ENTRY K2179 20100816 K008K217900000001 SUBENT K2179001 20100816 K008K217900100001 BIB 14 58 K217900100002 TITLE Photoneutron cross sections for 96Zr: A systematic K217900100003 experimental study of photoneutron and radiative K217900100004 neutron capture cross sections for zirconium isotopes K217900100005 AUTHOR (H.Utsunomiya, S.Goriely, H.Akimune, H.Harada, K217900100006 F.Kitatani, S.Goko, H.Toyokawa, K.Yamada, T.Kondo, K217900100007 O.Itoh, M.Kamata, T.Yamagata, Y.-W.Lui, S.Hilaire, K217900100008 A.J.Koning) K217900100009 INSTITUTE (2JPNKON) Department of Physics K217900100010 (2BLGBRU) Institut d'Astronomie et d'Astrophysique K217900100011 (2JPNJAE) K217900100012 (2JPNAIS) K217900100013 (1USATAM) Cyclotron Institute K217900100014 (2FR BRC) Department de Physique Theorique et K217900100015 Appliquee, Service de Physique Nucleaire K217900100016 (2NEDNRG) K217900100017 REFERENCE (J,PR/C,81,(3),035801,201003) K217900100018 Main reference. See also TITLE and AUTHOR. K217900100019 (S,AIP-1120,183,200905) K217900100020 H.Utsunomiya+, Conf.Proc. of ASR2008 K217900100021 PART-DET (N) K217900100022 INC-SOURCE (LCS) Wave length of the laser beam is 532nm K217900100023 SAMPLE - Chemical-form of target is element. ZrO2 K217900100024 - Physical-form of target is solid. K217900100025 - Target-thickness is 1342 mg/cm**2. K217900100026 (40-ZR-96,ENR=0.864) K217900100027 Isotopic impurities in the 96Zr sample were K217900100028 90Zr(5.0%), 91Zr(1.88%), 92Zr(2.69%),94Zr(4.03%) K217900100029 METHOD (RINGR) To determine average neutron energies. 20 3He K217900100030 proportional counters coaxially embedded in K217900100031 polyethylene moderator at distance of 3.8, 7.0 K217900100032 and 10.0 cm from beam axis. K217900100033 FACILITY (SRING,2JPNAIS) To store electron beam from 480.3 to K217900100034 633.2 MeV at Tsukuba Electron Ring for K217900100035 Accelerating and Storage (TERAS) K217900100036 DETECTOR (PROPC) To detect neutron K217900100037 (HPGE,BGO) To measure the energy distribution of the K217900100038 LCS gamma-ray.Two 334 cm**3 high-purity Ge K217900100039 detectors shielded with an array of 23 K217900100040 pieces of BGO crystals (HHS) K217900100041 (NAICR) To measure the energy distribution of the LCS K217900100042 gamma-ray. K217900100043 CORRECTION Neutron events originated from the isotopic impurities K217900100044 were experimentally subtracted by using enriched K217900100045 samples of 90Zr(97.7% 2249 mg/cm**2), 91Zr(90.4%, 1751 K217900100046 mg/cm**2), 92Zr(91.4%, 1601 mg/cm**2), and 94Zr(92.6%, K217900100047 1835 mg/cm**2) in the chemical form ZrO2. K217900100048 ERR-ANALYS Uncertainty of the time variation of the LCS beam K217900100049 energy distribution K217900100050 (ERR-SYS,4.4,10.8) Total systematic uncertainty K217900100051 (4.4-10.8%) K217900100052 (ERR-1) Neutron detection efficiency K217900100053 (ERR-2) Number of incident gamma rays K217900100054 (ERR-S) Statistical uncertainty K217900100055 REL-REF (M,K2164001,H.Utsunomiya+,J,PR/C,80,055806,2009) K217900100056 (M,K2111001,A.Makinaga+,J,PR/C,79,025801,2009) K217900100057 HISTORY (20100409R) Received by e-mail from T.Kondo through H. K217900100058 Utsunomyia K217900100059 (20100427C) Ayano Makinaga K217900100060 ENDBIB 58 0 K217900100061 COMMON 2 3 K217900100062 ERR-1 ERR-2 K217900100063 PER-CENT PER-CENT K217900100064 3.2 3. K217900100065 ENDCOMMON 3 0 K217900100066 ENDSUBENT 65 0 K217900199999 SUBENT K2179002 20100816 K008K217900200001 BIB 2 7 K217900200002 REACTION 1(40-ZR-96(G,N)40-ZR-95,,SIG) K217900200003 Corrected for energy spread of LCS beam based on the K217900200004 least square method K217900200005 2(40-ZR-96(G,N)40-ZR-95,,SIG) K217900200006 Corrected for energy spread of LCS beam based on the K217900200007 Taylor expansion method K217900200008 STATUS (TABLE) Plotted in Fig.2 of J,PR/C,81,035801,2010 K217900200009 ENDBIB 7 0 K217900200010 NOCOMMON 0 0 K217900200011 DATA 5 21 K217900200012 EN DATA 1ERR-S 1DATA 2ERR-S 2 K217900200013 MEV MB MB MB MB K217900200014 7.97 8.91 1.40 10.79 1.33 K217900200015 8.15 10.36 1.06 11.57 1.03 K217900200016 8.50 11.04 0.65 11.51 0.76 K217900200017 8.66 10.66 1.40 K217900200018 8.67 10.45 1.41 K217900200019 8.86 12.03 0.55 K217900200020 8.88 11.90 0.55 K217900200021 9.06 12.89 2.68 K217900200022 9.08 13.06 2.69 K217900200023 9.29 15.01 1.22 K217900200024 9.31 15.68 1.24 K217900200025 9.67 17.52 1.14 K217900200026 9.68 18.49 1.17 K217900200027 10.01 18.63 0.69 K217900200028 10.05 17.72 0.67 K217900200029 10.91 27.59 1.01 K217900200030 10.98 27.44 0.93 K217900200031 11.82 37.67 1.49 K217900200032 11.86 39.59 1.29 K217900200033 12.64 51.21 1.72 K217900200034 12.67 54.88 1.48 K217900200035 ENDDATA 23 0 K217900200036 ENDSUBENT 35 0 K217900299999 ENDENTRY 2 0 K217999999999