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介子壽命測試儀實驗裝置

“趕超”的宇宙射線

• 測量μ介子的壽命
• 證明相對論時間膨脹
• 測量本地μ子通量
• 測量海平面高度μ子荷比
• 來源方便，真正的隨機數(shù)
• 創(chuàng)建模擬“介子”，并測量他們的一生
• 光電倍增信號處理研究

μ介子是一種自然的基本粒子。它的發(fā)現(xiàn)在1937年由卡爾·安德森標志著一個激進出發(fā)在物理學家的理解物質(zhì)的積木。雖然這是**次分配理論的核力量，這是不正確的地方，它現(xiàn)在被理解為粒子輕子家族中的重要成員。我司制成的**個商業(yè)教學儀器的學生，以確定其物理特性。 μ介子是產(chǎn)生豐富地在地球大氣層的宇宙射線和大氣中的空氣分子之間的相互作用，和其在海平面的磁通足以為學生的調(diào)查。我們的設(shè)備，使用常見的核物理和粒子物理實驗技術(shù)可以測量μ介子的壽命。的停止率μ子，作為深度的函數(shù)，在大氣中，可以用作特殊相對論的時間膨脹效應(yīng)的示范。由于個別放射性粒子的衰減時間是隨機分布的，它們是真正的隨機數(shù)的一個方便的來源。這些可以被用來證明常見的概率分布。

儀器可實現(xiàn)功能：

1/測量μ子壽命 2/測量本地μ子通量

3/測量海平面介子電荷比 4/證明相對論時間膨脹

5/方便真正的隨機數(shù)源 6/無障礙學生分析的原始數(shù)據(jù)

Introduction

"Catching" Cosmic Rays

• Measure Muon Lifetime
• Demonstrate Relativistic Time Dilation
• Measure Local Muon Flux
• Measure Sea Level Muon Charge Ratio
• Convenient Source of Genuinely Random Numbers
• Create Simulated "Muons" and Measure their Lifetime
• Study Processing of Photomultiplier Signal

The muon is one of Nature’s fundamental particles. Its discovery in 1937 by Carl Anderson marked a radical departure in physicists' understanding of the building blocks of matter. Although it was first assigned a place in theory of nuclear forces which was incorrect， it is now understood to be an important member of the lepton family of particles. TeachSpin， in collaboration with Thomas Coan and Jingbo Ye of Southern Methodist University， has made the first commercial teaching instrument for students to determine some of its physical characteristics.

The muon is produced copiously in Earth’s atmosphere by interactions between cosmic rays and atmospheric air molecules， and its flux at sea level is sufficient for student investigations. The muon’s lifetime can be measured with our apparatus using experimental techniques common to nuclear and particle physics. The stopping rate of muons， as a function of depth in the atmosphere， can be used as a demonstration of the time dilation effect of special relativity. Since the decay times of individual radioactive particles are randomly distributed， they are a convenient source of genuinely random numbers. These can be used to demonstrate common probability distributions.

With this new TeachSpin Apparatus You Can:

• Measure Muon Lifetime

• Measure Local Muon flux

• Measure Sea-level Muon Charge Ratio

• Demonstrate Relativistic Time Dilation

• Convenient Source of Genuinely Random Numbers

• Raw Data Accessible for Student Analysi