Which book?Kajan thana said:In the book it says only via strong interaction.
Pions are subatomic particles that belong to the group of mesons, which are composed of a quark and an antiquark. They are produced via strong and weak interactions, which involve the exchange of gluons and W and Z bosons, respectively.
Pions are important in the study of nuclear forces and the structure of atomic nuclei. They also play a key role in the theory of quantum chromodynamics (QCD) and the understanding of the strong nuclear force.
Strong interactions involve the exchange of gluons between quarks, while weak interactions involve the exchange of W and Z bosons. Strong interactions are responsible for the production of pions in high energy collisions, while weak interactions are responsible for the decay of particles into pions.
Pions have a relatively short lifespan and decay quickly into other particles. They also have a spin of 0 and a charge of either +1 or -1. They are the lightest mesons and have a mass of approximately 139.6 MeV/c².
Pions are detected through their interactions with other particles, such as producing tracks in a particle detector. They can also be studied through their decay products, which can provide information about their properties. Particle accelerators are used to create high energy collisions that produce pions for study.