Problems

Problem 21-1: π⁻ – π⁻ scattering the c.m. system. There are two diagrams: https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429492501/e6a0c676-1f8d-4684-97a0-6bf3353f7ce0/content/pg101_1.tif"/>