HERA/LHC Workshop (11-13 October 2004)

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HERA/LHC Workshop

Date/Time:	from Monday, 11 October 2004 (08:00) to Wednesday, 13 October 2004 (18:00) (Europe/Zurich)
Location:	CERN
Chairperson:	A. De Roeck/H. Jung

Monday, 11 October 2004 09:00 ->19:00	parallel sessions
Monday, 11 October 2004 09:00 ->18:00	WG1: Parton Density Functions (40-SS-B01)
Monday, 11 October 2004 09:00 ->19:00	WG2: Multi-jet Final States and Energy Flows (40-SS-D01)
Monday, 11 October 2004 09:00 ->19:00	WG4: Diffraction (40-SS-C01)
Monday, 11 October 2004 10:00 ->18:30	WG3: Heavy Quarks (40-2-A01)
Monday, 11 October 2004 14:00 ->17:30	WG5: MC-Tools (40-2-A01)
Tuesday, 12 October 2004 09:00 ->16:45	parallel sessions
Tuesday, 12 October 2004 09:00 ->16:45	WG1: Parton Density Functions (40-SS-B01)
Tuesday, 12 October 2004 09:00 ->16:50	WG2: Multi-jet Final States and Energy Flow (40-SS-D01)
Tuesday, 12 October 2004 09:00 ->16:45	WG3: Heavy Flavours (40-SS-A01)
Tuesday, 12 October 2004 09:00 ->16:45	WG4: Diffraction (40-SS-C01)
Tuesday, 12 October 2004 17:30 ->18:30	Plenary Meeting (Main Auditorium)
Wednesday, 13 October 2004 09:00 ->12:30	Plenary session (Main Auditorium)
Wednesday, 13 October 2004 14:00 ->18:00	Plenary session (Main Auditorium)

Monday, 11 October 2004

parallel sessions (09:00 ->19:00 )

WG1: Parton Density Functions (09:00 ->18:00 )

Chairperson:	M.Dittmar, S. Forte, M. Glazov, S. Moch

09:00

Introduction: where do we stand? (30') transparencies

M. Dittmar, S. Forte, A. Glazov, S. Moch

09:30

NNLO differential distributions (30') transparencies

Charalampos Anastasiou

10:00

Harmonic sums (30')

Johannes Bluemlein

10:30

Higher Order Effects in Non Linear Evolution (30')

Grigorios Chachamis

11:30

Small x resummation and structure functions (30') transparencies

Guido Altarelli

12:30

NNLO scheme invariant evolution of structure functions (30') transparencies

Alberto Guffanti

14:15

Common session with WG3: (1h45')

14:20

The role of bottom pdf in Higgs and vector boson production (40') transparencies

Fabio Maltoni

15:00

Preliminary study of Z+b production in ATLAS (20') transparencies

Alessandra Tonazzo

15:30

Nonlinear corrections to the DGLAP equations in view of the HERA data (30') transparencies

V. Kolhinen

16:30

LHC final states: experimental and theoretical accuracies (1h30') transparencies	Michael Dittmar
Montecarlos for Z and W production (20') transparencies	Guenther Dissertori
PDF-related systematic uncertainties for W+jet production at LHC (15') transparencies	Hasko Stenzel
alpha_s from jet production at hadron colliders (15') more information	Hasko Stenzel
W+W- and l+ l- as a means to investigate pdfs (15') transparencies	Thomas Schorner

WG2: Multi-jet Final States and Energy Flows (09:00 ->19:00 )

Chairperson:	Leif Lonnblad (Deutsches Elektronen Synchrotron (DESY))

09:00

General Discussion: Where are we now? (30')

09:30

Minimum bias and underlying events (in common with WG5) (1h0')
Tuning at the tevatron (25') transparencies	Rick Field
Jimmy tuning (15') transparencies	Arthur Moraes
Discussion (20')

11:00

Minimum bias and underlying events (in common with WG5) (1h30')
Photoproduction UE/MB in HZTool (15') transparencies	Victor Lendermann
Use of generators in LHCb (15') transparencies	Paul Szczypka
Underlying events in Sherpa (10') transparencies	Stefan Hoeche
News in Pythia 6.3 (10') transparencies	Torbjörn Sjöstrand
Discussion: Tuning Tevatron vs. HERA (40')

14:00

Common sessions with WG4 and WG5 (1h30')

16:00

Rapidity gaps and survival probabilities (in common with WG4) (2h0')
Rapgap survival as a probe of unitarity (25')	Uri Maor
Diffractive photoproduction to NLO (15') transparencies	Michael Klasen
Diffractive photoproduction at H1 (15') transparencies	Frank-Peter Schilling
Diffractive photoproduction at ZEUS (15') transparencies	Alessia Bruni
Discussion: What can we learn from HERA (50')

WG4: Diffraction (09:00 ->19:00 )

Chairperson:	WG4 conveners

11:00

From HERA LPS diffractive PDFs to the Tevatron (25') transparencies

A.Proskuryakov/M.Arneodo

11:25

D-LHAPDF / D-PDFLIB: Towards a library for diffractive pdf's (20') transparencies

F.-P. Schilling

14:00

Forward Proton Tagging as a means to discover new physics at the LHC (40') transparencies

B. Cox

14:40

The ExHume Monte Carlo for central exclusive production (20') transparencies

J. Monk

15:00

Diffractive dijets at the LHC (30') transparencies

A. Sobol

WG3: Heavy Quarks (10:00 ->18:30 )

Note: morning in 40-2-A01, afternoon in 40-SS-A01
Chairperson:	WG3 conveners

10:00

Summary of previous meetings: Theory (30') transparencies

M. Cacciari

10:30

Summary of previous meetings: Phenomenology (30') more information

M. Corradi

11:30

Threshold resummation for differential heavy quark structure functions (30') transparencies

E. Laenen

12:00

QCD analysis of b cross section data at 1.96 TeV (30') transparencies

M. Cacciari

14:15

Common session with WG1: (1h45')

14:20

The role of bottom pdf in Higgs and vector boson production (40') transparencies

F. Maltoni

15:00

Preliminary study of Z+b production in ATLAS (20') transparencies

A. Tonazzo

15:30

Nonlinear corrections to the DGLAP equations in view of the HERA data (30') transparencies

V. Kolhinen

16:30

Charm enhancement at the LHC due to nonlinear gluon evolution (20') transparencies

A. Dainese

16:50

Nonlinear evolution and heavy quarks (30') transparencies

K. Kutak

17:20

Q-Qbar correlations at HERA: measurements by H1 (20') transparencies

O. Behnke

17:40

Measurement of b-bbar correlations at the LHC with ATLAS (30') transparencies

T. Lagouri

WG5: MC-Tools (14:00 ->17:30 )

Chairperson:	Victor Lendermann

14:00

PYTHIA 7 / ThePEG (15') transparencies

Leif Lonnblad

14:15

HERWIG++ (15') transparencies

Stefan Gieseke

14:30

SHERPA (15') transparencies

Steffen Schumann

14:45

Particle data interface for ThePEG (15') transparencies

Peter Richardson (VRVS)

15:00

Discussion: particle data exchange (30')

16:00

LHAPDF version 3 (15') transparencies

Mike Whalley

16:15

RunMC v3.1. C++ object-oriented framework for Monte Carlo models (15') transparencies

Sergei Chekanov (VRVS) (ANL)

16:30

NLOLIB (15') transparencies

Victor Lendermann for Thomas Schoerner

16:45

Discussion: summary and proceedings of WG5 (30') more information

Tuesday, 12 October 2004

parallel sessions (09:00 ->16:45 )

WG1: Parton Density Functions (09:00 ->16:45 )

Chairperson:	M.Dittmar, S. Forte, M. Glazov, S. Moch

09:00

Averaging of DIS cross section measurements (20') transparencies

Sasha Glazov

09:20

PDFs from hadronic final state observables (30') transparencies

Tancredi Carli

09:50

ZEUS/H1 PDF analysis and prediction of Tevatron jet data (30') transparencies

Mandy Cooper-Sarkar

10:50

MRST update: PDFs with QED corrections and investigations of the high-x gluon (30') transparencies

James Stirling

11:20

Stability of global NLO pdf analyses (30') transparencies

Joey Huston

11:50

NNLO partons from HERA to LHC (30') transparencies

Sergey Alekhin

12:20

Impact of soft resummation on structure functions (30') transparencies

Gennaro Corcella

14:30

round table on LHC observables (1h0')

Michael Dittmar

15:30

Discussion and future tasks (30')

M. Dittmar, S. Forte, A. Glazov, S. Moch

16:00

Unintegrated parton densities (in common with WG1) (45')

Hannes Jung

WG2: Multi-jet Final States and Energy Flow (09:00 ->16:50 )

Chairperson:	Leif Lonnblad (Deutsches Elektronen Synchrotron (DESY))

10:00

Multi-jet topologies and multi-scale QCD (in common with WG5) (1h0')
Jet veto on MCs for gg->h at LHC (15') transparencies	Giovanna Davatz
General Search for new phenomena (15') more information	Sascha Caron
Discussion (30')

11:30

Parton shower/ME matching (in common with WG5) (1h0')
Non-Markovian Monte Carlo algorithm for QCD evolution (15') transparencies	Stanislaw Jadach
W+jets in Sherpa (15') transparencies	Steffen Schumann
Discussion (30')

14:00

Multi-jet topologies and multi-scale QCD (45')
Forward jets and pions (15') transparencies	Jacek Turnau
Jet ET spectra at LHC (15') more information	Steve Magill
Discussion (15')

14:45

Discussion: What will go in tomorrows summary? What will go in the proceedings? (45')

16:00

Unintegrated parton densities (in common with WG1) (50')
Unintegrated PDFs (20') transparencies	Hannes Jung
Discussion: How to constrain the unintegrated gluon at HERA. (30') transparencies

WG3: Heavy Flavours (09:00 ->16:45 )

Note: morning in 40-SS-A01, afternoon in 40-2-A01
Chairperson:	WG3 conveners

09:00

Discussion on benchmark cross sections (1h0') more information

M. Corradi

10:00

Structure of the final WG3 writeup (1h0') transparencies

All participants

11:00

Discussion on contributions, authorship and editors (1h0')

All participants

14:00

Preparation of review talk for plenary session (2h30')

WG3 conveners

WG4: Diffraction (09:00 ->16:45 )

09:00

AGK cutting rules for ep and pp collisions (30')

J. Bartels

09:30

3D structure of the nucleon gluon field and its implications for associated hadron production in events with dijets and new particles and for diffraction (50') transparencies

M. Strikman

10:55

Analysis of Non-Forward Gluon Amplitudes at High Energies - Nonforward Case (20') transparencies

A. Sabio-Vera

11:15

Idea for an Upgrade of Forward Region at H1 (20') transparencies

V. Andreev

14:00

Recent results on central production (25') more information

M. Boonekamp

14:25

Central Diffraction at the LHC - An Update (25') transparencies

R. Orava

14:50

(no title) (35')

15:25

Zero Degree Calorimeters and Forward Physics in CMS (30') more information

M. Murray (VRVS)

Plenary Meeting (17:30 ->18:30 )

Chairperson:	A. De Roeck

17:30

Precision Measurements at the LHC (1h0') transparencies

M. Mangano

Wednesday, 13 October 2004

Plenary session (09:00 ->12:30 )

Chairperson:	T. Sjostrand, R. Yoshida

09:00

Final states at HERA and the LHC (40') transparencies

G. Gustafson

09:40

Report on the TeV4LHC workshop (40') more information

J. Huston

10:50

Diffractive Higgs Production (40') transparencies

V. Khoze

11:30

Precisions measurments at HERA (40') more information

M. Klein

Plenary session (14:00 ->18:00 )

Chairperson:	A. De Roeck, H. Jung

14:00

Report of WG1: Structure Functions (40') more information

S. Moch, M. Dittmar

14:40

Report of WG2: Hadronic Final States (40') transparencies

N.Tuning

15:20

Report of WG3: Heavy Flavours (40') more information

transparencies

16:20

Report of WG4: Diffraction (40') transparencies

17:00

Report of WG5: MC Generators (40') transparencies

V. Lendermann

17:40

Next Steps for the workshop (20') transparencies

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