1 / 21

The River Falls Cerebral Muon Sensor Project

The River Falls Cerebral Muon Sensor Project. David Schick James Anderson Seth Matucheski Elizabeth Denkinger. Goal.

phiala
Download Presentation

The River Falls Cerebral Muon Sensor Project

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The River Falls Cerebral Muon Sensor Project David Schick James Anderson Seth Matucheski Elizabeth Denkinger

  2. Goal • Our goal was to try and measure the direction in which the muon air showers came from by setting up our detectors horizontally in a line and change the orientation of the line.

  3. Setup • Initially we placed the three detectors in a line running from east to west. • Each detector was two meters apart. • After two weeks we changed the orientation so that the detectors were positioned north to south. • The first and second detector were separated by 2.5 meters and the third detector was 2 meters after that. • Another two weeks after that we again changed the orientation into a diagonal line running northeast to south west. • Each detector was 2 meters south of the previous one and 2 meters west of the previous one.

  4. N

  5. Procedure • Tried to find the average depth of the muon shower • Analyzed only coincidences where at least three events occurred • Changed the Event Gate while keeping all other parameters constant

  6. Shower Depth • Analyzing our data, we found that most of the coincidences occurred in the event gates between 15 and 25ns • 97.4% of coincidences happened within 25ns of each other • 1ns ≈ 1ft • The showers have an approximate depth of 25ft, or 7.62m

  7. Looking for Direction • Data needed to be analyzed using the optimal event gate of 25ns • Each configuration analyzed independently • Sorted and counted coincidences by the order in which the sensors triggered • Triggering order indicates the approximate direction showers originated from

  8. Analysis • Looked at four distinct coincidences • #1: A cascade of events following a path starting with channel 0  North or East • #2: A cascade of events following a path starting with channel 2  South or West • #3: A coincidence in which cannel 1 is hit before the other two  Down • #4: A coincidence where both channel 0 and 2 are both hit before channel 1  Unknown N

  9. Orientation 1 (East  West) Orientation 1 North  South Unknown Direction Orientation 3 (Down)

  10. Results

  11. Conclusion • Several Conclusions we could come up with • 1. Most of the muon showers appeared to come from a point in orbit that is directly over our detectors. • 2. Most muon showers come from above because most muons do not have the lifespan to make it down to our detectors to show which direction they came from. • Both conclusion are highly unlikely

  12. Conclusions • Results may have come from systematic errors in the detectors and software • Accuracy in our configurations may not have been conducive to detecting a meaningful amount of directionality.

  13. Next Steps • Switch order of detectors to see if that caused the inconsistencies • Coordinate detectors to improve plane of incidence • Calibrate scintillators so they all receive data at exactly the same frequency.

  14. References • Cosmic Ray e-lab http://www18.i2u2.org/elab/cosmic/home/cool-science.jsp

More Related