istilah-khusus-dalam-struktur-atom.ppt
TRANSCRIPT
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GLUON
Pembawa gaya nuklir kuat Bertanggungjawab dalam mengikat quark
dan anti quark pada proton,netron dan meson dalam inti
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ISTILAH-ISTILAH KHUSUS DALAM STRUKTUR ATOM
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PHOTON
Pembawa gaya elektromagnet dan elektromagnetism (fenomena dan sifat keelektromagnetisan)
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WEAKON
Pembawa gaya nuklir lemah Bertanggung jawab pada peluruhan
radioaktif
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Graviton
Pembawa gaya gravitasi
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BOSON
Partikel pembawa gaya memediasi efek interaksi atau pertukaran
partikel lain
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Data Leptons
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Family
Particle Name
Particle Symbol
Electric Charge (fundamental charge)
Mass (MeV/c2)
Mean Life (seconds)
Leptons electron e- -1 0.511 stable
muon m -1 106 2.2 × 10-6
tau t -1 1,777 3 × 10-13
electron neutrino
he 0 0? stable
muon neutrino hm 0 0? stable
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Data Quark
Family
Particle Name
Particle Symbol
Electric Charge (fundamental charge)
Mass (MeV/c2)
Mean Life (seconds)
Quarks up u +2/3 1.5 to 5 N/A
down d -1/3 3 to 9 N/A
strange s -1/3 1,100 to 1,400 N/A
charm c +2/3 60 to 170 N/A
top t +2/3 ~170,000 N/A
bottom b -1/3 4,100 to 4,400 N/A
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Data Bosons
Family
Particle Name
Particle Symbol
Electric Charge (fundamental charge)
Mass (MeV/c2)
Mean Life (seconds)
Bosons photon g 0? 0? N/A
gluon g 0 0? N/A
W+ W+ +1 80,000 N/A
W- W- -1 80,000 N/A
Z Z 0 91,000 N/A
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Data Baryons
Family
Particle Name
Particle Symbol
Electric Charge (fundamental charge)
Mass (MeV/c2)
Mean Life (seconds)
Baryons proton p+ +1 938 stable
neutron n 0 940 887
positive sigma S+ +1 1,189 8 × 10-10
neutral sigma S° -1 1,193 7 × 10-20
neutral lamda l° 0 1,116 3 × 10-10
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Data Mesons
Family
Particle Name
Particle Symbol
Electric Charge (fundamental charge)
Mass (MeV/c2)
Mean Life (seconds)
Mesons positive pion p+ +1 140 2.6 × 10-8
neutral pion p° 0 135 8.4 × 10-17
negative pion p- -1 140 2.6 × 10-8
positive kaon K+ +1 494 1.2 × 10-8
negative kaon K- -1 494 1.2 × 10-8
D plus D+ +1 1,869 1.1 × 10-12
D minus D- -1 1,869 1.1 × 10-12
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