In particle physics, preons yog cov ntsiab lus hais, xeeb los ntawm cov khoom sib txuas ntawm quarks thiab lepton. Lo lus tau tsim los ntawm Jogesh Pati thiab Abdus Salam, xyoo 1974.
Puas yog quark Qhov tsawg tshaj plaws?
Quarks yog ntawm cov khoom me tshaj plaws hauv lub ntiaj teb, thiab lawv nqa tsuas yog cov nqi hluav taws xob xwb. Cov kws tshawb fawb muaj ib lub tswv yim zoo txog yuav ua li cas quarks ua tau li cas los xij, tab sis cov khoom ntawm ib tus neeg quarks tau nyuaj rau kev thuam vim lawv tsis tuaj yeem pom sab nraud ntawm lawv cov hadrons.
Puas muaj qee yam me dua li qhov quark?
Txoj kab uas hla ntawm cov proton yog ntau npaum li ib millimeter muab faib los ntawm ib txhiab billion (10^-15m). Physicists tseem tsis tuaj yeem piv qhov loj dua: quark, Higgs boson lossis electron. … "Yog li peb tuaj yeem hais tias ib qho hluav taws xob sib zog dua li quark, tab sis peb tsis tuaj yeem hais tias nws me dua quark" - xaus lus Prof. Wrochna.
Dab tsi me dua li Preon?
Preons yog cov lus xav tias me dua lepton thiab quarks uas leptons thiab quarks tau tsim tawm. … Cov protons thiab neutrons tsis yog indivisible - lawv muaj quarks hauv.
Puas yog txoj hlua me dua li quark?
Txoj hlua yog ntau me dua li qhov tsawg tshaj plaws subatomic particle uas, rau peb cov cuab yeej, lawv saibzoo li cov ntsiab lus. … Txhua qhov quark yog ib txoj hlua. Yog li txhua tus electron. Thiab yog li ntawd yog qhov sib txawv heev uas tsis yog ib feem ntawm qhov teeb meem tab sis hloov pauv peb lub zog.
