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BFKL resummation effects in γ*γ*→ρρ
DOI:10.1140/epjc/s2005-02451-2.png)
摘要
En 中文
We calculate the leading order BFKL amplitude for the exclusive diffractive process gamma(L)*(Q(1)(2))gamma(L)*(Q(2)(2)) -> rho(0)(L)rho(0)(L) in the forward direction, which can be studied in future high energy e(+)e(-) linear colliders. The resummation effects are very large compared to the fixed-order calculation. We also estimate the next-to-leading logarithmic corrections to the amplitude by using a specific resummation of higher order effects and find a substantial growth with energy, but smaller than in the leading logarithmic approximation.
Keyword:
VECTOR-MESON PHOTOPRODUCTION
LARGE MOMENTUM-TRANSFER
TOTAL CROSS-SECTION
DIFFRACTIVE PHOTOPRODUCTION
GAMMA-GAMMA
QCD POMERON
ASTERISK
ELECTROPRODUCTION
SCATTERING
COLLISIONS
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期刊
IF:
4.8
论文数:
1.8W
被引数:
4.7W
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