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@MASTERSTHESIS{Michel:397155,
      author       = {Michel, Johannes},
      othercontributors = {Kulesza, Anna and Tackmann, Frank},
      title        = {{T}ransverse {M}omentum {R}esummation at {F}orward
                      {R}apidities and {I}ts {A}pplications to {LHC} {P}hysics},
      school       = {WWU Muenster},
      type         = {Masterarbeit},
      reportid     = {PUBDB-2017-13225},
      pages        = {155},
      year         = {2017},
      note         = {Masterarbeit, WWU Muenster, 2017},
      abstract     = {Differential measurements in the LHC precision era require
                      precise theoretical predictions to match.One class of
                      important observables are transverse momentum ($q_T$)
                      distributions of color-singlet final states such as the
                      Higgs boson or Drell-Yan lepton pairs.Related observables
                      are color-singlet production cross sections with a jet veto,
                      e.g. a cut $p_T^\mathrm{jet} < p_T^\mathrm{cut}$ on the
                      transverse momentum of the leading jet.For both cases,
                      well-known factorization theorems exist to describe the
                      cross section at central rapidity or, equivalently,
                      integrated in rapidity.These factorization theorems enable
                      the all-order resummation of Sudakov logarithms induced by
                      initial-state radiation.We show how to systematically extend
                      the known factorization theorems to the region of forward
                      rapidities,where the kinematic constraint induces additional
                      single logarithms of the distance from kinematic endpoint.We
                      identify three different kinematic regimes that lead to
                      distinct factorization theorems,compute all new ingredients
                      at one-loop order, and discuss RG consistency relations in
                      detail.We analyze the matching between regimes and give a
                      novel argument why one set of power corrections vanishes to
                      all orders in the strong coupling, for both $q_T$ and
                      $p_T^\mathrm{cut}$.This provides all ingredients for a
                      NNLL'$+$NNLO $q_T$ ($p_T^\mathrm{cut}$) resummation analysis
                      fully differential in rapidity. For our numerical analysis
                      we extend the known profile scale framework from jet veto
                      resummation to forward rapidities,permitting a careful
                      analysis of perturbative uncertainties,which to our
                      knowledge is the first application of profile scales to
                      double-differential cross sections.We conclude by presenting
                      numerical results at NNLL($+$NLO) for rapidity spectra with
                      a jet veto for selected LHC processes.},
      cin          = {T},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611) / TA
                      867/1-1 - Precision Theory Predictions for Higgs and
                      New-Physics Measurements at the LHC (209838826)},
      pid          = {G:(DE-HGF)POF3-611 / G:(GEPRIS)209838826},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)19},
      doi          = {10.3204/PUBDB-2017-13225},
      url          = {https://bib-pubdb1.desy.de/record/397155},
}