Exclusive Production of $D^+_s D^-_s$, $D^{*+}_s D^-_s$, and $D^{*+}_s D^{*-}_s$ via $e^+ e^-$ Annihilation with Initial-State-Radiation

del Amo Sanchez, P.; Lees, J.P.; Poireau, V.; Prencipe, E.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Martinelli, M.; Palano, A.; Pappagallo, M.

doi:10.1103/PhysRevD.82.052004

Exclusive Production of $D^+_s D^-_s$ , $D^{+}_s D^-_s$ , and $D^{+}_s D^{*-}_s$ via $e^+ e^-$ Annihilation with Initial-State-Radiation

BaBar

Collaboration

Aug, 2010

12 pages

Published in:

Phys.Rev.D 82 (2010) 052004

e-Print:

1008.0338 [hep-ex]

DOI:

10.1103/PhysRevD.82.052004

PDG:

{{\mathit \psi}{(4160)}}

\rightarrow

{{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s}}}^{-}}

Report number:

SLAC-PUB-14209,
BABAR-PUB-10-015

Experiments:

SLAC-PEP2-BABAR

View in:

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reference search50 citations

Citations per year

Abstract: (arXiv)

We perform a study of exclusive production of

D^+_sD^-_s

,

D^{*+}_sD^-_s

, and

D^{*+}_sD^{*-}_s

final states in initial-state-radiation events from

e^+ e^-

annihilations at a center-of-mass energy near 10.58 GeV, to search for charmonium

1^{--}

states. The data sample corresponds to an integrated luminosity of 525

fb^{-1}

and was recorded by the BaBar experiment at the PEP-II storage ring. The

D^+_sD^-_s

,

D^{*+}_sD^-_s

, and

D^{*+}_sD^{*-}_s

mass spectra show evidence of the known

\psi

resonances. Limits are extracted for the branching ratios of the decays

X(4260)\to D^{(*)+}_sD^{(*)-}_s

.

Note:

12 pages, 6 postscript figures, submitted to Phys. Rev. D

13.66.Bc
14.40.Pq
13.25.Gv
radiation: initial-state interaction
D/s: exclusive production
electron positron: annihilation
X(4260): branching ratio
BaBar
charmed meson: pair production
D/s*(2110): radiative decay

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Exclusive Production of Ds+Ds−D^+_s D^-_sDs+​Ds−​, Ds∗+Ds−D^{*+}_s D^-_sDs∗+​Ds−​, and Ds∗+Ds∗−D^{*+}_s D^{*-}_sDs∗+​Ds∗−​ via e+e−e^+ e^-e+e− Annihilation with Initial-State-Radiation

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Exclusive Production of $D^+_s D^-_s$ , $D^{+}_s D^-_s$ , and $D^{+}_s D^{*-}_s$ via $e^+ e^-$ Annihilation with Initial-State-Radiation