ENTRY D4022 20210929 D132D402200000001
SUBENT D4022001 20210929 D132D402200100001
BIB 16 61 D402200100002
TITLE Excitation function of proton induced nuclear D402200100003
reactions on highly enriched Kr-78: relevant to the D402200100004
production of Br-75 and Br-77 at a small cyclotron D402200100005
AUTHOR (F.Tarkanyi,Z.Kovacs,S.M.Qaim) D402200100006
INSTITUTE (3HUNDEB,2GERJUL) D402200100007
EXP-YEAR (1993) D402200100008
REFERENCE (J,ARI,44,1105,1993) D402200100009
FACILITY (ISOCY,2GERJUL) D402200100010
STATUS (TABLE) Table 2 of Appl.Radiat.Isot44(1993)1105. D402200100011
(APRVD) approved by author D402200100012
SAMPLE (36-KR-78,ENR=0.994) D402200100013
99.4% Enriched Kr-78, single or stacked gas cells (2cm D402200100014
diam, 2.5Cm length staniless-steel) 50 to 100 microns D402200100015
of Al windows, 0.27 - 0.64 Bar gas pressure. D402200100016
METHOD (STTA,ACTIV,EXTB,ACTIV,BCINT) D402200100017
20.4, 18.7 And 14.8 MeV primary proton energies. D402200100018
200-500 Namp beam current. Cu and Al D402200100019
energy absorber foils. Cu monitor foils in front and D402200100020
at the back of each cells to monitor beam current and D402200100021
energy according to F. Tarkaanyi et Al., Acta D402200100022
radiolog. Suppl. 376,72,1991 And H. Piel et Al., D402200100023
radiochimica acta, 57,1,1992. Direct beam current D402200100024
measurements with faraday cup. Range-energy D402200100025
calculation according to C.F.Williamson et Al. In D402200100026
general the activity of the samples were measured D402200100027
without chemical separation. In few cases the bromine D402200100028
isotopes were separated. Separation yield was 90%. D402200100029
DETECTOR (GELI) D402200100030
COMMENT in a separate series of irradiations the Br-77 yield D402200100031
was determined using krypton gas of natural isotopic D402200100032
composition in stacked gas cells. 3 Bar filling D402200100033
pressure. Irradiation with 38 MeV and 30 MeV primary D402200100034
proton energies for 2 hours with 200 namp. D402200100035
ADD-RES (TTY-C)thin and thick target yields for the formation D402200100036
of Kr-77, Br-77 and Br-75 calculated from the measured D402200100037
excitation functions. Evaluation of methods for D402200100038
production of Br-75 and Br-77 at low and middle energy D402200100039
cyclotrons. D402200100040
MONITOR (29-CU-63(P,N)30-ZN-63,,SIG) D402200100041
(29-CU-63(P,2N)30-ZN-62,,SIG) D402200100042
(29-CU-65(P,N)30-ZN-65,,SIG) D402200100043
MONIT-REF (,R.Colle+,J,PR/C,9,1819,1974) D402200100044
(,A.Gruetter,J,NP/A,383,98,1982) D402200100045
(,P.Kopecky,J,ARI,36,657,1985) D402200100046
ERR-ANALYS (ERR-T). The total error of the cross sections was D402200100047
derived as the square root of the sum of square of the D402200100048
individual errors. D402200100049
- peak are analysis: 1-2%, near threshold more than 10%D402200100050
(ERR-1) beam current: 10% D402200100051
(ERR-2) number of target atoms: 5% D402200100052
(ERR-3) detector efficiency and counting geometry: 5% D402200100053
(ERR-4,,3.) decay data: < 3%, D402200100054
(ERR-5) chemical separation: 5% D402200100055
(EN-ERR)error was estimated on the basis of monitor D402200100056
reaction. Error sources: density reduction, beam D402200100057
broadening, position of cell windows D402200100058
HISTORY (19951025C) D402200100059
(19951027U) D402200100060
(20060730A) BIB section upgrated. Ref.corrected D402200100061
(20210928A) VS. SF3=X in 002. ERR-ANALYS: codes added. D402200100062
DATA-ERR->ERR-T in 001-004. SAMPLE: code added. D402200100063
ENDBIB 61 0 D402200100064
COMMON 4 3 D402200100065
ERR-1 ERR-2 ERR-3 ERR-5 D402200100066
PER-CENT PER-CENT PER-CENT PER-CENT D402200100067
10. 5. 5. 5. D402200100068
ENDCOMMON 3 0 D402200100069
ENDSUBENT 68 0 D402200199999
SUBENT D4022002 20210929 D132D402200200001
BIB 6 13 D402200200002
REACTION (36-KR-78(P,X)36-KR-77,,SIG) D402200200003
RAD-DET (36-KR-77,DG) D402200200004
DECAY-DATA (36-KR-77,1.24HR,DG,129.8,0.80, D402200200005
DG,146.4,0.368, D402200200006
DG,276.2,0.0288, D402200200007
DG,312.1,0.368) D402200200008
REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200200009
COMMENT the cross section by Helus et al. J. Radioanal.Nucl. D402200200010
Chem. Lett. 153,417,1991 Deduced from his respective D402200200011
yield data are incorrect containing presumably D402200200012
calculational errors. D402200200013
HISTORY (20210928A) VS. SF3=X c.f Memo CP-D/0999 D402200200014
DATA-ERR->ERR-T D402200200015
ENDBIB 13 0 D402200200016
NOCOMMON 0 0 D402200200017
DATA 4 29 D402200200018
EN EN-ERR DATA ERR-T D402200200019
MEV MEV MB MB D402200200020
13.73 0.31 0.10 0.06 D402200200021
14.74 0.30 1.2 0.8 D402200200022
14.95 0.26 3.6 0.6 D402200200023
15.17 0.25 4.5 0.6 D402200200024
15.67 0.23 23.4 3.0 D402200200025
15.73 0.25 11.5 1.5 D402200200026
15.74 0.26 18.7 2.5 D402200200027
16.17 0.32 60.8 7.7 D402200200028
16.35 0.20 63.1 8.0 D402200200029
16.45 0.22 54.2 6.9 D402200200030
16.51 0.20 65.9 8.3 D402200200031
16.68 0.22 67.1 8.6 D402200200032
17.02 0.18 111. 15. D402200200033
17.03 0.30 138. 18. D402200200034
17.10 0.30 130. 17. D402200200035
17.15 0.19 112. 15. D402200200036
17.56 0.18 138. 18. D402200200037
17.66 0.27 179. 23. D402200200038
17.67 0.15 160. 21. D402200200039
17.77 0.15 155. 20. D402200200040
17.82 0.16 181. 23. D402200200041
17.97 0.25 192. 24. D402200200042
18.19 0.15 240. 31. D402200200043
18.30 0.25 242. 31. D402200200044
18.41 0.22 214. 27. D402200200045
18.81 0.15 241. 31. D402200200046
18.93 0.22 293. 37. D402200200047
19.53 0.20 343. 44. D402200200048
19.62 0.20 292. 37. D402200200049
ENDDATA 31 0 D402200200050
ENDSUBENT 49 0 D402200299999
SUBENT D4022003 20210929 D132D402200300001
BIB 6 17 D402200300002
REACTION (36-KR-78(P,X)36-KR-77,CUM,SIG) D402200300003
RAD-DET (36-KR-77,DG) D402200300004
DECAY-DATA (36-KR-77,1.24HR,DG,129.8,0.80, D402200300005
DG,146.4,0.368, D402200300006
DG,276.2,0.0288, D402200300007
DG,312.1,0.368) D402200300008
REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200300009
COMMENT (by author).Contribution processes: direct production D402200300010
of Br-77 via Kr-78(p,2p)Br-77 reaction and total decay D402200300011
of the produced Kr-77 percent nuclei. Target gas D402200300012
contained: 0.6% Kr-80. The contribution of Kr- D402200300013
80(p,alpha)Br-77 process was estimated less than D402200300014
0.2%.The cross section by Helus et al. J. D402200300015
Radioanal.Nucl. Chem. Lett. 153,417,1991 Deduced from D402200300016
his respective yield data are incorrect containing D402200300017
presumably calculational errors. D402200300018
HISTORY (20210928A) VS. DATA-ERR->ERR-T. D402200300019
ENDBIB 17 0 D402200300020
NOCOMMON 0 0 D402200300021
DATA 4 19 D402200300022
EN EN-ERR DATA ERR-T D402200300023
MEV MEV MB MB D402200300024
14.95 0.26 5.8 0.8 D402200300025
15.17 0.25 7.0 0.9 D402200300026
15.67 0.23 29.6 4.1 D402200300027
15.73 0.25 16.7 2.1 D402200300028
16.35 0.20 61.4 8.4 D402200300029
16.45 0.22 57.2 7.2 D402200300030
16.51 0.20 69.8 8.8 D402200300031
17.02 0.18 114. 16. D402200300032
17.03 0.30 124. 16. D402200300033
17.15 0.19 109. 14. D402200300034
17.19 0.20 153. 20. D402200300035
17.66 0.27 184. 24. D402200300036
17.67 0.15 154. 21. D402200300037
17.77 0.15 138. 18. D402200300038
17.82 0.16 175. 23. D402200300039
18.19 0.15 234. 30. D402200300040
18.30 0.25 228. 29. D402200300041
18.93 0.22 274. 35. D402200300042
19.53 0.20 293. 37. D402200300043
ENDDATA 21 0 D402200300044
ENDSUBENT 43 0 D402200399999
SUBENT D4022004 20210929 D132D402200400001
BIB 6 14 D402200400002
REACTION (36-KR-78(P,A)35-BR-75,,SIG) D402200400003
RAD-DET (35-BR-75,DG) D402200400004
DECAY-DATA (35-BR-75,1.62HR,DG,286.6,0.921, D402200400005
DG,377.4,0.041, D402200400006
DG,427.9,0.045, D402200400007
DG,952.3,0.0174) D402200400008
REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200400009
(D,,A.M.Friedman+,J,JLCR,19,1427,1982) D402200400010
COMMENT (by author).The cross section by Helus et al. J. D402200400011
Radioanal.Nucl. Chem. Lett. 153,417,1991 and D402200400012
A.M.Friedman et al., J, Label. Compounds Radiopharm., D402200400013
19,1427,82 deduced from their respective yield data areD402200400014
incorrect containing presumably calculational errors. D402200400015
HISTORY (20210928A) VS. DATA-ERR->ERR-T. D402200400016
ENDBIB 14 0 D402200400017
NOCOMMON 0 0 D402200400018
DATA 4 39 D402200400019
EN EN-ERR DATA ERR-T D402200400020
MEV MEV MB MB D402200400021
10.82 0.28 3.3 0.4 D402200400022
11.72 0.25 7.0 0.9 D402200400023
12.17 0.21 9.5 1.2 D402200400024
12.19 0.37 5.4 0.7 D402200400025
12.28 0.40 5.4 0.8 D402200400026
13.38 0.18 10.6 1.4 D402200400027
13.73 0.31 9.9 1.3 D402200400028
14.13 0.32 14.4 1.9 D402200400029
14.16 0.15 17.5 2.3 D402200400030
14.74 0.30 10.0 1.4 D402200400031
14.95 0.26 14.3 2.0 D402200400032
15.17 0.25 15.4 2.0 D402200400033
15.67 0.23 19.0 2.5 D402200400034
15.73 0.25 15.8 2.0 D402200400035
15.74 0.26 15.8 2.0 D402200400036
15.90 0.25 27.9 3.6 D402200400037
16.17 0.32 17.0 2.2 D402200400038
16.35 0.20 20.9 2.7 D402200400039
16.45 0.22 22.8 2.9 D402200400040
16.51 0.20 19.9 2.5 D402200400041
16.68 0.22 17.6 2.3 D402200400042
17.02 0.18 23.4 3.1 D402200400043
17.03 0.30 27.4 3.5 D402200400044
17.10 0.30 18.9 2.4 D402200400045
17.15 0.19 25.9 3.3 D402200400046
17.19 0.20 28.2 5.0 D402200400047
17.56 0.18 19.2 2.6 D402200400048
17.66 0.27 28.1 3.6 D402200400049
17.67 0.15 23.5 2.9 D402200400050
17.77 0.15 19.7 2.5 D402200400051
17.82 0.16 27.6 3.5 D402200400052
17.97 0.25 18.5 2.4 D402200400053
18.19 0.15 29.5 3.8 D402200400054
18.30 0.25 30.0 4.3 D402200400055
18.41 0.22 21.2 2.8 D402200400056
18.81 0.15 18.9 2.4 D402200400057
18.93 0.22 25.8 3.3 D402200400058
19.53 0.20 24.4 3.1 D402200400059
19.62 0.20 20.2 2.6 D402200400060
ENDDATA 41 0 D402200400061
ENDSUBENT 60 0 D402200499999
ENDENTRY 4 0 D402299999999