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Properties of hadron screening masses at finite baryonic density
/ Pushkina, Irina (Hiroshima U.) ; de Forcrand, Philippe (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Garcia Perez, Margarita (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Kim, Seyong (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Matsufuru, Hideo (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Nakamura, Atsushi (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Stamatescu, Ion-Olimpiu (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Takaishi, Tetsuya (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto) ; Umeda, Takashi (Hiroshima U. ; Zurich, ETH ; CERN ; Madrid, Autonoma U. ; Swansea U. ; KEK, Tsukuba ; Hiroshima U., RIISE ; Heidelberg U. ; Heidelberg, FEST ; Hiroshima U. of Economics ; Kyoto U., Yukawa Inst., Kyoto)
/QCD-TARO Collaboration
The properties of hadron screening masses around the deconfinement phase transition at finite baryonic density can be studied by evaluating the Taylor coefficients with respect to the iso-scalar and iso-vector chemical potentials. We simulate 2-flavour lattice QCD with staggered fermions on a 12*12*24*6 lattice with ma = 0.05 and 0.10 and report investigations of nucleon, pseudo-scalar and vector mesons. [...]
hep-lat/0410017; SWAT-415.-
2004 - 7 p.
- Published in : Phys. Lett. B 609 (2005) 265-270
Access to fulltext document: PDF; Fulltext: PDF; External link: hep-lat/0410017 PDF
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Contribution of disconnected diagrams to the hyperfine splitting of charmonium
/ De Forcrand, Philippe (ETH-Hönggerberg, Zürich ; CERN) ; Pérez-Garcia, M ; Matsufuru, H ; Nakamura, A ; Pushkina, I ; Stamatescu, I O ; Takaishi, T ; Umeda, T
/QCD-TARO Collaboration
We discuss the contribution of OZI-suppressed diagrams to the hyperfine splitting of charmonium in lattice QCD. We study valence quark mass regions from strange to charm quark masses. [...]
hep-lat/0404016; IFT-UAM-CSIC-2004-14; YITP-2004-23.-
Warsaw : Warsaw Univ. Inst. Theor. Phys., 2004 - 13 p.
- Published in : JHEP 08 (2004) 004
Fulltext: PDF; SISSA/IOP Published version, local copy: PDF; External link: hep-lat/0404016 PDF
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Quenched charmonium spectrum
/ Choe, S. (KAIST, Taejon) ; de Forcrand, P. (Zurich, ETH ; CERN) ; Garcia Perez, M. (Madrid, Autonoma U.) ; Liu, Y. (Nankai U.) ; Nakamura, A. (Hiroshima U., RIISE) ; Stamatescu, I.O. (Heidelberg U. ; Heidelberg, FEST) ; Takaishi, T. (Hiroshima U. of Economics) ; Umeda, T. (Kyoto U., Yukawa Inst., Kyoto)
/QCD-TARO Collaboration
We study charmonium using the standard relativistic formalism in the quenched approximation, on a set of lattices with isotropic lattice spacings ranging from 0.1 to 0.04 fm. We concentrate on the calculation of the hyperfine splitting between eta_c and J/psi, aiming for a controlled continuum extrapolation of this quantity. [...]
hep-lat/0307004; IFT-UAM-CSIC-03-24; CERN-TH-2002-243; CERN-TH-2002-243; IFT-UAM-CSIC-2003-24.-
Geneva : CERN, 2003 - 22 p.
- Published in : JHEP 08 (2003) 022
Access to fulltext document: 0307004 - PDF; 0307004.fig4 - PS.GZ; 0307004.fig5 - PS.GZ; 0307004.fig6 - PS.GZ; 0307004.fig7 - PS.GZ; 0307004.fig1 - PS.GZ; 0307004.fig2 - PS.GZ; 0307004.fig3 - PS.GZ; Fulltext: PDF; SISSA/IOP Published version, local copy: PDF; External link: Preprint
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Hadronic masses at high temperature by lattice QCD approach
/ De Forcrand, Philippe ; García-Pérez, M ; Hashimoto, T ; Hioki, S ; Liu, Y ; Matsufuru, H ; Miyamura, O ; Nakamura, A ; Umeda, T ; Stamatescu, I O et al.
1999
In : Conference on New Directions in Quantum Chromodynamics : 11th International Light-Cone Workshop and 12th Nuclear Physics Summer School and Symposium, Seoul, Korea, 26 May - 25 Jun 1999, pp.454-463
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Chemical potential response of heavy light meson mass
/ de Forcrand, Ph. (Zurich, ETH ; CERN) ; Hashimoto, T. (Fukui U.) ; Hioki, S. (Tezukayama U.) ; Matsufuru, H. (Hiroshima U.) ; Miyamura, O. (Hiroshima U.) ; Nakamura, A. (Hiroshima U., RIISE) ; Takaishi, T. (Hiroshima U. of Economics) ; Umeda, T. (Hiroshima U.)
/QCD-TARO Collaboration
We study the response of meson masses to the chemical potential ($\partial{m}/\partial{\mu}$) at high temperature and at zero chemical potential on $N_f=2$ lattice with staggered fermions. Preliminary results for the meson composed of different quarks show that $\partial{m}/\partial{\mu}|_{\mu=0}$ is negative in the confinement phase and positive in the deconfinement phase..
hep-lat/0011013.-
2001 - 4 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 94 (2001) 453-456
Access to fulltext document: PDF; Fulltext: PDF; External link: hep-lat/0011013 PDF
In : 18th International Symposium On Lattice Field Theory, Bangalore, India, 17 - 22 Aug 2000
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