Exclusive $D \bar D$ meson pair production in peripheral ultrarelativistic heavy ion collisions - INSPIRE

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Exclusive $D \bar D$ meson pair production in peripheral ultrarelativistic heavy ion collisions

M. Luszczak
(
- Rzeszow U.
)
,
A. Szczurek
(
- Cracow, INP and
- Rzeszow U.
)

Mar, 2011

11 pages

Published in:

Phys.Lett.B 700 (2011) 116-121

e-Print:

1103.4268 [nucl-th]

DOI:

10.1016/j.physletb.2011.04.050

View in:

ADS Abstract Service

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Abstract: (Elsevier)

The cross sections for exclusive D+D− and D0D¯0 meson pair production in peripheral nucleus–nucleus collisions are calculated and several differential distributions are presented. The calculation of the elementary γγ→DD¯ cross section is done within the heavy-quark approximation and in the Brodsky–Lapage formalism with distribution amplitudes describing recent CLEO data on leptonic D+ decay. Realistic (Fourier transform of charge density) charge form factors of nuclei are used to generate photon flux factors. Absorption effects are discussed and quantified. The cross sections of a few nb are predicted for RHIC and of a few hundreds of nb for LHC with details depending on the approximation made in calculating elementary γγ→DD¯ cross sections.

Note:

11 pages, 8 figures

25.75.Dw
25.20.Lj
25.75.-q
Ultraperipheral heavy-ion collisions
Photon-photon collisions
Exclusive D D macron production
Photon–photon collisions
Exclusive DD¯ production
Exclusive [formula omitted] production
D: pair production

References(16)

Figures(0)

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