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Quark-Delocalization,Color-Screening Model and Tetraquark States(PDF)

《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2008年01期
Page:
47-51
Research Field:
物理学
Publishing date:

Info

Title:
Quark-Delocalization,Color-Screening Model and Tetraquark States
Author(s):
Zhao Suyan Ping Jialun
School of Physical Science and Technology, Nanjing Normal University, Nanjing 210097, China
Keywords:
quark-delocalization co lor-screen ingm odel d iquark te traquark sta tes
PACS:
O572.2
DOI:
-
Abstract:
In the fram ew ork of quark-delocalization, co lo r- screen ing m ode,l the q qq q tetraqua rk sta tes are ca lcu la ted under the ad iaba tic approx im a tion. The resu lts show that a few sta tes are repulsive, and most states are attrac tive, but are not enough to becom e resonance.

References:

[ 1] Diakonov D, PetrovV, Po lyakovM. Exo tic ant-i decuplet o f baryons: pred iction from chiral so litons[ J]. Z Phys A, 1997, 359( 3) : 305-314.
[ 2] N akano T, Ahn D S, Ahn J K, et a.l Ev idence for a narrow S = + 1 Baryon resonance in pho toproduction from theNeuteron [ J] . Phy s Rev Lett, 2003, 91( 1) : 012002-1-012002-4.
[ 3] BABAR Co llaboration. Observa tion of a narrrow m eson state decay ing toD+ s +0 at am ass of 2. 32 Gev / c2 [ J]. Phy sRev Lett, 2003, 90( 24): 242001-1-242001-7.
[ 4] BELLE Co llaboration. Observ ation of a narrrow charm onium lke state in ex clus iveB K + - J / decays[ J]. Phys Rev Le tt, 2003, 91( 26) : 262001-1-262001-6.
[ 5] CLEO Co llaboration. Observa tion o f a na rrow resonance o fm ass 2. 46 GeV / c2 decay ing toD* + s +0 and confirma tion o f theD* SJ ( 2317) state[ J]. Phys Rev D, 2003, 68: 032002-1-032002-10.
[ 6] BABAR Collaboration. Observation o f a boa rd struc ture in ex clusive + - J / m ass spectrum around 4. 26 Gev / c2 [ J]. Phys Rev Lett, 2005, 95: 142001-1-142001-7.
[ 7] Isgur N, K arl N. Baryon decays in a quark m ode lw ith chrom odynam ics[ J]. Phy Rev D, 1980, 21: 1868. [ 8] W ang F, W u G H, Teng L J, et a.l Qua rk de lo ca lization, co lor sc reening, and nuc lear in term ed ia te range attrac tion [ J]. Phys Rev Lett, 1992, 69( 20): 2 901-2 904.
[ 9] Ping J L, W ang F, Goldm an T. E ffectiv e baryon-baryon potentials in the quark de lo ca lization and co lor screen ing mode l[ J]. Nucl Phys A, 1999, 657( 1): 95-109.
[ 10] Wu G H, Teng L J, P ing J L, e t a.l Quark delocalization, co lo r screen ing, andN -N interm ediate range attraction: Pwaves[ J] . Phys Rev C, 1996, 53( 3): 1 161-1 166.
[ 11] P ing J L, W ang F, Go ldm an T. d ba ryon in the quark de loca liza tion, co lor screen ing m ode l[ J]. Phys Rev C, 2002, 65: 044003-1-044003-5.
[ 12] W ang F, Ping J L, W u G H, et a.l Quark de loca liza tion, co lo r screening, and dibaryons[ J] . Phys Rev C, 1995, 51( 6): 3 411-3 420.
[ 13] Koon in S E, M e redith D C. Compu tational Physics[M ]. New York: Add ison-W eslsy, 1990.

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Last Update: 2013-05-05