CORE
🇺🇦Â
 make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
research
Coupled-channel analysis of the possible
D
(
∗
)
D
(
∗
)
D^{(*)}D^{(*)}
D
(
∗
)
D
(
∗
)
,
B
ˉ
(
∗
)
B
ˉ
(
∗
)
\bar{B}^{(*)}\bar{B}^{(*)}
B
ˉ
(
∗
)
B
ˉ
(
∗
)
and
D
(
∗
)
B
ˉ
(
∗
)
D^{(*)}\bar{B}^{(*)}
D
(
∗
)
B
ˉ
(
∗
)
molecular states
Authors
Ning Li
Xiang Liu
Zhi-Feng Sun
Shi-Lin Zhu
Publication date
1 January 2013
Publisher
'American Physical Society (APS)'
Doi
Cite
View
on
arXiv
Abstract
We perform a coupled-channel study of the possible deuteron-like molecules with two heavy flavor quarks, including the systems of
D
(
∗
)
D
(
∗
)
D^{(*)}D^{(*)}
D
(
∗
)
D
(
∗
)
with double charm,
B
ˉ
(
∗
)
B
ˉ
(
∗
)
\bar{B}^{(*)}\bar{B}^{(*)}
B
ˉ
(
∗
)
B
ˉ
(
∗
)
with double bottom and
D
(
∗
)
B
ˉ
(
∗
)
D^{(*)}\bar{B}^{(*)}
D
(
∗
)
B
ˉ
(
∗
)
with both charm and bottom, within the one-boson-exchange model. In our study, we take into account the S-D mixing which plays an important role in the formation of the loosely bound deuteron, and particularly, the coupled-channel effect in the flavor space. According to our calculation, the states
D
(
∗
)
D
(
∗
)
[
I
(
J
P
)
=
0
(
1
+
)
]
D^{(*)}D^{(*)}[I(J^P)=0(1^+)]
D
(
∗
)
D
(
∗
)
[
I
(
J
P
)
=
0
(
1
+
)]
and
(
D
(
∗
)
D
(
∗
)
)
s
[
J
P
=
1
+
]
(D^{(*)}D^{(*)})_s[J^P=1^+]
(
D
(
∗
)
D
(
∗
)
)
s
​
[
J
P
=
1
+
]
with double charm, the states
B
ˉ
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
0
(
1
+
)
,
0
(
2
+
)
,
1
(
0
+
)
,
1
(
1
+
)
,
1
(
2
+
)
]
\bar{B}^{(*)}\bar{B}^{(*)}[I(J^P)=0(1^+),0(2^+),1(0^+),1(1^+),1(2^+)]
B
ˉ
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
0
(
1
+
)
,
0
(
2
+
)
,
1
(
0
+
)
,
1
(
1
+
)
,
1
(
2
+
)]
,
(
B
ˉ
(
∗
)
B
ˉ
(
∗
)
)
s
[
J
P
=
0
+
,
1
+
,
2
+
]
(\bar{B}^{(*)}\bar{B}^{(*)})_s[J^P=0^+,1^+,2^+]
(
B
ˉ
(
∗
)
B
ˉ
(
∗
)
)
s
​
[
J
P
=
0
+
,
1
+
,
2
+
]
and
(
B
ˉ
(
∗
)
B
ˉ
(
∗
)
)
s
s
[
J
P
=
0
+
,
1
+
,
2
+
]
(\bar{B}^{(*)}\bar{B}^{(*)})_{ss}[J^P=0^+,1^+,2^+]
(
B
ˉ
(
∗
)
B
ˉ
(
∗
)
)
ss
​
[
J
P
=
0
+
,
1
+
,
2
+
]
with double bottom, and the states
D
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
0
(
0
+
)
,
0
(
1
+
)
]
D^{(*)}\bar{B}^{(*)}[I(J^P)=0(0^+),0(1^+)]
D
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
0
(
0
+
)
,
0
(
1
+
)]
and
(
D
(
∗
)
B
ˉ
(
∗
)
)
s
[
J
P
=
0
+
,
1
+
]
(D^{(*)}\bar{B}^{(*)})_s[J^P=0^+,1^+]
(
D
(
∗
)
B
ˉ
(
∗
)
)
s
​
[
J
P
=
0
+
,
1
+
]
with both charm and bottom are good molecule candidates. However, the existence of the states
D
(
∗
)
D
(
∗
)
[
I
(
J
P
)
=
0
(
2
+
)
]
D^{(*)}D^{(*)}[I(J^P)=0(2^+)]
D
(
∗
)
D
(
∗
)
[
I
(
J
P
)
=
0
(
2
+
)]
with double charm and
D
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
1
(
1
+
)
]
D^{(*)}\bar{B}^{(*)}[I(J^P)=1(1^+)]
D
(
∗
)
B
ˉ
(
∗
)
[
I
(
J
P
)
=
1
(
1
+
)]
with both charm and bottom is ruled out.Comment: 1 figure added, published in Physical Review
Similar works
Full text
Open in the Core reader
Download PDF
Available Versions
Institutional Repository of Peking University
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:localhost:20.500.11897/296...
Last time updated on 20/04/2018
Juelich Shared Electronic Resources
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:juser.fz-juelich.de:201667
Last time updated on 16/05/2016