Institute of High Energy Physics

output

19922026

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2006Show all

285 papers · 1 filter

astro-ph2006★ 113 cited

Probing for dynamics of dark energy and curvature of universe with latest cosmological observations

Gong-Bo Zhao, Jun-Qing Xia, Hong Li +4

We use the newly released 182 Type Ia supernova data combined with the third-year Wilkinson Microwave Anisotropic Probe data (WMAP3) and large scale structure (LSS) information inc…

hep-ph2006★ 2 cited

Study on the Form Factors at Effective Vertices of Diqarks Interacting with Gauge Bosons

Yan-Ming Yu, Hong-Wei Ke, Yi-Bing Ding +5

The diquark structure in baryons is commonly accepted as a reasonable approximation which can much simplify the picture and reduce the length of calculations. However, a diquark by…

hep-ex2006★ 33 cited

Precison Measurements of the Mass, the Widths of $ψ (3770)$ Resonance and the Cross Section $σ [e^{+} e^{-} \to ψ (3770)]$ at $E_{cm} = 3.7724$ GeV

M. Ablikim et al.

By analyzing the $R$ values measured at 68 energy points in the energy region between 3.650 and 3.872 GeV reported in our previous paper, we have precisely measured the mass, the t…

hep-ex2006★ 47 cited

Measurements of the continuum $R_{uds}$ and $R$ values in $e^{+} e^{-}$ annihilation in the energy region between 3.650 and 3.872 GeV

M. Ablikim et al

We report measurents of the continuum $R_{uds}$ near the center-of-mass energy of 3.70 GeV, the $R_{uds (c) + ψ (3770)} (s)$ and the $R_{had} (s)$ values in $e^{+} e^{-}$ annihi…

hep-ph2006★ 9 cited

Color-flavor locked strangelets in a quark mass density-dependent model

X. J. Wen, G. X. Peng, P. N. Shen

The color-flavor locked (CFL) phase of strangelets is investigated in a quark mass density-dependent model. Parameters are determined by stability arguments. It is concluded that t…

hep-ph2006★ 11 cited

CP violation in charged Higgs decays in the MSSM

E. Christova, H. Eberl, E. Ginina +1

In the MSSM with complex parameters loop corrections to the decays $H^{+} \to t b ˉ$ and $H^{-} \to t ˉ b$ with $t \to bW$ and $W \to l ν$ lead to CP-violating asymmetries: a…

hep-ph2006★ 1 cited

Charmonium hadronic decays and the OZI rule violation effects

Qiang Zhao

We discuss the scalar meson mixing scenario and present an OZI rule violation mechanism for understanding the scalar productions in charmoium hadronic decays. We stress that the OZ…

hep-ph2006★ 28 cited

Reply to Comment on "Mass and K-Lambda Coupling of the N*(1535)"

B. C. Liu, B. S. Zou

Here we give our reply to the comment by Sibirtsev et al on our paper ``Mass and K-Lambda Coupling of the N*(1535)".

hep-ex2006★ 8 cited

Bottom production cross section from double muonic decays of b-hadrons in 920 GeV proton-nucleus collision

B Collaboration, I. Abt

The b-bbar production cross section in 920 GeV proton-nucleus fixed target collisions is measured by observing double muonic decays of b-flavored hadrons in the kinematic region $-…

hep-ex2006★ 66 cited

Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique

B. Aubert et al.

We report the results of a study of the exclusive charmless semileptonic decay, B --> pi l nu, undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) re…

astro-ph2006★ 5 cited

Relativistic effects on the observed AGN luminosity distribution

Yuan Liu, Shuang Nan Zhang, Xiao Ling Zhang

Recently Zhang (2005) has proposed a model to account for the well established effect that the fraction of type-II AGNs is anti-correlated with the observed X-ray luminosity; the m…

hep-ph2006★ 116 cited

Neutrino Masses, Lepton Flavor Mixing and Leptogenesis in the Minimal Seesaw Model

Wan-lei Guo, Zhi-zhong Xing, Shun Zhou

We present a review of neutrino phenomenology in the minimal seesaw model (MSM), an economical and intriguing extension of the Standard Model with only two heavy right-handed Major…

nucl-th2006★ 17 cited

A possible Omega-pi molecular state

W. L. Wang, F. Huang, Z. Y. Zhang +2

The structure of Omega-pi state with isospin I=1 and spin-parity J^p=3/2^- are dynamically studied in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by…

hep-ph2006★ 80 cited

Flavor S_4 times Z_2 symmetry and neutrino mixing

He Zhang

We present a model of the lepton masses and flavor mixing based on the discrete group $S_{4} \times Z_{2}$ . In this model, all the charged leptons and neutrinos are assigned to the $3_…

hep-ph2006★ 61 cited

Twist-3 distribution amplitudes of scalar mesons from QCD sum rules

Cai-Dian Lü, Yu-Ming Wang, Hao Zou

We study the twist-3 distribution amplitudes for scalar mesons made up of two valence quarks based on QCD sum rules. By choosing the proper correlation functions, we derive the mom…

hep-ph2006★ 45 cited

Diquark and light four-quark states

Ailin Zhang, Tao Huang, T. G. Steele

Four-quark states with different internal clusters are discussed within the constituent quark model. It is pointed out that the diquark concept is not meaningful in the constructio…

hep-ph2006★ 31 cited

Determination of the $η$ and $η^{'}$ Mixing Angle from the Pseudoscalar Transition Form Factors

Tao Huang, Xing-Gang Wu

The possible range of $η - η^{'}$ mixing angle is determined from the transition form factors $F_{η γ} (Q^{2})$ and $F_{η^{'} γ} (Q^{2})$ with the help of the present experimental data. For such…

hep-ph2006

FDCSUSYDecay: A MSSM Decay package

Wei Qi, Jian-Xiong Wang

FDCSUSYDecay is a FORTRAN program package generated by FDC (Feynman Diagram Calculation) system fully automatically. It is dedicated to calculate at tree-level all the possible 2-b…

hep-ex2006★ 114 cited

Measurement of the pseudoscalar mixing angle and $η^{'}$ gluonium content with KLOE detector

The KLOE Collaboration, F. Ambrosino

We have measured the ratio $R_{ϕ} = B R (ϕ \to η^{'} γ) / B R (ϕ \to η γ)$ by looking for the radiative decays $ϕ \to η^{'} γ$ and $ϕ \to η γ$ in the final states $π^{+} π^{-}$ 7 $γ$ 's and 7…

hep-ex2006★ 11 cited

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert

We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…

hep-ex2006★ 28 cited

Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma

The BABAR Collaboration, B. Aubert

We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBa…

hep-ex2006★ 23 cited

Measurement of $\psip$ Radiative Decays

M. Ablikim, J. Z. Bai, Y. Ban +1

Using 14 million psi(2S) events accumulated at the BESII detector, we report first measurements of branching fractions or upper limits for psi(2S) decays into gamma ppbar, gamma 2(…

gr-qc2006★ 2 cited

Spin-Spin Interactions in Gauge Theory of Gravity, Violation of Weak Equivalence Principle and New Classical Test of General Relativity

Ning Wu

For a long time, it is generally believed that spin-spin interactions can only exist in a theory where Lorentz symmetry is gauged, and a theory with spin-spin interactions is not p…

astro-ph2006★ 84 cited

Reconstruction of Hessence Dark Energy and the Latest Type Ia Supernovae Gold Dataset

Hao Wei, Ningning Tang, Shuang Nan Zhang

Recently, many efforts have been made to build dark energy models whose equation-of-state parameter can cross the so-called phantom divide $w_{d e} = - 1$ . One of them is the so-called…