Loops and Legs in Quantum Field Theory

Apr 24, 2016, 6:00 PM → Apr 29, 2016, 2:30 PM Europe/Berlin

Leipzig

13th Workshop organized by the Theory Group, DESY, Zeuthen 

Omika @ fotolia.com

Sunday, April 24

6:00 PM → 7:00 PM Dinner

7:30 PM → 9:00 PM Reception

Monday, April 25

9:00 AM → 10:35 AM Plenary 1

9:00 AM Welcome

Speaker: Tord Riemann (DESY)

9:05 AM Results from slicing methods for NNLO calculations

Speaker: Keith Ellis

Slides 02_Ellis_LL2016.pdf

9:35 AM NLO Standard model effective field theory for Higgs and EW precision data

Speaker: Giampiero Passarino

Slides LL16_Passarino.pdf

10:05 AM Integrand reduction techniques for NLO calculations and beyond

Speaker: Giovanni Ossola

Slides 04_Ossola_LoopsLegs2016.pdf

10:35 AM → 11:05 AM Coffee Break

11:05 AM → 1:05 PM Plenary 1

11:05 AM Algorithms to solve coupled differential systems in terms of power series

Speaker: Carsten Schneider

Slides 05_Schneider.pdf

11:35 AM Local integrands for two-loop QCD amplitudes

Speaker: Simon David Badger

Slides 06_Badger_SB_LL2016.pdf

12:05 PM On the integrand decomposition of multi-loop amplitudes

Speaker: Pierpaolo Mastrolia

Slides mastrolia_LL2016.pdf

12:35 PM Multijet merging for vector boson plus jets production including electroweak corrections

Speaker: Philipp Maierhoefer

Slides 08_maierhoefer.pdf

1:05 PM → 2:30 PM Lunch

2:30 PM → 4:00 PM Plenary 2

2:30 PM Four-loop corrections to the MSbar-OS quark mass relation and the anomalous magnetic moment of the muon

Speaker: Matthias Steinhauser

Slides fp_gm2_ll16.pdf

3:00 PM Multiloop Renormalization Group: new results

Speaker: Konstantin Chetyrkin

Slides 02_Chetyrkin_LL16.pdf

3:30 PM Computation of Heavy Quarkonium Spectrum in Perturbative QCD

Speaker: Yukinari Sumino

Slides 03_Sumino_CompSpect.pdf

4:00 PM → 4:30 PM Cofee Break

4:30 PM → 6:00 PM Plenary 2

4:30 PM Higher-order corrections in non-minimal supersymmetric models

Speaker: Dominik Stoeckinger

Slides 04_Stoeckinger_2016April.pdf

5:00 PM Precision calculations for extended Higgs sectors with and without supersymmetry

Speaker: Wolfgang Hollik

Slides 05_hollik.pdf

5:30 PM SUSY Higgs-mass predictions: full model vs. effective field theory approach

Speaker: Sven Heinemeyer (IFCA (CSIC, Santander))

Slides sven.pdf

6:00 PM → 7:00 PM Dinner

Tuesday, April 26

9:00 AM → 10:30 AM Plenary A1

9:00 AM Divector Boson Production with Jets at the LHC. Updates from the BlackHat LIbrary

Speaker: Fernando Febres Cordero

Slides LL_Apr_2016.pdf

9:30 AM High multiplicity processes at NLO

Speaker: Daniel Maitre

Slides 02_Maitre_NNLOnTuples.pdf

10:00 AM Towards a numerical unitarity approach for two-loop amplitudes in QCD

Speaker: Harald Ita

Slides LL2016.pdf

9:00 AM → 10:30 AM Plenary B1

9:00 AM Evaluating multi-loop Feynman integrals using differential equations: automatizing the transformation to a canonical basis

Speaker: Christoph Meyer

Slides ChristophMeyer_LL2016.pdf

9:30 AM Integration-by-parts reductions from unitarity cuts and algebraic geometry

Speaker: Kasper Larsen

Slides Talk_Loops_and_Legs_2016.pdf

10:00 AM Master integrals for splitting functions from differential equations in QCD

Speaker: Oleksandr Gituliar

Slides gituliar-LL16.pdf

10:30 AM → 11:00 AM Coffee Break

11:00 AM → 1:00 PM Plenary A1

11:00 AM Electroweak corrections to gauge-boson pair production processes at the LHC including leptonic W/Z decays

Speaker: Stefan Dittmaier

Slides pp4l_ll16.pdf

11:30 AM Progress in off-shell amplitudes

Speaker: Andreas van Hameren

Slides 05_vanHameren.pdf

12:00 PM New simpler methods of matching NLO corrections with parton shower Monte Carlo

Speaker: Stanislaw Jadach

Slides 2016-leipzig-jadach-v3.pdf

12:30 PM Completely local fully differential subtractions at NNLO

Speaker: Gabor Somogyi

Slides CoLoRFulNNLO_LL_2016.pdf

11:00 AM → 1:00 PM Plenary B1

11:00 AM The sunrise integral and elliptic polylogarithms

Speaker: Christian Bogner

Slides 04_Bogner_LL2016.pdf

11:30 AM Differential equations and dispersion relations for the sunrise amplitudes

Speaker: Lorenzo Tancredi

Slides 05_Tancredi_LL2016.pdf

12:00 PM Numerical integration of massive two-loop Mellin-Barnes integrals in Minkowskian regions

Speaker: Janusz Gluza

Slides 06_Gluza_ll2016gluza.pdf

12:30 PM From elliptic iterated integrals to elliptic multiple zeta values

Speaker: Johannes Brödel

Slides talk_160426.pdf

1:00 PM → 2:30 PM Lunch

2:30 PM → 4:00 PM Plenary A2

2:30 PM How to exploit canonical bases for $gg\rightarrow H$ at NNNLO

Speaker: Alexander Hasselhuhn

Slides Hasselhuhn.pdf

3:00 PM NLO corrections to Higgs boson pair production in gluon fusion

Speaker: Matthias Kerner

Slides LandL_Kerner_v1.1

3:30 PM Top quark mass effects in Higgs boson pair production up to NNLO

Speaker: Jens Hoff

Slides double-higgs.pdf

2:30 PM → 4:00 PM Plenary B2

2:30 PM Cutkosky Rules from Outer Space

Speaker: Dirk Kreimer

Slides 01_Kreimer_LL2016Kreimer.pdf

3:00 PM A planar four-loop form factor and cusp anomalous dimension in QCD

Speaker: Vladimir Smirnov

Slides 02_Smirnov.pdf

3:30 PM Applications of the loop-tree duality

Speaker: German Rodrigo

Slides 2016_04_rodrigo_duality_LoopsLegs.pdf

4:00 PM → 4:30 PM Coffee Break

4:30 PM → 6:00 PM Plenary A2

4:30 PM Two-Loop integrals for precision Higgs boson phenomenology

Speaker: Francesco Moriello

Slides Moriello_LL2016.pdf

5:00 PM Pseudo-scalar Higgs form factor at 3 loops and QCD N3LO threshold corrections to its production at the LHC

Speaker: Vajravelu Ravindran

Slides RaviLL16.pdf

5:30 PM The Higgs boson at high pT: Finite top-mass improved results

Speaker: Tobias Neumann

Slides TobiasNeumann.html

4:30 PM → 6:00 PM Plenary B2

4:30 PM The coaction on phi^4 periods and the six-loop beta function

Speaker: Erik Panzer

Slides talk.pdf

5:00 PM On a four loop form factor in N=4

Speaker: Rutger Boels

Slides BOELS.pdf

5:30 PM On the evaluation and reduction of generalized polylogarithms

Speaker: Hjalte Frellesvig

Slides leipzig.pdf

6:00 PM → 7:00 PM Dinner

8:00 PM → 9:30 PM Concert

Wednesday, April 27

9:00 AM → 10:30 AM Plenary 3

9:00 AM PDFs, \alpha_s, and quark masses from the global fits

Speaker: Sergey Alekhin

Slides alekhin.pdf

9:30 AM 3-Loop Heavy Flavour Corrections to Deep-Inelastic Scattering

Speaker: Arnd Behring

Slides ll2016-talk.pdf

10:00 AM Higgs production at N3LO

Speaker: Babis Anastasiou

Slides Anastasiou_LL2016.pdf

10:30 AM → 11:00 AM Coffee Break

11:00 AM → 12:30 PM Plenary 3

11:00 AM Precise predictions for Higgs production in association with top quarks

Speaker: Ansgar Denner

Slides ll16.pdf

11:30 AM Differential distributions for top-quark pair production at NNLO

Speaker: David Heymes

Slides heymes_LL2016.pdf

12:00 PM Top Quark Pair Production in Association with a Jet with NLO QCD Off-Shell Effects

Speaker: Malgorzata Worek

Slides mworek_ll2016.pdf

12:30 PM → 2:00 PM Lunch

2:30 PM → 4:30 PM Excursion

4:30 PM → 5:00 PM Coffee Break

6:00 PM → 7:00 PM Dinner

7:30 PM → 8:30 PM Evening Session

7:30 PM Deciphering the Higgs Boson: New Results from the LHC

Speaker: Christian Weiser

Slides CWeiser_LLQFT.pdf

Thursday, April 28

9:00 AM → 10:30 AM Plenary A3

9:00 AM Alpha_s from the total cross section of electron-positron annihilation into hadrons

Speaker: Johann Kühn

Slides 01_Kuehn_LoopsLegs_2016.pdf

9:30 AM Light quark mass effects in Higgs boson production in gluon fusion

Speaker: Alexander Penin

Slides penin_ll16.pdf

10:00 AM Electroweak corrections to top pair production near threshold

Speaker: Andreas Maier

Slides talk.pdf

9:00 AM → 10:30 AM Plenary B3

9:00 AM Charm hadroproduction in the atmosphere, QCD and neutrino astronomy

Speaker: Sven Moch

Slides sven_moch.pdf

9:30 AM Precision Measurement of sin^2 theta_w at MESA

Speaker: Hubert Spiesberger

Slides spiesber-ll16.pdf

10:00 AM HERWIRI2.1: Electroweak Corrections for Hadron Scattering

Speaker: Scott Yost

Slides yost-ll16-v2.pdf

10:30 AM → 11:00 AM Coffee Break

11:00 AM → 1:00 PM Plenary A3

11:00 AM The pentabox master integrals with the simplified differential equations approach

Speaker: Costas Papadopoulos

Slides ll2016.pdf

11:30 AM Two-loop five-point integrals in massless QCD

Speaker: Nicola Adriano Lo Presti

Slides lopresti-LL-16.pdf

12:00 PM Gluon form factor decompositions from the worldline formalism

Speaker: Christian Schubert

Slides schubert.pdf

12:30 PM Leading and next-to-leading large-n_f terms in the cusp anomalous dimension and quark-antiquark potential

Speaker: Andrey Grozin

Slides 07_Grozin-LL2016.pdf

11:00 AM → 1:00 PM Plenary B3

11:00 AM Beta-functions in higher dimensional field theories

Speaker: John Gracey

Slides 04_Gracey_leip16.pdf

11:30 AM Two loop conformal anomaly in Quantum Chromodynamics: nonsinglet operators

Speaker: Alexander Manashov

Slides LL2016_manashov.pdf

12:00 PM Calculation of 3-loop operator matrix elements with two masses

Speaker: Abilio de Freitas

Slides 06_De_Freitas_LL2016.pdf

12:30 PM Summing logarithms and factorization for massive quark initiated jets and the Pythia top quark mass

Speaker: Andre Hoang

Slides 07_Hoang-LoopsLegs.pdf

1:00 PM → 2:30 PM Lunch

2:30 PM → 4:00 PM Plenary A4

2:30 PM Jet cross sections with CoLoRFul NNLO

Speaker: Adam Kardos

Slides kardos.pdf

3:00 PM NNLO dijet production in DIS with the antenna subtraction method

Speaker: Jan Niehues

Slides 02_Niehues.pdf

3:30 PM Z+jet production at NNLO

Speaker: Alexander Huss

Slides huss_LL16.pdf

2:30 PM → 4:00 PM Plenary B4

2:30 PM Binomial Sums in the package HarmonicSums

Speaker: Jakob Ablinger

Slides talk.pdf

3:00 PM FormCalc 9 and Extensions

Speaker: Thomas Hahn

Slides hahn.pdf

3:30 PM Automation of 2-loop amplitude calculations

Speaker: Stephen Jones

Slides sjones-ll2016.pdf

4:00 PM → 4:30 PM Coffee Break

4:30 PM → 6:00 PM Plenary A4

4:30 PM Long-distance singularities in multi-leg scattering amplitudes

Speaker: Einan Gardi

Slides Gardi_Loops_and_Legs_2016.key.pdf

5:00 PM Threshold corrections and vacuum stability

Speaker: Bernd Kniehl

Slides ll16.pdf

5:30 PM MATRIX: A fully-differential NNLO(+NNLL) process library

Speaker: Marius Wiesemann

Slides Wiesemann_LL16.pdf

4:30 PM → 6:00 PM Plenary B4

4:30 PM Forcer: a FORM program for 4-loop massless propagators

Speaker: Takahiro Ueda

Slides Forcer-LL2016.pdf

5:00 PM Forcer results on deep-inelastic scattering

Speaker: Andreas Vogt

Slides av-ll16.pdf

5:30 PM Power corrections to flavour non-singlet structure functions and sum rules at NNLO

Speaker: Giulio Falcioni

Slides LL_falcioni.pdf

7:30 PM → 11:00 PM Conference Dinner

Friday, April 29

9:00 AM → 10:30 AM Plenary 4

9:00 AM Form, diagrams and topologies

Speaker: Jos Vermaseren

Slides vermaseren.pdf

9:30 AM Five-loop massive tadpoles

Speaker: York Schröder

Slides talkLL16.pdf

10:00 AM 30 years, 750 integrals, and 1 dessert

Speaker: Tord Riemann

Slides riemann-LL2016-upload.pdf

10:30 AM → 11:00 AM Coffee Break

11:00 AM → 1:00 PM Plenary 4

11:00 AM A basis of finite Feynman integrals

Speaker: Andreas von Manteuffel

Slides ll16-manteuffel.pdf

11:30 AM Relations and representations of QCD amplitudes

Speaker: Stefan Weinzierl

Slides leipzig.pdf

12:00 PM Threshold logarithms at next-to-leading power

Speaker: Lorenzo Magnea

Slides Magnea.pdf

12:30 PM Perturbative quantum field theory informs algebraic geometry

Speaker: David Broadhurst

Slides 07_Broadhurst_LL2016.pdf

1:00 PM → 2:00 PM Lunch

2:00 PM → 2:30 PM Adjourn