Unequal rapidity correlators in the dilute limit of JIMWLK
Lappi, T., & Ramnath, A. (2019). Unequal rapidity correlators in the dilute limit of JIMWLK. In DIS 2019 : Proceedings of the XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (Article 068). Sissa. POS Proceedings of Science, 352. https://doi.org/10.22323/1.352.0068
Published inPOS Proceedings of Science
© The Author(s) 2019
We study unequal rapidity correlators in the stochastic Langevin picture of Jalilian-Marian– Iancu–McLerran–Weigert–Leonidov–Kovner (JIMWLK) evolution in the Color Glass Conden- sate effective field theory. By separately evolving the Wilson lines in the direct and complex conjugate amplitudes, we use the formalism to study two-particle production at large rapidity separations. We show that the evolution between the rapidities of the two produced particles can be expressed as a linear equa- tion, even in the full nonlinear limit. We also show how the Langevin formalism for two-particle correlations reduces to a BFKL picture in the dilute limit and in momentum space, providing an interpretation of BFKL evolution as a stochastic process for color charges.
ConferenceInternational Workshop on Deep-Inelastic Scattering and Related Subjects
Is part of publicationDIS 2019 : Proceedings of the XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects
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Related funder(s)Academy of Finland; European Commission
Funding program(s)Research costs of Academy Research Fellow, AoF; Research post as Academy Research Fellow, AoF
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Additional information about fundingT. L. has been supported by the Academy of Finland, projects No. 267321 and No. 303756. A. R. is supported by the National Research Foundation of South Africa. This work has been supported by the European Research Council, grant ERC-2015-CoG-681707.
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