Table 33.2 Selected Particle Characteristics Rest mass Lifetime (5) Particle Category Symbol Antiparticle (MeV/e?) Le Lu LT name Gauge Photon Self Stable 80.39x10 91.19x10 w+ 1.6х 10-25 Bosons z° Self 1.32x10-25 Electron et 0.511 Stable Neutrino (e) 0(7.0eV) 16] Ve Ve ±1 Stable Muon 105.7 ±1 2.20x10-6 Leptons Neutrino (H) O( < 0.27) 10 ±1 Stable 1777 2.91x10-13 Tau Neutrino (7) O( < 31) Vr ±1 Stable Hadrons (selected) 139.6 2.60 x 10 - Pion Self 135.0 8.4 x 10 -17 к+ к" ±1 124 x 10 -3 Mesons 493.7 Kaon 497.6 0.90 x 10 -10 Eta Self 547.9 2.53 x 10 -19 (many other mesons known) Proton 938.3 +1 Stable Neutron 939.6 +1 882 Lambda ло ло 王1 1115.7 +1 2.63 x 10 -10 Σ Σ- 1189.4 21 王1 0.80 x 10 -10 Baryons Sigma Σ0 호이 1192.6 21 王1 7.4 x 10 -20 Σ 1197.4 +1 王1 148 x 10 -10 1314.9 +1 72 2.90 x 10 -10 Xi 1321.7 :1 王2 1.64 x 10 -10 Omega 1672.5 :1 10 王3 -10 0.82 x 10 Table 33.4 Quark Composition of Selected Hadrons1) Particle Quark Composition Mesons иd üd då mixturel12) ,0 ий, dd mixture13) EP ds к* и5 к" йs Jlw cč bѣ Baryons14157 инd udd 4° udd иud A- ddd A++ 10 uds ΣΟ uds Σ. ΣΤ dds dss

Table 33.2 Selected Particle Characteristics Rest mass Lifetime (5) Particle Category Symbol Antiparticle (MeV/e?) Le Lu LT name Gauge Photon Self Stable 80.39x10 91.19x10 w+ 1.6х 10-25 Bosons z° Self 1.32x10-25 Electron et 0.511 Stable Neutrino (e) 0(7.0eV) 16] Ve Ve ±1 Stable Muon 105.7 ±1 2.20x10-6 Leptons Neutrino (H) O( < 0.27) 10 ±1 Stable 1777 2.91x10-13 Tau Neutrino (7) O( < 31) Vr ±1 Stable Hadrons (selected) 139.6 2.60 x 10 - Pion Self 135.0 8.4 x 10 -17 к+ к" ±1 124 x 10 -3 Mesons 493.7 Kaon 497.6 0.90 x 10 -10 Eta Self 547.9 2.53 x 10 -19 (many other mesons known) Proton 938.3 +1 Stable Neutron 939.6 +1 882 Lambda ло ло 王1 1115.7 +1 2.63 x 10 -10 Σ Σ- 1189.4 21 王1 0.80 x 10 -10 Baryons Sigma Σ0 호이 1192.6 21 王1 7.4 x 10 -20 Σ 1197.4 +1 王1 148 x 10 -10 1314.9 +1 72 2.90 x 10 -10 Xi 1321.7 :1 王2 1.64 x 10 -10 Omega 1672.5 :1 10 王3 -10 0.82 x 10 Table 33.4 Quark Composition of Selected Hadrons1) Particle Quark Composition Mesons иd üd då mixturel12) ,0 ий, dd mixture13) EP ds к* и5 к" йs Jlw cč bѣ Baryons14157 инd udd 4° udd иud A- ddd A++ 10 uds ΣΟ uds Σ. ΣΤ dds dss

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Particle Physics

Section: Chapter Questions

Problem 18P

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Concept explainers

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions:

Question

Verify the quantum numbers given for the Ω⁺ in (33.2) by adding the quantum numbers for its quark constituents as inferred from (33.4).

Table 33.2 Selected Particle Characteristics
Rest mass
Lifetime
(5)
Particle
Category
Symbol
Antiparticle
(MeV/e?)
Le
Lu
LT
name
Gauge
Photon
Self
Stable
80.39x10
91.19x10
w+
1.6х 10-25
Bosons
z°
Self
1.32x10-25
Electron
et
0.511
Stable
Neutrino
(e)
0(7.0eV) 16]
Ve
Ve
±1
Stable
Muon
105.7
±1
2.20x10-6
Leptons
Neutrino
(H)
O( < 0.27)
10
±1
Stable
1777
2.91x10-13
Tau
Neutrino
(7)
O( < 31)
Vr
±1
Stable
Hadrons (selected)
139.6
2.60 x 10 -
Pion
Self
135.0
8.4 x 10 -17
к+
к"
±1 124 x 10 -3
Mesons
493.7
Kaon
497.6
0.90 x 10 -10
Eta
Self
547.9
2.53 x 10 -19
(many other mesons known)
Proton
938.3
+1
Stable
Neutron
939.6
+1
882
Lambda
ло
ло
王1
1115.7
+1
2.63 x 10 -10
Σ
Σ-
1189.4
21
王1
0.80 x 10 -10
Baryons
Sigma
Σ0
호이
1192.6
21
王1
7.4 x 10
-20
Σ
1197.4
+1
王1
148 x 10 -10
1314.9
+1
72 2.90 x 10 -10
Xi
1321.7
:1
王2
1.64 x 10 -10
Omega
1672.5
:1
10
王3
-10
0.82 x 10

Table 33.4 Quark Composition of
Selected Hadrons1)
Particle
Quark Composition
Mesons
иd
üd
då mixturel12)
,0
ий, dd mixture13)
EP
ds
к*
и5
к"
йs
Jlw
cč
bѣ
Baryons14157
инd
udd
4°
udd
иud
A-
ddd
A++
10
uds
ΣΟ
uds
Σ.
ΣΤ
dds
dss

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