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1.
Operation and performance of the ATLAS tile calorimeter in LHC Run 2 / ATLAS Collaboration
The ATLAS tile calorimeter (TileCal) is the hadronic sampling calorimeter covering the central region of the ATLAS detector at the Large Hadron Collider (LHC). [...]
arXiv:2401.16034 ; CERN-EP-2023-266.
- 2024 - 77.
Fulltext - Previous draft version - Fulltext
2.
Laser calibration of the ATLAS Tile Calorimeter during LHC Run 2 / Agaras, M.N. (Barcelona, IFAE) ; Ahmad, A. (CERN) ; Blanco, A. (LIP, Lisbon) ; Boumediene, D. (LPC, Clermont-Ferrand) ; Bonnefoy, R. (Clermont-Ferrand U.) ; Calvet, D. (LPC, Clermont-Ferrand) ; Calvetti, M. (INFN, Pisa) ; Chadelas, R. (Clermont-Ferrand U.) ; Conde Muíño, P. (LIP, Lisbon) ; Cortes Gonzalez, A. (Humboldt U., Berlin) et al.
This article reports the laser calibration of the hadronic Tile Calorimeter of the ATLAS experiment in the LHC Run 2 data campaign. The upgraded Laser II calibration system is described. [...]
arXiv:2303.00121.- 2023-06-23 - 33 p. - Published in : JINST 18 (2023) P06023 Fulltext: document - PDF; 2303.00121 - PDF;
3.
Atmospheric Neutron Monitoring through Optical Fiber-Based Sensing / Girard, Sylvain (Lab. Hubert Curien, St. Etienne) ; Morana, Adriana (Lab. Hubert Curien, St. Etienne) ; Hoehr, Cornelia (TRIUMF) ; Trinczek, Michael (TRIUMF) ; Vidalot, Jeoffray (Lab. Hubert Curien, St. Etienne ; CEA DAM) ; Paillet, Philippe (CEA DAM) ; Bélanger-Champagne, Camille (TRIUMF) ; Mekki, Julien (CNES, Toulouse) ; Balcon, Nicolas (CNES, Toulouse) ; Vecchi, Gaetano Li (Lab. Hubert Curien, St. Etienne ; CERN) et al.
The potential of fiber-based sensors to monitor the fluence of atmospheric neutrons is evaluated through accelerated tests at the TRIUMF Neutron Facility (TNF) (BC, Canada), offering a flux approximatively 10$^9$ higher than the reference spectrum observed under standard conditions in New York City, USA. The radiation-induced attenuation (RIA) at 1625 nm of a phosphorus-doped radiation sensitive optical fiber is shown to linearly increase with neutron fluence, allowing an in situ and easy monitoring of the neutron flux and fluence at this facility. [...]
2020 - 9 p. - Published in : Sensors 20 (2020) 4510 Fulltext: PDF;
4.
The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking / Calvet, D. (Clermont-Ferrand U.) ; Calvet, S. (Clermont-Ferrand U.) ; Chadelas, R. (Clermont-Ferrand U.) ; Cinca, D. (Clermont-Ferrand U.) ; Grenier, Ph. (Clermont-Ferrand U.) ; Gris, P. (Clermont-Ferrand U.) ; Lafarguette, P. (Clermont-Ferrand U.) ; Lambert, D. (Clermont-Ferrand U.) ; Marjanović, M. (Clermont-Ferrand U.) ; Oleiro Seabra, L.F. (LIP, Lisbon) et al.
This article documents the characteristics of the high voltage (HV) system of the hadronic calorimeter TileCal of the ATLAS experiment. Such a system is suitable to supply reliable power distribution into particles physics detectors using a large number of PhotoMultiplier Tubes (PMTs). [...]
arXiv:1804.05036.- 2018-08-06 - 22 p. - Published in : JINST Fulltext: PDF;
5.
Measurement of the $b$-quark production cross-section in 7 and 13 TeV $pp$ collisions / LHCb Collaboration
Measurements of the cross-section for producing $b$ quarks in the reaction $pp \to b\overline{b}X$ are reported in $7$ and $13 TeV$ collisions at the LHC as a function of the pseudorapidity $\eta$ in the range $2<\eta<5$ covered by the acceptance of the LHCb experiment. The measurements are done using semileptonic decays of b-flavored hadrons decaying into a ground-state charmed hadron in association with a muon. [...]
arXiv:1612.05140; CERN-EP-2016-201; LHCB-PAPER-2016-031; LHCB-PAPER-2016-031; CERN-EP-2016-201.- Geneva : CERN, 2017-02-03 - 11 p. - Published in : Phys. Rev. Lett. Erratum submitted to PRL: PDF; Fulltext: arXiv:1612.05140 - PDF; 10.1103_PhysRevLett.118.052002 - PDF; Related data file(s): ZIP; External link: Figures, tables and other information
6.
Measurements of charm mixing and $C\!P$ violation using $D^0 \to K^\pm \pi^\mp$ decays / LHCb collaboration
Measurements of charm mixing and $C\!P$ violation parameters from the decay-time-dependent ratio of $ D^0 \to K^+ \pi^- $ to $ D^0 \to K^- \pi^+ $ decay rates and the charge-conjugate ratio are reported. The analysis uses $\overline{B}\to D^{*+} \mu^- X$, and charge-conjugate decays, where $D^{*+}\to D^0 \pi^+$, and $D^0\to K^{\mp} \pi^{\pm}$. [...]
arXiv:1611.06143; CERN-EP-2016-280; LHCB-PAPER-2016-033.- Geneva : CERN, 2017-03-23 - 14 p. - Published in : Phys. Rev. D
- Published in : Phys. Rev. D Erratum: PDF; Fulltext: 10.1103_PhysRevD.95.052004 - PDF; arXiv:1611.06143 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
7.
Measurement of the CKM angle $\gamma$ from a combination of LHCb results / LHCb collaboration
A combination of measurements sensitive to the CKM angle $\gamma$ from LHCb is performed. The inputs are from analyses of time-integrated $B^{+}\rightarrow DK^+$, $B_{d}^{0} \rightarrow D K^{*0}$, $B_{d} \rightarrow D K^+ \pi^-$ and $B^{+} \rightarrow D K^+\pi^+\pi^-$ tree-level decays. [...]
arXiv:1611.03076; LHCB-PAPER-2016-032; CERN-EP-2016-270; LHCB-PAPER-2016-032; CERN-EP-2016-270.- Geneva : CERN, 2016-12-19 - 58 p. - Published in : JHEP 12 (2016) 087 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
8.
Measurement of $CP$ asymmetry in $D^0\rightarrow K^-K^+$ decays / LHCb collaboration
A measurement of the time-integrated $CP$ asymmetry in the Cabibbo-suppressed decay $D^0\rightarrow K^-K^+$ is performed using pp collision data, corresponding to an integrated luminosity of 3fb$^{-1}$, collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV. The flavour of the charm meson at production is determined from the charge of the pion in $D^{*+}\rightarrow D^0 \pi^+$ and $D^{*-}\rightarrow \bar{D^0} \pi^-$ decays. [...]
arXiv:1610.09476; CERN-EP-2016-259; LHCB-PAPER-2016-035; CERN-EP-2016-259; LHCB-PAPER-2016-035.- Geneva : CERN, 2017-04-10 - 11 p. - Published in : Phys. Lett. B 767 (2017) 177-187 Article from SCOAP3: PDF; Fulltext: arXiv:1610.09476 - PDF; LHCb-PAPER-2016-035 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
9.
Observation of the annihilation decay mode $B^{0}\to K^{+}K^{-}$ / LHCb collaboration
A search for the $B^{0}\to K^{+}K^{-}$ decay is performed using $pp$-collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb$^{-1}$ at center-of-mass energies of 7 and 8 TeV, respectively. [...]
arXiv:1610.08288; LHCB-PAPER-2016-036; CERN-EP-2016-255; LHCB-PAPER-2016-036; CERN-EP-2016-255.- Geneva : CERN, 2017-02-21 - 9 p. - Published in : Phys. Rev. Lett. 118 (2017) 081801 Fulltext: 10.1103_PhysRevLett.118.081801 - PDF; arXiv:1610.08288 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
10.
Measurement of forward $t\overline{t}$, $W+b\overline{b}$ and $W+c\overline{c}$ production in $pp$ collisions at $\sqrt{s}=8$ TeV / LHCb collaboration
The production of $t\overline{t}$, $W+b\overline{b}$ and $W+c\overline{c}$ is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 TeV by the LHCb experiment, corresponding to an integrated luminosity of 1.98 $\pm$ 0.02 $\mbox{fb}^{-1}$. The $W$ bosons are reconstructed in the decays $W\rightarrow\ell\nu$, where $\ell$ denotes muon or electron, while the $b$ and $c$ quarks are reconstructed as jets. [...]
arXiv:1610.08142; LHCB-PAPER-2016-038; CERN-EP-2016-232; LHCB-PAPER-2016-038; CERN-EP-2016-232.- Geneva : CERN, 2017-04-10 - 11 p. - Published in : Phys. Lett. B 767 (2017) 110-120 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information

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