Systematics of strong nuclear amplification of gluon saturation from exclusive vector meson production in high energy electron–nucleus collisions
Mäntysaari, H., & Venugopalan, R. (2018). Systematics of strong nuclear amplification of gluon saturation from exclusive vector meson production in high energy electron–nucleus collisions. Physics Letters B, 781, 664-671. https://doi.org/10.1016/j.physletb.2018.04.044
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Physics Letters BDate
2018Copyright
© 2018 The Author(s). Published by Elsevier B.V. Funded by SCOAP3.
We show that gluon saturation gives rise to a strong modification of the scaling in both the nuclear mass number A and the virtuality Q 2 of the vector meson production cross-section in exclusive deep-inelastic scattering off nuclei. We present qualitative analytic expressions for how the scaling exponents are modified as well as quantitative predictions that can be tested at an Electron–Ion Collider.
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We thank L. McLerran and T. Schäfer for asking the questions that inspired this note. We also thank T. Ullrich for useful discussions. H.M. was supported under DOE Contract No. DE-SC0012704 and European Research Council, Grant ERC-2015-CoG-681707. R.V.'s work is supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under contract No. DE-SC0012704.License
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