ENTRY 30396 20090105 31343039600000001 SUBENT 30396001 20090105 31343039600100001 BIB 10 20 3039600100002 INSTITUTE (3CRORBZ) 3039600100003 (2GERHAM) Location of accelerator 3039600100004 AUTHOR (M.Turk, B.Antolkovic, D.Winterhalter) 3039600100005 TITLE -The N-14(n,3a)T four body breakup and 3039600100006 N-14(n,2a)Li-7 three body breakup reactions at 18.2MeV-3039600100007 FACILITY (VDG,2GERHAM) Van de Graaff of 3039600100008 Inst.F.Experimentalphysik, Hamburg 3039600100009 INC-SOURCE (D-T) Deuteron-tritium 3039600100010 SAMPLE =detector (emulsion) 3039600100011 METHOD Nuclear emulsions in 4pi geometry. 3039600100012 Kinematically complete experiment. 3039600100013 DETECTOR (PLATE) Ilford K2 200mu plates 3039600100014 ANALYSIS The selected 4-or 3-prong stars were identified by 3039600100015 energy and momentum balance. 3039600100016 In case of the three-body-breakup the background of 3039600100017 C-12(n,n)3A reaction was taken into account. 3039600100018 HISTORY (19770505C) OS. 3039600100019 (19780123A) Subentry .004 rearranged without 3039600100020 change of contents. OS 3039600100021 (20090115A) BIB section updated 3039600100022 ENDBIB 20 0 3039600100023 COMMON 1 3 3039600100024 EN 3039600100025 MEV 3039600100026 1.8200E+01 3039600100027 ENDCOMMON 3 0 3039600100028 ENDSUBENT 27 0 3039600199999 SUBENT 30396002 20090105 31343039600200001 BIB 6 13 3039600200002 REFERENCE (J,NP/A,270,381,197610) 3039600200003 REACTION (7-N-14(N,T+2A)2-HE-4,,SIG) 3039600200004 ANALYSIS 64 events of the N-14(n,3a)T reaction were found 3039600200005 COMMENT The possible decay modes of this reaction are 3039600200006 successively (1.) via C-12 and Be-8 3039600200007 or (2.) via B-11 and Be-8 3039600200008 or (3.) via B-11 and Li-7 3039600200009 or (4.) Breakup into Be-8 and Li-7 and further 3039600200010 decay into 2alpha and T+alpha, respectively.3039600200011 It was found that process (1.) is highly predominant 3039600200012 by at least 80%. 3039600200013 STATUS (TABLE) Data from Nucl.Phys.A270 p.383. 3039600200014 ERR-ANALYS (ERR-S) Statistical error only 3039600200015 ENDBIB 13 0 3039600200016 NOCOMMON 0 0 3039600200017 DATA 2 1 3039600200018 DATA ERR-S 3039600200019 MB MB 3039600200020 9.6000E-01 1.2000E-01 3039600200021 ENDDATA 3 0 3039600200022 ENDSUBENT 21 0 3039600299999 SUBENT 30396003 20090105 31343039600300001 BIB 4 7 3039600300002 REFERENCE (J,NP/A,270,381,197610) Ratio three-body-breakup/ 3039600300003 four-body-breakup given 3039600300004 (J,FIZ,7,23,197504) Details of three-body-breakup 3039600300005 reaction 3039600300006 REACTION ((7-N-14(N,2A)3-LI-7,,SIG)/(7-N-14(N,T+2A)2-HE-4,,SIG))3039600300007 STATUS (TABLE) Data from nucl.Phys.A270 p.386 3039600300008 ERR-ANALYS No information given 3039600300009 ENDBIB 7 0 3039600300010 NOCOMMON 0 0 3039600300011 DATA 1 1 3039600300012 DATA-APRX 3039600300013 NO-DIM 3039600300014 1.5000E+01 3039600300015 ENDDATA 3 0 3039600300016 ENDSUBENT 15 0 3039600399999 SUBENT 30396004 20090105 31343039600400001 BIB 5 17 3039600400002 REFERENCE (J,NP/A,270,381,197610) Ratio three-body-breakup/ 3039600400003 four-body breakup given 3039600400004 (J,FIZ,7,23,197504) Details of three-body-breakup 3039600400005 reaction 3039600400006 REACTION ((7-N-14(N,3-LI-7)4-BE-8,PAR,SIG)/ 3039600400007 (7-N-14(N,T+A)4-BE-8,PAR,SIG)) 3039600400008 Numerator = 3-body-breakup via 3039600400009 ground or 0.468 MeV level of Li-7 3039600400010 and ground state of Be-8 3039600400011 Denominator = 4-body-breakup via 3039600400012 4.63 MeV level of Li-7 3039600400013 and ground state of Be-8 3039600400014 EN-SEC (E-LVL-NM,3-LI-7) 3-body-breakup reaction 3039600400015 (E-LVL-DN,3-LI-7) 4-body-breakup reaction 3039600400016 (E-LVL,4-BE-8) 3039600400017 STATUS (TABLE) Data from nucl.Phys.A270 p.386 3039600400018 ERR-ANALYS No information given 3039600400019 ENDBIB 17 0 3039600400020 NOCOMMON 0 0 3039600400021 DATA 5 1 3039600400022 E-LVL-NM E-LVL-NM E-LVL-DN E-LVL DATA 3039600400023 MEV MEV MEV MEV NO-DIM 3039600400024 0.0000E+00 4.6800E-01 4.6300E+00 0.0000E+00 4.0000E+00 3039600400025 ENDDATA 3 0 3039600400026 ENDSUBENT 25 0 3039600499999 ENDENTRY 4 0 3039699999999