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CERN Document Server 找到 2,048 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.46 秒. 
1.
(100)
Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model / RBC Collaboration
We present a lattice QCD calculation of the $\Delta I=1/2$, $K\to\pi\pi$ decay amplitude $A_0$ and $\varepsilon'$, the measure of direct CP-violation in $K\to\pi\pi$ decay, improving our 2015 calculation of these quantities. Both calculations were performed with physical kinematics on a $32^3\times 64$ lattice with an inverse lattice spacing of $a^{-1}=1.3784(68)$ GeV. [...]
arXiv:2004.09440; CERN-TH-2020-058; MIT-CTP/5197.- 2020-09-18 - 95 p. - Published in : Phys. Rev. D 102 (2020) 054509 Article from SCOAP3: PDF; Fulltext: PDF; External links: Press Release; Physics Synopsis
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2.
(91)
Lattice determination of $I= 0$ and 2 $\pi\pi$ scattering phase shifts with a physical pion mass / RBC Collaboration
Phase shifts for $s$-wave $\pi\pi$ scattering in both the $I=0$ and $I=2$ channels are determined from a lattice QCD calculation performed on 741 gauge configurations obeying G-parity boundary conditions with a physical pion mass and lattice size of $32^3\times 64$. These results support our recent study of direct CP violation in $K\to\pi\pi$ decay \cite{Abbott:2020hxn}, improving our earlier 2015 calculation \cite{Bai:2015nea}. [...]
arXiv:2103.15131; CERN-TH-2021-039.- 2021-12-01 - 88 p. - Published in : Phys. Rev. D 104 (2021) 114506 Fulltext: 2103.15131 - PDF; PhysRevD.104.114506 - PDF;
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3.
(78)
Domain wall QCD with physical quark masses / UKQCD collaborations
We present results for several light hadronic quantities ($f_\pi$, $f_K$, $B_K$, $m_{ud}$, $m_s$, $t_0^{1/2}$, $w_0$) obtained from simulations of 2+1 flavor domain wall lattice QCD with large physical volumes and nearly-physical pion masses at two lattice spacings. We perform a short, O(3)%, extrapolation in pion mass to the physical values by combining our new data in a simultaneous chiral/continuum `global fit' with a number of other ensembles with heavier pion masses. [...]
arXiv:1411.7017; KEK-TH-1769; RBRC-1095; DAMTP-2014-86.- 2016-04-12 - 68 p. - Published in : Phys. Rev. D 93 (2016) 074505 Fulltext: 10.1103_PhysRevD.93.074505 - PDF; arXiv:1411.7017 - PDF; External link: Preprint
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4.
(76)
The long-distance window of the hadronic vacuum polarization for the muon g-2 / RBC Collaboration
We provide the first ab-initio calculation of the Euclidean long-distance window of the isospin symmetric light-quark connected contribution to the hadronic vacuum polarization for the muon $g-2$ and find $a_\mu^{\rm LD,iso,conn,ud} = 411.4(4.3)(2.4) \times 10^{-10}$. [...]
arXiv:2410.20590 ; CERN-TH-2024-182. - 12.
Fulltext
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5.
(75)
Update of Euclidean windows of the hadronic vacuum polarization / RBC Collaboration
We compute the standard Euclidean window of the hadronic vacuum polarization using multiple independent blinded analyses. We improve the continuum and infinite-volume extrapolations of the dominant quark-connected light-quark isospin-symmetric contribution and address additional sub-leading systematic effects from sea-charm quarks and residual chiral-symmetry breaking from first principles. [...]
arXiv:2301.08696.- 2023-09-01 - 24 p. - Published in : Phys. Rev. D 108 (2023) 054507 Fulltext: Publication - PDF; 2301.08696 - PDF;
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6.
(58)
Calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment / Blum, T. (Connecticut U.) ; Boyle, P.A. (Edinburgh U.) ; Izubuchi, T. (Brookhaven Natl. Lab. ; RIKEN BNL) ; Jin, L. (Columbia U.) ; Jüttner, A. (U. Southampton (main)) ; Lehner, C. (Brookhaven) ; Maltman, K. (Adelaide U. ; York U., Canada) ; Marinkovic, M. (CERN ; Geneva U.) ; Portelli, A. (Edinburgh U. ; U. Southampton (main)) ; Spraggs, M. (U. Southampton (main))
We report the first lattice QCD calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment at physical pion mass. The calculation uses a refined noise-reduction technique which enabled the control of statistical uncertainties at the desired level with modest computational effort. [...]
arXiv:1512.09054.- 2016-06-08 - 6 p. - Published in : Phys. Rev. Lett. 116 (2016) 232002 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevLett.116.232002 - PDF; arXiv:1512.09054 - PDF; External link: Preprint
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7.
(41)
The present and future of QCD / Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U. ; Jefferson Lab) ; Afzal, F. (Bonn U., HISKP ; Bonn U.) ; Aidala, C.A. (Michigan U.) ; Al-bataineh, A. (Jordan U. Sci. Tech. ; Yarmouk U. ; Kansas U.) ; Almaalol, D.K. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Amaryan, M. (Old Dominion U. ; Old Dominion U. (main)) ; Androić, D. (Zagreb U.) ; Armstrong, W.R. (Argonne ; Argonne, PHY) et al.
This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 424 physicists registered for the meeting. [...]
arXiv:2303.02579; JLAB-PHY-23-3808.- 2024-04-15 - 111 p. - Published in : Nucl. Phys. A 1047 (2024) 122874 Fulltext: 2303.02579 - PDF; Publication - PDF; External link: JLab Document Server
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8.
(41)
Does shape matter? v_2 vs eccentricity in small x gluon production / Kovner, Alex (Connecticut U. ; CERN) ; Skokov, Vladimir V. (RIKEN BNL)
We study analytically and numerically effects of spatial eccentricity of the projectile shape on the second flow harmonic in inclusive gluon production in p-A collisions in the CGC framework. Keeping the collision area fixed, we find that the two quantities are anti-correlated..
arXiv:1805.09297; CERN-TH-2018-077; RBRC-1273.- 2018-10-10 - 9 p. - Published in : Phys. Lett. B 785 (2018) 372-380 Article from SCOAP3: PDF; Fulltext: PDF;
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9.
(40)
One and two dimensional analysis of 3$\pi$ correlations measured in Pb + Pb interactions / NA44 Collaboration
$\pi^{-}\pi^{-}\pi^{-}$ correlations from Pb+Pb collisions at 158 GeV/c per nucleon are presented as measured by the focusing spectrometer of the NA44 experiment at CERN. The three-body effect is found to be stronger for PbPb than for SPb. [...]
nucl-ex/0102013; CERN-EP-2001-018.- Geneva : CERN, 2001 - 8 p. - Published in : Phys. Lett. B 517 (2001) 25-31 Fulltext: ep-2001-018 - PDF; arXiv:nucl-ex_0102013 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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10.
(40)
Construction of precision wire readout planes for the Short-Baseline Near Detector (SBND) / SBND Collaboration
The Short-Baseline Near Detector time projection chamber is unique in the design of its charge readout planes. These anode plane assemblies (APAs) have been fabricated and assembled to meet strict accuracy and precision requirements: wire spacing of 3 mm +/- 0.5 mm and wire tension of 7 N +/- 1 N across 3,964 wires per APA, and flatness within 0.5 mm over the 4 m +/- 2.5 m extent of each APA. [...]
arXiv:2002.08424; FERMILAB-PUB-20-398-ND.- 2020-06-30 - 44 p. - Published in : JINST 15 (2020) P06033 Fulltext: 2002.08424 - PDF; fermilab-pub-20-398-nd - PDF; External link: Fermilab Accepted Manuscript
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