Loops and Legs in Quantum Field Theory

Apr 20, 2008, 3:00 PM → Apr 25, 2008, 2:00 PM Europe/Berlin

Blauer Saal (Sondershausen)

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

Sunday, April 20

4:00 PM → 7:30 PM Registration

7:30 PM → 9:00 PM Welcome Reception

Monday, April 21

9:00 AM → 1:00 PM Monday morning

9:00 AM Welcome

Speaker: T. Riemann

9:10 AM NNLO QCD corrections to e+e- -> 3jets and event shapes

Speaker: A. Gehrmann

Slides gehrmann.pdf

9:40 AM Results in four and five Loop QED and QCD calculations

Speaker: K. Chetyrkin

Slides chetyrkin.pdf

10:10 AM Irrational constants in positronium decay

Speaker: O. Veretin

Slides veretin.pdf

10:40 AM Coffee

11:10 AM The FORM project

Speaker: J. Vermaseren

Slides vermaseren.pdf

11:40 AM 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 PM Subtraction method for computing QCD jet cross sections at NNLO accuracy

Speaker: Z. Trocsanyi

Slides Trocsanyi.pdf

1:00 PM → 2:30 PM Lunch

2:30 PM → 5:30 PM Monday afternoon

2:30 PM On-shell approach for loop amplitudes

Speaker: R. Britto

Slides BrittoLL.pdf

3:00 PM NLO corrections with the OPP method

Speaker: C. Papadopoulos

Slides papadopoulosLL2008.pdf

3:30 PM Helicity fractions of W bosons from top quark decays

Speaker: J. Piclum

Slides piclum.pdf

4:00 PM Coffee

4:30 PM On the Cuts of Scattering Amplitudes

Speaker: P. Mastrolia

Slides mastrolia_LL08.pdf

5:00 PM Event generation for the LHC with Sherpa

Speaker: F. Krauss

Slides krauss.pdf

6:00 PM → 7:00 PM Dinner

7:00 PM → 8:00 PM Visit of the Schlossmuseum Sondershausen

Tuesday, April 22

9:00 AM → 1:00 PM Tuesday morning

9:00 AM Top Physics at Tevatron

Speaker: W. Wagner

Slides WWagner.pdf

9:50 AM Heavy-quark hadro-production at two loops in QCD

Speaker: S. Moch

Slides svenmoch-ll2008.pdf

10:20 AM Massive particle production to NNLO in QCD

Speaker: G. Chachamis

Slides chachamis_final.pdf

10:50 AM Coffee

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

Speaker: S. Heinemeyer

Slides sven.pdf

11:50 AM Precise predictions for LHC using a GOLEM

Speaker: T. Binoth

Slides LL08_binoth.pdf

12:20 PM Quark Masses and the strong coupling constant

Speaker: J. Kühn

Slides kuehn.pdf

1:00 PM → 2:30 PM Lunch

2:30 PM → 6:00 PM Tuesday afternoon

2:30 PM Electroweak and QCD Corrections to Higgs production in vector-boson fusion at the LHC

Speaker: A. Denner

Slides denner-ll08.pdf

3:00 PM Tensor reduction of 5- and 6-point functions

Speaker: B. Tausk

Slides tauskLL08.pdf

3:30 PM Integrability in N=4 supersymmetric Yang Mills theory

Speaker: B. Eden

Slides Eden.pdf

4:00 PM Coffee

4:30 PM Unitary methods in perturbative QCD

Speaker: D. Dunbar

Slides DunbarLoops08.pdf

5:00 PM CSW rules for massive matter and pure glue loops

Speaker: R. Boels

Slides Boels.pdf

5:30 PM Recent status of GRACE/NLO system for LHC

Speaker: J. Fujimoto

Slides LL08-fujimoto.pdf

6:00 PM → 7:00 PM Dinner

8:00 PM → 9:00 PM Organ Concert

Wednesday, April 23

9:00 AM → 12:30 PM Wednesday morning

9:00 AM CP-violating loop effects in the Higgs sector of the MSSM

Speaker: G. Weiglein

Slides ll08_weiglein.pdf

9:30 AM Towards the NNLO evolution of polarized parton distributions

Speaker: A. Vogt

Slides andreasvogt-ll08.pdf

10:00 AM Higher order heavy flavor contributions in DIS

Speaker: S. Klein

Slides SebastainKlein.pdf

10:30 AM Coffee

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

Speaker: G. Montagna

Slides guidmontagnao@LL08.pdf

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

Speaker: J. Gluza

Slides gluzaL08.pdf

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

Speaker: R. Bonciani

Slides BoncianiLL08.pdf

12:30 PM → 2:00 PM Lunch

2:00 PM → 6:00 PM Excursion

7:00 PM → 8:00 PM Dinner

Thursday, April 24

9:00 AM → 11:20 AM Thursday morning

9:00 AM Physics at the LHC

Speaker: K. Jakobs

Slides Jakobs_08.pdf

9:50 AM Top quark production at the LHC

Speaker: P. Uwer

Slides Uwer2008.pdf

10:20 AM VINCIA - Monte Carlos and parton showers

Speaker: W. Giele

Slides Giele.pdf

10:50 AM Coffee

11:20 AM → 1:00 PM Thursday morning I

11:20 AM LoopTools, FeynHiggs and more

Speaker: T. Hahn

Slides hahn.pdf

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

Speaker: P. Marquard

Slides marquard.pdf

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

Speaker: T. Schutzmeier

Slides SchutzmeierLL2008.pdf

11:20 AM → 1:00 PM Thursday morning II

11:20 AM Generalised unitarity for massive one loop amplitudes

Speaker: S. Badger

Slides Badger.pdf

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

Speaker: S. Pozzorini

Slides pozzorini.pdf

12:20 PM Automating one loop corrections

Speaker: D. Maitre

Slides Maitre.pdf

1:00 PM → 2:30 PM Lunch

2:30 PM → 6:00 PM Thursday afternoon I

2:30 PM Structural relations of harmonic sums

Speaker: J. Blümlein

Slides blumlein.pdf

3:00 PM Hypergeometric functions with rational arguments

Speaker: T. Huber

Slides huberLL2008.pdf

3:30 PM Fast solvers for dense linear systems

Speaker: M. Kauers

Slides kauers.pdf

4:00 PM Coffee

4:30 PM Asymptotics of Dyson Schwinger equations for QED

Speaker: D. Kreimer

5:00 PM Four loop vacuum bubbles for two-dimensional four-fermi theory renormalization

Speaker: J. Gracey

Slides Gracey08.pdf

5:30 PM Blowing up Feynman integrals

Speaker: S. Weinzierl

Slides weinzierl.pdf

2:30 PM → 6:00 PM Thursday afternoon II

2:30 PM From multileg loops to trees

Speaker: G. Rodrigo

Slides ll2008_rodrigo.pdf

3:00 PM Automating dipole subtraction

Speaker: K. Hasegawa

Slides hasegawa.pdf

3:30 PM Running of alpha_s in supersymmetric theories

Speaker: L. Mihaila

Slides mihaila_ll08.pdf

4:00 PM Coffee

4:30 PM WW+jet production at hadron colliders in NLO QCD

Speaker: S. Kallweit

Slides kallweit_LL2008.pdf

5:00 PM News from MadGraph

Speaker: R. Frederix

Slides frederix.pdf

5:30 PM Carlomat

Speaker: K. Kolodziej

Slides kolodziej.pdf

7:00 PM → 10:00 PM Conference Dinner

Friday, April 25

9:00 AM → 1:00 PM Friday morning

9:00 AM Loops for hot QCD

Speaker: Y. Schröder

Slides schroderweb.pdf

9:30 AM Three-loop results in HQET

Speaker: A. Grozin

Slides Grozin.pdf

10:00 AM Evaluating the three-loop quark static potential

Speaker: V. Smirnov

Slides smirnov.pdf

10:30 AM Coffee

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

Speaker: D. Kosower

Slides kosowo.pdf

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

Speaker: G. Passarino

Slides ll08_passarino.pdf

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

Speaker: D. Broadhurst

Slides broadhurst.pdf

1:00 PM → 2:30 PM Lunch