Single Idea 21213

[catalogued under 27. Natural Reality / B. Modern Physics / 5. Unified Models / b. String theory]

Full Idea

Unlike the standard model, with its 19 free parameters (including the masses of quarks, coupling constants and mixing angles), string theories have a single free paramater: the string tension.

Gist of Idea

String theory only has one free parameter (tension) - unlike the standard model with 19


Brian R. Martin (Particle Physics [2011], 10)

Book Reference

Martin, Brian R.: 'Particle Physics' [One World 2011], p.159

A Reaction

This must be one feature in favour of string theory, despite its problems.