15-19 November 2021
Europe/Berlin timezone

REF 2021 is the 8th edition in the series of workshops on Resummation, Evolution, Factorization. The workshop focuses on transverse momentum dependent (TMD) parton densities and their connection with Monte Carlo event generators, as well as on the experimental measurements aimed at extracting information on TMD densities at the LHC, HERA and future colliders. The interplay between the necessary factorization theorems, resummation of large logarithms and the corresponding evolution equations are crucial towards higher precision calculations, necessary not only for the understanding of the data recorded by facilities like the LHC but especially for future experiments like the EIC. The workshop is sponsored by European Union's Horizon 2020 research and innovation programme under grant agreement No. 824093 (STRONG 2020).

The workshop takes place online only.


Local Organizing Committee:

Armando Bermúdez Martínez (DESY)

Sara Taheri Monfared (DESY)

Qun Wang (DESY)

Hannes Jung (DESY)

Markus Diehl (DESY)

Armine Rostomyan (DESY)

Advisory Board:

Elke Aschenauer, Daniel Boer, Igor Cherednikov, Markus Diehl, Miguel G. Echevarria, Laurent Favart, Francesco Hautmann, Hannes Jung, Krzysztof Kutak, Piet Mulders, Gunar Schnell, Ignazio Scimemi, Andrea Signori, Pierre Van Mechelen

Confirmed Speakers:


Previous meetings:

7-11 December 2020, Online

25-29 November 2019, Pavia (Italy)

19-23 November 2018, Krakow (Poland)

13-16 November 2017, Madrid (Spain)

7-10 November 2016, Antwerp (Belgium)

2-5 November 2015, Hamburg (Germany)

8-11 December 2014, Antwerp (Belgium)



Notkestraße 85, 22607 Hamburg
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The call for abstracts is open
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Registration for this event is currently open.