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Teaching Modern Physics - QuarkNet - Fermilab

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1<br />

Z Boson Mass Reconstruction for DØ Events<br />

Student 3D-Version 3<br />

Event #1 µ1 µ2<br />

ϕ 108° 336°<br />

θ 74° 34°<br />

P 48.49 GeV<br />

2<br />

Mass: 90.9 GeV<br />

Event #3 µ1 µ2<br />

ϕ 78° 249°<br />

θ 84° 64°<br />

P 31 GeV<br />

2<br />

Mass: 92.2 GeV<br />

144<br />

Mass: 87.3<br />

GeV<br />

Event #2 µ1 µ2<br />

ϕ 70° 315°<br />

θ 69° 98°<br />

P 38.6 GeV<br />

1 1<br />

Mass: 86.2 GeV<br />

Event #4 µ1 µ2<br />

ϕ 103° 296°<br />

θ 47° 104°<br />

P 37.06 GeV<br />

1<br />

2<br />

2

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