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A.D.O.M

Airborne.Detector.of.Muons Tye Barba Anna Chang Natalina DeFusco David Hood. A.D.O.M. Background Info. A muon is an elementary particle that is a very heavy electron Lifetime of 2.2 microseconds, makes up more then half of cosmic radiation

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A.D.O.M

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  1. Airborne.Detector.of.Muons Tye Barba Anna Chang Natalina DeFusco David Hood A.D.O.M

  2. Background Info • A muon is an elementary particle that is a very heavy electron • Lifetime of 2.2 microseconds, makes up more then half of cosmic radiation • Created when cosmic rays (mostly protons) from deep space hit the earth’s atmosphere at about 15,000m

  3. Experiment Description • Two Photomultiplier tubes (PMT), a scintillator panel and a QNET board are sent up to 1000 ft to detect a change in the rate of muons • Hypothesis- more muons will be detected at a higher altitude

  4. Description of equipment (a)‏ Scintillator panel PMT QNET board (a)‏ X-BEE Transmitter (b)‏ Power Supply (c)‏ (b)‏ (b)‏ (c)‏

  5. Procedure • A gondola was constructed and attached to a weather balloon and lifted to 1000 ft. • Data was taken for 30 min. • A XBEE transmitter transmits the data to a receiver on the ground. • The counts are graphed and analyzed

  6. TheData • At ground level the rate was 2.6 counts per minute • At 766ft the rate was 94.1 counts per minute • We did have a very large discrepancy between the rates from the ground and at 766ft • About 36 times more muons at 766ft than at ground level

  7. Sample Data E966E0C7 BB 01 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 E966E0C8 01 30 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 B5912928 B7 01 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 B5912929 01 23 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 E53FE6DC A9 2C 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 66F9087C B2 3D 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 A54678A5 A6 29 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 61B26F7C B2 35 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 13FA3F9F AB 37 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 99063824 A4 29 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 E4435891 AC 35 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 021CEF6D BE 01 00 01 00 01 00 01 00000000 0 0 0 0 8 +0000 ][|\| |-|3X/-\|)3(][/\/\/-\|_!!! (hexadecimal)‏

  8. Conclusion • We checked the PMT and threshold voltages • For this test, the data is valid • If repeated, the data would probably change • To improve, we would take more sets of data to reduce the error and take an average

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