2013
DOI: 10.1007/jhep01(2013)001
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Exclusive vector meson production and small-x evolution

Abstract: The process of exclusive elastic vector meson production in deep inelastic scattering is investigated within the dipole model framework supplemented by the small x evolution. The dipole-proton amplitude is obtained from the nonlinear Balitsky-Kovchegov evolution equation with impact parameter dependence. This dipole amplitude is used to compute the differential cross section for exclusive production of J/Ψ, φ, and ρ vector mesons. These numerical calculations are compared with the wide range of experimental da… Show more

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Cited by 36 publications
(27 citation statements)
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“…Including this effect would require us to either parametrize the proton width B p and try to fit it simultaneously to the HERA data, or solving impact parameter dependent small-x evolution equations such as in Refs. [26][27][28]. We do not want to include exclusive data into our fit due to additional model uncertainties, and we leave it for a future work.…”
Section: Photon-proton Scattering In the Dipole Picturementioning
confidence: 99%
“…Including this effect would require us to either parametrize the proton width B p and try to fit it simultaneously to the HERA data, or solving impact parameter dependent small-x evolution equations such as in Refs. [26][27][28]. We do not want to include exclusive data into our fit due to additional model uncertainties, and we leave it for a future work.…”
Section: Photon-proton Scattering In the Dipole Picturementioning
confidence: 99%
“…To the best of our knowledge, the only available approach using the Balitsky Kovchegov equation has only been performed in ref. [81], and uses the Shuvaev ansatz in the initial condition at low Q 2 . We would like to comment on the fact that kinematically, the notion of skewness does not exist in the Balitsky-Kovchegov approach.…”
Section: Jhep11(2013)062mentioning
confidence: 99%
“…This behavior was curbed by introducing an extra term to the kernel; furthermore, it was necessary to include an extra, so-called soft, contribution in order to describe F 2 (x, Q 2 ) data [22]. With this approach it was also possible to describe the exclusive production of vector mesons in deeply inelastic scattering [23]. These studies were based on a BK equation with a kernel including running coupling corrections [24,25].…”
mentioning
confidence: 99%