Elementary particles, ib lo lus hauv physics, hais txog cov khoom me lossis / thiab feem ntau ntawm cov teeb meem uas tib neeg paub, thiab yog lub hauv paus rau txhua yam khoom. Ntawd yog: cov khoom ntim tsawg tshaj plaws tsis tas hloov cov khoom ntawm lub zog. Nws yog lub hauv paus rau txhua yam khoom, thiab nws tsis yog qee yam khoom vim tias nws muaj me me. Tab sis tom qab qhov kev tshawb nrhiav quark tau tso rau pem hauv ntej, cov neeg paub tias cov khoom qov qis kuj muaj cov txheej txheem nyuaj, yog li cov lus" qib pib cov" feem ntau tsis tau hais txog.
Raws li kev sib txawv ntawm cov tub rog sib txawv, cov phaj pib tau muab faib ua peb pawg: quarks, leptons thiab propagators. Raws li lub tswv yim kev ntsuas ntawm quantum teb kev tshawb xav, cov khoom puag thaum ub raug kho raws li taw tes hais.
Elementary particles kuj yog kev kawm rau kev kawm lus philosophy. Muaj ntau cov kev tshawb fawb txuj ci ntau. Cov kws tshawb fawb siv cov khoom siv hluav taws xob kom ceev nrawm qee qhov me me, thiab qee zaum siv cov txheej txheem sib tsoo particle los kawm qhov xwm txheej thiab sib xyaw ntawm cov phaj pib.