Find the mass of the muon in MeV:

The lifetime of the muon in seconds:

Find the primary quark content of the proton:

A list of leptons:

A list of baryons:

Find the list of particle names matching a string expression:

Masses of known mesons:

Log plot of the estimated effective masses of quarks and antiquarks:

Plot mass against spin for all known unflavored mesons:

Rank plot of particle lifetimes, notably showing no evidence of time quantization:

A log-log rank plot, illustrating the difference between different forms of decay:

Approximate density of known particles as a function of mass:

Number of known particles with each successive spin:

Result for mesons:

Find all particles with lifetimes above seconds:

Plot the strangeness versus for scalar mesons with masses below 1 GeV:

Vector mesons:

Get values of multiple properties for a list of particles:

Display the data as a formatted table using Grid and Text:

Use DeleteCases to filter out non-missing data:

Alternatively use Cases with Except to filter out missing data:

Use ListPlot to plot a list of property values:

Missing data is automatically excluded in plotting functions:

Use ListLogPlot when the data spans many orders of magnitude:

Use IsotopeData to find information about the nuclear isotopes:

Use ElementData to find physical and chemical properties of an element:

Using nonstandard particle and property names will not work:

Use string functions to find the standardized names:

Arithmetical operations cannot be carried out on Missing entries:

Remove the Missing entries before performing operations: