Loops and Legs in Quantum Field Theory

20 Apr 2008, 15:00 → 25 Apr 2008, 14:00 Europe/Berlin

Blauer Saal (Sondershausen)

9th Workshop on Elementary Particle Theory organized by Theory Group, DESY, Zeuthen

Sunday, 20 April

16:00 → 19:30 Registration

19:30 → 21:00 Welcome Reception

Monday, 21 April

09:00 → 13:00 Monday morning

09:00 Welcome

Speaker: T. Riemann

09:10 NNLO QCD corrections to e+e- -> 3jets and event shapes

Speaker: A. Gehrmann

Slides gehrmann.pdf

09:40 Results in four and five Loop QED and QCD calculations

Speaker: K. Chetyrkin

Slides chetyrkin.pdf

10:10 Irrational constants in positronium decay

Speaker: O. Veretin

Slides veretin.pdf

10:40 Coffee

11:10 The FORM project

Speaker: J. Vermaseren

Slides vermaseren.pdf

11:40 NNLO predictions for the Higgs boson signal in the H->WW and H->ZZ decay modes

Speaker: M. Grazzini

Slides Grazzini_LL2008.pdf

12:10 Subtraction method for computing QCD jet cross sections at NNLO accuracy

Speaker: Z. Trocsanyi

Slides Trocsanyi.pdf

13:00 → 14:30 Lunch

14:30 → 17:30 Monday afternoon

14:30 On-shell approach for loop amplitudes

Speaker: R. Britto

Slides BrittoLL.pdf

15:00 NLO corrections with the OPP method

Speaker: C. Papadopoulos

Slides papadopoulosLL2008.pdf

15:30 Helicity fractions of W bosons from top quark decays

Speaker: J. Piclum

Slides piclum.pdf

16:00 Coffee

16:30 On the Cuts of Scattering Amplitudes

Speaker: P. Mastrolia

Slides mastrolia_LL08.pdf

17:00 Event generation for the LHC with Sherpa

Speaker: F. Krauss

Slides krauss.pdf

18:00 → 19:00 Dinner

19:00 → 20:00 Visit of the Schlossmuseum Sondershausen

Tuesday, 22 April

09:00 → 13:00 Tuesday morning

09:00 Top Physics at Tevatron

Speaker: W. Wagner

Slides WWagner.pdf

09:50 Heavy-quark hadro-production at two loops in QCD

Speaker: S. Moch

Slides svenmoch-ll2008.pdf

10:20 Massive particle production to NNLO in QCD

Speaker: G. Chachamis

Slides chachamis_final.pdf

10:50 Coffee

11:20 The Mass of the Charged Higgs Boson in the MSSM at the Two-Loop Level

Speaker: S. Heinemeyer

Slides sven.pdf

11:50 Precise predictions for LHC using a GOLEM

Speaker: T. Binoth

Slides LL08_binoth.pdf

12:20 Quark Masses and the strong coupling constant

Speaker: J. Kühn

Slides kuehn.pdf

13:00 → 14:30 Lunch

14:30 → 18:00 Tuesday afternoon

14:30 Electroweak and QCD Corrections to Higgs production in vector-boson fusion at the LHC

Speaker: A. Denner

Slides denner-ll08.pdf

15:00 Tensor reduction of 5- and 6-point functions

Speaker: B. Tausk

Slides tauskLL08.pdf

15:30 Integrability in N=4 supersymmetric Yang Mills theory

Speaker: B. Eden

Slides Eden.pdf

16:00 Coffee

16:30 Unitary methods in perturbative QCD

Speaker: D. Dunbar

Slides DunbarLoops08.pdf

17:00 CSW rules for massive matter and pure glue loops

Speaker: R. Boels

Slides Boels.pdf

17:30 Recent status of GRACE/NLO system for LHC

Speaker: J. Fujimoto

Slides LL08-fujimoto.pdf

18:00 → 19:00 Dinner

20:00 → 21:00 Organ Concert

Wednesday, 23 April

09:00 → 12:30 Wednesday morning

09:00 CP-violating loop effects in the Higgs sector of the MSSM

Speaker: G. Weiglein

Slides ll08_weiglein.pdf

09:30 Towards the NNLO evolution of polarized parton distributions

Speaker: A. Vogt

Slides andreasvogt-ll08.pdf

10:00 Higher order heavy flavor contributions in DIS

Speaker: S. Klein

Slides SebastainKlein.pdf

10:30 Coffee

11:00 Mini-review on Monte Carlo programs for Bhabha scattering

Speaker: G. Montagna

Slides guidmontagnao@LL08.pdf

11:30 Two-loop Bhabha scattering with nf=2

Speaker: J. Gluza

Slides gluzaL08.pdf

12:00 Two-Loop Heavy-Flavor Contribution to Bhabha Scattering

Speaker: R. Bonciani

Slides BoncianiLL08.pdf

12:30 → 14:00 Lunch

14:00 → 18:00 Excursion

19:00 → 20:00 Dinner

Thursday, 24 April

09:00 → 11:20 Thursday morning

09:00 Physics at the LHC

Speaker: K. Jakobs

Slides Jakobs_08.pdf

09:50 Top quark production at the LHC

Speaker: P. Uwer

Slides Uwer2008.pdf

10:20 VINCIA - Monte Carlos and parton showers

Speaker: W. Giele

Slides Giele.pdf

10:50 Coffee

11:20 → 13:00 Thursday morning I

11:20 LoopTools, FeynHiggs and more

Speaker: T. Hahn

Slides hahn.pdf

11:50 Higher moments of heavy quark correlators in the low energy limit at O(alphas**2)

Speaker: P. Marquard

Slides marquard.pdf

12:20 The B->X_s gamma decay rate: Finalizing the NNLO program

Speaker: T. Schutzmeier

Slides SchutzmeierLL2008.pdf

11:20 → 13:00 Thursday morning II

11:20 Generalised unitarity for massive one loop amplitudes

Speaker: S. Badger

Slides Badger.pdf

11:50 NLO QCD corrections to pp -> ttbar b bbar via qqbar annihilation

Speaker: S. Pozzorini

Slides pozzorini.pdf

12:20 Automating one loop corrections

Speaker: D. Maitre

Slides Maitre.pdf

13:00 → 14:30 Lunch

14:30 → 18:00 Thursday afternoon I

14:30 Structural relations of harmonic sums

Speaker: J. Blümlein

Slides blumlein.pdf

15:00 Hypergeometric functions with rational arguments

Speaker: T. Huber

Slides huberLL2008.pdf

15:30 Fast solvers for dense linear systems

Speaker: M. Kauers

Slides kauers.pdf

16:00 Coffee

16:30 Asymptotics of Dyson Schwinger equations for QED

Speaker: D. Kreimer

17:00 Four loop vacuum bubbles for two-dimensional four-fermi theory renormalization

Speaker: J. Gracey

Slides Gracey08.pdf

17:30 Blowing up Feynman integrals

Speaker: S. Weinzierl

Slides weinzierl.pdf

14:30 → 18:00 Thursday afternoon II

14:30 From multileg loops to trees

Speaker: G. Rodrigo

Slides ll2008_rodrigo.pdf

15:00 Automating dipole subtraction

Speaker: K. Hasegawa

Slides hasegawa.pdf

15:30 Running of alpha_s in supersymmetric theories

Speaker: L. Mihaila

Slides mihaila_ll08.pdf

16:00 Coffee

16:30 WW+jet production at hadron colliders in NLO QCD

Speaker: S. Kallweit

Slides kallweit_LL2008.pdf

17:00 News from MadGraph

Speaker: R. Frederix

Slides frederix.pdf

17:30 Carlomat

Speaker: K. Kolodziej

Slides kolodziej.pdf

19:00 → 22:00 Conference Dinner

Friday, 25 April

09:00 → 13:00 Friday morning

09:00 Loops for hot QCD

Speaker: Y. Schröder

Slides schroderweb.pdf

09:30 Three-loop results in HQET

Speaker: A. Grozin

Slides Grozin.pdf

10:00 Evaluating the three-loop quark static potential

Speaker: V. Smirnov

Slides smirnov.pdf

10:30 Coffee

11:00 On-shell methods in gauge theories and gravity

Speaker: D. Kosower

Slides kosowo.pdf

11:30 Life at the Anomalous Threshold -- it's simpler to be singular

Speaker: G. Passarino

Slides ll08_passarino.pdf

12:00 Singular values of elliptic integrals in quantum field theory

Speaker: D. Broadhurst

Slides broadhurst.pdf

13:00 → 14:30 Lunch