ENTRY 41517 20090729 41474151700000001 SUBENT 41517001 20090729 41474151700100001 BIB 13 62 4151700100002 TITLE Neutron total cross sections of Pb-204, Pb-206, Pb-2074151700100003 and Pb-208 and the neutron electric polarizability. 4151700100004 AUTHOR (A.B.Laptev, Yu.A.Alexandrov, I.S.Guseva,I.L.Karpikhin,4151700100005 P.A.Krupchitsky, V.G.Nikolenko, G.A.Petrov, 4151700100006 O.A.Shcherbakov, A.S.Vorobiev) 4151700100007 INSTITUTE (4RUSLIN) A.Laptev, G.Petrov, O.Shcherbakov, I.Guseva,4151700100008 A.Vorobiev(=Vorobiev). 4151700100009 (4ZZZDUB) Yu.Alexandrov, V.Nikolenko . 4151700100010 (4RUSITE) I.Karpikhin, P.Krupchitsky . 4151700100011 REFERENCE (T,Laptev,2004) 4151700100012 ((S,ISINN-10,79,2003)=(S,JINR-E3-2003-10,79,2003)) 4151700100013 ISINN-10 (May 2002) Proceedings. 4151700100014 (W,Shcherbakov,20081204) Data and comments. 4151700100015 ((S,ISINN-7,355,1999)=(S,JINR-E3-99-212,355,1999)) 4151700100016 Preliminary data for Pb-207 as graphs. 4151700100017 On 1-st page of this report the number is given as 4151700100018 E3-98-212, instead of E3-99-212 4151700100019 ((S,ISINN-9,324,2001)=(S,JINR-E3-2001-192,324,2001)) 4151700100020 Prelim.data for Pb-204 as graph. 4151700100021 ((S,ISINN-8,171,2000)=(S,JINR-E3-2000-192,171,2000)) 4151700100022 Prelim. data for Pb-206 . First author I.S.Guseva. 4151700100023 FACILITY (SYNCY,4RUSLIN) Time-of-flight spectrometer 'GNEIS', 4151700100024 beam #3. PNPI synchrocyclotron. 4151700100025 INC-SOURCE (SPALL) 1 GeV proton beam is deflected to strike the 4151700100026 lead target. Neutron burst duration 10 nsec. 4151700100027 INC-SPECT Average neutron intensity 3.E+14 n/sec in full solid 4151700100028 angle 4pi at repetition rate up to 50 Hz. Slowing in 4151700100029 polyethylene moderator. Collimating systems K1(brass) 4151700100030 and K2 (iron).Also hole through 6-m thick heavy 4151700100031 concrete shielding wall of main machine room as 4151700100032 collimator. Carbide boron collimators before and after4151700100033 sample. Paraffin with boron acid shadow shielding 4151700100034 after sample to protect detector against neutrons 4151700100035 scattered by sample. 4151700100036 METHOD (TOF) 42 m flight path 4151700100037 (TRN) Conventional transmission method. 4151700100038 Sets of resonance filters of Al, Co, W, Ta, In were 4151700100039 placed in beam for permanent background monitoring. 4151700100040 Average background - 0.5% in 1-100 eV energy range, 4151700100041 for Pb-208 -about 10% at En about 5 keV. 4151700100042 For Pb-207 - 9%, Pb-206 - 10%, for Pb-204 - 47% at 4151700100043 En about 130 keV. 4151700100044 To compensate for neutron flux fluctuations, 4151700100045 "sample in beam" and "sample out" measurements were 4151700100046 carried out in short 10 min runs. 4151700100047 DETECTOR (HE3SP) He-3 ionization chamber as neutron detector. 4151700100048 Divided in 3 sections. To decrease exp.hall background,4151700100049 detector was located in composite shielding as a cube 4151700100050 of 70cm edge, filled by paraffin with boron acid, 4151700100051 central channel in shielding had 1-mm thick cadmium and4151700100052 3-cm thick carbide boron cylindrical environment. 4151700100053 Dead time of whole detection system was measured by 4151700100054 "two sources" method to be 0.660+-0.012 microsec. 4151700100055 Two He-3 proportional counters placed in the beam. 4151700100056 MONITOR No information. 4151700100057 ERR-ANALYS (ERR-S) Errors are statistical. 4151700100058 STATUS (APRVD) Data received from O.Shcherbakov 04.12.2008 . 4151700100059 (TABLE) 4151700100060 (COREL,41382006) Data for C-12 -in Subent 41382006. 4151700100061 HISTORY (20081202C) M.M. 4151700100062 (20090423U) References S,ISINN-7, S,ISINN-9 were added.4151700100063 (20090729U) Page of 4th reference was corrected. 4151700100064 ENDBIB 62 0 4151700100065 NOCOMMON 0 0 4151700100066 ENDSUBENT 65 0 4151700199999 SUBENT 41517002 20081202 41454151700200001 BIB 3 6 4151700200002 REACTION (82-PB-207(N,TOT),,SIG) 4151700200003 SAMPLE 106.7 g sample of Pb-207 of isotopic composition: 4151700200004 Pb-204 < 0.04%, Pb-206 - 4.04%, Pb-207 - 84.4%, 4151700200005 Pb-208 - 11.56% . 4151700200006 STATUS (APRVD) Data received from O.Shcherbakov 4151700200007 Data are presented in Fig.4 of 2-nd reference. 4151700200008 ENDBIB 6 0 4151700200009 NOCOMMON 0 0 4151700200010 DATA 3 59 4151700200011 EN DATA ERR-S 4151700200012 EV B B 4151700200013 1.021 10.96 0.07 4151700200014 1.093 10.86 0.08 4151700200015 1.171 10.97 0.09 4151700200016 1.253 10.80 0.12 4151700200017 1.631 10.67 0.16 4151700200018 1.752 10.80 0.09 4151700200019 1.884 10.86 0.07 4151700200020 2.027 10.86 0.06 4151700200021 2.188 10.84 0.06 4151700200022 2.373 10.94 0.06 4151700200023 2.577 10.92 0.06 4151700200024 2.796 10.94 0.06 4151700200025 3.038 10.96 0.06 4151700200026 3.304 11.03 0.06 4151700200027 3.598 10.93 0.06 4151700200028 4.681 10.94 0.07 4151700200029 5.137 10.88 0.06 4151700200030 5.663 10.91 0.06 4151700200031 6.275 10.99 0.06 4151700200032 7.064 11.09 0.05 4151700200033 7.751 11.11 0.09 4151700200034 8.318 10.93 0.07 4151700200035 9.202 11.14 0.07 4151700200036 10.32 11.14 0.08 4151700200037 11.66 11.05 0.06 4151700200038 13.20 11.04 0.07 4151700200039 15.01 11.15 0.06 4151700200040 17.21 11.04 0.06 4151700200041 21.54 11.17 0.07 4151700200042 24.74 11.20 0.07 4151700200043 27.73 11.14 0.09 4151700200044 31.07 11.09 0.07 4151700200045 35.60 11.07 0.08 4151700200046 41.21 11.05 0.08 4151700200047 46.95 11.22 0.09 4151700200048 52.96 11.00 0.08 4151700200049 61.45 11.04 0.09 4151700200050 72.97 11.25 0.10 4151700200051 223.7 11.63 0.12 4151700200052 283.3 11.30 0.11 4151700200053 352.0 11.47 0.10 4151700200054 437.1 11.47 0.15 4151700200055 484.5 11.25 0.13 4151700200056 546.1 11.23 0.12 4151700200057 620.1 11.37 0.13 4151700200058 710.3 11.26 0.13 4151700200059 821.7 11.07 0.13 4151700200060 961.5 11.34 0.12 4151700200061 1151. 11.08 0.12 4151700200062 1415. 11.06 0.11 4151700200063 1783. 10.97 0.11 4151700200064 2315. 11.06 0.10 4151700200065 3174. 10.88 0.10 4151700200066 7032. 10.52 0.22 4151700200067 8911. 10.99 0.24 4151700200068 10720. 11.01 0.22 4151700200069 13110. 10.30 0.20 4151700200070 16390. 10.77 0.21 4151700200071 21070. 9.83 0.23 4151700200072 ENDDATA 61 0 4151700200073 ENDSUBENT 72 0 4151700299999 SUBENT 41517003 20081202 41454151700300001 BIB 3 5 4151700300002 REACTION (82-PB-206(N,TOT),,SIG) 4151700300003 SAMPLE 110.2 g sample of Pb-206 of isotopic composition: 4151700300004 Pb-206 - 91.2%, Pb-207 - 6.0%, Pb-208 - 2.8%. 4151700300005 STATUS (APRVD) Data received from O.Shcherbakov . 4151700300006 Data are presented in Fig.5 of 2-nd reference. 4151700300007 ENDBIB 5 0 4151700300008 NOCOMMON 0 0 4151700300009 DATA 3 59 4151700300010 EN DATA ERR-S 4151700300011 EV B B 4151700300012 1.021 10.99 0.09 4151700300013 1.093 10.82 0.09 4151700300014 1.171 10.90 0.11 4151700300015 1.253 10.94 0.16 4151700300016 1.631 11.09 0.22 4151700300017 1.752 10.92 0.11 4151700300018 1.884 10.99 0.09 4151700300019 2.027 11.03 0.08 4151700300020 2.188 10.94 0.08 4151700300021 2.373 10.91 0.07 4151700300022 2.577 11.05 0.07 4151700300023 2.796 10.88 0.07 4151700300024 3.038 10.96 0.07 4151700300025 3.304 10.90 0.07 4151700300026 3.598 10.99 0.08 4151700300027 3.923 11.12 0.11 4151700300028 4.681 10.98 0.09 4151700300029 5.137 10.93 0.07 4151700300030 5.663 11.07 0.07 4151700300031 6.275 11.01 0.07 4151700300032 7.064 11.02 0.06 4151700300033 7.751 10.90 0.10 4151700300034 8.318 11.01 0.08 4151700300035 9.202 11.02 0.09 4151700300036 10.32 11.06 0.09 4151700300037 11.66 11.04 0.07 4151700300038 13.20 11.07 0.08 4151700300039 15.01 11.04 0.07 4151700300040 17.21 11.00 0.07 4151700300041 19.24 11.04 0.10 4151700300042 21.54 11.07 0.08 4151700300043 24.74 11.00 0.09 4151700300044 27.73 11.16 0.10 4151700300045 31.07 11.17 0.09 4151700300046 35.60 11.16 0.10 4151700300047 41.21 11.06 0.10 4151700300048 46.95 10.93 0.11 4151700300049 52.96 10.91 0.10 4151700300050 61.45 10.99 0.10 4151700300051 283.3 11.46 0.13 4151700300052 352.0 11.46 0.12 4151700300053 437.1 11.59 0.17 4151700300054 484.5 11.46 0.15 4151700300055 546.1 11.70 0.14 4151700300056 620.1 11.58 0.15 4151700300057 710.3 11.59 0.15 4151700300058 821.7 11.48 0.15 4151700300059 961.5 11.52 0.14 4151700300060 1151. 11.46 0.14 4151700300061 1415. 11.25 0.13 4151700300062 1783. 11.33 0.12 4151700300063 2315. 11.11 0.11 4151700300064 3174. 11.37 0.11 4151700300065 7032. 11.15 0.24 4151700300066 8911. 11.13 0.23 4151700300067 10720. 11.06 0.21 4151700300068 13110. 11.29 0.18 4151700300069 16390. 10.99 0.17 4151700300070 21070. 10.79 0.17 4151700300071 ENDDATA 61 0 4151700300072 ENDSUBENT 71 0 4151700399999 SUBENT 41517004 20081202 41454151700400001 BIB 3 6 4151700400002 REACTION (82-PB-204(N,TOT),,SIG) 4151700400003 SAMPLE 5.14 g sample of Pb-204 of isotopic composition: 4151700400004 Pb-204 - 36.6%, Pb-206 - 30.6%, Pb-207 - 13.2%, 4151700400005 Pb-208 - 19.6% . 4151700400006 STATUS (APRVD) Data received from O.Shcherbakov 4151700400007 Data are presented in Fig.6 of 2-nd reference. 4151700400008 ENDBIB 6 0 4151700400009 NOCOMMON 0 0 4151700400010 DATA 3 38 4151700400011 EN DATA ERR-S 4151700400012 EV B B 4151700400013 1.021 11.7 0.6 4151700400014 1.093 11.0 0.7 4151700400015 1.171 11.0 0.8 4151700400016 1.884 11.2 0.6 4151700400017 2.027 11.6 0.6 4151700400018 2.188 11.5 0.5 4151700400019 2.373 11.8 0.5 4151700400020 2.577 12.0 0.5 4151700400021 2.796 11.5 0.5 4151700400022 3.038 11.6 0.5 4151700400023 3.304 12.2 0.5 4151700400024 3.598 12.0 0.6 4151700400025 3.923 11.3 1.0 4151700400026 4.681 10.9 0.7 4151700400027 5.137 12.3 0.5 4151700400028 5.663 11.8 0.5 4151700400029 6.275 11.9 0.5 4151700400030 7.064 12.6 0.5 4151700400031 7.751 13.2 0.8 4151700400032 8.318 12.2 0.6 4151700400033 9.202 11.1 0.7 4151700400034 10.32 13.5 0.8 4151700400035 11.66 11.3 0.6 4151700400036 13.20 12.3 0.6 4151700400037 15.01 12.0 0.6 4151700400038 17.21 12.4 0.6 4151700400039 19.24 12.7 0.9 4151700400040 21.54 12.3 0.6 4151700400041 24.74 11.1 0.7 4151700400042 27.73 10.1 0.8 4151700400043 31.07 11.5 0.7 4151700400044 35.60 9.8 0.8 4151700400045 41.21 11.4 0.8 4151700400046 46.95 10.3 0.9 4151700400047 52.96 10.8 0.8 4151700400048 61.45 11.8 0.9 4151700400049 72.97 11.1 1.0 4151700400050 94.94 11.2 1.8 4151700400051 ENDDATA 40 0 4151700400052 ENDSUBENT 51 0 4151700499999 SUBENT 41517005 20081202 41454151700500001 BIB 5 12 4151700500002 REACTION (82-PB-208(N,TOT),,SIG) 4151700500003 SAMPLE 231.6 g sample of Pb-208 of isotopic composition: 4151700500004 Pb-206 - 1.08%, Pb-207 - 1,79%, Pb-208 - 97.2% . 4151700500005 ERR-ANALYS (ERR-SYS) Systematic error about 1 % . 4151700500006 CORRECTION Correction for contribution of Pb-204, Pb-206, Pb-207 4151700500007 using data of this Entry, Subents 002-004,was applied.4151700500008 STATUS (APRVD) Data received from O.Shcherbakov 4151700500009 Data are presented in Fig.3 of 2-nd reference. 4151700500010 (COREL,41382008) 4151700500011 (DEP,41517002) 4151700500012 (DEP,41517003) 4151700500013 (DEP,41517004) 4151700500014 ENDBIB 12 0 4151700500015 COMMON 1 3 4151700500016 ERR-SYS 4151700500017 PER-CENT 4151700500018 1. 4151700500019 ENDCOMMON 3 0 4151700500020 DATA 3 63 4151700500021 EN DATA ERR-S 4151700500022 EV B B 4151700500023 1.021 11.470 0.017 4151700500024 1.093 11.497 0.019 4151700500025 1.171 11.507 0.021 4151700500026 1.253 11.476 0.029 4151700500027 1.340 11.520 0.076 4151700500028 1.631 11.414 0.044 4151700500029 1.752 11.516 0.022 4151700500030 1.884 11.476 0.018 4151700500031 2.027 11.471 0.016 4151700500032 2.188 11.479 0.015 4151700500033 2.373 11.488 0.014 4151700500034 2.577 11.479 0.015 4151700500035 2.796 11.499 0.015 4151700500036 3.038 11.519 0.015 4151700500037 3.304 11.469 0.015 4151700500038 3.598 11.497 0.016 4151700500039 3.923 11.508 0.024 4151700500040 4.353 11.561 0.029 4151700500041 4.681 11.482 0.016 4151700500042 5.137 11.516 0.015 4151700500043 5.663 11.506 0.015 4151700500044 6.274 11.490 0.015 4151700500045 7.064 11.512 0.014 4151700500046 7.751 11.488 0.033 4151700500047 8.318 11.522 0.017 4151700500048 9.201 11.540 0.018 4151700500049 10.32 11.504 0.015 4151700500050 13.20 11.532 0.016 4151700500051 15.01 11.528 0.018 4151700500052 17.21 11.541 0.033 4151700500053 21.53 11.509 0.035 4151700500054 24.74 11.531 0.020 4151700500055 27.73 11.533 0.028 4151700500056 31.07 11.526 0.018 4151700500057 35.60 11.501 0.018 4151700500058 41.21 11.534 0.018 4151700500059 46.95 11.533 0.030 4151700500060 52.96 11.538 0.020 4151700500061 61.45 11.509 0.019 4151700500062 72.97 11.540 0.020 4151700500063 94.94 11.517 0.021 4151700500064 162.9 11.622 0.036 4151700500065 223.7 11.565 0.024 4151700500066 283.3 11.578 0.023 4151700500067 352.0 11.608 0.024 4151700500068 437.1 11.566 0.035 4151700500069 484.5 11.597 0.031 4151700500070 546.1 11.596 0.030 4151700500071 620.1 11.544 0.032 4151700500072 710.3 11.618 0.035 4151700500073 821.7 11.613 0.032 4151700500074 961.5 11.597 0.033 4151700500075 1151. 11.569 0.032 4151700500076 1415. 11.611 0.030 4151700500077 1783. 11.557 0.029 4151700500078 2315. 11.560 0.027 4151700500079 3174. 11.509 0.027 4151700500080 7032. 11.486 0.043 4151700500081 8911. 11.494 0.048 4151700500082 10720. 11.419 0.046 4151700500083 13110. 11.278 0.041 4151700500084 16390. 11.304 0.041 4151700500085 21070. 11.180 0.042 4151700500086 ENDDATA 65 0 4151700500087 ENDSUBENT 86 0 4151700599999 ENDENTRY 5 0 4151799999999