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CERN Accelerating science

CERN Document Server 2,050 records found  1 - 10próximoend  jump to record: Search took 3.32 seconds. 
1.
Opportunities for Fundamental Physics Research with Radioactive Molecules / Arrowsmith-Kron, Gordon (Michigan State U.) ; Athanasakis-Kaklamanakis, Michail (CERN ; Leuven U.) ; Au, Mia (CERN ; Mainz U.) ; Ballof, Jochen (CERN ; Michigan State U.) ; Berger, Robert (Philipps U. Marburg) ; Borschevsky, Anastasia (U. Groningen, VSI) ; Breier, Alexander A. (Kassel U.) ; Buchinger, Fritz (McGill U.) ; Budker, Dmitry (Darmstadt, GSI ; UC, Berkeley) ; Caldwell, Luke (JILA, Boulder ; U. Colorado, Boulder ; Colorado U.) et al.
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics, nuclear structure, and chemistry. Recent advances in the ability to create, cool, and control complex molecules down to the quantum level, along with recent and upcoming advances in radioactive species production at several facilities around the world, create a compelling opportunity to coordinate and combine these efforts to bring precision measurement and control to molecules containing extreme nuclei. [...]
arXiv:2302.02165.- 2024-07-12 - 119 p. - Published in : Rep. Prog. Phys. 87 (2024) 084301 Fulltext: PDF;
2.
Investigating nuclear structure near $N = 32$ and $N = 34$: Precision mass measurements of neutron-rich Ca, Ti and V isotopes / Porter, W.S. (TRIUMF ; British Columbia U.) ; Dunling, E. (TRIUMF ; York U., England) ; Leistenschneider, E. (Michigan State U., East Lansing (main) ; CERN ; Michigan State U., NSCL) ; Bergmann, J. (U. Giessen, II. Phys. Inst.) ; Bollen, G. (Michigan State U., East Lansing (main) ; Michigan State U., NSCL ; Michigan State U.) ; Dickel, T. (U. Giessen, II. Phys. Inst. ; Darmstadt, GSI) ; Dietrich, K.A. (TRIUMF ; U. Heidelberg (main)) ; Hamaker, A. (Michigan State U., East Lansing (main) ; Michigan State U., NSCL ; Michigan State U.) ; Hockenbery, Z. (TRIUMF ; McGill U.) ; Izzo, C. (TRIUMF) et al.
Nuclear mass measurements of isotopes are key to improving our understanding of nuclear structure across the chart of nuclides, in particular for the determination of the appearance or disappearance of nuclear shell closures. We present high-precision mass measurements of neutron-rich Ca, Ti and V isotopes performed at the TITAN and LEBIT facilities. [...]
arXiv:2206.15329.- 2022-08-10 - 7 p. - Published in : Phys. Rev. C 106 (2022) 024312 Fulltext: PDF;
3.
New test of modulated electron capture decay of hydrogen-like $^{142}$Pm ions: precision measurement of purely exponential decay / FRS-ESR Collaboration
An experiment addressing electron capture (EC) decay of hydrogen-like $^{142}$Pm$^{60+}$ ions has been conducted at the experimental storage ring (ESR) at GSI. The decay appears to be purely exponential and no modulations were observed. [...]
arXiv:1907.06920.- 2019-10-10 - 9 p. Article from SCOAP3: PDF; Fulltext: PDF;
4.
Measurement of the associated production of a Higgs boson decaying into $b$-quarks with a vector boson at high transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The associated production of a Higgs boson with a $W$ or $Z$ boson decaying into leptons and where the Higgs boson decays to a $b\bar{b}$ pair is measured in the high vector-boson transverse momentum regime, above 250 GeV, with the ATLAS detector. The analysed data, corresponding to an integrated luminosity of 139 fb$^{-1}$, were collected in proton-proton collisions at the Large Hadron Collider between 2015 and 2018 at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
arXiv:2008.02508; CERN-EP-2020-093.- Geneva : CERN, 2021-05-10 - 28 p. - Published in : Phys. Lett. B 816 (2021) 136204 Article from SCOAP3: PDF; Fulltext: PDF;
5.
Operation and performance of the ATLAS semiconductor tracker in LHC Run 2 / ATLAS Collaboration
The semiconductor tracker (SCT) is one of the tracking systems for charged particles in the ATLAS detector. It consists of 4088 silicon strip sensor modules. [...]
arXiv:2109.02591; CERN-EP-2021-178.- Geneva : CERN, 2022-01-10 - 55 p. - Published in : JINST 17 (2022) P01013 Fulltext: Aad_2022_J._Inst._17_P01013 - PDF; document - PDF; 2109.02591 - PDF; External link: Previous draft version
6.
Measurement of the $t\bar{t}$ production cross-section in the lepton+jets channel at $\sqrt{s}$=13 TeV with the ATLAS experiment. / ATLAS Collaboration
The $t\bar{t}$ production cross-section is measured in the lepton+jets channel using proton$-$proton collision data at a centre-of-mass energy of $\sqrt{s}$=13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2006.13076; CERN-EP-2020-096.- Geneva : CERN, 2020-11-10 - 38 p. - Published in : Phys. Lett. B 810 (2020) 135797 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
7.
Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at $\sqrt{s}=13$ TeV / ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider (LHC) employs a trigger system consisting of a first-level hardware trigger (L1) and a software-based high-level trigger. The L1 muon trigger system selects muon candidates, assigns them to the correct LHC bunch crossing and classifies them into one of six transverse-momentum threshold classes. [...]
arXiv:2103.01029; CERN-EP-2020-245.- Geneva : CERN, 2021-07-20 - 63 p. - Published in : JINST 16 (2021) P07029 Fulltext: 2103.01029 - PDF; document - HTM; Fulltext from publisher: PDF; External link: Previous draft version
8.
Evidence for Higgs boson decays to a low-mass dilepton system and a photon in pp collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the Higgs boson decaying into a photon and a pair of electrons or muons with an invariant mass $m_{\ell\ell} < 30$ GeV is presented. The analysis is performed using 139 fb$^{-1}$ of proton-proton collision data, produced by the LHC at a centre-of-mass energy of 13 TeV and collected by the ATLAS experiment. [...]
arXiv:2103.10322; CERN-EP-2021-035.- Geneva : CERN, 2021-05-31 - 39 p. - Published in : Phys. Lett. B 819 (2021) 136412 Article from SCOAP3: PDF; Fulltext: 2103.10322 - PDF; ANA-HIGG-2018-43-PAPER - PDF; External link: Previous draft version
9.
Test of CP invariance in vector-boson fusion production of the Higgs boson in the $H\rightarrow\tau\tau$ channel in proton-proton collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the $H\rightarrow\tau\tau$ decay channel. This test uses the Optimal Observable method and is carried out using 36.1 $\mathrm{fb}^{-1}$ of $\sqrt{s} =$ 13 TeV proton-proton collision data collected by the ATLAS experiment at the LHC. [...]
arXiv:2002.05315; CERN-EP-2020-009.- Geneva : CERN, 2020-06-10 - 44 p. - Published in : Phys. Lett. B 805 (2020) 135426 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
10.
The Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeters / Aad, G. (Marseille, CPPM) ; Akimov, A.V. (CERN ; LPI, Moscow (main)) ; Al Khoury, K. (Nevis Labs, Columbia U.) ; Aleksa, M. (CERN) ; Andeen, T. (Arizona U.) ; Anelli, C. (Victoria U.) ; Aranzabal, N. (CERN) ; Armijo, C. (Arizona U.) ; Bagulia, A. (Lebedev Inst.) ; Ban, J. (Nevis Labs, Columbia U.) et al.
The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters enhances the physics reach of the experiment during the upcoming operation at increasing Large Hadron Collider luminosities. The new system, installed during the second Large Hadron Collider Long Shutdown, increases the trigger readout granularity by up to a factor of ten as well as its precision and range. [...]
arXiv:2202.07384.- 2022-05-16 - 56 p. - Published in : JINST 17 (2022) P05024 Fulltext: document - PDF; 2202.07384 - PDF; Publication - PDF;

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