CERN Accelerating science

CERN Document Server 68 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.73 secondi. 
1.
Strategies and performance of the CMS silicon tracker alignment during LHC Run 2 / CMS Collaboration
The strategies for and the performance of the CMS silicon tracking system alignment during the 2015-2018 data-taking period of the LHC are described. The alignment procedures during and after data taking are explained. [...]
arXiv:2111.08757; CMS-TRK-20-001; CERN-EP-2021-203; CMS-TRK-20-001-003.- Geneva : CERN, 2022-08-11 - 45 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1037 (2022) 166795 Fulltext: fermilab-pub-21-673-cms - PDF; Publication - PDF; 2111.08757 - PDF; CMS-TRK-20-001-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
2.
Precision measurement of the structure of the CMS inner tracking system using nuclear interactions / CMS Collaboration
The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the LHC are used to reconstruct millions of secondary vertices from these nuclear interactions. [...]
arXiv:1807.03289; CMS-TRK-17-001; CERN-EP-2018-144; CMS-TRK-17-001-003.- Geneva : CERN, 2018-10-29 - 41 p. - Published in : JINST 13 (2018) P10034 Fulltext: 1807.03289 - PDF; fulltext1682069 - PDF; Fulltext from Publisher: PDF; External link: Figures, tables and other information
3.
W and Z boson production in p–Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV / ALICE collaboration
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward ($-4.46 < y_{\rm cms} < 2.96$) and forward ($2.03 < y_{\rm cms} < 3.53$) rapidity regions, corresponding to Pb-going and p-going directions, respectively. [...]
arXiv:1611.03002; CERN-EP-2016-278; CERN-EP-2016-278.- Geneva : CERN, 2017-02-15 - 23 p. - Published in : JHEP 02 (2017) 077 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; Springer Open Access article: PDF;
4.
Determination of the event collision time with the ALICE detector at the LHC / ALICE Collaboration
Particle identification is an important feature of the ALICE detector at the LHC. In particular, for particle identification via the time-of-flight technique, the precise determination of the event collision time represents an important ingredient of the quality of the measurement. [...]
arXiv:1610.03055; CERN-EP-2016-253; CERN-EP-2016-253.- Geneva : CERN, 2017-02-24 - 20 p. - Published in : Eur. Phys. J. Plus 132 (2017) 99 Fulltext: PDF; Springer: PDF; Springer Open Access article: PDF; External link: Preprint
5.
Measurement of the production of high-$p_{\rm T}$ electrons from heavy-flavour hadron decays in Pb-Pb collisions at $\mathbf{\sqrt{\it s_{\rm{NN}}}}$ = 2.76 TeV / ALICE Collaboration
Electrons from heavy-flavour hadron decays (charm and beauty) were measured with the ALICE detector in Pb–Pb collisions at a centre-of-mass of energy $\sqrt{s_{\rm NN}}=2.76$ TeV. The transverse momentum ($p_{\rm T}$) differential production yields at mid-rapidity were used to calculate the nuclear modification factor $R_{\rm AA}$ in the interval $3<p_{\rm T}<18$ GeV/$c$. [...]
arXiv:1609.07104; CERN-EP-2016-235.- Geneva : CERN, 2017-05-29 - 15 p. - Published in : Phys. Lett. B 771 (2017) 467-481 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; External link: Preprint
6.
Anomalous evolution of the near-side jet peak shape in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV / ALICE Collaboration
The measurement of two-particle angular correlations is a powerful tool to study jet quenching in a $p_{\mathrm{T}}$ region inaccessible by direct jet identification. In these measurements pseudorapidity ($\Delta\eta$) and azimuthal differences ($\Delta\varphi$) are used to extract the shape of the near-side peak formed by particles associated to a higher $p_{\mathrm{T}}$ trigger particle ($1 < p_{\mathrm{T, trig}} <$ 8 GeV/c). [...]
arXiv:1609.06643; CERN-EP-2016-229; CERN-EP-2016-229.- Geneva : CERN, 2017-09-08 - 13 p. - Published in : Phys. Rev. Lett. 119 (2017) 102301 Draft (restricted): PDF; Fulltext: 10.1103_PhysRevLett.119.102301 - PDF; arXiv:1609.06643 - PDF; External link: Preprint
7.
Evolution of the longitudinal and azimuthal structure of the near-side peak in Pb–Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV / ALICE Collaboration
In two-particle angular correlation measurements, jets give rise to a near-side peak, formed by particles associated to a higher $p_{\mathrm{T}}$ trigger particle. Measurements of these correlations as a function of pseudorapidity ($\Delta\eta$) and azimuthal differences ($\Delta\varphi$) are used to extract the centrality and $p_{\mathrm{T}}$ dependence of the shape of the near-side peak in the $p_{\mathrm{T}}$ range $1 < p_{\mathrm{T}} <$ 8 GeV/c in Pb--Pb and pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV. [...]
arXiv:1609.06667; CERN-EP-2016-228; CERN-EP-2016-228.- Geneva : CERN, 2017-09-08 - 18 p. - Published in : Phys. Rev. C 96 (2017) 034904 Draft (restricted): PDF; Fulltext: PDF; External link: Preprint
8.
Measurement of electrons from beauty-hadron decays in p-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV and Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV / ALICE Collaboration
The production of beauty hadrons was measured via semi-leptonic decays at mid-rapidity with the ALICE detector at the LHC in the transverse momentum interval $1<p_{\rm T}<8$ GeV/$c$ in minimum-bias p–Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV and in $1.3<p_{\rm T}<8$ GeV/$c$ in the 20% most central Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV. The pp reference spectra at $\sqrt{s}=5.02$ TeV and $\sqrt{s}=2.76$ TeV, needed for the calculation of the nuclear modification factors $R_{\rm pA}$ and $R_{\rm AA}$, were obtained by a pQCD-driven scaling of the cross section of electrons from beauty-hadron decays measured at $\sqrt{s}=7$ TeV. [...]
arXiv:1609.03898; CERN-EP-2016-222; CERN-EP-2016-222.- Geneva : CERN, 2017-07-11 - 34 p. - Published in : JHEP 07 (2017) 052 Draft (restricted): PDF; Fulltext: PDF; External link: Preprint
9.
Jet-like correlations with neutral pion triggers in pp and central Pb-Pb collisions at 2.76 TeV / ALICE Collaboration
We present measurements of two-particle correlations with neutral pion trigger particles of transverse momenta $8 < p_{\mathrm{T}}^{\rm trig} < 16~\mathrm{GeV}/c$ and associated charged particles of $0.5 < p_{\mathrm{T}}^{\rm assoc} < 10~\mathrm{GeV}/c$ versus the azimuthal angle difference $\Delta\varphi$ at midrapidity in pp and central Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with ALICE. The new measurements exploit associated charged hadrons down to $0.5~\mathrm{GeV}/c$, which significantly extends our previous measurement that only used charged hadrons above $3~\mathrm{GeV}/c$. [...]
arXiv:1608.07201; CERN-EP-2016-195; CERN-EP-2016-195.- Geneva : CERN, 2016-12-10 - 13 p. - Published in : Phys. Lett. B 763 (2016) 238-250 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; External link: Preprint
10.
Enhanced production of multi-strange hadrons in high-multiplicity proton–proton collisions / ALICE Collaboration
At sufficiently high temperature and energy density, nuclear matter undergoes a transition to a phase in which quarks and gluons are not confined: the quark–gluon plasma (QGP). Such an exotic state of strongly interacting quantum chromodynamics matter is produced in the laboratory in heavy nuclei high-energy collisions, where an enhanced production of strange hadrons is observed. [...]
arXiv:1606.07424; CERN-EP-2016-153.- Geneva : CERN, 2017-04-24 - 17 p. - Published in : Nature Phys. 13 (2017) 535-539 Fulltext: nphys4111 - PDF; arXiv:1606.07424 - PDF; Fulltext from Publisher: PDF; External links: Interactions.org article; Symmetry Magazine article; Rivet analyses reference

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