Loops and Legs in Quantum Field Theory

15 Apr 2012, 17:00 → 20 Apr 2012, 15:00 Europe/Berlin

Wernigerode

11th Workshop organized by Theory Group, DESY, Zeuthen
 

Photo: W. Koglin, Schloss Wernigerode

Sunday 15 April

17:00 → 20:00 Registration

Monday 16 April

08:45 → 13:00 Monday Morning

08:45 Welcome

Speaker: Tord Riemann

08:50 Gamma-ray astronomy - a new window to our Universe

Speaker: Christian Stegmann

Slides CosmicRays_v2.pdf

09:40 Z decay in to hadrons and DIS sum rules at alpha_s^4

Speaker: Konstantin Chetyrkin

Slides Chetyrkin.pdf

10:10 Coffee break

10:40 Recent higher-order results in perturbative QCD

Speaker: Andreas Vogt

Slides Vogt.pdf

11:10 From motives to differential equations for loop integrals

Speaker: Stefan Weinzierl

Slides weinzierl_wernigerode.pdf

11:40 Recent developments in higher order precision calculations at lower energies

Speaker: Andrzej Czarnecki

Slides CzarneckiLoops.pdf

13:00 → 14:30 Lunch

14:30 → 18:00 Monday Afternoon

14:30 Relations between gravity and gauge theory and implications for UV properties

Speaker: Zvi Bern

Slides bern.pdf

15:00 The infrared structure of gauge theory amplitudes and their high-energy limit

Speaker: Lorenzo Magnea

Slides Magnea.pdf

15:30 Testing NRQCD factorization in charmonium production at NLO

Speaker: Bernd Kniehl

Slides ll12kniehl.pdf

16:00 Coffee break

16:30 Higgs Lineshape

Speaker: Giampiero Passarino

Slides Passarino.pdf

17:00 Dimensional Reduction (and all that).

Speaker: Tim Jones

Slides jones.pdf

17:30 Analytic results for multi-loop scattering amplitudes

Speaker: Johannes Henn

Slides Henn.pdf

18:00 → 20:00 Visit of the Castle Wernigerode

20:30 → 21:30 Dinner

Tuesday 17 April

09:00 → 13:00 Tuesday Morning

09:00 Overview of LHC results

Speaker: Günther Dissertori

Slides Dissertori.pdf

09:50 Higgs cross section - an update

Speaker: Vajravelu Ravindran

Slides Ravindran.pdf

10:20 NLO QCD corrections to off-shell ttbar production at hadron colliders

Speaker: Stefan Dittmaier

Slides dittmaier_wwbb_ll12.pdf

10:50 Coffee break

11:20 ABM11 PDFs and the cross section benchmarks in the NNLO

Speaker: Sergey Alekhin

Slides alekhin.pdf

11:50 Diphoton production at hadron colliders in NNLO QCD

Speaker: Giancarlo Ferrera

Slides ferrera-ll12.pdf

12:20 Precise Predictions of Z+n jets at Hadron Colliders

Speaker: Daniel Maitre

Slides Maitre.pdf

13:00 → 14:30 Lunch

14:30 → 18:00 Tuesday Afternoon I

14:30 NLO parton shower for LHC physics -- hard process and beyond

Speaker: Stanislaw Jadach

Slides JadachLoopsLegs2012.pdf

15:00 New Developments in PJFRY

Speaker: Valery Yundin

Slides yundinLL.pdf

15:30 Towards a more accurate prediction of W+b jets production with an automatized approach to one-loop calculations

Speaker: Laura Reina

Slides LReina.pdf

16:00 Coffee break

16:30 Latest results for V-boson+jets production at the LHC with BlackHat

Speaker: Harald Ita

Slides Ita.pdf

17:00 The GoSam package: an overview

Speaker: Francesco Tramontano

Slides Tramontano.pdf

17:30 Computational tools for scattering amplitudes at LO and NLO QCD

Speaker: Andreas van Hameren

Slides vanHameren.pdf

14:30 → 18:00 Tuesday Afternoon II

14:30 Infrared structure of pp to 2jets at NNLO - the gluon channel

Speaker: Joao Pires

Slides LL2012-pires.pdf

15:00 The three-loop form factor in N=4 super Yang-Mills

Speaker: Tobias Huber

Slides huber_LL2012.pdf

15:30 Hexagons, Heptagons and Octogons in N=4SYM

Speaker: Claude Duhr

Slides LL2012_Duhr.pdf

16:00 Coffee break

16:30 On the integrand reduction of one- and two-loop amplitudes

Speaker: Pierpaolo Mastrolia

Slides mastrolia_LL2012.pdf

17:00 The Structures of Higher Hypergeometric Functions and the epsilon-expansion

Speaker: Mikhail Kalmykov

Slides kalmykov_ll_2012.pdf

17:30 Evaluating five-loop Konishi in N=4 SYM

Speaker: Vladimir Smirnov

Slides smirnov.pdf

18:30 → 19:30 Dinner

20:00 → 21:00 Concert

Wednesday 18 April

09:00 → 12:00 Wednesday Morning

09:00 Potential of FORM 4.0

Speaker: Jozef Vermaseren

Slides landl12.pdf

09:30 Simultaneous decoupling of bottom and charm quarks

Speaker: Andrey Grozin

Slides Grozin.pdf

10:00 Heavy flavor corrections at three loops

Speaker: Johannes Blümlein

Slides Bluemlein.pdf

10:30 Group photo

10:45 Coffee break

11:00 Factorization violation in the collinear limit

Speaker: Germán Rodrigo

Slides 2012_04_rodrigo_factorization_LoopsLegs.pdf

11:30 Zfitter - past, present, future

Speaker: Tord Riemann

Slides riemann-LL2012.pdf

12:00 → 13:30 Lunch

13:30 → 20:00 Excursion

20:00 → 21:00 Dinner

Thursday 19 April

09:00 → 13:00 Thursday Morning I

09:00 Numerical calculation of massive multi-loop integrals

Speaker: Gudrun Heinrich

Slides GHeinrich_LL12.pdf

09:30 Numerical evaluation of one-loop QCD amplitudes

Speaker: Simon Badger

Slides Badger.pdf

10:00 Numerical Evaluation of NLO Multiparton Processes

Speaker: Christian Reuschle

Slides LoopsAndLegs2012_Reuschle_corrected.pdf

10:30 Coffee break

11:00 Higgs production in bottom quark annihilation

Speaker: Robert Harlander

Slides harlander.pdf

11:30 Towards H+jet production at NNLO

Speaker: Thomas Gehrmann

Slides Gehrmann_LL12.pdf

12:00 Precision calculations for Higgs-Boson Production at Hadron Colliders

Speaker: Nikolai Zerf

Slides Zerf.pdf

09:00 → 13:00 Thursday Morning II

09:00 Three-loop beta function in the Standard Model

Speaker: Matthias Steinhauser

Slides steinhauser.pdf

09:30 Towards fully automatized MSSM calculations

Speaker: Sven Heinemeyer

Slides sven.pdf

10:00 Spin identification of the RS resonance in di-photon production to NLO at the LHC

Speaker: Prakash Mathews

Slides pmathews.pdf

10:30 Coffee break

11:00 FeynArts and FormCalc in the era of the LHC

Speaker: Thomas Hahn

Slides hahn.pdf

11:30 GRACE and loop integrals

Speaker: Junpei Fujimoto

Slides FUJIMOTO-19APR1130.pdf

12:00 MadGolem - automating NLO calculations for New Physics

Speaker: David Lopez-Val

Slides lopezval.pdf

13:00 → 14:30 Lunch

14:30 → 18:30 Thursday Afternoon I

slides AlexanderMitov-Loops&Legs-2012.pdf

14:30 Decomposing Feynman rules

Speaker: Dirk Kreimer

Slides Kreimer_LL2012.pdf

15:00 Modern Summation Technologies and the Calculation of 3-Loop Diagrams

Speaker: Carsten Schneider

Slides Schneider.pdf

15:30 Efficient contraction of 1-loop N-point tensor integrals.

Speaker: Jochem Fleischer

Slides fleischer-Wernigerode-2012-19.pdf

16:00 Coffee break

16:30 Loop calculations for lattice matching

Speaker: John Gracey

Slides Gracey.pdf

17:00 Symbolic integration and multiple polylogarithms

Speaker: Christian Bogner

Slides Bogner.pdf

17:30 Recursive relations for multiparton splitting functions

Speaker: Petros Draggiotis

Slides PDraggiotis_LL2012.pdf

18:00 Scattering Amplitudes at Next-to-Leading Order with Open Loops

Speaker: Philipp Maierhöfer

Slides maierhoefer.pdf

14:30 → 18:30 Thursday Afternoon II

14:30 Matching NLO QCD to Monte Carlo showers and POWHEG

Speaker: Simone Alioli

Slides LL2012_Alioli.pdf

15:00 ttbar + X hadroproduction with PowHel

Speaker: Zoltan Trócsányi

Slides TrocsanyiLL2012.pdf

15:30 Combining Fixed-Order Helicity Amplitudes with Resummation using SCET

Speaker: Frank Tackmann

Slides LL2012_Tackmann.pdf

16:00 Coffee break

16:30 Top quark pairs at two loops

Speaker: Andreas von Manteuffel

Slides ll2012-manteuffel.pdf

17:00 The singular behavior of one-loop massive QCD amplitudes with one external soft gluon

Speaker: Isabella Bierenbaum

Slides LL12_Bierenbaum.pdf

17:30 Double real radiation corrections to top-antitop production at the LHC

Speaker: Gabriel Abelof

Slides Abelof_Talk.pdf

18:00 Precision top physics at hadron colliders

Speaker: Alexander Mitov

Slides AlexanderMitov-Loops&Legs-2012.pdf

20:00 → 22:00 Banquet

Friday 20 April

09:00 → 13:00 Friday Morning

09:00 Automated computation meets Hot QCD

Speaker: York Schroder

Slides Schroeder.pdf

09:30 SCET applications for the LHC

Speaker: Matthias Neubert

Slides neubert_LL2012_webversion.pdf

10:00 Forward Branching Phase Space Generators for NLO Monte Carlo's

Speaker: Walter Giele

Slides LL2012-Giele.pdf

10:30 Coffee break

11:00 Maximal Unitarity at Two Loops

Speaker: David Kosower

Slides Maximal_Unitarity_at_Two_Loops_(Loops_&_Legs_2012,_Wernigerode,_April_20,_2012).pptx

11:30 Threshold production of unstable top

Speaker: Alexander PENIN

Slides penin.pdf

12:00 Feynman integrals inside Dirichlet's critical strip

Speaker: David Broadhurst

Slides Broadhurst.pdf

13:00 → 14:00 Lunch