Author:
Huang Hongxia,Ping Jialun,Zhu Xinmei,Wang Fan
Abstract
AbstractThe existence of fully heavy dibaryons $$\varOmega _{ccc}\varOmega _{bbb}$$
Ω
ccc
Ω
bbb
, $$\varOmega _{ccb}\varOmega _{bbc}$$
Ω
ccb
Ω
bbc
, $$\varOmega _{ccc}\varOmega _{ccc}$$
Ω
ccc
Ω
ccc
, and $$\varOmega _{bbb}\varOmega _{bbb}$$
Ω
bbb
Ω
bbb
with $$J=0,~1,~2,~3$$
J
=
0
,
1
,
2
,
3
and $$P=\pm 1$$
P
=
±
1
are investigated in the framework of a constituent quark model with the help of the resonating group method. The dibaryon composed of six c or b quarks with $$J^{P}=0^{+}$$
J
P
=
0
+
is able to be bound, because the requirement for antisymmetrization between the same baryon clusters introduces an attractive interaction between two fully heavy baryons. Although it is difficult for the dibaryon with the color-singlet type $$\varOmega _{ccc}\varOmega _{bbb}$$
Ω
ccc
Ω
bbb
to form any bound state, it is possible for the $$\varOmega _{ccb}\varOmega _{bbc}$$
Ω
ccb
Ω
bbc
state to be bound. The channel coupling of all channels of both $$\varOmega _{ccb}\varOmega _{bbc}$$
Ω
ccb
Ω
bbc
and $$\varOmega _{ccc}\varOmega _{bbb}$$
Ω
ccc
Ω
bbb
structures leads to the bound conclusion of this fully heavy system composed of three c quarks and three b quarks.
Funder
National Natural Science Foundation of China
Publisher
Springer Science and Business Media LLC
Subject
Physics and Astronomy (miscellaneous),Engineering (miscellaneous)
Cited by
8 articles.
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