Teaching Modern Physics - QuarkNet - Fermilab

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We need to remember 2D polar coordinates. Given a specific momentum and azimuthal angle (p, φ ) (and assuming the particle is massless), we can write: So let’s do an example. p p E x y = p cosφ = = psinφ Event #1 µ1 µ2 Sum Sum 2 ϕ 108° 336° P Gev/c 65.4 38.2 Px Gev/c -20.21 34.90 14.69 215.74 (GeV/c) 2 Py Gev/c 62.20 -15.54 46.67 2177.32 (GeV/c) 2 E Gev 65.4 38.20 103.60 10733.01 (GeV) 2 1 c 1 = 2 c = 2 pc 2 2 2 2 2 m = E − c p − c p 2 x y 10733. 01 91. 3 GeV/c − 141 215. 74 − 2177. 32
Z Boson Mass Reconstruction for DØ Events Student 3D-Version 1 1 Event #1 µ1 µ2 ϕ 108° 336° θ 54° 107° P 42.3 GeV 56.0 GeV 2 Event #3 µ1 µ2 ϕ 78° 249° θ 42° 137° P 33.3 GeV 56.5 GeV Mass: Mass: 2 142 Event #2 µ1 µ2 ϕ 70° 315° θ 40° 80° P 70.1 GeV 53.6 GeV Mass: Mass: 1 1 Event #4 µ1 µ2 ϕ 103° 296° θ 78° 112° P 31.6 GeV 65.3 GeV 1 2 2
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Materials for Teaching Modern Physi
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Which activities did you use in you
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Materials for Teaching Modern Physi
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QuarkNet is a nationwide program th
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Radioactivity PowerPoint Presentati
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Problems & Worksheets * This activi
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The Cloud Chamber: In the Nobel Pri
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Instructions for teacher to give to
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Teacher’s Key Constant Velocity P
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Sample Problem: Free Fall and Proje
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3. Cindy drops a cherry pit out the
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2. Running at 2 m/s, Chris, the 50-
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3. A 55-kg swimmer is standing on a
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Analysis to prove that momentum was
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Teacher’s Key Circular Motion Pro
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Student Worksheet Constant Accelera
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Teacher’s Key Constant Accelerati
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The Electron 1. What is the value o
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5. A negatively charged oil drop we
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The History of the Electron Workshe
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Student Worksheet Motion of Charged
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Particle Quiz 2 Answer each questio
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. What is the direction of the magn
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High V The Three Experiments in One
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For path B… The cathode ray inter
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In his experiment, Millikan tried t
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Notes on the Electron PowerPoint Pr
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Student Worksheet Index of Refracti
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Teacher’s Key Index of Refraction
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4. A common particle detector techn
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Student Worksheet WARP SPEED Step 1
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Step 1. Select Race for Energy and
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Step 1. Select Law ‘n Order. Step
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Teacher’s Notes The Half-Life of
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a. What do the graphs of the class
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Time (min) 1 2 3 4 5 6 7 8 9 10 11
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1. What is half-life? Half-Life Pra
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Radioactivity The emission of alpha
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Beta Particle • An electron emitt
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Penetrating Power Radioactive Sourc
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. How far does the muon travel, as
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4a. Can a person, in principle, tra
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4. In a high-energy collision betwe
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Modern Physics The Ultraviolet Cata
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By the way, the y-axis of these gra
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5. OK, so that’s real data from r
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Page 121 and 122: Draw Geiger, Marsden, and Rutherfor
Page 123 and 124: Explain why Balmer/Rydbergh’s for
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Page 127 and 128: 10. Describe how particle physics a
Page 129 and 130: Particle Acceleration (Principles)
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Page 133 and 134: Multistage Accelerators (LINAC) 1 2
Page 135 and 136: Particle Accelerators Why were they
Page 137 and 138: Cyclotrons are constructed as two
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Page 141 and 142: QUIZ ON PARTICLE ACCELERATORS 1. De
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Page 145 and 146: There are 12 elementary particles t
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Page 161 and 162: 3D Z Boson Mass Reconstruction Answ
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Page 165 and 166: 7. J. J. Thompson applied a net for
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Page 175 and 176: Anticharm ( c ) Antimatter Quark Ch
Page 177 and 178: Gluon Gauge boson Force carrier: St
Page 179 and 180: 3. -1 charge 4. Positron 4. Antimuo
Page 181 and 182: Standard Model Review - Answer Key
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Page 187 and 188: 5. Now draw the p vectors of p + an
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Page 191 and 192: Newton’s Universal Law of Gravita
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Page 199 and 200: Fermilab’s Accelerators This is a
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A Game for Building a Detector http
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us. An alternate “radiation” so
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Day 4: 1. Question of the Day: A ha
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Teacher Resources: 1. Standard Mode
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Teaching Modern Physics - QuarkNet - Fermilab

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