Subscribe to our newsletter. A family of particles that are the fundamental constituents of hadrons. There are six known types of quark, all of which have been observed indirectly through experiments. They are the up, down, strange, charm, bottom and top quarks.
Quarks interact via the strong force which is mediated by gluons.
Baryons consist of three quarks while mesons consist of a quark and an anti-quark. Quarks are the only particles known to have charges that are not integer multiples of the charge of the electron. They offer to buy or sell new and used college textbooks. Branson ultrasonic cleaners - buy on line Buy Bransonic table top ultrasonic cleaners on line. Ideal for jewelry, pipettes, dental instruments, and small components.