Difference between revisions of "Isotopes of carbon"

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(→‎All isotopes)
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! Mass/u
 
! Mass/u
 
! rowspan=2 | <u>Excess energy</u><br/>MeV
 
! rowspan=2 | <u>Excess energy</u><br/>MeV
−
! rowspan=2 | <u>Binding energy</u><br/>MeV
+
! rowspan=2 | <u>Binding energy/A</u><br/>MeV
 
! rowspan=2 | <u>β<sup>−</sup>-decay energy</u><br/>MeV
 
! rowspan=2 | <u>β<sup>−</sup>-decay energy</u><br/>MeV
−
! rowspan=2 | Nuclear<br/>spin
+
! rowspan=2 | Spin
 
! rowspan=2 | Half life
 
! rowspan=2 | Half life
−
! rowspan=2 | Decay mode, energy
+
! rowspan=2 | Decay mode,<br/>energy
 
|-
 
|-
 
! colspan="3" | Excitation energy/MeV
 
! colspan="3" | Excitation energy/MeV
Line 27: Line 27:
 
| 3.0978(29)
 
| 3.0978(29)
 
| —
 
| —
−
| 0
+
| align=center | 0
 
| 2.0(4) zs
 
| 2.0(4) zs
 
| 2p (100%)
 
| 2p (100%)
Line 38: Line 38:
 
| 4.337 48(24)
 
| 4.337 48(24)
 
| —
 
| —
−
| −{{frac|3|2}}
+
| align=center | −{{frac|3|2}}
 
| 126.5(9) ms
 
| 126.5(9) ms
 
| β<sup>+</sup> (100%)
 
| β<sup>+</sup> (100%)
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| 6.032 041(40)
 
| 6.032 041(40)
 
| −23.10(40)
 
| −23.10(40)
−
| 0
+
| align=center | 0
 
| 19.290(12) s
 
| 19.290(12) s
 
| β<sup>+</sup> (100%)
 
| β<sup>+</sup> (100%)
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| 6.676 370(86)
 
| 6.676 370(86)
 
| −13.653(46)
 
| −13.653(46)
−
| −{{frac|3|2}}
+
| align=center | −{{frac|3|2}}
 
| 20.39(2) min
 
| 20.39(2) min
 
| β<sup>+</sup> (100%)
 
| β<sup>+</sup> (100%)
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| 7.680 144
 
| 7.680 144
 
| −17.338 08(100)
 
| −17.338 08(100)
−
| 0
+
| align=center | 0
 
| colspan=2 | S<small>TABLE</small>
 
| colspan=2 | S<small>TABLE</small>
 
|-
 
|-
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| 7.469 849
 
| 7.469 849
 
| −2.220 47(27)
 
| −2.220 47(27)
−
| −{{frac|2}}
+
| align=center | −{{frac|2}}
 
| colspan=2 | S<small>TABLE</small>
 
| colspan=2 | S<small>TABLE</small>
 
|-
 
|-
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| 7.520 319
 
| 7.520 319
 
| 0.156 476(4)
 
| 0.156 476(4)
−
| 0
+
| align=center | 0
 
| 5.70(3){{e|3}} a
 
| 5.70(3){{e|3}} a
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 7.100 169(53)
 
| 7.100 169(53)
 
| 9.771 71(80)
 
| 9.771 71(80)
−
| +{{frac|2}}
+
| align=center | +{{frac|2}}
 
| 2.449(5) s
 
| 2.449(5) s
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 6.922 05(22)
 
| 6.922 05(22)
 
| 8.0105(44)
 
| 8.0105(44)
−
| 0
+
| align=center | 0
 
| 747(8) ms
 
| 747(8) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 6.557 62(102)
 
| 6.557 62(102)
 
| 13.167(23)
 
| 13.167(23)
−
| +{{frac|3|2}}
+
| align=center | +{{frac|3|2}}
 
| 193(5) ms
 
| 193(5) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 6.425 75(167)
 
| 6.425 75(167)
 
| 11.812(35)
 
| 11.812(35)
−
| 0
+
| align=center | 0
 
| 92(2) ms
 
| 92(2) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 6.1179(52)
 
| 6.1179(52)
 
| 16.559(99)
 
| 16.559(99)
−
| +{{frac|2}}
+
| align=center | +{{frac|2}}
 
| 46.2(23) ms
 
| 46.2(23) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 5.9587(120)
 
| 5.9587(120)
 
| 15.79(25)
 
| 15.79(25)
−
| 0
+
| align=center | 0
 
| 16(3) ms
 
| 16(3) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| 5.659(24)#
 
| 5.659(24)#
 
| 20.71(51)#
 
| 20.71(51)#
−
| +{{frac|2}}#
+
| align=center | +{{frac|2}}#
 
| <30 ns
 
| <30 ns
 
| ?n
 
| ?n
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| 5.436(41)#
 
| 5.436(41)#
 
| 21.24(92)#
 
| 21.24(92)#
−
| 0
+
| align=center | 0
 
| 6.2(13) ms
 
| 6.2(13) ms
 
| β<sup>−</sup> (100%)
 
| β<sup>−</sup> (100%)
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| colspan=10 | ''Sources'': Except as otherwise noted,  
 
| colspan=10 | ''Sources'': Except as otherwise noted,  
 
:isotopic masses and associated energies are taken from the AME 2003 dataset;<ref name="AME">{{AME 2003}}</ref>
 
:isotopic masses and associated energies are taken from the AME 2003 dataset;<ref name="AME">{{AME 2003}}</ref>
−
:decay properties are taken from N<small>UBASE</small> 2003.<ref name="Nubase">{{Nubase 2003}}.</ref>
+
:nuclear spins and decay properties are taken from N<small>UBASE</small> 2003.<ref name="Nubase">{{Nubase 2003}}.</ref>
 
|}
 
|}
  

Revision as of 05:27, 13 March 2010

Carbon has two stable, naturally occurring isotopes, carbon-12 and carbon-13.

Atomic weight

Radiologically significant isotopes

All isotopes

Symbol Z(p) N(n) Mass/u Excess energy
MeV 		Binding energy/A
MeV 		β−-decay energy
MeV 		Spin Half life Decay mode,
energy
Excitation energy/MeV
8C 6 2 8.037 675(25) 35.094(23) 3.0978(29) — 0 2.0(4) zs 2p (100%)
9C 6 3 9.031 0367(23) 28.9105(21) 4.337 48(24) — −3⁄2 126.5(9) ms β+ (100%)
10C 6 4 10.016 853 23(43) 15.698 68(40) 6.032 041(40) −23.10(40) 0 19.290(12) s β+ (100%)
11C 6 5 11.011 433 61(102) 10.650 34(95) 6.676 370(86) −13.653(46) −3⁄2 20.39(2) min β+ (100%)
12C 6 6 12 0 7.680 144 −17.338 08(100) 0 STABLE
13C 6 7 13.003 354 837 78(98) 3.125 011 29(91) 7.469 849 −2.220 47(27) −1⁄2 STABLE
14C 6 8 14.003 241 9887(41) 3.019 8931(38) 7.520 319 0.156 476(4) 0 5.70(3) × 103 a β− (100%)
15C 6 9 15.010 5992(86) 9.873 14(80) 7.100 169(53) 9.771 71(80) +1⁄2 2.449(5) s β− (100%)
16C 6 10 16.014 7013(38) 13.6941(36) 6.922 05(22) 8.0105(44) 0 747(8) ms β− (100%)
17C 6 11 17.022 5861(187) 21.0388(174) 6.557 62(102) 13.167(23) +3⁄2 193(5) ms β− (100%)
18C 6 12 18.026 759(32) 24.926(30) 6.425 75(167) 11.812(35) 0 92(2) ms β− (100%)
19C 6 13 19.034 805(106) 32.421(98) 6.1179(52) 16.559(99) +1⁄2 46.2(23) ms β− (100%)
20C 6 14 20.040 32(26) 37.56(24) 5.9587(120) 15.79(25) 0 16(3) ms β− (100%)
21C 6 15 21.049 34(54)# 45.96(50)# 5.659(24)# 20.71(51)# +1⁄2# <30 ns ?n
22C 6 16 22.057 20(97)# 53.28(90)# 5.436(41)# 21.24(92)# 0 6.2(13) ms β− (100%)
Sources: Except as otherwise noted,
isotopic masses and associated energies are taken from the AME 2003 dataset;[1]
nuclear spins and decay properties are taken from NUBASE 2003.[2]

References

  1. ↑ Wapstra, A. H.; Audi, G.; Thibault, C. The AME2003 atomic mass evaluation (I). Evaluation of input data, adjustment procedures. Nucl. Phys. A 2003, 729, 129–336. DOI: 10.1016/j.nuclphysa.2003.11.002. Wapstra, A. H.; Audi, G.; Thibault, C. The AME2003 atomic mass evaluation (II). Tables, graphs, and references. Nucl. Phys. A 2003, 729, 337–676. DOI: 10.1016/j.nuclphysa.2003.11.003. Data tables.
  2. ↑ Audi, G.; Bersillon, O.; Blachot, J.; Wapstra, A. H. The NUBASE evaluation of nuclear and decay properties. Nucl. Phys. A 2003, 729, 3–128. doi:10.1016/j.nuclphysa.2003.11.001, <http://amdc.in2p3.fr/nubase/Nubase2003.pdf>.
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