HERA MC workshop: Start-up meeting

Schedule for start-up meeting April 27-30, 1998, at DESY

Last update: July 22, 1998 http://www.desy.de/~heramc/start-up

Monday, April 27, plenary session 14:00 - 18:30, sem. room 4ab
Chairman: Gunnar Ingelman

14:00	Welcome Albrecht Wagner (DESY) Introduction to the workshop Günter Grindhammer (MPI-Munich)
Experimental results on DIS, photoproduction and diffraction and comparisons with MC models:
14:15 - 14:55	The hadronic final state: DIS, Nick Brook (Glasgow) Diffraction and leading baryons, PaulNewman (Birmingham)
15:05 - 15:45	Jet production and properties: Photoproduction, Jon Butterworth (UC London) DIS , Tancredi Carli (MPI-Munich)
15:55 - 16:25	Coffee break
16:25 - 16:45	High Q2 and exotics Darin Acosta (Florida)
16:50 - 17:10	Heavy flavours (inluding J/psi inelastic) Karin Daum (Wuppertal)
16:15 - 17:35	Elastic vector meson production and decay Michele Arneodo (Torino)
17:40 - 18:20	QCD and Monte Carlo Yuri Dokshitzer/Gavin Salam (Milan)
19:30	Buffet dinner (for workshop participants)

Tuesday, April 28, plenary session 9:00-13:00, sem. room 4ab
Chairman: Tony Doyle

9:00 - 9:40	Overview of Monte Carlo issues Hannes Jung (Lund)
9:50 - 10:20	Theoretical basis of parton shower generators Mike Seymour (RAL)
10:30 - 11:00	Coffee break
11:00 - 11:30	The physics of non-DGLAP approaches Gösta Gustafson (Lund)
11:40 - 12:10	Theory and MC predictions for the transition photoproduction-DIS Ralph Engel (Bartol)
12:20 - 12:50	Update of HERACLES/DJANGO and some open problems with Monte Carlo simulations of radiative effects Hubert Spiesberger (Bielefeld)

Tuesday, April 28, parallel sessions 14:00-18:30, coffee break 16:00-16:30

Sem. room 4a	WG 10 - QCD cascades:
	The color dipole picture of BFKL dynamics and its use in MC Stephane Munier (Saclay)
	The linked dipole chain MC Leif Lönnblad (Lund)
	Status of the CFFM MC Gavin Salam (Milan)
	Differences between MC models for DIS at small-x: Lepto vs. Ariadne Johan Rathsman (Uppsala)
	Tuning of MC model parameters: An example Nicolai Tobien (DESY)
Sem. room 4b	WG 30 - Transition from photoproduction to DIS:
	Transition from photoproduction to DIS and the structure of the virtual photon Jiri Chyla (Prague)
	The relation between electron-photon and electron-proton scattering Richard Nisius (CERN)
Sem. room 1	WG 60 - Heavy Flavours:
	Probing the BFKL gluons with J/psi leptoproduction Serguei Baranov (Lebedev)
	Heavy quark hadroproduction: NLO QCD vs. experimental data Yuli Shabelskii (St. Petersburg)
	*D+- electroproduction in the semihard approach of QCD at HERA** Nikolai Zotov (Moscow)
Grosser Gästespeiseraum	WG 70 - QED radiative effects:
	QED corrections of next-to-leading accuracy for DIS with tagged photons Harald Anlauf (Siegen)
	New Monte Carlo generator of lepton-pair production in ep using the GRACE system Tetsuo Abe (Tokyo)
	The cross section and generators for wide angle bremsstrahlung Christoph Berger (Aachen)
	Radiative corrections to charged current cross section Beate Heinemann (DESY)
	Open questions from the DJANGO week Laurent Favart (Brussels)

Wednesday, April 29, plenary session 9:00-12:40, sem. room 4ab
Chairman: Hannes Jung

9:00 - 9:30	A critical look at MC generators for diffractive ep physics Misha Ryskin (St. Petersburg)
9:40 - 10:10	Comparison of fixed order NLO Monte Carlo programs for DIS Dirk Graudenz (Villingen)
10:20 - 10:50	Towards a NLO MC generator for jet photo- and hadroproduction Michael Klasen (Argonne)
11:00 - 11:30	Coffee break
11:30 - 12:00	Matching of NLO matrix elements with parton showers Torbjörn Sjöstrand (Lund)
12:10 - 12:30	GRACE : an automatic generator of event generators Yoshimasa Kurihara (KEK)
12:30 - 13:00	WG30 - Transition from photoproduction to DIS

Wednesday, April 29, parallel sessions 14:00-18:30, coffe break 16:00-16:30

Sem. room 4a	WG 10 - QCD cascades, jointly with WG 40 - Hadronization and non-perturbative QCD issues:
	Non-perturbative QCD issues Gunnar Ingelman (DESY/Uppsala)
	Comparison of string and cluster hadronization David Milstead (DESY)
	The positive excess in leading particles Benoit Delcourt (LAL Orsay)
Sem. room 4b	WG 20 - Fixed higher order programs for DIS and photoproduction:
	JETVIP: A program for calculating jet cross sections in NLO QCD from photoproduction to DIS Björn Pötter (Hamburg)
	Common library for NLO programs Thomas Hadig (Aachen)
Sem. room 1	WG 50 - Diffraction:
	The Monte Carlo program HITVM Lee West (Birmingham)
	RIDI: A MC generator based on the Ryskin model for diffractive dissociation of virtual photons Ada Solano (Torino)
Sem. room 4a 16:30 - 18:30	WG 60 - Heavy Flavours joins WG 10/WG 40
Grosser Gästespeiseraum	WG 80 - Exotics:
	Status of exotic generators used in ZEUS Masahiro Kuze (KEK)
	Monte-Carlo generators for physics beyond the standard model at HERA Emmanuelle Perez (Saclay)
	W-boson production at HERA using COMPHEP generator Mikhail Dubinin (Moscow)
	Comments on EPVEC David Waters (Oxford)
	Hadronisation effects of long-lived resonances Christer Friberg (Lund)
	Using GRACE for SUSY production: An example Yoshimasa Kurihara (KEK)
Sem. room 4b 18:30 - 19:15	WG 90: Tools for comparing HERA data with MCs:

Thursday, April 30, reports from working groups, 9:00 - 12:40, sem. room 4ab
Chairman: Günter Grindhammer

9:00 - 9:15	WG 80: Exotics
9:20 - 9:40	WG 10: QCD cascades
9:45 - 9:55	WG 40: Hadronization and non perturbative QCD issues
10:00 - 10:20	WG 20: Fixed higher order programs for DIS and photoproduction
10:25 - 10:45	Coffee break
10:45 - 11:05	WG 30: Transition from photoproduction to DIS
11:10 - 11:30	WG 50: Diffraction
11:35 - 11:55	WG 60: Heavy Flavours
12:00 - 12:20	WG 70: QED radiative effects
12:25 - 12.35	WG 90: Tools for comparing HERA data with MCs