CERN, 2018 - 11 p. Fulltext: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Kor, 4 - 11 Jul 2018

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2018-12-14
09:37
Top pair production measurements, inclusive and differential / Fernandez Menendez, Javier (Oviedo U.) /ATLAS, CMS and LHCB Collaborations
Recent results and state-of-the-art on top-quark pair production cross sections in both inclusive and differential measurements are presented, obtained using data collected with the ATLAS, CMS and LHCb experiments during the LHC Run1 and Run2 periods up to the year 2016 at centre-of-mass energies ranging from 5.02 to 13TeV. Results are confronted against Standard Model (SM) next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) predictions, several Monte Carlo (MC) generators and tunes, and parton density function variations, with a special focus on the latest Run2 results..
CMS-CR-2018-126.- Geneva : CERN, 2018 - 9 p. Fulltext: PDF;
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018

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2018-12-14
09:37
Top quark properties / Van Mulders, Petra Karel Ann (Vrije U., Brussels) /ATLAS and CMS Collaborations
The multi-purpose experiments at CERN's Large Hadron Collider have a very rich programme in top quark physics. The large amount of data allows for measuring the top quark properties with an unprecedented precision. [...]
CMS-CR-2018-284.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : 11th International Workshop on Top Quark Physics, Bad Neuenahr, Germany, 16 - 21 Sep 2018

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2018-12-14
04:16
Torus partition function of the six-vertex model from algebraic geometry / Lykke Jacobsen, Jesper (Ecole Normale Superieure ; IPhT, Saclay) ; Jiang, Yunfeng (Zurich, ETH ; CERN) ; Zhang, Yang (Zurich, ETH ; Munich, Max Planck Inst. ; U. Mainz, PRISMA)
We develop an efficient method to compute the torus partition function of the six-vertex model exactly for finite lattice size. [...]
arXiv:1812.00447 ; MPP-2018-291. - 58 p.
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2018-12-13
14:05
Report on the Physics at the HL-LHC and Perspectives for the HE-LHC / The ATLAS and CMS Collaborations
Manuscript of volume 2 of the Yellow Report on the "Workshop on the Physics of HL-LHC and perspectives at HE-LHC" containing the notes produced by the ATLAS and CMS collaborations as input to the Yellow Report volume 1..
CERN-LPCC-2018-08. - 2018. - 200 p.

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2018-12-13
12:20
Tuning of the CLIC 380 GeV Final-Focus System with Static Imperfections / Ogren, Jim Alexander (CERN) ; Latina, Andrea (CERN) ; Tomas Garcia, Rogelio (CERN) ; Schulte, Daniel (CERN)
The final-focus system demagnifies the beams down to nanometer sizes in order to achieve the nominal luminosity. [...]
CERN-ACC-2018-0055 ; CLIC-Note-1141. - 2018. - 17 p.
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