hadrons with heavy quarks 1730 May 2010YITP Shigehiro Yasui KEK Contents 1 Introduction Why do we use heavy quarks 2 Exotic heavy ID: 301718
Download Presentation The PPT/PDF document "Exotic" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Exotic hadrons with heavy quarks
17-30 May. 2010@YITP
Shigehiro YasuiKEKSlide2
Contents1. Introduction
Why do we use heavy
quarks?2. Exotic heavy hadrons
from
QGP
・
Diquarks
in QGP
・
Tcc
tetraquarks
and
others
...
・
Charm/Bottom
Nuclei
3.
Discussion
and
SummarySlide3
1. IntroductionQuantum Chromo Dynamics (QCD)
Dynamical
chiral symmetry breaking
Confinement
of
quarks
and
gluons
U(1)
A
anomaly
H
adrons and Nuclei
Quark Matter
Quark-Gluon Plasma
......
t
ypical
features in QCD
Variety of states of QCD matter
QCD matterSlide4
Variety of states of QCD matter1.
IntroductionQuantum Chromo
Dynamics (QCD) Dynamical chiral symmetry
breaking
Confinement
of
quarks
and
gluons
U(1)
A
anomaly
H
adrons and Nuclei
Quark MatterQ
uark-Gluon Plasma
......
t
ypical
features in QCD
How
can
we
understand
them
from
QCD?
→ Very
difficult
for
light
quarks
QCD matterSlide5
Heavy Quark Effective Theory(potential) non-relativistic
QCDHeavy Meson Effective
TheoryLattice QCD
Heavy Quark
Symmetry
1.
Introduction
M
Q
→∞
Heavy QuarkSlide6
Heavy Quark Effective Theory(potential) non-relativistic
QCDHeavy Meson Effective
TheoryLattice QCD
Heavy Quark
Symmetry
1.
Introduction
Exotic
Hadrons
Charm/Bottom
Nuclei
Diquarks
in QGP
M
Q
→∞
Heavy QuarkSlide7
Heavy Quark Effective Theory(potential) non-relativistic
QCDHeavy Meson Effective
TheoryLattice QCD
Heavy Quark
Symmetry
1.
Introduction
Exotic
Hadrons
Charm/Bottom
Nuclei
Diquarks
in QGP
→
ud
diquarks
in
sQGP
M
Q
→∞
Heavy QuarkSlide8
Heavy Quark Effective Theory(potential) non-relativistic
QCDHeavy Meson Effective
TheoryLattice QCD
Heavy Quark
Symmetry
1.
Introduction
Exotic
Hadrons
Charm/Bottom
Nuclei
Diquarks
in QGP
→
ud
diquarks
in
sQGP
→
Tcc
,
Θcs
,
Hc
, ...
M
Q
→∞
Heavy QuarkSlide9
Heavy Quark Effective Theory(potential) non-relativistic
QCDHeavy Meson Effective
TheoryLattice QCD
Heavy Quark
Symmetry
1.
Introduction
Exotic
Hadrons
Charm/Bottom
Nuclei
Diquarks
in QGP
→
ud
diquarks
in
sQGP
→
Tcc
,
Θcs
,
Hc
, ...
→
new
exotic
nuclei
M
Q
→∞
Heavy QuarkSlide10Slide11
Diquarks in QGPS. H. Lee, K. Ohnishi, SY, I.-K.
Yoo, C.-M. Ko, Phy. Rev. Lett. 100, 222301 (2008)
Y. Oh, C.-M. Ko, S. H. Lee, SY, Phys. Rev. C79, 044905 (2009)Slide12
2. Exotic heavy hadrons from QGP / Diquarks in QGP
Diquarks in B
aryonsN
Λ
Λc
d
c
u
d
u
u
ud
diquark
is
isolated
from
c
and
b
diquark
(
spin
0)
interaction
[MeV]
ud
-150
us
-90
ds
-90
uc
-30
d
c
-30
s
c
-15
ub
-10
db
-10
sb
-5
cb
-2
d
s
u
Λb
d
b
uSlide13
2.
Exotic heavy
hadrons from QGP / Diquarks in QGP
Phase
diagram
in
sQGP
Diquarks
in
QGP
How
to
observe diquarks
?Slide14
2.
Exotic heavy
hadrons from QGP / Diquarks in QGP
Phase
diagram
in
sQGP
Λc
c
d
u
d
c
u
ud
diquark
+
→
Diquarks
in
QGP
How
to
observe
diquarks
?Slide15
Phase
diagram in sQGP
Diquarks in QGP
How
to
observe
diquarks
?
2.
Exotic
heavy hadrons from QGP / Diquarks
in QGPΛc
b
d
u
ud
diquark
+→
d
b
uSlide16
Exotic Hadrons in Diquark Model
S. H. Lee, SY, W. Liu, C.-M. Ko, Eur. Phys. J. C54, 259 (2008)
S. H. Lee, SY, Eur. Phys. J. C64, 283 (2009)Slide17
2. Exotic heavy hadrons from QGP / Exotic
HadronsTetraquark Tcc(udcc
)
c
c
d
u
T
cc
1
c
+
D*
-
D
0
u
c
B.E.
-61 MeV
-123 MeV
T
bb
1
B.E.
T
cc
1
S=0
S=-1
-4 MeV
-74 MeV
d
3
f
3
fSlide18
u
b
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Hadrons
d
u
Tbb1
b
b
d
+
B*
0
b
B
+
B.E.
-61 MeV
-123 MeV
T
bb
1
B.E.
T
cc
1
S=0
S=-1
-4 MeV
-74 MeV
Tetraquark
Tcc(udcc
)
3
f
3
fSlide19
2. Exotic heavy hadrons from QGP / Exotic
Hadrons
d
u
T
cb
1
B.E.
+24 MeV
-21 MeV
T
cb
0
B.E.
T
cb
1
S=0
S=-1
+3 MeV
-59 MeV
b
c
d
+
B*
0
D
0
u
c
b
B.E.
T
cc
1
S=0
S=-1
-4 MeV
-74 MeV
B.E.
-61 MeV
-123 MeV
T
bb
1
Tetraquark
Tcc(udcc
)
3
f
3
fSlide20
2. Exotic heavy hadrons from QGP / Exotic
HadronsTetraquark Tcc(udcc
)
How to observe T
cc
in experiments?
c
c
d
u
T
cc
1
K
+
π
-
K
+
π
-
π
-
T
cb
0
c
d
u
b
K
+
π
-
K
+
π
-Slide21
c
u
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Hadrons
ΘcsΛ
d
u
s
+
s
d
u
B.E.
Θ
bs
B.E.
S=-1
S=-2
Θ
cs
u
c
D
0
+8 MeV
+8 MeV
-56 MeV
-56 MeV
Pentaquark
Θ
cs(udusc
)
3
fSlide22
b
u
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
HadronsΘ
bsΛ
d
u
s
+
s
d
u
B.E.
S=-1
S=-2
+8 MeV
+8 MeV
Θ
cs
u
b
B
+
B.E.
Θ
bs
-56 MeV
-56 MeV
Pentaquark
Θ
cs(udusc
)
3
fSlide23
Hc
6f
Dibaryon Hc(udusuc)
2.
Exotic
heavy
hadrons
from
QGP / Exotic HadronsSlide24
H
c
Hb6f
6
f
Dibaryon
H
c
(udusuc
)
2.
Exotic
heavy hadrons from QGP / Exotic HadronsSlide25
H
c
Hb
H’
cb
6
f
6
f
3
f
Dibaryon
Hc(udusuc)
2. Exotic heavy hadrons
from QGP / Exotic HadronsSlide26
H
c
H
b
H
cb
H’
cb
6
f
6
f
3
f
15f
Dibaryon Hc(udusuc)2.
Exotic heavy hadrons from QGP / Exotic
HadronsSlide27
H
c
H
b
H
cb
H’
cb
H
ccb
6
f
6
f
3
f15f
8fDibaryon
Hc(udusuc)
2. Exotic heavy
hadrons from QGP / Exotic HadronsSlide28
Exotic Charm/Bottom NucleiSY and K.
Sudoh, Phys. Rev. D80, 034008 (2009)Slide29
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
Strangeness
Proton #
Neutron #
CharmSlide30
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Nucleus
proton
neutron
Strangeness
(Hyperon/K)Slide31
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Hypernucleusproton
neutron
Hyperon/KSlide32
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Nucleus
proton
neutron
Charm/Bottom
(
Λc
, J/ψ, D, ...
Λb
,
Υ
, B, ...
)Slide33
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Nucleus
proton
neutron
???
Charm/Bottom
(
Λc
, J/ψ, D, ...
Λb
,
Υ
, B, ...
)Slide34
2. Exotic heavy hadrons
from QGP / Exotic Charm/Bottom Nuclei
N
D (B)
??
Q. What is the interaction between D (B) and N ?Slide35
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom NucleiN
KK
N
SU(3)
N
D
D
N
N
B
B
N
Weinberg-
Tomozawa
SU(4)
SU(5)
Lutz-
Kolomeitsev
(2004), Hoffmann-Lutz (2005),
Mizutani
-Ramos (2006),
Gamermann
-
Oset-Strottman-Vacas
(2007),
Haidenbauer-Krein-Meissner-Sibirtsev
(2007), ...
Strangeness, Charm, Bottom, ...Slide36
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
D
B
K
K*
D*
B*
400
MeV
140
MeV
45
MeV
D* and B* are new ingredients!
500
MeV
1870
MeV
5280
MeV
K* is almost irrelevant in dynamics.
Strangeness, Charm, Bottom, ...Slide37
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
D
B
K
K*
D*
B*
400
MeV
140
MeV
45
MeV
D* and B* are new ingredients!
Chiral
Symmetry
Heavy Quark Symmetry
500
MeV
1870
MeV
5280
MeV
K* is almost irrelevant in dynamics.
Strangeness, Charm, Bottom, ...Slide38
KN interaction D(B)N interaction
N
K
K
N
p
,
ω
,
ρ
Weinberg-
Tomozawa
One
pion
exchange potential
(OPEP)
N
D
D*
N
p
N
B
B*
N
p
One
pion
is absent.
(short range force)
One
pion
is present.
(long range force)
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
NucleiSlide39
N
K
K
N
p
,
ω
,
ρ
Weinberg-
Tomozawa
One
pion
exchange potential
(OPEP)
N
D*
D
N
p
N
B*
B
N
p
One
pion
is absent.
(short range force)
One
pion
is present.
(long range force)
KN interaction D(B)N interaction
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
NucleiSlide40
N
K
K
N
p
,
ω
,
ρ
Weinberg-
Tomozawa
One
pion
exchange potential
(OPEP)
N
D*
D*
N
p
N
B*
B*
N
p
One
pion
is absent.
(short range force)
One
pion
is present.
(long range force)
KN interaction D(B)N interaction
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
NucleiSlide41
One pion exchange potential (OPEP)
N
B
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
N
D
D*
N
p
S-wave
S-wave
S-wave
S-wave
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide42
One pion exchange potential (OPEP)
N
B
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
N
D
D*
N
p
S-wave
D-wave
D-wave
S-wave
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide43
One pion exchange potential (OPEP)
N
B*
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
N
D*
D*
N
p
S-wave
S-wave
S-wave
S-wave
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide44
One pion exchange potential (OPEP)
N
B*
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
N
D*
D*
N
p
S-wave
D-wave
D-wave
S-wave
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide45
One pion exchange potential (OPEP)
N
B*
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
N
D*
D*
N
p
D-wave
D-wave
D-wave
D-wave
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide46
One pion exchange potential (OPEP)
N
B*
B*
N
p
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
DN and BN bound states J
P=1/2- (I=0)
N
D*
D*
N
p
D-wave
D-wave
D-wave
D-wave
Similarly
→
J
P
=1/2
-
(I=1) and J
P
=3/2
-
(I=0, 1) Slide47
BN bound state
15
MeV
2
MeV
KN (
pentaquark
?)
threshold
100
MeV
cqqqq
bqqqq
sqqqq
Strangeness
Charm
Bottom
DN bound state
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide48
BN bound state
15
MeV
2
MeV
KN (
pentaquark
?)
threshold
100
MeV
cqqqq
bqqqq
sqqqq
Strangeness
Charm
Bottom
DN bound state
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
|
DN
; I=0> = |D
-
p
> + |D
0
n> + |D*
-
p
> + |D*
0
n>
K
+
π
-
π
-
p
weak decay
D*
→D
π
is
closed
.
DN and BN
bound
states
J
P
=1/2
-
(I=0)Slide49
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Λ(1405)
KN
πΣ
1433
MeV
1330
MeV
ΞN
ΛΛ
2255
MeV
2230MeV
H
dibaryon
BN
6217MeV
BN state
DN
2807MeV
DN state
B.E. 15
MeV
B.E. 2
MeVSlide50
2. Exotic heavy hadrons from QGP / Exotic
Charm/Bottom Nuclei
Λ(1405)
KN
πΣ
1433
MeV
1330
MeV
ΞN
ΛΛ
2255
MeV
2230MeV
H
dibaryon
BN
6217MeV
BN state
DN
2807MeV
DN state
K
nuclei
Hypernuclei
Charm/Bottom nuclei
B.E. 15
MeV
B.E. 2
MeVSlide51
Exotic Charm/Bottom Nuclei
A=2
charmed (
bottom
)
nucleus
?
D (B)
N
N
Q. Are there exotic nuclei with D (B) ?
2.
Exotic
heavy
hadrons from QGP / Exotic
Charm/Bottom NucleiSlide52
DNN and BNN systems
D
(*)
N
N
Classification of states
J
P
=0
-
J
P
=1
-I=1/2
I=3/2I=1/2
I=3/2|D(NN)S=0,I=1> + |D*(NN)S=1,I=0>
|D(NN)S=0,I=1>
|D(NN)S=1,I=0> + |D*(NN)S=1,I=0> +|D*(NN)S=0,I=1
>|D(NN)
S=0,I=1>S=1/2I=0
S=1/2I=0
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
NucleiSlide53
DNN and BNN systemsClassification of statesJP
=0-J
P=1-I=1/2
I=3/2
I=1/2
I=3/2
|D(NN)
S=0,I=1
> + |D*(NN)
S=1,I=0
>
|D(NN)
S=0,I=1
>|D(NN)S=1,I=0> + |D*(NN)
S=1,I=0> +|D*(NN)S=0,I=1>|D(NN)
S=0,I=1>3/4
1/40
1/4
1/6
1/40
Fraction of (D(*)
N)
S=1/2,I=0
2.
Exotic
heavy
hadrons
from
QGP /
Exotic
Charm/Bottom
Nuclei
D
(
*
)
N
N
S=1/2
I=0
S=1/2
I=0Slide54Slide55
3. Discussion and Summary
Exotic
Hadrons
Charm/Bottom
Nuclei
Diquarks
in QGP
→
ud
diquarks
in
sQGP
→
Tcc
,
Θcs
,
Hc
, ...
→ DN and BN
states
Heavy Quark
LHC
Belle,
Babar
J-PARC
GSI
RHIC
Λ
3
H in HIC
→
D
3
H,
D
3
He ?Slide56Slide57
3. DiscussionSymmetry
Dynamics
MatterSU(3)f
HQS
Flavor
s
c
(
b)
C
hiral
D
ynamics
HQET/NRQCD???
Λ*,
K-nuclei,
Hypernuclei
Mass
0.12 GeV
1.3 (4.2) GeV
What
is
difference
between
s and c (b)?