P CN Calculations for Z = 111 to Z = 118
241
Table 1 Measured and calculated evaporation residue cross sections for Z CN = 111–118
Beam
Target
Channel
σ meas (pb)
σ calc (pb)
P CN
Reference
64 Ni
209 Bi
1n
3.5 +1.9 –1.3
6910
0.000507
[10]
65 Cu
208 Pb
1n
1.7 +3.9 –1.4
20,500
8.3e −05
[11]
48 Ca
238 U
3n
2.5 +1.8 –1.1
60
0.0417
[12]
48 Ca
238 U
4n
0.7 +0.6 –0.3
425
0.00165
[13]
48 Ca
238 U
4n
0.6 +1.6 –0.5
7
0.0857
[12]
70 Zn
208 Pb
1n
0.5 +1.1 –0.4
5e+06
1e −07
[14]
48 Ca
237 Np
3n
0.9
5
0.18
[15]
70 Zn
209 Bi
1n
0.022
940,000
2.34e −08
[16]
48 Ca
239 Pu
3n
0.23
16
0.0144
[17]
48 Ca
240 Pu
3n
2.5 +2.9 –1.4
62
0.0403
[17]
48 Ca
242 Pu
2n
0.5
244
0.00205
48 Ca
242 Pu
3n
3.6 +3.4 –1.7
78
0.0463
[12]
48 Ca
242 Pu
4n
4.5 +3.6 –1.9
129
0.0349
[12]
48 Ca
242 Pu
5n
0.6 +0.9 –0.5
11.6
0.0517
[18]
48 Ca
244 Pu
3n
8 +7.4 –4.5
180
0.0444
[19]
48 Ca
244 Pu
4n
9.8 +3.9 –3.1
220
0.0445
[19]
48 Ca
244 Pu
5n
1.1 +2.6 –0.9
9.2
0.120
[20]
48 Ca
243 Am
2n
2.5 +2.7 –1.5
15.4
0.162
[21]
48 Ca
243 Am
3n
8.5 +6.4 –3.7
660
0.0129
[22]
48 Ca
243 Am
4n
0.9 +3.2 –0.8
169
0.00533
[23]
48 Ca
245 Cm
2n
0.9
6.89
0.131
[20]
48 Ca
245 Cm
3n
3.7 +3.6 –1.8
229
0.0162
[24]
48 Ca
245 Cm
4n
0.8
95
0.00842
[24]
48 Ca
248 Cm
3n
1.2
166
0.00723
[12]
48 Ca
248 Cm
4n
3.4
652
0.00522
[25]
48 Ca
249 Bk
3n
1.1 +1.2 –0.6
1660
0.000663
[26]
48 Ca
249 Bk
4n
2.4 +3.3 –1.4
333
0.00721
[26]
48 Ca
249 Cf
2n
0.9
50.9
0.0177
[24]
x eff is defined as
x eff =
4Z P Z T
A
1
3
p A
1
3
T
A
1
3
P +A
1
3
T
50.883
1 − 1.7826
A CN −2Z CN
A CN
2
x m is defined as
x m = 0.25x CN + 0.75x eff