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What (who) is pseudoscalar product - definition
MESON WITH TOTAL SPIN 0 AND ODD PARITY
Pseudoscalar mesons
Pseudoscalar
SCALAR QUANTITY, CHANGING SIGN IN MIRRORED COORDINATES
Pseudo-scalar; Pseudoscalar (mathematics); Pseudoscalar (physics)
In linear algebra, a pseudoscalar is a quantity that behaves like a scalar, except that it changes sign under a parity inversion while a true scalar does not.
Product (category theory)
GENERALIZED OBJECT IN CATEGORY THEORY
Categorical product; Product category theory; Category product
In category theory, the product of two (or more) objects in a category is a notion designed to capture the essence behind constructions in other areas of mathematics such as the Cartesian product of sets, the direct product of groups or rings, and the product of topological spaces. Essentially, the product of a family of objects is the "most general" object which admits a morphism to each of the given objects.
Product (chemistry)
SUBSTANCE (SPECIES) FORMED FROM A CHEMICAL REACTION
Product (biology); Chemical products; Product (biochemistry)
Products are the species formed from chemical reactions. During a chemical reaction reactants are transformed into products after passing through a high energy transition state.
Wikipedia
Pseudoscalar meson
In high-energy physics, a pseudoscalar meson is a meson with total spin 0 and odd parity (usually notated as JP = 0− ). Pseudoscalar mesons are commonly seen in proton-proton scattering and proton-antiproton annihilation, and include the pion (π), kaon (K), eta (η), and eta prime (η′) particles, whose masses are known with great precision.
Among all of the mesons known to exist, in some sense, the pseudoscalars are the most well studied and understood.
