搜索结果: 1-15 共查到“高能物理学 transition”相关记录19条 . 查询时间(0.125 秒)
Single-shot electro-optic sampling of coherent transition radiation at the A0 Photoinjector
Single-shot electro-optic sampling coherent transition radiation the A0 Photoinjector Accelerator Physics
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2012/5/28
Future collider applications and present high-gradient laser plasma wakefield accelerators operating with picosecond bunch durations place a higher demand on the time resolution of bunch distribution ...
The phase boundary for the chiral transition in (2+1)-flavor QCD at small values of the chemical potential
the chiral transition (2+1)-flavor QCD
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2011/1/6
We determine the chiral phase transition line in (2+1)-flavor QCD for small values of the light quark chemical potential. We show that for small values of the chemical potential the curvature of the p...
The phase boundary for the chiral transition in (2+1)-flavor QCD at small values of the chemical potential
the chiral transition (2+1)-flavor QCD
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2011/1/6
We determine the chiral phase transition line in (2+1)-flavor QCD for small values of the light quark chemical potential. We show that for small values of the chemical potential the curvature of the p...
Evidence for a First Order, Finite Temperature Phase Transition in 8 Flavor QCD
Phase Transition 8 Flavor QCD
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2011/1/6
As part of our ongoing investigations of QCD with many flavors of quarks, here we report on studies of the finite temperature phase transition for eight-flavor QCD with the DBW2 gauge action and na\"i...
Evidence for a First Order, Finite Temperature Phase Transition in 8 Flavor QCD
Phase Transition 8 Flavor QCD
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2011/1/6
As part of our ongoing investigations of QCD with many flavors of quarks, here we report on studies of the finite temperature phase transition for eight-flavor QCD with the DBW2 gauge action and na\"i...
Non-equilibrium physics at a holographic chiral phase transition
Non-equilibrium physics holographic chiral phase transition
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2010/12/23
The D3/D7 system holographically describes an N=2 gauge theory which spontaneously breaks a chiral symmetry by the formation of a quark condensate in the presence of a magnetic field. At finite tempe...
How Wide is the Transition to Deconfinement?
the Transition Deconfinement
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2011/1/7
Pure SU(3) glue theories exhibit a deconfining phase transition at a nonzero temperature, Tc. Using lattice measurements of the pressure, we develop a simple matrix model to describe the transition re...
Curvature of the QCD phase transition line in a finite volume
the QCD phase transition line finite volume
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2011/1/7
The curvature which characterizes the QCD phase transition at finite temperature and small values of the chemical potential is accessible to lattice simulations. The results for this quantity which ha...
Towards the N_f=2 deconfinement transition temperature with O(a) improved Wilson fermions: An update
the N_f=2 deconfinement transition temperature O(a) improved Wilson fermions
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2011/1/7
We give an update on our current project to determine the transition temperature and the order of the deconfinement transition in the chiral limit of two flavour QCD. We use nonperturbatively O(a) imp...
The order of the deconfinement phase transition in a heavy quark mass region
the deconfinement phase transition quark mass region
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2011/1/7
We study the quark mass dependence of the QCD phase transition by an effective potential defined through the distribution function of observables. As a test of the method, we study the first order dec...
QCD transition temperature: full staggered result
QCD transition temperature staggered result
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2011/1/7
We conclude our investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement. We extend our previous two studies [Phys. Lett. B643 (2006) 46,...
Nucleon to Delta transition form factors with $N_F=2+1$ domain wall fermions
Nucleon Delta transition
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2011/1/7
We calculate the electromagnetic, axial and pseudo-scalar form factors of the Nucleon to $\Delta(1232)$ transition using two dynamical light degenerate quarks and a dynamical strange quark simulated w...
Evidence for strong orbital fluctuations below the Jahn-Teller transition in Sr$_3$Cr$_2$O$_8$
Evidence for strong orbital fluctuations Jahn-Teller transition
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2010/11/23
We report on the magnetic and phononic excitation spectrum of Sr3Cr2O8 determined by THz and
infrared (IR) spectroscopy, specific heat, and electron spin resonance measurements. We identify the singl...
The order of the deconfinement phase transition in a heavy quark mass region
order of the deconfinement phase transition quark mass region
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2011/1/14
We study the quarkmass dependence of the QCD phase transition by an effective potential defined
through the distribution function of observables. As a test of the method, we study the first
order de...
Measurements of the γγ*→π0 and γγ*→ηc transition form factors at BABAR
two-photon interaction pseudoscalar meson transition form factor pi0 eta eta(958) etac
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2010/5/7
We present measurements of the γγ*→π0 transition form factor for the momentum transfer range Q2=4—40 GeV2 and the γγ*→ηc transition form factor for the range Q2=2—50 GeV2. The current status of measur...