CERN Accelerating science

CERN Document Server Znaleziono 25 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.78 sekund. 
1.
Thermal neutron detection based on resistive gaseous devices / Bencivenni, G (Frascati) ; Balossino, I (INFN, Ferrara ; Ferrara U.) ; Cibinetto, G (INFN, Ferrara ; Ferrara U.) ; De Oliveira, R (CERN) ; Farinelli, R (INFN, Ferrara ; Ferrara U.) ; Felici, G (Frascati) ; Garzia, I (INFN, Ferrara ; Ferrara U.) ; Gatta, M (Frascati) ; Giovannetti, M (Frascati) ; Gramigna, S (INFN, Ferrara ; Ferrara U.) et al.
In the framework of the uRANIA (u-Rwell Advanced Neutron Imaging Apparatus) project, we are developing innovative thermal neutron detectors based on resistive gaseous devices such as micro-Resistive WELL (μ-RWELL) and surface Resistive Plate Counter (sRPC).The μ-RWELL is a single amplification stage resistive MPGD developed for HEP applications. The amplification stage, based on the same Apical® foil used for the manufacturing of the GEM, is embedded through a resistive layer in the readout board [...]
2023 - 4 p. - Published in : EPJ Web Conf. 288 (2023) 06012 Fulltext: PDF;
In : Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA 2023), Lucca, Italy, 12 - 16 Jun 2023, pp.06012
2.
LHCb Muon Detector for the High Lumi at LHC / Poli Lener, Marco (INFN e Laboratori Nazionali di Frascati (IT))
LHCb-TALK-2024-178.- Geneva : CERN, 2024 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics, Prague, Cz, 18 - 24 Jul 2024
3.
Study of $b-$hadron decays to $\Lambda_c^+h^-h^{\prime -}$ final states / LHCb Collaboration
Decays of $\Xi_{b}^{-}$ and $\Omega_{b}^{-}$ baryons to $\Lambda_{c}^{+} h^- h^{\prime -}$ final states, with $h^- h^{\prime -}$ being $\pi^{-}\pi^{-}$, $K^{-}\pi^{-}$ and $K^{-}K^{-}$ meson pairs, are searched for using data collected with the LHCb detector. The data sample studied corresponds to an integrated luminosity of $8.7 \rm fb^{-1}$ of $pp$ collisions collected at centre-of-mass energies $\sqrt{s} = 7$, $8$ and $13 \rm TeV$. [...]
arXiv:2405.12688; CERN-EP-2024-116; LHCb-PAPER-2024-013; LHCB-PAPER-2024-013.- Geneva : CERN, 2024-08 - 32 p. - Published in : JHEP 2408 (2024) 132 Fulltext: 2405.12688 - PDF; document - PDF; LHCb-PAPER-2024-013 - PDF; Related data file(s): ZIP;
4.
First measurement of $Z \to \mu^+\mu^-$ angular coefficients in the forward region of $pp$ collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration
The first study of the angular distribution of $\mu^+ \mu^-$ pairs produced in the forward rapidity region via the Drell-Yan reaction $pp \rightarrow \gamma^{*}/Z +X \rightarrow l^+ l^- + X$ is presented, using data collected with the LHCb detector at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.1 $\rm{fb}^{-1}$. The coefficients of the five leading terms in the angular distribution are determined as a function of the dimuon transverse momentum and rapidity. [...]
arXiv:2203.01602; LHCb-PAPER-2021-048; CERN-EP-2022-030; LHCB-PAPER-2021-048.- 2022-08-24 - 11 p. - Published in : Phys. Rev. Lett. 129 (2022) 091801 Fulltext: PDF; Related data file(s): ZIP; External link: Previous draft version
5.
The surface Resistive Plate Counter: A new RPC based on resistive MPGD technology / Bencivenni, G (Frascati) ; De Oliveira, R (CERN) ; Felici, G (Frascati) ; Gatta, M (Frascati) ; Giovannetti, M (Frascati ; Rome U.) ; Morello, G (Frascati) ; Papalino, G (Frascati) ; Lener, M Poli (Frascati)
The surface Resistive Plate Counter (sRPC) is a new RPC based on surface resistive electrodes realized with Diamond-Like-Carbon (DLC) sputtered on Apical\protect \relax \special {t4ht=®} foil. Exploiting the high rate resistive MPGD technology, detectors able to stand several tens of kHz/cm2 can be easily developed. [...]
2022 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1038 (2022) 166948
In : Vienna Conference on Instrumentation (VCI 2022), Online, Online, 21 - 25 Feb 2022, pp.166948
6.
MPGDs for tracking and Muon detection at future high energy physics colliders / Black, K. (U. Wisconsin, Madison (main)) ; Colaleo, A. (U. Bari (main) ; INFN, Bari) ; Aimè, C. (U. Pavia (main) ; INFN, Pavia) ; Alviggi, M. (Naples, Inst. U. Navale ; INFN, Naples) ; Aruta, C. (U. Bari (main) ; INFN, Bari) ; Bianco, M. (CERN) ; Balossino, I. (INFN, Ferrara) ; Bencivenni, G. (Frascati) ; Bertani, M. (Frascati) ; Braghieri, A. (INFN, Pavia) et al.
In the next years, the energy and intensity frontiers of the experimental Particle Physics will be pushed forward with the upgrade of existing accelerators (LHC at CERN) and the envisaged construction of new machines at energy scales up to hundreds TeV or with unprecedented intensity (FCC-hh, FCC-ee, ILC, Muon Collider). [...]
arXiv:2203.06525.
- 84 p.
eConf - Fulltext
7.
Measurement of $\tau _\text {L}$ using the ${B} _s^0 \rightarrow J/\psi \eta $ decay mode / LHCb Collaboration
Using a proton-proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of 5.7 $\text{fb}^{-1}$, the lifetime of the $B_{s}^{0}$ mass eigenstate, $\tau_{L}$, is measured using $B_{s}^{0} \to J/\psi \eta$ decay mode to be $\tau_{L}$ = 1.445 $\pm$ 0.016(stat) $\pm$ 0.008(syst) ps. A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 $\text{fb}^{-1}$ of integrated luminosity gives $\tau_{L}$ = 1.452 $\pm$ 0.014 $\pm$ 0.007 $\pm$ 0.002 ps, where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty..
arXiv:2206.03088; LHCb-PAPER-2022-010 CERN-EP-2022-099; CERN-EP-2022-099; LHCb-PAPER-2022-010.- 2023-07-17 - 14 p. - Published in : Eur. Phys. J. C 83 (2023) 629 Fulltext: 2206.03088 - PDF; document - PDF;
8.
Measurement of antiproton production from antihyperon decays in pHe collisions at $\sqrt{s_{NN}}=110$ GeVMeasurement of antiproton production from antihyperon decays in ${p} \textrm{He}$ collisions at $\sqrt{s_{\scriptscriptstyle \mathrm NN}} =110\,\text {Ge\hspace{-1.00006pt}V}$ / LHCb Collaboration
The interpretation of cosmic antiproton flux measurements from space-borne experiments is currently limited by the knowledge of the antiproton production cross-section in collisions between primary cosmic rays and the interstellar medium. Using collisions of protons with an energy of 6.5 TeV incident on helium nuclei at rest in the proximity of the interaction region of the LHCb experiment, the ratio of antiprotons originating from antihyperon decays to prompt production is measured for antiproton momenta between 12 and 110 GeV/c. [...]
arXiv:2205.09009; LHCb-PAPER-2022-006; CERN-EP-2022-091.- 2023-06-27 - 26 p. - Published in : Eur. Phys. J. C
- Published in : C: 83 (2023) , pp. 543 Fulltext: document - PDF; 2205.09009 - PDF; Related data file(s): ZIP;
9.
Observation of the decay $ \Lambda_b^0\rightarrow \Lambda_c^+\tau^-\overline{\nu}_{\tau}$ / LHCb Collaboration
The first observation of the semileptonic $b$-baryon decay $ \Lambda_b^0 \rightarrow \Lambda_c^+ \tau^-\overline{\nu}_{\tau}$, with a significance of $6.1\,\sigma$, is reported using a data sample corresponding to 3 fb$^{-1}$ of integrated luminosity, collected by the LHCb experiment at centre-of-mass energies of 7 and 8~TeV at the LHC. The $\tau^-$ lepton is reconstructed in the hadronic decay to three charged pions. [...]
arXiv:2201.03497; LHCb-PAPER-2021-044; CERN-EP-2021-265; LHCB-PAPER-2021-044.- Geneva : CERN, 2022-05-13 - 21 p. - Published in : Phys. Rev. Lett. 128 (2022) 191803 Fulltext: 2201.03497 - PDF; PhysRevLett.128.191803 - PDF; Related data file(s): ZIP; Supplementary material: ZIP;
10.
Precision measurement of forward $Z$ boson production in proton-proton collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration
A precision measurement of the $Z$ boson production cross-section at $\sqrt{s} = 13$ TeV in the forward region is presented, using $pp$ collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.1 fb$^{-1}$. The production cross-section is measured using $Z\rightarrow\mu^+\mu^-$ events within the fiducial region defined as pseudorapidity $2.0<\eta<4.5$ and transverse momentum $p_{T}>20$ GeV/$c$ for both muons and dimuon invariant mass $60 < M_{\mu\mu}<120$ GeV/$c^2$. [...]
arXiv:2112.07458; LHCb-PAPER-2021-037; CERN-EP-2021-246; LHCB-PAPER-2021-037.- Geneva : CERN, 2022-07-05 - 57 p. - Published in : JHEP 2207 (2022) 026 Fulltext: PDF; Related data file(s): ZIP;

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