/* 2010-08-16 File is generated by HENDEL. */ \\BIB,1; D#=D2179; TITLE=/ Photoneutron cross sections for 96Zr: A systematic experimental study of photoneutron and radiative neutron capture cross sections for zirconium isotopes /; PURPOSE=/ Photoneutron cross sections were measured for 96Zr near neutron threshold with quasimonochromatic laser-Compton-scattering gamma-ray beams. /; ATH=(H.UTSUNOMIYA'1', S.GORIELY'2', H.AKIMUNE'1', H.HARADA'3', F.KITATANI'3', S.GOKO'3', H.TOYOKAWA'4', K.YAMADA'4', T.KONDO'1', O.ITOH'1', M.KAMATA'1', T.YAMAGATA'1', Y.-W.LUI'5', S.HILAIRE'6', A.J.KONING'7'); INST-ATH=(2JPNKON'1', 2BLGBRU'2', 2JPNJAE'3', 2JPNAIS'4', 1USATAM'5', 2FR BRC'6', 2NEDNRG'7'); /* '1' Department of Physics */ /* '2' Institut d'Astronomie et d'Astrophysique */ /* '5' Cyclotron Institute */ /* '6' Department de Physique Theorique et Appliquee, Service de Physique Nucleaire */ REF=PR/C; VLP=81(2010)035801; /* Secondary reference - AIP, 1120(2009)183 (H.Utsunomiya et al., Conf.Proc. of ASR2008) */ RCTS=96ZR(GAMMA,N)95ZR; PHQS=XSECTN; \\EXP,1; /* 2010-04-09 : Received, Received by e-mail from T.Kondo through H. Utsunomyia */ /* 2010-04-27 : Compiled+Checked, Ayano Makinaga */ /* Related references - H.Utsunomiya et al., PR/C, 80(2009)055806. . See also EXFOR K2164. - A.Makinaga et al., PR/C, 79(2009)025801. . See also EXFOR K2111. */ PHQ=XSECTN; ENR=86.4+-0.6%'8'; /* '8' Isotopic impurities in the 96Zr sample were 90Zr(5.0%), 91Zr(1.88%), 92Zr(2.69%),94Zr(4.03%) */ CHM=ELM'9'; /* '9' ZrO2 */ PHYS-FORM=SLD; THK-TGT=1342MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC='10'; /* '10' To store electron beam from 480.3 to 633.2 MeV */ INST-ACC=2JPNAIS'11'; /* '11' Tsukuba Electron Ring for Accelerating and Storage (TERAS) */ INC-ENGY-LAB-RANGE=8.1[14.0MEV; POL-PRJ=0%; ION-SOURCE=/ Laser Compton Scattered Photons (Wave length of the laser beam is 532nm) /; DET-PARTCL=N; COINC=NO; ANT-COINC=NO; DET-SYS=(PROP-CNTR'12',HPGE'13',BGO'13',NAI'14'); /* '12' To detect neutron */ /* '13' To measure the energy distribution of the LCS gamma-ray.Two 334 cm**3 high-purity Ge detectors shielded with an array of 23 pieces of BGO crystals (HHS) */ /* '14' To measure the energy distribution of the LCS gamma-ray. */ /* Experimental Method: - Ring ratio method (To determine average neutron energies. 20 3He proportional counters coaxially embedded in polyethylene moderator at distance of 3.8, 7.0 and 10.0 cm from beam axis.) */ /* Neutron events originated from the isotopic impurities were experimentally subtracted by using enriched samples of 90Zr(97.7% 2249 mg/cm**2), 91Zr(90.4%, 1751 mg/cm**2), 92Zr(91.4%, 1601 mg/cm**2), and 94Zr(92.6%, 1835 mg/cm**2) in the chemical form ZrO2. */ \\DATA,1; SYS-ERR=(4.4[10.8%'15',3.2%'16',3%'17',X%'18'); /* '15' Total systematic error */ /* '16' Neutron detection efficiency */ /* '17' Number of incident gamma rays */ /* '18' Uncertainty of the time variation of the LCS beam energy distribution */ \\EXP,1; RCT=96ZR(GAMMA,N)95ZR; \\DATA,1; \DATA; INC-ENGY-LAB SIGMA',19' DELTA-SIGMA',20' SIGMA',21' DELTA-SIGMA',22' (MEV) (MB) (MB) (MB) (MB) 7.97 8.91 +-1.40 10.79 +-1.33 8.15 10.36 +-1.06 11.57 +-1.03 8.50 11.04 +-0.65 11.51 +-0.76 8.66 X +-X 10.66 +-1.40 8.67 10.45 +-1.41 X +-X 8.86 12.03 +-0.55 X +-X 8.88 X +-X 11.90 +-0.55 9.06 X +-X 12.89 +-2.68 9.08 13.06 +-2.69 X +-X 9.29 X +-X 15.01 +-1.22 9.31 15.68 +-1.24 X +-X 9.67 X +-X 17.52 +-1.14 9.68 18.49 +-1.17 X +-X 10.01 18.63 +-0.69 X +-X 10.05 X +-X 17.72 +-0.67 10.91 27.59 +-1.01 X +-X 10.98 X +-X 27.44 +-0.93 11.82 37.67 +-1.49 X +-X 11.86 X +-X 39.59 +-1.29 12.64 51.21 +-1.72 X +-X 12.67 X +-X 54.88 +-1.48 \END; /* Plotted in Fig.2 of J,PR/C,81,035801,2010 */ /* '19' Corrected for energy spread of LCS beam based on the least square method */ /* '20' Statistical error */ /* '21' Corrected for energy spread of LCS beam based on the Taylor expansion method */ /* '22' Statistical error */ \\END;