Yes, there are several other subatomic particles besides quarks. Quarks are one of the fundamental particles in the Standard Model of particle physics, which is a theory that describes the known elementary particles and their interactions. However, there are several other types of particles that are classified into different categories based on their properties. Here are a few examples:
Leptons: Leptons are another class of fundamental particles. The most familiar lepton is the electron, which is involved in electrical currents and atomic structure. The electron has two heavier counterparts, the muon and the tau, along with their associated neutrinos (electron neutrino, muon neutrino, and tau neutrino).
Gauge bosons: Gauge bosons are particles that mediate the fundamental forces of nature. For example, the photon is the gauge boson associated with the electromagnetic force, and it interacts with charged particles such as electrons. Other gauge bosons include the W and Z bosons, which mediate the weak nuclear force, and the gluon, which mediates the strong nuclear force.
Higgs boson: The Higgs boson is an elementary particle that was discovered at the Large Hadron Collider (LHC) in 2012. It is associated with the Higgs field, which gives particles their mass through interactions with the Higgs boson.
Mesons: Mesons are composite particles made up of a quark and an antiquark bound together by the strong nuclear force. They are part of a broader category of particles known as hadrons, which also includes protons and neutrons.
Baryons: Baryons are another class of hadrons and are composed of three quarks. Protons and neutrons are examples of baryons, with protons consisting of two up quarks and one down quark, and neutrons consisting of one up quark and two down quarks.
These are just a few examples of the various types of subatomic particles that have been discovered and studied. Particle physics is a dynamic field, and ongoing research continues to deepen our understanding of the fundamental particles and their interactions.