OBSERVATION OF A RESONANCE WITH MASS M= 1814 MEV, DECAYING INTO PI-ETA-ETA

被引:77
作者
BITYUKOV, SI [1 ]
BORISOV, GV [1 ]
BUSHNIN, YB [1 ]
DZHELYADIN, RI [1 ]
GOUZ, YP [1 ]
IVANYUSHENKOV, YM [1 ]
KACHAEV, IA [1 ]
KARYUHIN, AN [1 ]
KHOKHLOV, YA [1 ]
KLUCHNIKOV, GA [1 ]
KONOPLYANNIKOV, AK [1 ]
KONSTANTINOV, VF [1 ]
KOSTRIKOV, ME [1 ]
KOSTYUKHIN, VV [1 ]
KRIUSHIN, AA [1 ]
LAPIN, VV [1 ]
MATVEEV, VD [1 ]
OBRAZTSOV, VF [1 ]
OSTANKOV, AP [1 ]
RYABCHIKOV, DI [1 ]
SEMENOV, VK [1 ]
STARCHENKO, EA [1 ]
VANEV, VS [1 ]
VISHNEVSKY, NK [1 ]
VLASSOV, EV [1 ]
ZAITSEV, AM [1 ]
机构
[1] ACAD SCI GESSR,INST PHYS,TBILISI 380077,GEORGIA,USSR
关键词
D O I
10.1016/0370-2693(91)90935-J
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The reaction pi--N --> pi--eta-eta-N off a carbon nucleus at P-pi = 36 GeV/c has been studied with the help of the wide aperture magnetic spectrometer VES. In the pi--eta-eta-system a resonance with M = 1814 +/- 10 (stat.) +/- 23 (syst.) MeV, GAMMA = 205 +/- 18 (stat.) +/-32 (syst.) MeV has been observed. Its most probable quantum numbers are I(G) = 1+ or 2-.
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页码:137 / 141
页数:5
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