scholarly journals HADRON SPECTROSCOPY (THEORY): DIQUARKS, TETRAQUARKS, PENTAQUARKS AND NO QUARKS

Author(s):  
F.E. CLOSE
Keyword(s):  
1993 ◽  
Vol 30 ◽  
pp. 373-376 ◽  
Author(s):  
K. Akemi ◽  
Ph.de Forcrand ◽  
M. Fujisaki ◽  
T. Hashimoto ◽  
H.C. Hege ◽  
...  

2011 ◽  
Vol 02 ◽  
pp. 183-187
Author(s):  
◽  
Y. CHEN

Several measurements on light hadron spectroscopy have been achieved with Beijing Spectrometry III (BESIII). BESII results such as a near threshold enhancement on the [Formula: see text] invariants mass spectrum namely X(1860) and a resonance X(1835) have been confirmed with 225 million J/ψ data accumulated from June 12, 2009 to July 28, 2009. Along with some other preliminary BESIII results including observations of X(1870), X(2120) and X(2370); the first direct measurement of a0(980)/f0(980) mixing; and an improved measurement on the matrix element of decay η′ → ππη have been reported at the 4th international workshop on charm physics.


2009 ◽  
Vol 49 (1) ◽  
pp. 19-28 ◽  
Author(s):  
A. Bernotas ◽  
V. Šimonis

1991 ◽  
Author(s):  
S.U. Chung ◽  
D.P. Weygand ◽  
H.J. Willutzki

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