18/07/22 04:01:57.95 Su354pOa.net
>>697
都合よく重いというのはファインチューニングをしているということか?
URLリンク(en.wikipedia.org)
Some supersymmetric theories require a cosmological constant that is exactly zero, which further complicates things.
This is the cosmological constant problem, the worst problem of fine-tuning in physics: there is no known natural way
to derive the tiny cosmological constant used in cosmology from particle physics.