ENTRY 41445 20121002 41584144500000001 SUBENT 41445001 20121002 41584144500100001 BIB 13 37 4144500100002 TITLE Nature of parity violation in interaction of neutrons 4144500100003 with lead 4144500100004 AUTHOR (J.Andrzejewski,N.A.Gundorin,I.L.Karpikhin,L.Lason, 4144500100005 G.A.Lobov,D.V.Matveev,L.B.Pikelner) 4144500100006 INSTITUTE (4ZZZDUB) Gundorin,Matveev,Pikelner 4144500100007 (4RUSITE) Karpikhin,Lobov 4144500100008 (3POLLOU) Andrzejewski, Lason 4144500100009 REFERENCE (J,YF,67,(7),1257,2004) Main reference 4144500100010 (J,PAN,67,1233,2004) 4144500100011 Engl.translation of J,YF,67,(7),1257,2004 4144500100012 FACILITY (REAC,4ZZZDUB) IBR-2 Pulsed Reactor 4144500100013 METHOD (TOF) 4144500100014 (GSPEC) 4144500100015 (COINC) Coincidences between BGO (annihilation gammas) 4144500100016 and HPGe (gammas of direct transitions) 4144500100017 DETECTOR (HPGE) 1-2% efficiency and 0.1-0.4% resolution. 4144500100018 (BGO) BGO crystal scintilation detectors. 4144500100019 BGO detectors and HPGe-detector as combined 4144500100020 correlative spectrometer with energy resolution 15-20%4144500100021 At gamma energy 511 keV and efficiency near 50%. 4144500100022 Gamma registration energy range 200 keV - 8 MeV. 4144500100023 SAMPLE Lead cylinder of 4.7 g weight, 0.6 cm diameter and 4144500100024 2.0 cm length. 4144500100025 INC-SOURCE (REAC) Colimated neutron beam of 1 cm diameter. 4144500100026 ANALYSIS Peaks areas of single (S) and double (D) annihilation 4144500100027 gammas were defined in gamma-spectra for 7 neutron 4144500100028 energy regions for investigated isotopes. Ratio of 4144500100029 these peaks area sums corresponding to number of 4144500100030 registered gamma-quantas was calculated. 4144500100031 ERR-ANALYS .Errors, if present, not specified 4144500100032 HISTORY (20040421C) Compiled at CJD (M.M.) 4144500100033 (20050425U) Last checking has been done. 4144500100034 (20121002U) M.M. Reference J,PAN,67,1233,2004 was added4144500100035 BIB information was updated. 4144500100036 AV was added in REACTIONS. 4144500100037 COMMENT .This work was made by support of RFBR (#01-02-16024-A)4144500100038 and (#02-02-16935-A) and INTAS (#00-00043). 4144500100039 ENDBIB 37 0 4144500100040 NOCOMMON 0 0 4144500100041 ENDSUBENT 40 0 4144500199999 SUBENT 41445002 20121002 41584144500200001 BIB 5 24 4144500200002 REACTION ((82-PB-207(N,G)82-PB-208,,SPC,,AV)/ 4144500200003 (82-PB-204(N,G)82-PB-205,,SPC,,AV)) 4144500200004 Ratio of direct gamma transitions average in energy 4144500200005 region. 4144500200006 STATUS (TABLE) From Table 1 of J,YF,67,(7),1257,2004. 4144500200007 SAMPLE Lead cylinder of 4.7 g weight. 4144500200008 (82-PB-204,ENR=0.366) 4144500200009 (82-PB-206,ENR=0.306) 4144500200010 (82-PB-207,ENR=0.132) 4144500200011 (82-PB-208,ENR=0.196) 4144500200012 Content: Pb-204 - 36.6%, Pb-206 - 30.6%, 4144500200013 Pb-207 - 13.2%, Pb-208 - 19.6%. 4144500200014 EN-SEC (E-MIN,G) Minimal gamma energy 4144500200015 (E-MAX,G) Maximal gamma energy 4144500200016 EN - average anergy in energy regions (groups): 4144500200017 EN Channels number 4144500200018 0.008 400 - 300 4144500200019 0.02 300 - 200 4144500200020 0.04 200 - 150 4144500200021 0.1 150 - 100 4144500200022 0.3 100 - ~50 4144500200023 1. ~50 - ~25 4144500200024 3. ~25 - ~10 4144500200025 ERR-ANALYS (DATA-ERR) Not specified. 4144500200026 ENDBIB 24 0 4144500200027 COMMON 2 3 4144500200028 E-MIN E-MAX 4144500200029 MEV MEV 4144500200030 0.2 8. 4144500200031 ENDCOMMON 3 0 4144500200032 DATA 3 7 4144500200033 EN DATA DATA-ERR 4144500200034 EV NO-DIM NO-DIM 4144500200035 0.008 1. 0.05 4144500200036 0.02 1.02 0.06 4144500200037 0.04 1.01 0.06 4144500200038 0.1 1.02 0.07 4144500200039 0.3 1.23 0.09 4144500200040 1. 1.6 0.16 4144500200041 3. 2.3 0.38 4144500200042 ENDDATA 9 0 4144500200043 ENDSUBENT 42 0 4144500299999 SUBENT 41445003 20121002 41584144500300001 BIB 5 20 4144500300002 REACTION ((82-PB-207(N,G)82-PB-208,,SPC,,AV)/ 4144500300003 (29-CU-63(N,G)29-CU-64,,SPC,,AV)) 4144500300004 Ratio of direct gamma transitions average in energy 4144500300005 region. 4144500300006 STATUS (TABLE) From Table 1 of J,YF,67,(7),1257,2004. 4144500300007 SAMPLE (82-PB-207,ENR=0.883) Lead cylinder. 4144500300008 Content of Pb-207 - 88.3%. 4144500300009 Natural copper foil for monitoring 4144500300010 EN-SEC (E-MIN,G) Minimal gamma energy 4144500300011 (E-MAX,G) Maximal gamma energy 4144500300012 EN - average anergy in energy regions (groups): 4144500300013 EN Channels number 4144500300014 0.008 400 - 300 4144500300015 0.02 300 - 200 4144500300016 0.04 200 - 150 4144500300017 0.1 150 - 100 4144500300018 0.3 100 - ~50 4144500300019 1. ~50 - ~25 4144500300020 3. ~25 - ~10 4144500300021 ERR-ANALYS (DATA-ERR) Not specified. 4144500300022 ENDBIB 20 0 4144500300023 COMMON 2 3 4144500300024 E-MIN E-MAX 4144500300025 MEV MEV 4144500300026 0.2 8. 4144500300027 ENDCOMMON 3 0 4144500300028 DATA 3 7 4144500300029 EN DATA DATA-ERR 4144500300030 EV NO-DIM NO-DIM 4144500300031 0.008 1.03 0.05 4144500300032 0.02 0.96 0.04 4144500300033 0.04 1.02 0.04 4144500300034 0.1 1.04 0.06 4144500300035 0.3 1.19 0.08 4144500300036 1. 1.42 0.17 4144500300037 3. 1.84 0.3 4144500300038 ENDDATA 9 0 4144500300039 ENDSUBENT 38 0 4144500399999 ENDENTRY 3 0 4144599999999