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pro vyhledávání: '"Yang, S. N."'
Akademický článek
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Publikováno v:
Phys.Rev.C82:055203,2010
Within the previously developed Dubna-Mainz-Taipei meson-exchange model, the singularity structure of the pi N scattering amplitudes has been investigated. For all partial waves up to F waves and c.m. energies up to W = 2 GeV, the T-matrix poles have
Externí odkaz:
http://arxiv.org/abs/1007.2126
Akademický článek
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Publikováno v:
Prog.Theor.Phys.Suppl.168:111-114,2007
A Bethe-Salpeter-Faddeev (BSF) calculation is performed for the pentaquark $\Theta^+$ in the diquark picture of Jaffe and Wilczek in which $\Theta^+$ is a diquark-diquark-${\bar s}$ three-body system. Nambu-Jona-Lasinio (NJL) model is used to calcula
Externí odkaz:
http://arxiv.org/abs/0704.1072
Autor:
Yang, S. N., Kamalov, S. S.
Publikováno v:
Int.J.Mod.Phys. A21 (2006) 873-876
The Dubna-Mainz-Taipei (DMT) dynamical model for pion electromagnetic production, which describe well the existing data from threshold up to 1 GeV photon lab energy is presented and used to analyze recent data in the $\Delta$ region . We find that wi
Externí odkaz:
http://arxiv.org/abs/hep-ph/0509318
Publikováno v:
Phys.Rev.C71:015204,2005
Radiative pion photoproduction in the $\Delta(1232)$ resonance region is studied with the aim to access the $\Delta^+(1232)$ magnetic dipole moment. We present a unitary model of the $\gamma p \to \gamma \pi N$ ($\pi N = \pi^0 p, \pi^+ n$) reactions,
Externí odkaz:
http://arxiv.org/abs/hep-ph/0409078
Publikováno v:
Nucl.Phys. A737 (2004) 248-252
We show that, within a meson-exchange dynamical model describing well most of the existing pion electromagnetic production data up to the second resonance region, one is also able to obtain a good agreement with the pi^0 photo- and electroproduction
Externí odkaz:
http://arxiv.org/abs/nucl-th/0312117
Publikováno v:
PiN Newslett. 16 (2002) 41-48
Pion photo- and electroproduction has been studied at threshold and in the resonance region below W=2GeV. At threshold pi^0 production can be very well explained within a dynamical model derived from an effective chiral Lagrangian. The final state in
Externí odkaz:
http://arxiv.org/abs/nucl-th/0111062
Publikováno v:
Phys.Lett. B522 (2001) 27-36
We show that, within a meson-exchange dynamical model describing most of the existing pion electromagnetic production data up to the second resonance region, one is also able to obtain a good agreement with the pi0 photo- and electroproduction data n
Externí odkaz:
http://arxiv.org/abs/nucl-th/0107017
Autor:
Arndt, R. A., Aznauryan, I., Davidson, R. M., Drechsel, D., Hanstein, O., Kamalov, S. S., Omelaenko, A. S., Strakovsky, I., Tiator, L., Workman, R. L., Yang, S. N.
We have fitted low- and medium-energy benchmark datasets employing methods used in the MAID/SAID and dynamical model analyses. Independent fits from the Mainz, RPI, Yerevan, and Kharkov groups have also been performed over the low-energy region. Resu
Externí odkaz:
http://arxiv.org/abs/nucl-th/0106059