Diffractive Dijet Production in Deep Inelastic Scattering and Photon-Hadron Collisions in the Color Glass Condensate - INSPIRE

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Diffractive Dijet Production in Deep Inelastic Scattering and Photon-Hadron Collisions in the Color Glass Condensate

Tolga Altinoluk
(
- Santiago de Compostela U. and
- Santiago de Compostela U., IGFAE
)
,
Néstor Armesto
(
- Santiago de Compostela U. and
- Santiago de Compostela U., IGFAE
)
,
Guillaume Beuf
(
- ECT, Trento and
- Ben Gurion U. of Negev
)
,
Amir H. Rezaeian
(
- CCTVal, Valparaiso and
- Santa Maria U., Valparaiso
)

Nov 23, 2015

11 pages

Published in:

Phys.Lett.B 758 (2016) 373-383

Published: Jul 10, 2016

e-Print:

1511.07452 [hep-ph]

DOI:

10.1016/j.physletb.2016.05.032

View in:

ADS Abstract Service

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Abstract: (Elsevier)

We study exclusive dijet production in coherent diffractive processes in deep inelastic scattering and real (and virtual) photon-hadron ( γ(⁎) -h) collisions in the Color Glass Condensate formalism at leading order. We show that the diffractive dijet cross section is sensitive to the color-dipole orientation in the transverse plane, and is a good probe of possible correlations between the qq¯ -dipole transverse separation vector r and the dipole impact parameter b . We also investigate the diffractive dijet azimuthal angle correlations and t -distributions in γ(⁎) -h collisions and show that they are sensitive to gluon saturation effects in the small- x region. In particular, we show that the t -distribution of diffractive dijet photo-production off a proton target exhibits a dip-type structure in the saturation region. This effect is similar to diffractive vector meson production. Besides, at variance with the inclusive case, the effect of saturation leads to stronger azimuthal correlations between the jets.

Note:

15 pages, 10 figures; v2: a clarifying Appendix added, 3 new plots added, references added. The version to appear in PLB

dijet: production
photon hadron: scattering
vector meson: production
gluon: saturation
p: target
diffraction
deep inelastic scattering
color glass condensate
correlation
transverse

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