|Table of Contents|

Effect of Quark Mass for the Exclusive Process in e~+e~- Annihilation(PDF)

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

Issue:
2008年04期
Page:
66-68
Research Field:
物理学
Publishing date:

Info

Title:
Effect of Quark Mass for the Exclusive Process in e~+e~- Annihilation
Author(s):
Wang Lizhi1; Qi Shuo1; Liu Kuiyong2; Yang Kun1; Cheng Taimin1
1.Department of Mathematics and Physics,Shenyang Institute of Chemical Technology,Shenyang 110142,China
2. Dep artm en t of Phys ics, L iaon ing Un iversity, Shenyang 110036, Ch ina
Keywords:
non-re la tiv istic quantum ch rom odynam ics;  charm on ium;  ex clusive process
PACS:
O572.33
DOI:
-
Abstract:
The effect of quark m ass for the exc lusive pro cess in e+ e- ann ih ilation is investiga ted under three scenar ios. The first scenar io, the fixed long-d istance m atrix was chosen. The second scenar io, the fixed long-d istance m a trix w as ca lcu la ted through linear potentia lm ode .l The third scenar io, the fixed long-distancem atrix was extracted from the experim enta l data. The cross sec tion o f the exc lusive processes w as found increased sign ifican tly w ith the quark m ass de c reasing.

References:

[ 1]  Ko P, Lee J, Song H S. Co lor-octet m echan ism in γ+ p→ J /φ+X [ J]. Phys Rev D, 1996, 54( 7): 4 312-4 325.
[ 2]  Cho P, Le ibov ich A K. Co lor-octe t quarkon ia production[ J] . Phy s Rev D, 1996, 53( 1): 150-162.
[ 3]  Cho P, Le ibov ich A K. Co lor-sing let φQ production at e+ e- colliders[ J]. Phy s Rev D, 1996, 54( 11): 6 690-6 695.
[ 4]  E ichtem E J, Qu igg C. Quarkon ium w ave functions a t the orig in[ J]. Phys Rev D, 1995, 52( 3): 1 726-1 728.
[ 5]  Be lle Co llaboration, AbeK, Aso T, et a.l Observation of double cc production in e+ e- ann ihila tion at sqrt[ s ] ≈10.6 GeV[ J] . Phy s Rev Lett, 2002, 89: 142001- 1- 7.
[ 6] Be lle Co llaboration, AbeK A so, Ban T Y, et a .l Production of prom pt charm onia in e+ e- annihila tion a t sqrt[ s ] ≈ 10.6 GeV[ J]. Phys Rev Le tt, 2002, 88( 5): 052001- 1- 6.
[ 7]  Qu igg C, Rosner J L. Quarkonium leve l spac ing s[ J]. Phys Le tt B, 1977, 71: 153-157

Memo

Memo:
-
Last Update: 2013-05-05