The Mass of an Electron and Its Antiparticle,a Positron,is 0

question 89

Short Answer

The mass of an electron and its antiparticle,a positron,is 0.511 MeV/c².In order to produce an electron-positron pair,a gamma ray must have an energy larger than 1.022 MeV because __________.

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Definitions:

Interest Rate

The charge, delineated as a percentage of the initial amount, that a lender requires from a borrower for the utilization of assets.

One-sample Chi-square

A statistical test used to determine if a sample data matches a population with a specific distribution.

Goodness-of-fit Test

A statistical test used to determine how well observed data match the expected distribution or model.

Test of Independence

A statistical method used to determine whether two categorical variables are independent of each other.