کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1841588 | 1527773 | 2009 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
f(2010) in lattice QCD
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We present a search for the possible I(JP)=0(2+) tetraquark state with sss¯s¯ quark content in quenched improved anisotropic lattice QCD. Using various local and non-local interpolating fields we determine the energies of ground-state and second ground state using variational method. The state is found to be consistent with two-particle scattering state, which is checked to exhibit the expected volume dependence of the spectral weights. In the physical limit, we obtain for the ground state, a mass of 2123(33)(58) MeV which is higher than the mass of experimentally observed f(2010). The lattice resonance signal obtained in the physical region does not support a localized JP=2+ tetraquark state in the pion mass region of 300-800 MeV. We conclude that the 4q system in question appears as a two-particle scattering state in the quark mass region explored here.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics B - Volume 820, Issues 1â2, 11 October 2009, Pages 89-98
Journal: Nuclear Physics B - Volume 820, Issues 1â2, 11 October 2009, Pages 89-98
نویسندگان
Mushtaq Loan, Zhi-Huan Luo, Yu Yiu Lam,