1) Be Swedish
2) Convince one of your parents to add "Bo" as a middle name (SEK 250, instant)
3) Change your surname to "Boson" (free, 3–8 weeks)
4) Optional: After it's approved, your parent may remove the middle name again (SEK 250, instant)
5) Change your first name to Higgs (SEK 250, instant)
You are now Higgs Boson