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CERN Document Server 445 records found  1 - 10próximoend  jump to record: Search took 0.70 seconds. 
1.
Precision measurement of the $B^{0}$ meson lifetime using $B^{0} \rightarrow J/\psi K^{*0}$ decays with the ATLAS detector / ATLAS Collaboration
A measurement of the $B^{0}$ meson lifetime and related properties using $B^0 \to J/\psi K^{*0}$ decays in data from 13 TeV proton-proton collisions with an integrated luminosity of 140 fb$^{-1}$ recorded by the ATLAS detector at the LHC is presented. [...]
arXiv:2411.09962 ; CERN-EP-2024-279. - 2024 - 39.
Fulltext - Previous draft version - Fulltext
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2.
Search for displaced leptons in $\sqrt{s}=13$ TeV and $13.6$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for leptons displaced from the primary vertex is performed with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2410.16835 ; CERN-EP-2024-257. - 2024 - 49.
Fulltext - Previous draft version - Fulltext
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3.
Single-Event Effect Responses of CMOS Integrated Planar Multiturn Inductors in LC-Tank Oscillators Under Heavy-Ion Microbeam Irradiation / Adom-Bamfi, Gideon (Leuven U.) ; Biereigel, Stefan (CERN) ; Leroux, Paul (Leuven U.) ; Prinzie, Jeffrey (Leuven U.)
This article presents detailed measurements of a novel radiation effect caused by the sensitivity of on-chip spiral inductors to ionizing particles, leading to single-event frequency transients (SEFTs) in LC-tank oscillators. Quantitative experimental results from heavy-ion microbeam irradiation of two-turn and four-turn inductor samples are presented. [...]
2024 - 11 p. - Published in : IEEE Trans. Nucl. Sci. 71 (2024) 1380-1390
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4.
Measurement of the $B^0_\mathrm{s}\to J/\psi K^0_\mathrm{S}$ effective lifetime from proton-proton collisions at $\sqrt{s} = 13$ TeV / CMS Collaboration
The effective lifetime of the $ \mathrm{B}_{s}^{0} $ meson in the decay $ \mathrm{B}_{s}^{0} \to \mathrm{J}/\psi\mathrm{K^0_S} $ is measured using data collected during 2016-2018 with the CMS detector in $ \sqrt{s}= $ 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb$ ^{-1} $. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the $ \mathrm{B}_{s}^{0} $ meson invariant mass and proper decay time distributions. [...]
arXiv:2407.13441; CMS-BPH-22-001; CERN-EP-2024-172; CMS-BPH-22-001-003.- Geneva : CERN, 2024-10-31 - 37 p. - Published in : JHEP 2410 (2024) 247 Fulltext: 2407.13441 - PDF; 0c4812e5f66e5d86c2eea85f3fce34f9 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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5.
Precision measurement of the $\Xi_b^-$ baryon lifetime / LHCb Collaboration
A sample of $pp$ collision data, corresponding to an integrated luminosity of 5.5 fb$^{-1}$ and collected by the LHCb experiment during Run 2, is used to measure the ratio of the lifetime of the $\Xi^-_b$ baryon to that of the $\Lambda^0_b$ baryon, $r_{\tau}\equiv\tau_{\Xi^-_b}/\tau_{\Lambda^0_b}$. The value ${r_{\tau}^{\rm Run\,2}=1.076\pm0.013\pm0.006}$ is obtained, where the first uncertainty is statistical and the second systematic. [...]
arXiv:2406.12111; LHCb-PAPER-2024-010; CERN-EP-2024-139.- Geneva : CERN, 2024-10-01 - 16 p. - Published in : Phys. Rev. D 110 (2024) 072002 Fulltext: 2406.12111 - PDF; Publication - PDF; Xibm_Lifetime_Run2_Paper - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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6.
Performance and Results of the LBNE 35 Ton Membrane Cryostat Prototype / Montanari, David (Fermilab) ; Adamowski, Mark (Fermilab) ; Hahn, Alan (Fermilab) ; Norris, Barry (Fermilab) ; Reichenbacher, Juergen (Alabama U.) ; Rucinski, Russell (Fermilab) ; Stewart, Jim (Brookhaven) ; Tope, Terry (Fermilab)
We report on the performance and commissioning of the first membrane cryostat to be used for scientific application. The Long Baseline Neutrino Experiment (LBNE) has designed and fabricated a membrane cryostat prototype in collaboration with Ishikawajima-Harima Heavy Industries Co., Ltd. [...]
FERMILAB-CONF-14-223-PPD.- 2015 - 6 p. - Published in : Phys. Procedia 67 (2015) 308-313 Fulltext: S1875389215004733 - XML; fermilab-conf-14-223-ppd - PDF; 10.1016_j.phpro.2015.06.092 - PDF; External link: Fermilab Library Server (fulltext available)
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.308-313
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7.
Measurement of the W-boson mass and width with the ATLAS detector using proton-proton collisions at $\sqrt{s}$ = 7 TeV / ATLAS Collaboration
Proton-proton data recorded by the ATLAS detector in 2011, at a centre-of-mass energy of 7 TeV, have been used for an improved determination of the W-boson mass and a first measurement of the W-boson width at the LHC. [...]
arXiv:2403.15085 ; CERN-EP-2024-074. - 2024 - 51.
Fulltext - Previous draft version - Fulltext
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8.
Measurement of the Z boson invisible width at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the invisible width of the $Z$ boson using events with jets and missing transverse momentum is presented using 37 $\mbox{fb\(^{-1}\)}$ of 13 TeV proton-proton data collected by the ATLAS detector in 2015 and 2016. The ratio of $Z\rightarrow \textrm{inv}$ to $Z\rightarrow\ell\ell$ events, where inv refers to non-detected particles and $\ell$ is either an electron or a muon, is measured and corrected for detector effects. [...]
arXiv:2312.02789; CERN-EP-2023-232.- Geneva : CERN, 2024-05-10 - 25 p. - Published in : Phys. Lett. B 854 (2024) 138705 Fulltext: 2312.02789 - PDF; Publication - PDF; External link: Previous draft version
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9.
B-decay branching fractions, helicities and lifetime measurements in ATLAS / Novotny, Radek (University of New Mexico (US))
The ATLAS experiment has an extensive research program focusing on various aspects of heavy flavor decays. [...]
ATL-PHYS-PROC-2023-064. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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10.
Measurement of the $B_s^0 \to \mu\mu$ Effective Lifetime with the ATLAS Detector / ATLAS Collaboration
This paper reports the first ATLAS measurement of the $B_s^0 \to \mu\mu$ effective lifetime. The measurement is based on the data collected in 2015-2016, amounting to 26.3 fb$^{-1}$ of 13 TeV LHC proton-proton collisions. [...]
arXiv:2308.01171; CERN-EP-2023-139.- Geneva : CERN, 2023-09-28 - 32 p. - Published in : JHEP 2309 (2023) 199 Fulltext: document - PDF; 2308.01171 - PDF; External link: Previous draft version
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