ABSTRACT
The following convention will be used hereafter. We define the units of mass and time and length such that c = 1 ( c = 2.99793 × 10 10 cm / sec ) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429493249/61533138-873a-4296-94b7-142295055bcb/content/eq187.tif"/> ħ = 1 ( ħ = 1.0544 × 10 − 27 erg / sec ) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429493249/61533138-873a-4296-94b7-142295055bcb/content/eq188.tif"/>
