T. Jordan, Advisory Board Meeting - T. Jordan, Advisory Board Meeting - November 2002 November 2002 Advisory Board Meeting T. Jordan, Advisory Board Meeting - T. Jordan, Advisory Board Meeting - November 2002 November 2002 Data Projects Thomas Jordan FNAL [email protected]0 2×10 -6 4×10 -6 6×10 -6 8×10 -6 1×10 -5 10 0 10 1 10 2 10 3 Time (s) Decay Candidates N = 3376 τ = 2.18 x 10 -6 ± 0.12 x 10 -6 s
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T. Jordan, Advisory Board Meeting - November 2002 Advisory Board Meeting T. Jordan, Advisory Board Meeting - November 2002 Data Projects Thomas Jordan.
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T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
NSF ESIE Proposal:
. . . To facilitate classroom change, we will provide access to a wide variety of online instructional resources including raw datasets and primary sources, and manipulative,interactive and physical materials. . . .
August, 1998
Wesley Smith, University of Wisconsin, CMS TrDAS:
. . . There should be a trigger dedicated to QuarkNet. . . .
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
. . . Raw Datasets . . .
We feel that this will be iterative and have made two first-order attempts to prepare for “live” data:
• Run II website
• Online cosmic ray detector
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Run II Website:
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Run II Website:
Students are “particle detectives” searching for Higgs in the: channel.
IF YOU HAVE NEW INFORMATION CONCERNING THIS PARTICLE, PLEASE CONTACT THE NEAREST ACCELERATOR LABORATORY OR PHYSICS DEPARTMENT.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Run II Website:
They use three types of data. . . .
Plots from the experiments Excel spreadsheets Student generated plots
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Run II Website:
. . . and make cuts on b lifetime & W mass, as well as generate di-jet mass plots. Observed Data
0
50
100
150
200
250
0 50 100 150 200 250 300
Mass (GeV/c^2)
Frequency
Thanks to John Conway (Rutgers, CDF Higgs group) for the Monte Carlo Higgs and background data.
Also to William Wester (FNAL, CDF) for the data for Z and W reconstruction.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Online Cosmic Ray Detector:
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
An array of three scintillating plastic counters
A dedicated DAQ reads out the PMTs, discriminates the signals and performs all of the trigger logic.
Two triggers: >1-fold coincidence, decay candidates
A serial connection ports trigger data to an Apple machine in my office which cleans and writes the data to AFS space (QNet webserver).
Online Cosmic Ray Detector:
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Data are written in 24-hour blocks—each block starts at noon Greenwich time, the beginning of a new Julian day.
At 12.00 GMT, my computer:
• Stops the current data run.
• Starts a new data run.
• Cleans up the data from the previous day:
• Makes a backup of the original, converts from hex to decimal, and writes events to file: one for
each trigger.
Advisory Board Meeting
Online Cosmic Ray Detector:
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
0 2×10 -6 4×10 -6 6×10 -6 8×10 -6 1×10 -510 0
10 1
10 2
10 3
( )Time s
Decay Candidates
N = 3376
τ = 2.18 x 10-6 ± 0.12 x 10 -6 s
Advisory Board Meeting
Online Cosmic Ray Detector:
Students can use the data to study flux as well as events that satisfy the decay trigger.
The plot shows decay candidates from the middle counter during the first several weeks of running.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
NSF ESIE Proposal:
. . . To facilitate classroom change, we will provide access to a wide variety of online instructional resources including raw datasets and primary sources, and manipulative, interactive and physical materials. . . .
August, 1998
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Manipulative, Interactive and Physical Materials:We have ~50 of these cosmic ray detectors in QuarkNet classrooms and will soon have >100.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Who Uses These Materials?
• Students & Teachers in QuarkNet classrooms - Jason Fox
• Teachers - Bill Lamb and Jeff Rylander
• University Faculty - Mike Strauss and Darin Acosta
• QuarkNet Nodes - Everyone @ UIC node has a detector
Unfortunately, we have no hard data to answer the question, only anecdotes.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002
Advisory Board Meeting
Next Steps:
• Set up and test pilots, make edits, broaden audience.
• Finish current batch of detectors.
• Investigate the value-added of the classroom detectors.
• If that investigation is favorable, find a way to make more.
T. Jordan, Advisory Board Meeting - November 2002T. Jordan, Advisory Board Meeting - November 2002