TY - JOUR
T1 - Study of the Exclusive Initial-State-Radiation Production of the DDbar System
AU - Lafferty, George
AU - Bailey, David
AU - Barlow, Nicholas
AU - Barlow, Roger
AU - Chia, Yaw
AU - Edgar, Christina
AU - West, Timothy
AU - Yi, Jong
AU - The BaBar Collaboration
PY - 2008
Y1 - 2008
N2 - A search for charmonium and other new states is performed in a study of exclusive initial-state-radiation production of
D
¯¯¯
D
events from electron-positron annihilations at a center-of-mass energy of 10.58 GeV. The data sample corresponds to an integrated luminosity of
384
fb
−
1
and was recorded by the BABAR experiment at the PEP-II storage ring. The
D
¯¯¯
D
mass spectrum shows clear evidence of the
ψ
(
3770
)
plus other structures near 3.9, 4.1, and
4.4
GeV
/
c
2
. No evidence for
Y
(
4260
)
→
D
¯¯¯
D
is observed, leading to an upper limit of
B
(
Y
(
4260
)
→
D
¯¯¯
D
)
/
B
(
Y
(
4260
)
→
J
/
ψ
π
+
π
−
)
<
1.0
at 90% confidence level.
AB - A search for charmonium and other new states is performed in a study of exclusive initial-state-radiation production of
D
¯¯¯
D
events from electron-positron annihilations at a center-of-mass energy of 10.58 GeV. The data sample corresponds to an integrated luminosity of
384
fb
−
1
and was recorded by the BABAR experiment at the PEP-II storage ring. The
D
¯¯¯
D
mass spectrum shows clear evidence of the
ψ
(
3770
)
plus other structures near 3.9, 4.1, and
4.4
GeV
/
c
2
. No evidence for
Y
(
4260
)
→
D
¯¯¯
D
is observed, leading to an upper limit of
B
(
Y
(
4260
)
→
D
¯¯¯
D
)
/
B
(
Y
(
4260
)
→
J
/
ψ
π
+
π
−
)
<
1.0
at 90% confidence level.
U2 - 10.1103/PhysRevD.76.111105
DO - 10.1103/PhysRevD.76.111105
M3 - Article
SN - 1550-7998
VL - 76
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
IS - 11
M1 - 111105
ER -