ENTRY 22012 20211228 23062201200000001 SUBENT 22012001 20211228 23062201200100001 BIB 14 42 2201200100002 TITLE Measurements of cross sections for the reactions 2201200100003 27Al(n,p)27Mg, 27Al(n,alpha)24Na and 27Al(n,alpha)24mNa2201200100004 in the energy region between 43 MeV and 8.3 MeV 2201200100005 AUTHOR (W.Enz,D.Kollewe,K.W.Hoffmann) 2201200100006 INSTITUTE (2GERTHS) 2201200100007 REFERENCE (J,ADP,42,(3),283,1985) 2201200100008 FACILITY (DYNAM,2GERTHS) Stuttgart University 4 MV dynamitron. 2201200100009 INC-SOURCE (A-BE) Neutrons in the energy range 6.3 to 8.3 MeV 2201200100010 were produced via the Be-9(alpha,n) reaction, using 2201200100011 1.86 to 2.76 MeV 200 uAmp alpha beams upon 0.52 um 2201200100012 thick Be-layers on high-pressure water-cooled copper 2201200100013 backings. 2201200100014 INC-SPECT Two monoenergetic neutron groups were present, but 2201200100015 the lower were always below the thresholds of the 2201200100016 reactions studied. 2201200100017 SAMPLE Pure Al samples with 36 mm diameter and 20 mm 2201200100018 thickness. 2201200100019 METHOD (ACTIV) For the short-lived Na-24-m product, a cyclic 2201200100020 milli-second pulsed irradiation-activity measurement 2201200100021 technique was utilized. 2201200100022 DETECTOR (GELI) A 40 cm3 Ge-Li detector were used for 2201200100023 activity measurements. 2201200100024 (SCIN ) A 5 cm diameter by 5 cm thick NE213 liquid 2201200100025 scintillator with n-gamma discrimination, 2201200100026 positioned at 90 degrees with respect to the neutron 2201200100027 beam direction, was used for neutron flux 2201200100028 measurements. The efficiency of this detector, 2201200100029 with a threshold of 2.9 MeV, was determined to 2201200100030 be 16.5% in the enrgy region considered. 2201200100031 CORRECTION Corrections were applied for neutron attenuation 2201200100032 and gamma self-absorption in the samples. 2201200100033 ERR-ANALYS (ERR-T) Total errors, composed of systematic and 2201200100034 statistical errors. 2201200100035 (ERR-1) -error in detector efficiency 6% 2201200100036 (ERR-2) -error in discriminator level 5% 2201200100037 (ERR-3) -error in attenuation correction 3% 2201200100038 (ERR-4) -geometry 2% 2201200100039 (ERR-5) -conversion of flux from 90 to 0 deg. 5% 2201200100040 STATUS (TABLE) Tbl.1 from Ann.Phys.,42, Issue.3, p.283 (1985) 2201200100041 HISTORY (19861205C) No. 2201200100042 (20211228A) SD:Updated to new date formats,lower case. 2201200100043 Corrections in all Subents. ERR-ANALYS updated. 2201200100044 ENDBIB 42 0 2201200100045 COMMON 5 3 2201200100046 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2201200100047 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2201200100048 6. 5. 3. 2. 5. 2201200100049 ENDCOMMON 3 0 2201200100050 ENDSUBENT 49 0 2201200199999 SUBENT 22012002 20211228 23062201200200001 BIB 3 3 2201200200002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 2201200200003 DECAY-DATA (12-MG-27,9.46MIN,DG,844.,.97) 2201200200004 HISTORY (20211228U) SD: STATUS moved to Subent 001. 2201200200005 ENDBIB 3 0 2201200200006 NOCOMMON 0 0 2201200200007 DATA 4 7 2201200200008 EN EN-RSL-FW DATA ERR-T 2201200200009 MEV MEV MB MB 2201200200010 6.36 0.16 63.2 6.4 2201200200011 6.56 0.16 58.3 6.0 2201200200012 6.74 0.16 59.5 6.1 2201200200013 6.93 0.16 66.2 6.8 2201200200014 7.90 0.14 75.3 8.5 2201200200015 8.10 0.13 78.5 8.9 2201200200016 8.29 0.13 83.2 9.4 2201200200017 ENDDATA 9 0 2201200200018 ENDSUBENT 17 0 2201200299999 SUBENT 22012003 20211228 23062201200300001 BIB 4 5 2201200300002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 2201200300003 DECAY-DATA (11-NA-24,15.HR,DG,1368.,1.) 2201200300004 FLAG (1.) Measured in cyclic mode. 2201200300005 HISTORY (20211228A) SD: SF4=Na-24g -> Na-24 in REACTION code. 2201200300006 STATUS moved to Subent 001. 2201200300007 ENDBIB 5 0 2201200300008 NOCOMMON 0 0 2201200300009 DATA 5 9 2201200300010 EN EN-RSL-FW DATA ERR-T FLAG 2201200300011 MEV MEV MB MB NO-DIM 2201200300012 6.36 0.16 4.2 0.4 2201200300013 6.56 0.16 7.4 0.8 2201200300014 6.74 0.16 10.7 1.1 2201200300015 6.93 0.16 16.1 1.7 2201200300016 7.90 0.14 36.9 4.2 2201200300017 7.90 0.13 38.1 4.7 1. 2201200300018 8.10 0.13 40.5 4.6 2201200300019 8.10 0.12 43.8 5.4 1. 2201200300020 8.29 0.13 48.9 5.5 2201200300021 ENDDATA 11 0 2201200300022 ENDSUBENT 21 0 2201200399999 SUBENT 22012004 20211228 23062201200400001 BIB 4 5 2201200400002 REACTION (13-AL-27(N,A)11-NA-24-L,,SIG) 2201200400003 DECAY-DATA (11-NA-24-L,20.MSEC,DG,472.,1.) 2201200400004 METHOD Measured in cyclic mode. 2201200400005 HISTORY (20211228A) SD: SF4=Na-24m -> Na-24l added to REACTION 2201200400006 code. STATUS moved to Subent 001. FLAG deeleted. 2201200400007 ENDBIB 5 0 2201200400008 NOCOMMON 0 0 2201200400009 DATA 4 2 2201200400010 EN EN-RSL-FW DATA ERR-T 2201200400011 MEV MEV MB MB 2201200400012 7.90 0.13 14.5 2.0 2201200400013 8.10 0.12 19.9 2.8 2201200400014 ENDDATA 4 0 2201200400015 ENDSUBENT 14 0 2201200499999 ENDENTRY 4 0 2201299999999