The Decay of a Neutron into a Proton and Electron $\rarr$

question 47

Multiple Choice

The decay of a neutron into a proton and electron (n $\rarr$ p + e^-) is not allowed because of which one of the following conservation laws?

• A)electric charge
• B)spin angular momentum
• C)energy
• D)lepton number
• E)Both B and D are correct.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a higher standard deviation indicates greater variability.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, with a certain level of confidence.

Population Mean

The average value of all the elements in a population, representing the central tendency of that population.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values in a dataset deviate from the mean.