Loops and Legs in Quantum Field Theory

27 Apr 2014, 16:00 → 2 May 2014, 15:00 Europe/Berlin

Weimar

12th Workshop organized by Theory Group, DESY, Zeuthen 

Photo: Robert Hamilton Bowen, Jena

Sunday 27 April

16:00 → 21:00 Registration

18:00 → 19:30 Dinner

19:30 → 20:30 Reception

Monday 28 April

09:00 → 09:05 Opening

09:05 → 10:35 Plenary 1

09:05 Jets in pp at NNLO

Speaker: N. Glover

Slides 01-glover.pdf

09:35 Towards differential Top-anti-top pair production at NNLO

Speaker: A. Gehrmann-De Ridder

Slides 02-gehrmann.pdf

10:05 Two-loop corrections to tt and VV production

Speaker: A. von Manteuffel

Slides 03-manteuffel.pdf

10:35 → 11:05 Coffee break

11:05 → 13:05 Plenary 1

11:05 Towards Higgs production at N³LO

Speaker: C. Duhr

Slides 04-duhr.pdf

11:35 VFN scheme for event shape distributions and final state jets

Speaker: A. Hoang

Slides 05-hoang.pdf

12:05 Top and bottom production near threshold at third order

Speaker: M. Beneke

Slides 06-beneke.pdf

12:35 Progress on Multiloop Scattering Amplitudes

Speaker: P. Mastrolia

Slides 07-mastrolia.pdf

13:05 → 14:30 Lunch

14:30 → 16:00 Plenary 2

14:30 Vector boson pair production on and off the Higgs boson resonance

Speaker: R.K. Ellis

Slides 08-ellis.pdf

15:00 NLO corrections to Z production in association with several jets

Speaker: S. Weinzierl

Slides 09-weinzierl.pdf

15:30 Multi-loop integrand reduction techniques

Speaker: S. Badger

Slides 10-badger.pdf

16:00 → 16:30 Coffee break

16:30 → 18:00 Plenary 2

16:30 Universality in W+Jet Production

Speaker: D. Kosower

Slides 11-kosower.pptx

17:00 Improving Higgs predictions with resummation

Speaker: F. Petriello

Slides 12-petriello.pdf

17:30 DIS sum rules in four loops:news and update

Speaker: K. Chetyrkin

Slides 13-chetyrkin.pdf

18:00 → 19:00 Dinner

20:00 → 21:00 Concert

Tuesday 29 April

09:00 → 10:30 Parallel 1

09:00 Three-loop beta function for the Higgs self-coupling

Speaker: M. Zoller

Slides 01-zoller.pdf

09:30 New contributions to the structure function F₂(x,Q²) by two masses

Speaker: F. Wissbrock

Slides Wissbrock.pdf

10:00 Three-loop cusp anomalous dimension in QCD

Speaker: J. Henn

Slides jmh_LL2014.pdf

09:00 → 10:30 Parallel 2

09:00 Automated one-loop calculations with GoSam 2.0

Speaker: G. Heinrich

Slides 1-heinrich.pdf

09:30 Next-to-leading order simulations with Sherpa+OpenLoops

Speaker: P. Maierhöfer

Slides 2-maierhoefer.pdf

10:00 Automatizing one-loop computation in the SM with RECOLA

Speaker: S. Uccirati

Slides 3-uccirati.pdf

10:30 → 11:00 Coffee break

11:00 → 13:00 Parallel 1

11:00 Recent Symbolic Summation Methods to Solve Coupled Systems of Differential and Difference Equations

Speaker: C. Schneider

Slides 04-schneider.pdf

11:30 Evaluating multiloop Feynman integrals by differential equations

Speaker: V. Smirnov

Slides 05-smirnov.pdf

12:00 Computer Algebra and Analytic aspects of Nested Sums

Speaker: J. Ablinger

Slides 06-ablinger.pdf

12:30 Nested (inverse) binomial sums and new iterated integrals for massive Feynman diagrams

Speaker: C. Raab

Slides 07-raab.pdf

11:00 → 13:00 Parallel 2

11:00 Four-dimensional formulation of the sector improved residue subtraction

Speaker: D. Heymes

Slides 4-heymes.pdf

11:30 A unified NLO description of top-pair and associated Wt production

Speaker: S. Kallweit

Slides 5-kallweit.pdf

12:00 Vector boson pair production at NNLO

Speaker: M. Grazzini

Slides 6-grazzini.pdf

12:30 Next-to-Leading Order QCD Corrections to Electroweak Higgs Boson Production in Association of Three Jets at the LHC

Speaker: T. Figy

Slides 7-figy.pdf

13:00 → 14:30 Lunch

14:30 → 16:00 Parallel 3

14:30 New results for precision Higgs physics

Speaker: Z. Trocsanyi

Slides 01-trocsanyi.pdf

15:00 Next-to-Next-to-Leading Order QCD Corrections to Higgs Boson Pair Production

Speaker: J. Mazitelli

Slides 02-mazzitelli.pdf

15:30 Higgs boson pair production at the LHC

Speaker: J. Hoff

Slides 03-hoff.pdf

14:30 → 16:00 Parallel 4

14:30 GRACE for ILC

Speaker: J. Fujimoto

Slides 1-fujimoto.pdf

15:00 New Developments in FormCalc

Speaker: T. Hahn

Slides 2-hahn.pdf

15:30 New applications of CARLOMAT

Speaker: K. Kolodziej

Slides 3-kolodziej.pdf

16:00 → 16:30 Coffee break

16:30 → 18:00 Parallel 3

16:30 Fully automated Calculations in the cMSSM (and Applications)

Speaker: S. Heinemeyer

Slides 04-heinemeyer.pdf

17:00 Higher-order contributions in Higgs sectors of supersymmetric models

Speaker: H. Rzehak

Slides 05-rzehak.pdf

17:30 Momentum Dependent Two-Loop Corrections to the Neutral Higgs Boson Masses in the MSSM

Speaker: S. Borowka

Slides 06-borowka.pdf

16:30 → 18:00 Parallel 4

16:30 Non-leptonic B-decays at two-loops in QCD

Speaker: T. Huber

Slides 4-huber.pdf

17:00 Recent progress in higher order computations for the physics of the Higgs boson

Speaker: F. Tramontano

Slides 5-tramontano.pdf

17:30 Summing Large-N Towers in Colour Flow Evolution

Speaker: S. Plätzer

Slides platzer.pdf

18:00 → 19:00 Dinner

Wednesday 30 April

09:00 → 10:30 Plenary 3

09:00 The three-loop splitting functions in QCD: the helicity-dependent case

Speaker: A. Vogt

Slides 01-vogt.pdf

09:30 Recent progress on the calculation of three-loop heavy flavor Wilson coefficients in DIS

Speaker: A. De Freitas

Slides 02-defreitas.pdf

10:00 Rare B meson decays to NNLO

Speaker: M. Steinhauser

Slides steinhauser.pdf

10:30 → 11:00 Coffee break

11:00 → 13:00 Plenary 3

11:00 Higgs Effective Field Theory

Speaker: G. Passarino

Slides 04-passarino.pdf

11:30 Recent Advances from SCET

Speaker: I. Stewart

Slides 05-stewart.pdf

12:00 O(α α_s) corrections to Drell-Yan processes in the resonance region

Speaker: S. Dittmaier

Slides 06-dittmaier.pdf

12:30 One-loop Single Real Emission Contributions to Inclusive Higgs Production at NNNLO

Speaker: W. Kilgore

Slides 07-kilgore.pdf

13:00 → 14:00 Lunch

14:00 → 17:00 Excursion

17:00 → 17:30 Afternnoon Tea

18:00 → 19:00 Dinner

Thursday 1 May

09:00 → 10:30 Parallel 5

09:00 What can we learn from Knizhnik-Zamolodchikov Equations?

Speaker: D. Kreimer

Slides 01-kreimer.pdf

09:30 Evolution equations beyond one loop from conformal symmetry

Speaker: A. Manashov

Slides 02-manashov.pdf

10:00 Feynman integrals via hyperlogarithms

Speaker: E. Panzer

Slides 03-panzer.pdf

09:00 → 10:30 Parallel 6

09:00 Determination of the top quark mass

Speaker: S. Moch

Slides 01-moch.pdf

09:30 NNLO antenna subtraction for heavy quark pair production

Speaker: O. Dekkers

Slides 02-dekkers.pdf

10:00 Bottom Quark Mass from Υ-Sum Rules to O(α_s³)

Speaker: N. Zerf

Slides LL14zerf.pdf

10:30 → 11:00 Coffee break

11:00 → 13:00 Parallel 5

11:00 Electroweak precision tests in the LHC era and beyond

Speaker: A. Freitas

Slides 04-freitas.pdf

11:30 High order heavy leptonic and hadronic contributions to the anomalous magnetic moment

Speaker: T. Liu

Slides 05-liu.pdf

12:00 Non-planar diagrams and Mellin-Barnes representations

Speaker: J. Gluza

Slides 06-gluza.pdf

12:30 Schouten identities and the two-loop sunrise graph

Speaker: L. Tancredi

Slides 07-tancredi.pdf

11:00 → 13:00 Parallel 6

11:00 Helicity amplitudes with off-shell partons

Speaker: A. van Hameren

Slides 04-vanHameren.pdf

11:30 Electroweak corrections to hadronic Z + 2 jets production

Speaker: A. Denner

Slides 05-denner.pdf

12:00 The new PV prescription for IR singularities in NLO splitting functions

Speaker: M. Skrzypek

Slides skrzypek.pdf

12:30 Soft and Coulomb resummation for squark and gluino production

Speaker: Jan Piclum

Slides 07-piclum.pdf

13:00 → 14:30 Lunch

14:30 → 16:00 Parallel 7

14:30 Two loop structure of QCD vertices

Speaker: J. Gracey

Slides 01-gracey.pdf

15:00 Universality of transverse-momentum resummation and hard factors at the NNLO

Speaker: L. Cieri

Slides 02-cieri.pdf

15:30 Color decomposition of multi-quark one-loop QCD amplitudes

Speaker: C. Reuschle

Slides 03-reuschle.pdf

14:30 → 16:00 Parallel 8

14:30 The loop-tree duality at work

Speaker: G. Rodrigo

Slides 01-rodrigo.pdf

15:00 Two-loop corrections to (g-2) muon in SM and MSSM

Speaker: H. Stöckinger-Kim

Slides 02-stoeckinger-kim.pdf

15:30 Quark and gluon spin-2 form factors to two loops in QCD

Speaker: V. Ravindran

Slides 03-ravindran.pdf

16:00 → 16:30 Coffee break

16:30 → 18:00 Parallel 7

16:30 High multiplicity processes with BlackHat and Sherpa

Speaker: D. Maitre

Slides 04-maitre.pdf

17:00 Higher-order QCD effects for associated VH production and decay at the LHC

Speaker: G. Ferrera

Slides 05-ferrera.pdf

17:30 Resummed Higgs p_T distribution at NNLL + NNLO in bottom fusion

Speaker: A. Tripathi

Slides 06-tripathi.pdf

16:30 → 18:00 Parallel 8

16:30 Long-distance singularities at three loops

Speaker: E. Gardi

Slides 04-gardi.pdf

17:00 Recent new methods and applications of the differential equation approach to master integrals

Speaker: C. Wever

Slides 05-wever.pdf

17:30 COLLIER: A Fortran library for tensor integrals

Speaker: L. Hofer

Slides 06-hofer.pdf

19:30 → 22:30 Banquet

Friday 2 May

09:00 → 10:30 Plenary 4

09:00 Progress on the infrared structure of multi-particle gauge theory amplitudes

Speaker: L. Magnea

Slides 01-magnea.pdf

09:30 Testing Quantum Electrodynamics with Positronium State

Speaker: A. Penin

Slides 02-penin.pdf

10:00 Xtreme manipulations

Speaker: J. Vermaseren

Slides 03-vermaseren.pdf

10:30 → 11:00 Coffee break

11:00 → 12:30 Plenary 4

11:00 Two-loop results on the renormalization of vacuum expectation values, infrared divergences, and the muon g-2

Speaker: D. Stöckinger

Slides 04-stoeckinger.pdf

11:30 Bootstrapping six-gluon scattering in planar N=4 super-Yang-Mills theory

Speaker: L. Dixon

Slides 05-dixon.pptx

12:00 Algebraic geometry informs perturbative quantum field theory

Speaker: D. Broadhurst

Slides 06-broadhurst.pdf

12:30 → 14:00 Lunch