PDF4LHC Meeting

Feb 22, 2008, 8:00 AM → Feb 23, 2008, 6:00 PM Europe/Zurich

40-S2-B01 (CERN)

Meeting on PDFs for the LHC

Fri, February 22

8:00 AM → 2:00 PM Plenary Session

9:00 AM Opening and goals of the meeting

Speaker: Albert De Roeck

Slides pdf_cms2.pdf

9:10 AM Introduction to PDF4LHC

Speaker: Bryan Webber

Slides PDF4LHCbw.pdf

9:55 AM CTEQ PDF developements

Speaker: Pavel Nadolsky

Slides 080222_1.pdf

10:25 AM MRST/MSTW PDF developements

Speaker: Robert Thorne

Slides PDF4LHCMSTW.pdf

10:55 AM break

11:15 AM Comparisons of PDFs

Speaker: Mandy Cooper

Slides comparison.pdf comparison.ppt

11:45 AM Input data for PDF

Speaker: Sasha Glazov

Slides sg.pdf.pdf

12:15 PM LHC needs for PDFs

Speaker: Joey Huston

Slides pdf4lhc_huston.pdf

12:45 PM Lunch break

2:00 PM → 5:25 PM Technical Session: Needs for and input from first data of the LHC to PDF Determination

Session chair: A. Cooper-Sarkar

PROVISIONAL AGENDA!

2:00 PM Introduction and Aims

Speaker: Amanda Sarkar (University of Oxford)

Slides pdf4lhc_lhcneeds.pdf pdf4lhc_lhcneeds.ppt

2:15 PM Extracting PDF from LHC data: The ApplGrid project

Speaker: Pavel Starovoitov

Slides starovoitov.pdf

2:35 PM ATLAS studies on W mass and Drell-Yan

Speaker: Maarten Boonekamp

Slides PDF4LHC_210208.pdf

2:50 PM Drell-Yan processes at the LHC

Speaker: Alessandro Vicini

Slides Vicini.pdf

3:10 PM Z, gamma* and W at LHCb

Speaker: Jonathan Anderson

Slides lhcbpdf1.pdf lhcbpdf1.ppt

3:30 PM CMS studies

Speaker: Roberto Tenchini

Slides CMSstudies.pdf CMSstudies.ppt

3:50 PM Tea Break

Speaker: All

4:10 PM Global analysis of nuclear PDFs

Speaker: Hannu Paukkunen

Slides PDF4LHC_Paukkunen.pdf

4:35 PM LHAPDF status and plans

Speaker: Dr Mike Whalley (IPPP, UNIVERSITY OF DURHAM)

Slides lhapdf_status.pdf

4:55 PM Discussion

Speaker: All

5:30 PM → 7:00 PM Technical Session : PDF Uncertainties (first part)

5:30 PM Introduction

Speaker: Joël Feltesse

Slides PDF_Uncertainties.pdf

5:40 PM Implicit Error Blow up

Speaker: Bob Cousins

Slides pdf4lhc_cousins.pdf pdf4lhc_cousins.ppt

5:50 PM Tolerance in Global PDF Analysis

Speaker: Graeme Watt

Slides watt_pdf4lhc_tolerance.pdf

6:15 PM PDF Correlations

Speaker: Pavel Nadolsky

Slides nadolsky2.pdf

Sat, February 23

9:00 AM → 12:40 PM Technical session: PDF Uncertainties (second part)

9:00 AM Errors in PDFS

Speaker: Serguey Alekhin

Slides alekhin.pdf

9:25 AM Offset/Hessian Methods

Speaker: A.M. Cooper-Sarkar

Slides pdf4lhc_uncertainties.pdf pdf4lhc_uncertainties.ppt

9:45 AM Averaging data sets before the QCD analysis

Speaker: Sasha Glazov

Slides pdf4ave.pdf

10:05 AM Benchmark test on error propagations

Speaker: Voica Radescu

Slides voica4pdf4lhc.pdf

10:25 AM Benchmark test on error propagations with MC

Speaker: Alberto Guffanti

Slides mc_feb07.pdf

10:45 AM Beyond Correlations

Speaker: Lars Sonnenschein

Slides TS_Sonar_tica.pdf

10:55 AM General discussion aiming to agree on further tests of the various methods

11:15 AM COFFEE BREAK

Speaker: All

11:45 AM Input parameterisation and Neural Network

Speaker: Alberto Guffanti

Slides param_feb07.pdf

12:00 PM Theoretical uncertainties and inaccuracies

Speaker: Robert Thorne

Slides PDF4LHCerrors.pdf

12:15 PM Uncertainties on corrections to DGLAP and resummation

Speaker: Stefano Forte

Slides pdf4lhcres.pdf

12:25 PM Short general discussion on further studies to reduce theoretical uncertainties

2:00 PM → 5:00 PM Technical session: PDFs for MC generators

2:00 PM Welcome

2:05 PM MC author's perspective

Speaker: Dr Stephen Mrenna (FERMILAB)

Slides mc_pdf.pdf

2:20 PM MRSTLO* modified PDFs

Speaker: Dr Robert Thorne (UCL)

Slides PDF4LHCMC.pdf

2:50 PM CTEQ LO plans

Speakers: Joey Huston (Department of Physics and Astronomy), Mr Pavel Nadolsky (Argonne National Laboratory)

Slides lo_pdf_update.pdf lo_pdf_update.pdf

3:10 PM Diffractive, generalised and unintegrated PDFs

Speaker: Dr Graeme Watt (University College London)

Slides watt_pdf4lhc_diffractive.pdf

3:30 PM DESY LO4MC plans

Speaker: Krzysztof Kutak (Hamburg University)

Slides kutak.pdf

3:45 PM Unintegrated PDF's

Speaker: Krzysztof Kutak (Hamburg University)

4:00 PM Further contributions and discussions