ENTRY 22904 20201016 22942290400000001 SUBENT 22904001 20201016 22942290400100001 BIB 13 47 2290400100002 TITLE A new facility for high-energy neutron-induced 2290400100003 fission studies 2290400100004 AUTHOR (A.Prokofiev,S.Pomp,U.Tippawan,B.Bergenwall, 2290400100005 J.Blomgren,M.Carlsson,S.Dangtip,L.Einarsson,N.Haag, 2290400100006 A.Hildebrand,C.Johansson,P.Mermod,M.Oesterlund) 2290400100007 REFERENCE (C,2004SANTA,,800,2004) Main reference, data given 2290400100008 on graphs and in text 2290400100009 (J,NIM/A,452,484,2000) Description of the old 2290400100010 MEDLEY arrangement 2290400100011 INSTITUTE (2SWDUPP) -Prokofiev, Carlsson, Einarsson, Haag, 2290400100012 The Swedberg Laboratory 2290400100013 -Pomp, Tippawan, Bergenwall, Blomgren, 2290400100014 Hildebrand, Johansson, Mermod, Oesterlund, 2290400100015 Dept. of Neutron Research 2290400100016 (3TAICHM) -Tippawan, Dangtip, Fast Neutron Research 2290400100017 Facility 2290400100018 FACILITY (CYCLO,2SWDUPP) The Swedberg Laboratory facility 2290400100019 INC-SOURCE (P-LI7) A 4-mm thick lithium target enriched 2290400100020 to 99.98% in Li-7 2290400100021 REL-REF (R,,J.Klug+,J,NIM/A,489,282,2002) Facility description.2290400100022 METHOD (TOF) 2290400100023 (EDE) For identifying light charged particles 2290400100024 DETECTOR (TELES,SIBAR,CSICR) MEDLEY set-up 2290400100025 The light charged particles, produced in the reaction 2290400100026 target, were detected by means of eight three-detector2290400100027 telescopes, each composed of two silicon detectors and2290400100028 a CsI(Tl)-crystal. The silicon detectors are thin for 2290400100029 the delta-E1 detectors of 50-60 um and more 2290400100030 thick for the delta-E2 400-500 um. 2290400100031 The material of E-detectors is CsI(Tl) scintillator 2290400100032 crystal, 5.0 cm long, consisting of a cylindrical and 2290400100033 a conical part. 2290400100034 An Am-241 alpha-source, introduced in the center of 2290400100035 the MEDLEY chamber, was used to obtain data for the 2290400100036 energy calibration of the delta-E detectors. 2290400100037 SAMPLE Target assembly consists of two targets of 238U-F4, 2290400100038 each about 1 mg/cm2 thickness, deposited on 2290400100039 polyethylene backings about 90 mu-m thick, and 2290400100040 mounted back-to-back 2290400100041 ERR-ANALYS (ERR-S) Errors are statistical at one sigma confidence2290400100042 level 2290400100043 COMMENT Data for the illustration of the facility's performance2290400100044 HISTORY (20060108C) SM 2290400100045 (20061208A) SM. MONITOR and MONIT-REF keywords erased 2290400100046 Data corrected. Two new SUBENTs added 2290400100047 (20201016A) SD: Corrections in all Subents. 2290400100048 STATUS -> COMMENT. 2290400100049 ENDBIB 47 0 2290400100050 COMMON 1 3 2290400100051 EN 2290400100052 MEV 2290400100053 20.9 2290400100054 ENDCOMMON 3 0 2290400100055 ENDSUBENT 54 0 2290400199999 SUBENT 22904002 20201016 22942290400200001 BIB 3 7 2290400200002 REACTION (92-U-238(N,F),,DA,FF,RSD/MSC) Asymmetry factor = 2290400200003 W(0)/W(90) - 1 2290400200004 STATUS (TABLE) text on p.802 of 2004SANTA,,800 2290400200005 (SPSDD,22904003) 2290400200006 HISTORY (20061208A) Data error corrected to 0.052 2290400200007 (20201016A) SD: SF5=PRE deleted; SF8=RSD -> RSD/MSC in 2290400200008 REACTION code. STATUS updated. 2290400200009 ENDBIB 7 0 2290400200010 NOCOMMON 0 0 2290400200011 DATA 3 1 2290400200012 ANG DATA ERR-S 2290400200013 ADEG NO-DIM NO-DIM 2290400200014 0. 0.443 0.052 2290400200015 ENDDATA 3 0 2290400200016 ENDSUBENT 15 0 2290400299999 SUBENT 22904003 20201016 22942290400300001 BIB 4 9 2290400300002 REACTION (92-U-238(N,F),,DA,FF,RSD/MSC) Asymmetry factor = 2290400300003 W(0)/W(90) - 1 2290400300004 CORRECTION Corrections for low-energy neutrons were made 2290400300005 STATUS (TABLE) text on p.802 of 2004SANTA,,800 2290400300006 (DEP,22904002) 2290400300007 (APRVD) A.Prokofiev, 2006-12-07 2290400300008 HISTORY (20061208C) SM 2290400300009 (20201016A) SD: SF5=PRE deleted; SF8=RSD -> RSD/MSC in 2290400300010 REACTION code. STATUS updated. 2290400300011 ENDBIB 9 0 2290400300012 NOCOMMON 0 0 2290400300013 DATA 3 1 2290400300014 ANG DATA ERR-S 2290400300015 ADEG NO-DIM NO-DIM 2290400300016 0. 0.48 0.09 2290400300017 ENDDATA 3 0 2290400300018 ENDSUBENT 17 0 2290400399999 SUBENT 22904004 20201016 22942290400400001 BIB 4 20 2290400400002 REACTION (92-U-238(N,F),,DA,FF,RSD) Relative value for runs 2290400400003 14-18, normalised for unity at 90 degree angle 2290400400004 COMMENT Data for experimental runs 34-37, 45-48, 51-52 are 2290400400005 given below 2290400400006 Run 34-37 Run 45-48 Run 51-52 2290400400007 -------------------------------------------------------2290400400008 Angle DATA +- ERR DATA +- ERR DATA +- ERR 2290400400009 degree NODIM NODIM NODIM NODIM NODIM NODIM 2290400400010 20. 1.26 0.09 1.52 0.07 1.47 0.12 2290400400011 40. 1.24 0.06 1.26 0.04 1.48 0.08 2290400400012 60. 1.09 0.05 1.16 0.04 1.11 0.06 2290400400013 80. 0.98 0.05 1.01 0.04 1.03 0.06 2290400400014 100. 1.09 0.06 2290400400015 120. 1.04 0.06 2290400400016 140. 1.20 0.06 2290400400017 160. 1.38 0.11 2290400400018 STATUS (TABLE) Table sent via INTERNET by A.Prokofiev, 2290400400019 2005-10-17/2006-12-07, runs 14 - 18 2290400400020 HISTORY (20201016A) SD: SF5=PRE deleted from REACTION code 2290400400021 (fragment mass not specified). STATUS updated. 2290400400022 ENDBIB 20 0 2290400400023 NOCOMMON 0 0 2290400400024 DATA 3 8 2290400400025 ANG DATA ERR-S 2290400400026 ADEG NO-DIM NO-DIM 2290400400027 20. 1.65 0.11 2290400400028 40. 1.25 0.06 2290400400029 60. 1.10 0.06 2290400400030 80. 1.02 0.05 2290400400031 100. 1.09 0.06 2290400400032 120. 1.11 0.06 2290400400033 140. 1.29 0.07 2290400400034 160. 1.52 0.12 2290400400035 ENDDATA 10 0 2290400400036 ENDSUBENT 35 0 2290400499999 ENDENTRY 4 0 2290499999999