Документ взят из кэша поисковой машины. Адрес оригинального документа : http://nuclphys.sinp.msu.ru/studsem/experim.pdf Дата изменения: Fri Oct 28 13:12:13 2005 Дата индексирования: Tue Oct 2 00:03:58 2012 Кодировка:

RTM-70 ­ 2005

2005 .




( ­ 2005)
41-Nb-93 25-Mn-55


25-Mn-55

RTM-70
41-Nb-93 25-Mn-55



25-Mn-55 . 17.10.2005 n 25-Mn-55 . 24.10.2005 n


25-Mn-55 . 17.10.2005 n
17.10.2005 n : , , Ge : : : 10:10 13:35 3 25 .

14:04 1.63 / 16:10 1.23 / Ge 9 10 1- : 14:23




56

Mn


N
10
1 2 3 4

10

10

10

10

10

10
0
106,289 154,241 160,248 230,1 248,213 273,596 321,747 371,155 395,059 434,321 514,694 581,67 606,101 636,226,244 656 779,322 900,215 958,377 1081,788 1111,816 1295,818
40

5

6

0 500 1000 1500
1772,084
56

Mn
836,164

25-Mn-55 . 17.10.2005 n

E (keV)
2000 2500

1462,303

Mn
1818,813
56

Mn (metallic) Irradiation 17.10.2005 10:10 3 h 25 min Acquisition 17.10.2005 14:23 1.5 h

2115,339

K

56

Mn


N
10 10 10 10
0
416,052 514,426 581,67 606,376 900,215

1

2

3

0
106,289 152,857 155,163 171,627 200,515 229,61 241,19 9 285,167 273,841 322,249 371,411

500 1000 1500 2000 2500

655,965



E (keV)

40
1462,002

Fon Acquisition 17.10.2005 16:11 10 min

K


836 t1/2 = (2.56 ± 0.05) H 2.5785 H
836 keV
7000 6000 5000 4000 3000 2000 1000 0 3,1 3,2 3,3 3,4 3,5 3,6
B Linear Fit of Data1_B

t1/2 = (2.56 +- 0.05) H
Linear Regression for Data1_B: Y=A+B*X Parameter Value Error -----------------------------------------------------------A 48266,108 906,289 B -13282,349 269,148

Time (sec)

ln (Int)


1818 t1/2 = (2.41 ± 0.19) H 2.5785 H
1818 keV
7000 6000 5000 4000 3000 2000 1000 0 1,1 1,2 1,3 1,4 1,5 1,6
B Linear Fit of Data1_B

t1/2 = (2.41 +- 0.19) H

Linear Regression for Data1_B: Y=A+B*X Parameter Value ----------------------------A 20211,334 B -12538,09 Error ------------------------------1301,721 975,411

Time (sec)

ln (Int)


2115 t1/2 = (2.53 ± 0.29) H 2.5785 H
2115 keV
7000 6000 5000 4000 3000 2000 1000 0 0,30
B Linear Fit of Data1_B

t1/2 = (2.53 +- 0.29) H
Linear Regression for Data1_B: Y=A+B*X Parameter Value -----------------------------A 10460,337 B -13140,091 Error -----------------------------827,78 1529,633

Time (sec)

0,35

0,40

0,45

0,50

0,55

0,60

0,65

0,70

0,75

ln (Int)


25-Mn-55 . 24.10.2005 n
24.10.2005 n : , : : : 10:25 13:59 3 24 .

13:59 1.5 / Ge 10 . 8 20 20 . 1- : 14:07


25-Mn-55 . 24.10.2005 n
10
5
56

Mn
846,993

Mn (metallic) Irradiation 24.10.2005 10:25 3 h 24 min Acquisition 24.10.2005 14:07 20 min
56

10

4

Mn
56

1810,716

30,762 74,807 103,099 134,014 206,044 238,703 266,694 294,976 32351,826 1,798

40

788,715

10

2

10

1

10

0

0

500

1000

1090,875

N

1500

1460,941

10

486,209 510,984 582,974 5 609,49 643,009 661,66

3

2000

2112,55

K

Mn

2500

E (keV)


RTM-70
41-Nb-93 25-Mn-55


41-Nb-93 . 04.10.2005
t1/2 = 14.6 H 90Nb : Ge Ge .19


41-Nb-93 . 04.10.2005
1.5 12:03 12:09 04.10.2005 05.10.2005 06.10.2005 06.10.2005 11:04 12:03 59 36 / 29.2 / .19


10 10 10

6
507,63

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge 04.10.2005 13:36 10 min
92 90

5

Nb
330,06 386,17

Nb
90
1122,18

54,8 92,43 158,44139,95 209,92 229,73

4

92

Nb

928,77

Nb
90

90

Nb
2305,74

Nb
2173,06

475,95 552,52 583,54 647,57 688,5 720,18

N

1796,15 1834,43

1014,59

10 10 10

1262,12

3

841,64 903,69

92

2

1

10

0

0

500

1000

1369,72 1427,15

1500

1629,8

Nb

2000

2500

3000
90Nb

E (keV)

t 92Nb t

1/2 1/2

= 14.6 H = 10.15 D


10 10 10

6
90

92

928,77

Nb
92

Nb
90

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge 05.10.2005 10:29 1.4 h

5

54,8 92,43 139 158,44 ,95 206,62 240,95 293,1 321,48 349,87 378,25 481,89 507,63 560,44 605,32 647,57 722,82

Nb
90 92

90

Nb

903,69

4

Nb
2173,06

1262,12 1288,53 1369,06

976,96 1031,09

N

10 10 10 10

3

2

1

0

0

500

1000

1500

1601,42 1630,46

1797,47 1835,75

2000

2305,08

Nb

1122,18

Nb

2500

3000
90Nb

E (keV)

t 92Nb t

1/2 1/2

= 14.6 H = 10.15 D


92

10 10 10

6
90

Nb
90

928,77

Nb
92

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge 06.10.2005 13:26 1.75 h

5

54,8 92,43 13 158,44 9,95 206,62 240,95 293,1 321,48 349,87 378,25 481,89 507,63 560,44 605,32 647,57 722,82

Nb
90 92

90

903,69

4

Nb
2173,06

121262,12 88,53 1369,06

976,96 1031,09

N

10 10 10

3

2

1

10

0

0

500

1000

1500

1601,42 1630,46

1797,47 1835,75

2000

2305,08

Nb

1122,18

Nb

Nb

2500

3000
90Nb

E (keV)

t 92Nb t

1/2 1/2

= 14.6 H = 10.15 D


1122 t1/2 = (20.05 ± 3.34) H 14.6 H
300000 250000

Time (sec)

200000

150000

100000

50000 0,5 1,0 1,5 2,0 2,5 3,0 3,5

ln (Int)



Ge .19 Ge


Ge .19
93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge k.19 06.10.2005 12:23 41 min
141,099 159,167 132,457

10

4

55,665 62,931 74,715 92,1,033 10 784

208,071

351,836

509,741

10

3

N

10

2

10

1

10

0

0

200

400

600

608,531

800

1000

E (keV)


Ge
92

10 10 10

6
90

Nb
90

928,77

Nb
92

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge 06.10.2005 13:26 1.75 h

5

54,8 92,43 13 158,44 9,95 206,62 240,95 293,1 321,48 349,87 378,25 481,89 507,63 560,44 605,32 647,57 722,82

Nb
90 92

90

903,69

4

Nb
2173,06

121262,12 88,53 1369,06

976,96 1031,09

N

10 10 10 10

3

2

1

0

0

500

1000

1500

1601,42 1630,46

1797,47 1835,75

2000

2305,08

Nb

1122,18

Nb

Nb

2500

3000
90Nb

E (keV)

t 92Nb t

1/2 1/2

= 14.6 H = 10.15 D


Ge
10 10 10
6

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge 06.10.2005 13:26 1.75 h
139,95 158,44 928,77 206,62 240,95 507,63 293,1 321,48 349,87 378,25 647,57 722,82 560,44 481,89 605,32 903,69

5

54,8

4

92,43

N

10 10 10 10

3

2

1

0

0

500

1000

E (keV)

976,96


«Ge chem» 1.75 h, «Ge .19» 41 6
10 10 10 10
5
140,61 158,44

207,28

293,76

350,53

132,457 141,099 159,167

N

55,665 74,715

509,741

3

386,83

561,76

606,64

38,3

720,18

4

508,95

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge k.19 06.10.2005 12:23 41 min Ge chem 06.10.2005 13:26 1.75 h

930,75

10 10 10 10

2

Ge chem Ge k.19

1

0

-1

0

200

400

600

800

1000

E (keV)



10
4

10

3
141,099 140,61 158,44 159,167

93-Nb-41 (metallic) Irradiation 04.10.2005 11:04 1 h Acquisition Ge k.19 06.10.2005 12:23 41 min Ge chem 06.10.2005 13:26 1.75 h

207,28

100,35

293,76

350,53

606,64

720,18

386,83

N

132,457

482,55

10

1

10

0

55,665 74,715

509,741

561,76

648,89

905,67

10

2
38,3

508,95

930,75

Ge chem Ge k.19

10

-1

0

200

400

600

800

1000

E (keV)


Ge

( 3201) 1.20% 1.00% 0.80% 0.60% 0.40% 0.20% 0.00% 0 200 400 600 800
E, ke V
ef f , , eff ( A m, Cs , Co) ( eff) ( )

1000

1200

1400

1600
y = 9E- 15x 4 - 4E- 11x 3 + 6E- 08x 2 - 4E- 05x + 0.015


25-Mn-55 . 05.10.2005
,


N
10 10
1 2 3 4

10

10

10

10

10

0
40662 68,,938 92,425 112,888 126,751 150,2,14 17 5 958 197,381 234,83 347 252,312 271, 330,721 435,677 462,741 477,264 543,934 563,737 597,402 609,284 627, 66 631,727 743,284 934,713

5

6

0 500 1000
1245,62 1297,768 1332,753

510,269

52 54
1433,088

Mn
52

846,26 834,378

Mn
56

Mn

Mn

52

Mn

1500 2000 2500 3000

E (keV)

1458,832

56

1809,345 1944,006 2112,331

Mn
56

Mn

55-Mn-25 Irradiation 13.05.2005 11:01 30 min Acquisition Ge 13.05.2005 13:02 5.5 h

2656,914


25-Mn-55 . 05.10.2005
05.10.2005 11:29 12:29 1 13:37 10-15 10 13:32 0.56 / Ge 05.10.2005 15:03 19.3


N
10 10 10 10
0
38,3 72 91 ,62 112,89 ,77 142,59 184, 200,68 84 227,09 277,26 293,76 326,76 398,05 386,17 433,7 474,62 538,65 579,58 63605,98 47 1,73 7, 65 685,86 739,99 782,89 841,64 906,33 929,43

10

1

2

3

4

0 500 1000 1500 2000 2500 3000
994,78 1113,6 1230,44 1359,82 1424,51 1452,23

507,63

52

54

Mn

829,76

Mn
56

Mn
52

Mn

E (keV)

56

1753,9 1799,45

Mn
56

2101,11

Mn (oxide). Irradiation 05.10.2005 11:29 1 h Acquisition Ge 05.10.2005 15:03 19.3 h

2599,49

Mn


25-Mn-55 . 18.10.2005
t1/2 = 5.591 D 52Mnm t1/2 = 21.1 M NaI, 52Mn 52Mnm
52Mn