• JRG

    JRG - Junior Research Groups

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    Scattering Amplitude and Precision Collider Phenomenology

    Group Introduction

    Precise theoretical predictions are indispensable for interpreting data from collider experiments, such as the Large Hadron Collider (LHC), in particular in our effort to search for hints of new physics at the LHC. Our group aims to develop methods and tools to obtain precise theoretical predictions and perform phenomenological studies for processes analysed at the LHC. We particularly focus on the multi-loop scattering amplitude computation for multi-scale processes as well as phenomenological studies for processes involving final state top quarks, which take into account accurate simulation of the top-quark decay.


    • Professor Heribertus Bayu Hartanto received his BSc from University of Indonesia in 2006, and his PhD from Florida State University in 2013. He held postdoctoral research appointments at RWTH Aachen University, Durham University and University of Cambridge before joining APCTP as a JRG Leader in 2023.

      • 054-279-1472


      • 524



    • Souvik Bera

      Souvik Bera

      • 054-279-1283


      • 532



    Major Publications

    • Next-to-next-to-leading order QCD corrections to Wbb production at the LHC

    • NLO QCD corrections to full off-shell production of tt¯Z including leptonic decays

      • Giuseppe Bevilacqua, Heribertus Bayu Hartanto, Manfred Kraus, Jasmina Nasufi & Malgorzata Worek
      • 2022
      • 1029-8479
      • 10.1007/JHEP08(2022)060
    • Two-Loop QCD Corrections to W b ¯ b Production at Hadron Colliders

    • First Look at Two-Loop Five-Gluon Scattering in QCD