Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Sunday, April 19:

7.30 p.m. Welcome

Monday, April 20: Morning session

9.00 a.m. - 9.10 a.m. T. Riemann Opening
9.10 a.m. - 9.50 a.m. G. Wolf Physics results from HERA
9.50 a.m. - 10.00 a.m. Discussion
10.00 a.m. - 10.20 a.m. T. v. Ritbergen Calculation of various renormalization
group quantities at the 4-loop order in
QCD

10.20 a.m. - 10.30 a.m. Discussion

10.30 a.m. - 11.00 a.m. Coffee Break

 

11.00 a.m. - 11.20 a.m. W. van Neerven Higher order QCD corrections to
fragmentation functions in e+e-
annihilation

11.20 a.m. - 11.30 a.m. Discussion
11.30 a.m. - 11.50 a.m. V. Ravindran Relations among polarized and unpolarized
anomalous dimensions beyond leading
order

11.50 a.m. - 12.00 a.m. Discussion
12.00 a.m. - 12.20 a.m. H. Spiesberger Production of hard photons and jets in
deep inelastic ep scattering at order O(a s)

12.20 a.m. - 12.30 a.m. Discussion

1.00 p.m. - 2.30 p.m. Lunch

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Monday, April 20: Afternoon session

 

2.30 p.m. - 2.50 p.m. J. Vermaseren Some problems in high loop calculations
2.50 p.m. - 3.00 p.m. Discussion
3.00 p.m. - 3.20 p.m. J. Fleischer Applications of the large mass expansion
3.20 p.m. - 3.40 p.m. Discussion

 

3.40 p.m. - 4.10 p.m. Coffee Break

 

4.10 p.m. - 4.30 p.m. E. Remiddi Differential equations for Feynman graph
amplitudes

4.30 p.m. - 4.40 p.m. Discussion
4.40 p.m. - 5.00 p.m. B. Geyer Quantization of massive gauge theories
5.10 p.m. - 5.20 p.m. Discussion

5.20 p.m. - 5.40 p.m. E. Kraus Renormalization of the Standard Model to
all orders

5.40 p.m. - 5.50 p.m. Discussion

5.50 p.m. - 6.10 p.m. O. Tarasov Reduction of Feynman graph amplitudes to
a minimal set of basic integrals

6.10 p.m. - 6.20 p.m. Discussion

 

6.30 p.m. Dinner

 

 

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Tuesday, April 21: Morning session

9.00 a.m. - 9.40 a.m. R. Clare LEP electroweak physics results
9.40 a.m. - 9.50 a.m. Discussion
9.50 a.m. - 10.10 a.m. G. Degrassi Accurate prediction of sin2q eff,lept and
impact on the Mh bound
10.10 a.m. - 10.20 a.m. Discussion

10.20 a.m. - 10.50 a.m. Coffee Break


10.50 a.m. - 11.10 a.m. R. Harlander Higher order corrections to Z decay
11.10 a.m. - 11.20 a.m. Discussion
11.20 a.m. - 11.40 a.m. F. Piccinini Single- and multi-photon events with
missing energy at LEP

11.40 a.m. - 11.50 a.m. Discussion

11.50 a.m. - 12.10 a.m. A. Gehrmann- Isolated and non-isolated photon
De Ridder rates at LEP

12.10 a.m. - 12.20 a.m. Discussion

 

12.30 a.m. - 2.30 p.m. Lunch

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Tuesday, April 21: Afternoon session

 

2.30 p.m. - 3.10 p.m. G. Jikia Two-loop large Higgs mass corrections to
electroweak gauge boson quartic couplings

3.10 p.m. - 3.20 p.m. Discussion
3.20 p.m. - 3.40 p.m. W. Hollik Diagrammatic calculations for the neutral
MSSM Higgs bosons up to two loops

3.40 p.m. - 3.50 p.m. Discussion

4.00 p.m. - 4.30 p.m. Coffee Break

4.30 p.m. - 4.50 p.m. G. Weiglein Two-loop calculations for electroweak
precision observables in the SM and the MSSM

4.50 p.m. - 5.00 p.m. Discussion
5.00 p.m. - 5.20 p.m. F. Feruglio Signals of a superlight gravitino at e+e- and
hadron colliders

5.20 p.m. - 5.30 p.m. Discussion

5.30 p.m. - 5.50 p.m. J. Illana Weak dipole moments in supersymmetry

5.50 p.m. - 6.00 p.m. Discussion

 

6.30 p.m. Dinner

8.00 p.m. Concert

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Wednesday, April 22: Morning session

 

9.00 a.m. - 9.30 a.m. G. Pancheri Physics with DAPHNE
9.30 a.m. - 9.40 a.m. Discussion
9.40 a.m. - 10.00 a.m. J. Bernabeu Indirect CP-violation in the B-system
10.00 a.m. - 10.10 a.m. Discussion

10.10 a.m. - 10.40 a.m. Coffee Break

10.40 a.m. - 11.00 a.m. P. Kroll Exclusive charmonium decays

11.00 a.m. - 11.10 a.m. Discussion
11.10 a.m. - 11.50 a.m. A. Kwiatkowski Rare B decays
11.50 a.m. - 12.00 a.m. Discussion
12.00 a.m. - 12.20 a.m. B. Tausk Two-loop radiative corrections to b® c
decay at zero recoil

12.20 a.m. - 12.30 a.m. Discussion

 

12.30 a.m. - 2.30 p.m. Lunch

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Wednesday, April 22: Afternoon session

 

2.30 p.m. - 3.10 p.m. B. Wiik The Linear Collider Project
3.10 p.m. - 3.20 p.m. Discussion
3.20 p.m. - 3.40 p.m. A. Ballestrero Six fermion production
3.40 p.m. - 3.50 p.m. Discussion

 

3.50 p.m. - 4.20 p.m. Coffee Break

 

4.20 p.m. - 4.40 p.m. W. Beenakker An update of radiative corrections to

off-shell W-pair production
4.40 p.m. - 4.50 p.m. Discussion
4.50 p.m. - 5.10 p.m. J. Biebel Anomalous couplings in W-pair production
with radiative corrections
5.10 p.m. - 5.20 p.m. Discussion
5.20 p.m. - 5.40 p.m. A. Denner Non-factorizing corrections to gauge-boson
pair production
5.40 p.m. - 5.50 p.m. Discussion
5.50 p.m. - 6.10 p.m. A. Vicini QED corrections to 4f production in e+e-
annihilation

6.10 p.m. 6.20 p.m. Discussion

 

7.30 p.m. Banquet

 

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Thursday, April 23: Morning session

 

9.00 a.m. - 9.20 a.m. P. del Aguila Differential renormalization of non-abelian gauge theories
9.20 a.m. - 9.30 a.m. Discussion
9.30 a.m. - 9.50 a.m. D. Broadhurst Knots and numbers from field theory
9.50 a.m. - 10.00 a.m. Discussion

10.00 a.m. - 10.20 a.m. D. Kreimer How useful can knot and number theory be for loop calculations?
10.20 a.m. - 10.30 a.m. Discussion

11.30 a.m. - 11.00 a.m. Coffee Break

11.00 a.m. - 11.20 a.m. S. Dittmaier Two-loop QCD corrections to Higgs-pair production at LHC
11.20 a.m. - 11.30 a.m. Discussion
11.30 a.m. - 11.50 a.m. M. Steinhauser The hadronic Higgs decay and the connection to the decoupling relations in QCD

11.50 a.m. - 12.00 a.m. Discussion

 

12.00 a.m. Lunch

 

3.00 p.m. Excursion

 

 

Zeuthen Workshop

on

Elementary Particle Theory

Rheinsberg, April 19-24, 1998

Loops and Legs in Gauge Theories

 

Friday, April 24: Morning session

9.00 a.m. - 9.20 a.m. F. Berends Scattering amplitudes for massless particles with arbitrary spin
9.20 a.m. - 9.30 a.m. Discussion
9.30 a.m. - 9.50 a.m. A. Davydychev Geometrical approach to the evaluation of multileg Feynman diagrams
9.50 a.m. - 10.00 a.m. Discussion

10.00 a.m. - 10.30 a.m. Coffee Break

10.30 a.m. - 11.10 a.m. A. Sirlin Radiative corrections to W and quark propagators in the resonance region

11.30 a.m. Lunch

 

1.30 p.m. Departure