STRUCTURE-ANALYSIS OF THE F(J)(1710) IN THE RADIATIVE DECAY J PSI-]GAMMA-K+K-/

Authors
BAI JZ BIAN JG CHAI ZW CHEN GP CHEN HF CHEN JC CHEN SM CHEN Y CHEN YB CHEN YQ CHENG BS CHENG ZD CUI XZ DING HL DING WY DU ZZ FAN XL FANG J GAO CS GAO ML GAO SQ GU JH GU SD GU WX GU YF GUO YN HAN SW HAN Y HE J HE M HU GY HU JL HU QH HU T HU XQ HUANG XP HUANG YZ JIANG CH JIN S JIN Y KANG SH KE ZJ LAI YF LAN HB LANG PF LI J LI PQ LI Q LI RB LI W LI WD LI WG LI XH LI XN LIN SZ LIU HM LIU J LIU JH LIU Q LIU RG LIU Y LIU ZA LU F LU JG LU JY LU LC LUO SQ LUO Y MA AM MA EC MA JM MAO HS MAO ZP MENG XC NI HL NIE J QI ND QIU JF QU YH QUE YK RONG G SHAO YY SHEN BW SHEN DL SHEN H SHEN XY SHENG HY SHI HZ SONG XF SUN F SUN HS SUN SJ TAN YP TANG SQ TONG GL WANG F WANG JF WANG LS WANG LZ WANG M WANG M WANG P WANG PL WANG SM WANG TJ WANG YY WEI CL WU YG XI DM XIA XM XIE PP XIE YG XIONG WJ XU GF XU RS XU ZQ XUE ST YAN J YAN WG YANG CM YANG CY YANG J YANG XF YE MH YE SW YE SZ YI K YU CS YU CX YU ZQ YU ZT YUAN CZ ZHANG BY ZHANG CC ZHANG DH ZHANG DH ZHANG HL ZHANG J ZHANG JW ZHANG L ZHANG LS ZHANG QJ ZHANG SQ ZHANG XY ZHANG Y ZHANG YY ZHAO DX ZHAO HW ZHAO JW ZHAO M ZHAO WH ZHAO WR ZHENG JP ZHENG LS ZHENG ZP ZHOU GP ZHOU HS ZHOU L ZHOU YH ZHU QM ZHU YC ZHU YS ZHUANG BA
Citation
Jz. Bai et al., STRUCTURE-ANALYSIS OF THE F(J)(1710) IN THE RADIATIVE DECAY J PSI-]GAMMA-K+K-/, Physical review letters, 77(19), 1996, pp. 3959-3962
Citations number
25
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
77
Issue
19
Year of publication
1996
Pages
3959 - 3962
Database
ISI
SICI code
0031-9007(1996)77:19<3959:SOTFIT>2.0.ZU;2-Z
Abstract
The data on J/psi --> gamma K+K- from the BES experiment at the Beijin g electron-positron collider have been analyzed. We find two resonance s in the 1.7 GeV region which were identified as f(J)(1710): a scalar with mass 1781 +/- 8(-31)(+10)(MeV) and width 85 +/- 24(-19)(+22)(MeV) , and a tensor with mass 1696 +/- 5(-34)(+9)(MeV) and width 103 +/- 18 (-11)(+30)(MeV). The resulting branching ratios; B(J/psi --> gamma f(J ))B(f(J) --> K+K-) are (0.8 +/- 0.1-(+0.3)(0.1))10(-4) for J = 0 and ( 2.5 +/- 0.4(-0.4)(+0.9))10(-4) for J = 2, respectively.