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

1 Registration

19:30 Welcome Reception

Monday 21 April

Monday morning

2 Welcome

Speaker: T. Riemann

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

Speaker: A. Gehrmann

Slides gehrmann.pdf

4 Results in four and five Loop QED and QCD calculations

Speaker: K. Chetyrkin

Slides chetyrkin.pdf

5 Irrational constants in positronium decay

Speaker: O. Veretin

Slides veretin.pdf

10:40 Coffee

6 The FORM project

Speaker: J. Vermaseren

Slides vermaseren.pdf

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

Speaker: M. Grazzini

Slides Grazzini_LL2008.pdf

8 Subtraction method for computing QCD jet cross sections at NNLO accuracy

Speaker: Z. Trocsanyi

Slides Trocsanyi.pdf

13:00 Lunch

Monday afternoon

9 On-shell approach for loop amplitudes

Speaker: R. Britto

Slides BrittoLL.pdf

10 NLO corrections with the OPP method

Speaker: C. Papadopoulos

Slides papadopoulosLL2008.pdf

11 Helicity fractions of W bosons from top quark decays

Speaker: J. Piclum

Slides piclum.pdf

16:00 Coffee

12 On the Cuts of Scattering Amplitudes

Speaker: P. Mastrolia

Slides mastrolia_LL08.pdf

13 Event generation for the LHC with Sherpa

Speaker: F. Krauss

Slides krauss.pdf

18:00 Dinner

14 Visit of the Schlossmuseum Sondershausen

Tuesday 22 April

Tuesday morning

15 Top Physics at Tevatron

Speaker: W. Wagner

Slides WWagner.pdf

16 Heavy-quark hadro-production at two loops in QCD

Speaker: S. Moch

Slides svenmoch-ll2008.pdf

17 Massive particle production to NNLO in QCD

Speaker: G. Chachamis

Slides chachamis_final.pdf

10:50 Coffee

18 The Mass of the Charged Higgs Boson in the MSSM at the Two-Loop Level

Speaker: S. Heinemeyer

Slides sven.pdf

19 Precise predictions for LHC using a GOLEM

Speaker: T. Binoth

Slides LL08_binoth.pdf

20 Quark Masses and the strong coupling constant

Speaker: J. Kühn

Slides kuehn.pdf

13:00 Lunch

Tuesday afternoon

21 Electroweak and QCD Corrections to Higgs production in vector-boson fusion at the LHC

Speaker: A. Denner

Slides denner-ll08.pdf

22 Tensor reduction of 5- and 6-point functions

Speaker: B. Tausk

Slides tauskLL08.pdf

23 Integrability in N=4 supersymmetric Yang Mills theory

Speaker: B. Eden

Slides Eden.pdf

16:00 Coffee

24 Unitary methods in perturbative QCD

Speaker: D. Dunbar

Slides DunbarLoops08.pdf

25 CSW rules for massive matter and pure glue loops

Speaker: R. Boels

Slides Boels.pdf

26 Recent status of GRACE/NLO system for LHC

Speaker: J. Fujimoto

Slides LL08-fujimoto.pdf

18:00 Dinner

27 Organ Concert

Wednesday 23 April

Wednesday morning

28 CP-violating loop effects in the Higgs sector of the MSSM

Speaker: G. Weiglein

Slides ll08_weiglein.pdf

29 Towards the NNLO evolution of polarized parton distributions

Speaker: A. Vogt

Slides andreasvogt-ll08.pdf

30 Higher order heavy flavor contributions in DIS

Speaker: S. Klein

Slides SebastainKlein.pdf

10:30 Coffee

31 Mini-review on Monte Carlo programs for Bhabha scattering

Speaker: G. Montagna

Slides guidmontagnao@LL08.pdf

32 Two-loop Bhabha scattering with nf=2

Speaker: J. Gluza

Slides gluzaL08.pdf

33 Two-Loop Heavy-Flavor Contribution to Bhabha Scattering

Speaker: R. Bonciani

Slides BoncianiLL08.pdf

12:30 Lunch

34 Excursion

19:00 Dinner

Thursday 24 April

Thursday morning

35 Physics at the LHC

Speaker: K. Jakobs

Slides Jakobs_08.pdf

36 Top quark production at the LHC

Speaker: P. Uwer

Slides Uwer2008.pdf

37 VINCIA - Monte Carlos and parton showers

Speaker: W. Giele

Slides Giele.pdf

10:50 Coffee

Thursday morning I

38 LoopTools, FeynHiggs and more

Speaker: T. Hahn

Slides hahn.pdf

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

Speaker: P. Marquard

Slides marquard.pdf

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

Speaker: T. Schutzmeier

Slides SchutzmeierLL2008.pdf

Thursday morning II

41 Generalised unitarity for massive one loop amplitudes

Speaker: S. Badger

Slides Badger.pdf

42 NLO QCD corrections to pp -> ttbar b bbar via qqbar annihilation

Speaker: S. Pozzorini

Slides pozzorini.pdf

43 Automating one loop corrections

Speaker: D. Maitre

Slides Maitre.pdf

13:00 Lunch

Thursday afternoon I

44 Structural relations of harmonic sums

Speaker: J. Blümlein

Slides blumlein.pdf

45 Hypergeometric functions with rational arguments

Speaker: T. Huber

Slides huberLL2008.pdf

46 Fast solvers for dense linear systems

Speaker: M. Kauers

Slides kauers.pdf

16:00 Coffee

47 Asymptotics of Dyson Schwinger equations for QED

Speaker: D. Kreimer

48 Four loop vacuum bubbles for two-dimensional four-fermi theory renormalization

Speaker: J. Gracey

Slides Gracey08.pdf

49 Blowing up Feynman integrals

Speaker: S. Weinzierl

Slides weinzierl.pdf

Thursday afternoon II

50 From multileg loops to trees

Speaker: G. Rodrigo

Slides ll2008_rodrigo.pdf

51 Automating dipole subtraction

Speaker: K. Hasegawa

Slides hasegawa.pdf

52 Running of alpha_s in supersymmetric theories

Speaker: L. Mihaila

Slides mihaila_ll08.pdf

16:00 Coffee

53 WW+jet production at hadron colliders in NLO QCD

Speaker: S. Kallweit

Slides kallweit_LL2008.pdf

54 News from MadGraph

Speaker: R. Frederix

Slides frederix.pdf

55 Carlomat

Speaker: K. Kolodziej

Slides kolodziej.pdf

19:00 Conference Dinner

Friday 25 April

Friday morning

56 Loops for hot QCD

Speaker: Y. Schröder

Slides schroderweb.pdf

57 Three-loop results in HQET

Speaker: A. Grozin

Slides Grozin.pdf

58 Evaluating the three-loop quark static potential

Speaker: V. Smirnov

Slides smirnov.pdf

10:30 Coffee

59 On-shell methods in gauge theories and gravity

Speaker: D. Kosower

Slides kosowo.pdf

60 Life at the Anomalous Threshold -- it's simpler to be singular

Speaker: G. Passarino

Slides ll08_passarino.pdf

61 Singular values of elliptic integrals in quantum field theory

Speaker: D. Broadhurst

Slides broadhurst.pdf

13:00 Lunch