
LHC Fellows Workspace
Submitted by kcecire
on Monday, October 8, 2012 - 10:48
This is where LHC and Neutrino fellows try out ideas, build agenda pages, and keep our important docs.
Description
Development and utilities for the QuarkNet LHC fellows.
LHC Data Workshop at AAPT

13 June 2013
Welcome to the LHC Data Workshop at the AAPT Summer 2013 Meeting. We will focus on the ATLAS detector in the Large Hadron Collider at CERN. This workshop is organized by the QuarkNet collaboration.
Agenda08:00 Coffee and Registration 08:30 ATLAS overview 09:00 ATLAS Virtual Visit 10:00 Activity 1: Rolling with Rutherford (spreadsheet) 11:00 Activity 2: Mass Calc: Z 12:00 lunch 13:00 ATLAS Z masterclass measurement (OPloT) 15:00 Discussion of results 15:30 Activity 3: Plotting LHC Discovery 16:30 Evaluation and final discussion 17:00 End of day |
ObjectivesParticipating teachers are enabled to:
Resources
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CMS Data Express e-Lab Edition

Introduction
CMS Data Express is a short particle physics masterclass investigation that can be used as part of a workshop or as a short class project. The e-Lab Edition is specifically for use with the CMS e-Lab. Participants examine static displays of a limited number of events. The main goal is to separate Z candidate events other events by visual inspection and then create mass plot for the Z boson.
The Z boson is important in LHC discovery science and as a marker for calibration of LHC detectors: it is a well-known particle, so the location and width of the mass plot give physicists a good idea of how the detector is performing. The Z candidate events are "dimuon" events; the Z can decay into a muon pair. Z candidates are identified by 2 long muon tracks. Participants will search for Z candidates in the data.
Instructions
Individual or pair:
- Participate in analysis prep seminar
- Open the event display file
- Go to set of events assigned
- Determine whether each event is a Z candidate (2 distinct muon tracks)
- If the event is a Z candidate, note the mass, round to nearest odd number, record
- When finished, count how many instances of each odd number you have recorded
Group:
- Combine numbers of "odd masses" in all groups. (Download xls.)
- Create a histogram for whole group to observe.
Discussion
The histogram created by the group is a mass plot. Since the mass of any one type of particle is uncertain by nature and due to experimental uncertainty, it will have a distribution the peak of which is the experimental determination of the mass. Creation of mass plots and other histograms are the central measurements made in the CMS e-Lab but with many more events than used in this exercise.
Resources
ATLAS and CMS Data Workshops Preflight

Lead Teachers and Mentors should prepare the following for a CMS or ATLAS Data Workshop:
Materials
- Name tags and markers/pens
- Workshop evaluation forms - print one for each teacher
- Rolling with Rutherford: Marbles or balls, flat even space, ruler(s) or meter stick(s), optional targets
- Printed events, protractors, scientific calculators for Z Mass or Top Mass activities
- Other activity printouts (see agenda)
Venue
- Tables, outlets, lighting, space, etc.
- Set-up and clean-up of room
- Venue/parking passes if needed
- Food related: tea, snack, lunch?
- One computer for each two participants with good internet connection
- Projector and screen
- Webcam/mic/speakers or H.323 (Polycom or equivalent) for videoconference
- Black/white board & markers
- Access to a printer
Human
- Mentor presence
- Physicist to speak on CMS, ATLAS, or LHC; suggestions:
- include a bit about standard model
- introduce CERN, LHC, and CMS or ATLAS
- say a bit about speaker's research
- keep it simple and at a very general level - know the audience
- Ongoing communication before and after workshop
- International workshops: translators helpful
CMS Data Workshop at Cincinnati

Objectives
Participating teachers:
- gain knowledge and skills to successfully complete investigations using LHC data;
- interpret event displays from CMS and explain their meaning;
- conduct LHC investigations with students and successfully prepare them for masterclass; and
- assist mentors in organizing and facilitating a masterclass.
Agenda
Monday 10 June 201309:00 Coffee and Registration 09:30 Talk: The CMS Experiment 10:30 Particle physics explorations 11:30 Activity 1: Rolling with Rutherford 12:30 lunch 13:30 Housekeeping 14:30 Activity 2: Calculate the Top Mass 15:30 Discussion 16:00 End of day |
Tuesday 11 June 201309:00 Coffee and reflections 09:30 CMS W/Z Measurement 11:00 Fermilab Virtual Visit 12:00 Plotting LHC Discovery 12:30 lunch 13:30 CMS Data Express or Data Exploration 15:00 Discussion and Evaluation 16:00 End of workshop |
Resources
CMS Data Workshop at Rutgers

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Objectives
Participating teachers:
- gain knowledge and skills to successfully complete investigations using LHC data;
- interpret event displays from CMS and explain their meaning;
- conduct LHC investigations with students and successfully prepare them for masterclass; and
- assist mentors in organizing and facilitating a masterclass.
Agenda
Monday 8 July 201309:30 Coffee and Registration 10:00 Introduction 10:30 Talk: The CMS Experiment 11:30 Activity 1: Rolling with Rutherford 12:00 lunch 13:00 Activity 2: Calculate the Z Mass 14:00 CMS Data Express 15:00 Discussion 15:30 Fermilab Virtual Visit 16:00 End of day |
Tuesday 9 July 201309:30 Coffee and reflections 10:00 CMS W/Z Measurement 12:00 lunch 13:00 Advanced data exploration (choice): 15:00 Discussion and Evaluation 16:00 End of workshop |
Resources
- Preflight checklist for center leaders
- International Masterclasses
- Rutgers QuarkNet Center group pages
- Schedule of Workshops
- Guide to LHC Fellows Workshop
Contacts
LHC Fellows Workshops Annotated Guide

The QuarkNet LHC fellows offer several workshops related to using experimental data from CERN with students and teachers. Choose the workshop title to link to further information.
Summer Workshops
Workshops Summer 2013

Dates | Location | Type | Facilitator(s) | Other |
Jun 10-11 | Cincinnati | CMS Data | Cecire | UC |
Jun 27-28 | West Lafayette | CMS e-Lab | Cecire | Purdue |
Jul 8-9 | New Brunswick | CMS Data | Cecire, Wadness | Rutgers |
Jul 11-15 | Portland | ATLAS Data | all hands | AAPT |
Aug 5-6 | Minneapolis | CMS e-Lab | Wood | CSS (Snowmass meeting) |
Aug 7-8 | Dallas | CMS e-Lab | Wood, Restivo | SMU |
Aug 8-9 | Seattle | CMS e-Lab | Cecire, Trapp | UW |
Aug 13-14 | Minneapolis | CMS Data | Wood, Anderson | UMN |
