There is no single star called "alpha" or "beta". The brightest stars (usually) in each constellation are called "alpha" and "beta", followed by the Latin genitiv of the constellation; for example, "alpha centauri", "beta centauri", "alpha orionis", "alpha cruxis", etc.
Three of the brightest stars are called alpha apodis, beta apodis, and gamma apodis.
beta
Cassiopeia, named after a queen in Greek mythology, is located in the northern sky. Some of its stars are Alpha Cassiopeiae, also known as Shedir; Beta Cassiopeiae, also called Caph; and Gamma Cassiopeiae. Another is Delta, which is also called Ruchbah.
Alpha ophiuchi, beta ophiuchi, etc.
Alpha, beta, gamma, and delta.
Alpha Beta
The Pegasus Constellation has several primary stars. They are Markib, Alpha Andromedae, Alpha Pegasi, Beta Pegasi, and Algenib. Alpha Pegasi is the brightest star in the grouping.
There are three main stars found in the constellation Aries, Alpha Arietis, Beta Arietis, and Gamma Arietis.
Alpha Cancri, Beta Cancri, Gamma Cancri, etc.
Product of radioactive decay 42He is an alpha particle
Actually, it is five: Alpha Crucis, Beta Crucis, Gamma Crucis, Delta Crucis, and Epsilon Crucis.
Alpha Cancri, Beta Cancri, Gamma Cancri, etc.