1963-1.pdf - KU Leuven Bibliotheken
60, p. 196; Ref. 30, p. 641]. In the equation we find two types of fields ... We can extend this exercise to all the quark flavours. When we extend to four.
60, p. 196; Ref. 30, p. 641]. In the equation we find two types of fields ... We can extend this exercise to all the quark flavours. When we extend to four.