Minimum Bias and Underlying Event Working Group

1 Mar 2010, 08:00 → 2 Mar 2010, 18:00 Europe/Zurich

TH Theory Conference Room (CERN)

Michelangelo Mangano (CERN)

BOOKED a meeting in EVO.

Title: Minimum Bias and Underlying Event Working Group

Description: Minimum Bias and Underlying Event Working Group

Community: Universe

Meeting Access Information: - Meeting URL-

evo.caltech.edu/evoGate/koala.jnlp

Phone Bridge ID: 1670901

Monday 1 March

09:30 → 13:00 Minimum Bias, LHC experimental results

09:30 Welcome coffee

Served in the TH common room, on the floor under the TH Auditorium, in front of the TH secretariat

10:00 Introduction

Setting the goals for the meeeting

Speaker: Michelangelo Mangano (CERN)

Slides Mar1-MLM-Intro.pdf

10:20 ALICE

Speaker: Jan Fiete Grosse-Oetringhaus (CERN)

Slides JFGO6.pdf JFGO6.ppt

11:00 ATLAS

Speakers: Emily Nurse, William H. Bell (Universite de Geneve)

Slides minbias-lhc-20100301.pdf UEMBWorkingGroup.pdf

11:40 CMS

Speaker: Mr Edward Allen Wenger (Massachusetts Inst. of Technology (MIT))

Slides MB_UE_Workshop_CMS_results_Wenger.pdf

12:20 LHCb

Speaker: Michael Schmelling

Slides lhcb.pdf

13:00 → 14:00 lunch break

14:00 → 16:30 Modeling of MB and diffraction

14:00 Min-Bias Models - The modeling of SD, DD, and ND

Speaker: Peter Skands (CERN)

Slides Skands-UEMB.pdf

14:45 Discriminating power of forward calorimetric observables for MB&UE modeling

Speaker: Hannes Jung

Slides forward-energy.pdf

15:05 Discussion

- First assessment of the inputs from the available LHC data - Overview of additional observables providing inputs for the understanding of MB data: correlations (pT versus Nchg, etc), forward observables, input from TOTEM, etc.

Slides UEMBWorkingGroup.pdf

16:00 coffee break

16:30 → 18:30 Modeling of MB and diffraction: Impact of MC modeling on the extraction of luminosity from MB triggers

16:30 MC studies

Speaker: Dr Beate Heinemann (LBNL and UC Berkeley)

Paper lumiMC.pdf

Tuesday 2 March

09:00 → 10:30 Underlying event issues

09:00 Current status of our understanding of the UE and its relationship to MB

Speaker: Richard D. Field

Slides UE&MB@LHC_RickField_3-2-10.pdf UE&MB@LHC_RickField_3-2-10.ppt

09:40 On the characterisation of the underlying event

Speaker: Sebastian Sapeta

Slides sapeta-uecern10.pdf

10:00 Discussion

10:30 → 11:00 coffee break

11:00 → 13:00 Tuning issues

11:00 Introduction

Speaker: Michelangelo Mangano (CERN)

Slides Mar2-MLM-Tuning.pdf

11:15 Remarks from ATLAS

Speaker: Dr Judith Katzy (DESY, HAMBURG)

Slides AtlasTuningStrategy.pdf

11:30 Remarks from CMS

Speaker: paolo bartalini

Slides bartalini-MBUEws.pdf bartalini-MBUEws.ppt

11:50 Remarks from LHCb

Speaker: Raluca Muresan

Slides RalucaMuresanMBmeeting.pdf

12:10 More Remarks

Speaker: Dr Andy Buckley (University of Edinburgh)

Text notes buckley-mbue.txt

13:00 → 14:00 Lunch break

14:00 → 16:30 Executive session

Meeting of the WG conveners