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CERN Document Server 找到 291 笔记录  1 - 10下一个最後  跳到记录: 检索需时 1.18 秒. 
1.
First observation and study of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay based on a sample of 2437 candidates with 15% background contamination collected in 2003-2004. The decay branching ratio in the kinematic region of the squared dilepton mass above $0.03$~GeV$^2/c^4$ is measured to be $(0.65 \pm 0.03) \times 10^{-6}$. [...]
arXiv:2310.20295; CERN-EP-2023-245.- Geneva : CERN, 2024-03-22 - 16 p. - Published in : JHEP 2403 (2024) 137 Draft (restricted): PDF; Fulltext: 2310.20295 - PDF; CERN-EP-2023-245 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
2.
Measurements of $W^+W^-+\ge 1$ jet production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Fiducial and differential measurements of $W^+W^-$ production in events with at least one hadronic jet are presented. These cross-section measurements are sensitive to the properties of electroweak-boson self-interactions and provide a test of perturbative quantum chromodynamics and the electroweak theory. [...]
arXiv:2103.10319; CERN-EP-2021-030.- Geneva : CERN, 2021 - 58 p. - Published in : JHEP 2106 (2021) 003 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
3.
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
4.
Search for new phenomena in events with an energetic jet and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Results of a search for new physics in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 139 fb$^{-1}$ at a center-of-mass energy of 13 TeV collected in the period 2015-2018 with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2102.10874; CERN-EP-2020-238.- Geneva : CERN, 2021-06-10 - 40 p. - Published in : Phys. Rev. D 103 (2021) 112006 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
5.
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 $pp$ collision data set at $\sqrt{s}=13$ TeV / ATLAS Collaboration
This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected between 2015 and 2018 during Run 2 of the LHC. The increased instantaneous luminosity delivered by the LHC over this period required a reoptimisation of the criteria for the identification of prompt muons. [...]
arXiv:2012.00578; CERN-EP-2020-199.- Geneva : CERN, 2021-07-05 - 44 p. - Published in : Eur. Phys. J., C 81 (2021) 578 Fulltext: 2012.00578 - PDF; document - PDF; Fulltext from publisher: PDF; External link: Previous draft version
6.
Measurement of the form factors of charged kaon semileptonic decays / NA48/2 Collaboration
A measurement of the form factors of charged kaon semileptonic decays is presented, based on $4.4 \times 10^{6}$ $K^\pm \to \pi^0 e^\pm \nu_e$ ($K^\pm_{e3}$) and $2.3 \times 10^{6}$ $K^\pm \to \pi^0 \mu^\pm \nu_\mu$ ($K^\pm_{\mu3}$) decays collected in 2004 by the NA48/2 experiment. The results are obtained with improved precision as compared to earlier measurements. [...]
arXiv:1808.09041; CERN-EP-2018-231.- Geneva : CERN, 2018-10-24 - 20 p. - Published in : JHEP 10 (2018) 150 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Draft (restricted): PDF; Fulltext: fermilab-pub-18-701 - PDF; CERN-EP-2018-231 - PDF; 1808.09041 - PDF;
7.
New high statistics measurement of $K_{e4}$ decay form factors and $\pi\pi$ scattering phase shifts / NA48/2 Collaboration
We report results from a new measurement of the $K_{e4}$ decay $K^{\pm} \rightarrow \pi^{+}\pi^{-}e^{\pm}\nu$ by the NA48/2 collaboration at the CERN SPS, based on a partial sample of more than 670000 $K_{e4}$ decays in both charged modes collected in 2003. The form factors of the hadronic current (F, G, H) and $\pi\pi$ phase difference ($\delta=\delta_{s}-\delta_{p}$) have been measured in ten independent bins of the $\pi\pi$ mass spectrum to investigate the variation. [...]
CERN-PH-EP-2007-035.- Geneva : CERN, 2008 - 24 p. - Published in : Eur. Phys. J. C 54 (2008) 411-423 Springer Open Access article: PDF;
8.
Measurements of the $\Xi^0$ lifetime and the $\overline{\Xi^0}/\Xi^0$ flux ratio in a neutral beam / NA48/1 Collaboration
A total of 235 698 Xi0 -> Lambda pi0 and 21 527 anti-Xi0 -> anti-Lambda pi0 decays were selected from data obtained by the NA48/1 experiment at CERN. [...]
CERN-PH-EP-2007-015.
- 2007. - 16 p.
Fulltext
9.
The Beam and detector for the NA48 neutral kaon CP violation experiment at CERN / NA48 Collaboration
The beam and detector, used for the NA48 experiment, devoted to the measurement of $\Re(\epsilon^{\prime}/\epsilon)$, and for the NA48/1 experiment on rare $K_{S}$ and neutral hyperon decays, are described..
CERN-PH-EP-2007-006.- Geneva : CERN, 2007 - 57 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 574 (2007) 433-471 Fulltext: PDF;
10.
Search for direct CP-violation in $K^{\pm} \to \pi^{\pm} \pi^{0} \pi^{0}$ decays / NA48/2 Collaboration
A search for direct CP-violation in $K^{\pm}\rightarrow \pi^\pm \pi^0 \pi^0$ decay based on 47.14 million events has been performed by the NA48/2 experiment at the CERN SPS. The asymmetry in the Dalitz plot linear slopes $A_g = ( g^+ -g^- ) / ( g^+ + g^- )$ is measured to be $A_g = (1.8 \pm 2.6) \cdot10^{-4}$. [...]
CERN-PH-EP-2006-006.- Geneva : CERN, 2006 - 14 p. - Published in : Phys. Lett. B 638 (2006) 22-29 Fulltext: PDF;

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29 Batley, J R
165 Batley, J.R.
1 Batley, J.R. et al (The NA48/2 Collaboration)
6 Batley, John Richard
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