CERN Accelerating science

CERN Preprints

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2017-01-13
07:31
Test beam studies of the TRD prototype filled with different gas mixtures based on Xe, Kr, and Ar / Celebi, E (Bogazici U.) ; Brooks, T. (CERN) ; Joos, M. (CERN) ; Rembser, C. (CERN) ; Gurbuz, S (Bogazici U.) ; Cetin, S.A. (Istanbul Bilgi U.) ; Konovalov, S.P. (Lebedev Inst.) ; Tikhomirov, V.O. (Moscow Phys. Eng. Inst. ; Lebedev Inst.) ; Zhukov, K. (Lebedev Inst.) ; Fillipov, K.A. (Moscow Phys. Eng. Inst. ; Lebedev Inst.) et al.
Towards the end of LHC Run1, gas leaks were observed in some parts of the Transition Radiation Tracker (TRT) of ATLAS. [...]
arXiv:1612.02623.
- 5.
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2017-01-13
07:31
Thermodynamics of strongly interacting plasma with high accuracy / Giusti, Leonardo (CERN ; INFN, Milan Bicocca ; Milan Bicocca U. ; Geneva U., Dept. Theor. Phys.) ; Pepe, Michele (INFN, Milan Bicocca)
The equation of state of $SU(3)$ Yang-Mills theory is investigated in the framework of a moving reference frame. [...]
arXiv:1612.02337.
- 7.
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2017-01-12
11:20
Measurement of the top quark pair production cross section using dilepton events at 5.02 TeV / Gonzalez Fernandez, Juan Rodrigo (Oviedo U.) /CMS Collaboration
At hadron colliders, top quarks - the heaviest elementary particles known- are dominantly produced in pairs (ttbar), a production mechanism having been discovered more than twenty years ago at Tevatron, Fermilab. Although the ttbar process has already entered the domain of precision Physics, especially with the advent of the multi-TeV energies at the CERN Large Hadron Collider, there still remains room for dedicated experimental measurements of the top quark in the gap of energies between Tevatron and LHC. [...]
CMS-CR-2017-002.- Geneva : CERN, 2017 - 5 p. Fulltext: PDF;
In : 9th International Workshop on Top Quark Physics, Olomouc, Czech Republic, 19 - 29 Sep 2016

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2017-01-11
07:31
Measurement of the $t$-channel single top-quark and top-antiquark differential cross-sections in $pp$ collisions at $\sqrt{s} = 8~\textrm{TeV}$ with the ATLAS detector / Seema, Pienpen (Bonn U.)
In this document, differential cross-section measurements of $t$-channel single top-quark production are presented. [...]
arXiv:1701.02306.
- 5 p.
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2017-01-11
07:31
Exploring the squark flavour structure of the MSSM / De Causmaecker, Karen (Brussels U., IIHE) ; Fuks, Benjamin (Paris, LPTHE ; IUF, Paris) ; Herrmann, Björn (Annecy, LAPTH) ; Mahmoudi, Farvah (Lyon U. ; CERN) ; O'Leary, Ben (Wurzburg U.) ; Porod, Werner (Wurzburg U.) ; Sekmen, Sezen (Kyungpook Natl. U.) ; Strobbe, Nadja (Fermilab)
We present an extensive study of the MSSM parameter space allowing for general generation mixing in the squark sector. [...]
LAPTH-CONF-065-16 ; CERN-TH-2016-234 ; FERMILAB-CONF-16-500-PPD ; arXiv:1701.01700.
- 2017. - 4 p.
Full text - Preprint

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2017-01-11
07:31
Naturalness of asymptotically safe Higgs / Pelaggi, Giulio Maria (Pisa U. ; INFN, Pisa) ; Sannino, Francesco (Southern Denmark U., CP3-Origins) ; Strumia, Alessandro (Pisa U. ; INFN, Pisa ; CERN) ; Vigiani, Elena (Pisa U. ; INFN, Pisa)
We introduce a model that contains a Higgs-like scalar with gauge, Yukawa and quartic interactions that enter a perturbative asymptotically safe regime at energies above a scale $\Lambda$. [...]
CERN-TH-2017-001 ; CP3-ORIGINS-2017-001 ; IFUP-TH-2017 ; arXiv:1701.01453.
- 2017. - 16 p.
Full text - Preprint

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2017-01-11
07:31
Measurement of the top quark pair production cross section at $\sqrt{s} = 5.02$ TeV in the dilepton channel with the CMS detector / Fernández, Juan R. González (Oviedo U.)
At hadron colliders, top quarks are dominantly produced in pairs ($t\bar{t}$), a production mechanism that was discovered more than twenty years ago at the Tevatron in Fermilab. [...]
arXiv:1701.01606 ; SNSN-323-63.
- 2017. - 4 p.
Preprint - Preprint

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2017-01-11
07:31
Measurements of the charge asymmetry in top-quark pair production in the dilepton final state at $\sqrt{s}=8$ TeV with the ATLAS detector / Naranjo, Roger (DESY)
Measurements of the top--antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-${p}_{\rm{T}}$ leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of 20.3 $\textrm{fb}^{-1}$ from $pp$ collisions at a center-of-mass energy $\sqrt{s} = 8$~TeV collected with the ATLAS detector at the Large Hadron Collider at CERN. [...]
arXiv:1701.01275.
- 2017. - 5 p.
Full text - Preprint

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2017-01-11
07:30
Latest ATLAS results from Run 2 / Gemme, Claudia (INFN, Genoa)
After the first LHC long shutdown with upgrades to the machine and the detectors, since 2015 the ATLAS experiment recorded more than 30 fb-1 of integrated luminosity of pp collision data at 13 TeV centre- of-mass energy. [...]
arXiv:1612.01987.
- 9.
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2017-01-11
07:30
Pion spectra in Ar+Sc interactions at SPS energies / Lewicki, Maciej (Wroclaw U.)
This contribution discusses recent results from analysis of Ar+Sc interactions recorded with the NA61/SHINE detector at six beam momenta: 13A, 19A, 30A, 40A, 75A, 150A GeV/c at the CERN SPS. [...]
arXiv:1612.01334.
- 5.
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