Advances in Astronomy / 2011 / Article / Tab 2

Review Article

Dark Matter: A Primer

Table 2

The particles predicted by a supersymmetric extension of the Standard Model. Limits on the masses of particles as last reported by the Particle Data Group [30].
(a) Sfermions

Generation 1Generation 2Generation 3
Particle Mass (GeV) Charge Particle Mass (GeV) Charge Particle Mass (GeV) Charge

up squark ()379 + charm squark ()379 + top squark ()92.6 +
down squark ()379 strange squark ()379 bottom squark ()89
selectron ()73−1 smuon ()94−1 stau ()81.9−1
sneutrino ()95 0 sneutrino ()94 0 sneutrino ()94 0

(b) Gauginos

Particle Mass (GeV) Description

Neutralinos ()46 Mixture of photino (), zino (), and neutral higgsino ()
Charginos ()94 Mixture of winos () and charged higgsinos ()
Gluinos ()308Superpartner of the gluon

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