/*===================================================================*/ /* NRDF D1932 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D1932; TITLE=/ In-beam gamma-ray spectroscopy of neutron-rich boron isotopes 15,17B via inelastic scattering on 12C /; ATH=(Y.KONDO'1', T.NAKAMURA'1', N.AOI'2', H.BABA'3', D.BAZIN'4', N.FUKUDA'2', T.GOMI'2', H.HASEGAWA'5', N.IMAI'2', M.ISHIHARA'2', T.KOBAYASHI'6', T.KUBO'2', M.MIURA'1', T.MOTOBAYASHI'2', A.SAITO'3', H.SAKURAI'7', S.SHIMOURA'3', T.SUGIMOTO'1', K.WATANABE'6', Y.X.WATANABE'8', T.YAKUSHIJI'6', Y.YANAGISAWA'2', K.YONEDA'4'); INST-ATH=(2JPNTIT'1', 2JPNIPC'2', 2JPNTOK'3', 1USAMSU'4', 2JPNRIK'5', 2JPNTOH'6', 2JPNTOK'7', 2JPNKEK'8'); /* '1' Department of Physics */ /* '3' Center for Nuclear Study (CNS) */ /* '4' National Superconducting Cyclotron Laboratory */ /* '5' Department of Physics */ /* '6' Department of Physics */ /* '7' Department of Physics */ REF=PR/C; VLP=71(2005)044611; RCTS=(12C(17B,17B)12C, 12C(15B,15B)12C); PHQS=(ANGL-DSTRN, XSECTN); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2005-07-28 : Compiled+Checked, C.Kurokawa + N.Otuka */ RTY=INEL-SCATT; CHM=ELM; PHYS-FORM=SLD; THK-TGT=377MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC'9',PRJFS'10'); /* '9' 22Ne beam at 110 MeV/nucleon bombarded a primary Be target of thickness 1.1 g/cm**2 to produce the secondary 15B and 17B beams. */ /* '10' RIKEN Projectile Fragment Separator (RIPS) */ INST-ACC=(2JPNIPC'9',2JPNIPC'10'); POL-PRJ=0%; ANT-COINC=NO; DET-SYS=(MAG'11',error,NAI'12',TOF'13',EDE'14'); /* '11' To analyze outgoing boron isotopes */ /* '12' To detect deexcitation gamma rays using about a half-set of the DALI system [T. Motobayashi et al., Phys. Lett. B346(1995)9] */ /* '13' For outgoing boron isotopes. */ /* '14' For outgoing boron isotopes. */ ANL=DWBA'15'; /* '15' Using the code ECIS97 [J. Raynal, Coupled channel code ECIS97 (unpublished)]. */ /* Experimental Method: - The momentum vector of the outgoing particles was reconstructed from tracking analysis. /* 2007-12-31 : Altered, N.Otuka. N1 of BIB corrected */ /* 2008-09-03 : Altered, Ty. EN-SEC: 6-C-12 -> 5-B-15 and E-EXC -> E-LVL */ RCT=12C(15B,15B)12C; PHQ=XSECTN; INC-ENGY-LAB-RANGE=72MEV/A'38'; /* '38' Average kinetic energy at the middle of target */ BEAM-INTNSTY=12000PPS; DET-PARTCL=(GAMMA'39',15B); /* '39' Prompt gamma from 15BDoublet of two 15B deexcitation gamma lines 1.30+-0.04 MeV (1st to g.s.) and 1.41+-0.02 MeV (2nd to 1st) could not be separated due to the low statistics. COINC=(GAMMA'40',15B); /* '40' Prompt gamma from 15B */ ANL=SHELL-MODEL'41'; /* '41' For quadrupole deformation length */ /* 2 gamma-lines 1.30(4) and 1.41(2) are observed in 12C(17B,15B*) in this work. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; SYS-ERR=16%'16'; /* '16' Due to the gamma-ray detection efficiency which has been evaluated from the difference between the simulation and the measurement using the 22Na, 60Co, and 137Cs gamma sources. */ EMT-1=15B; ENGY-GAMMA=1.35MEV'42'; /* '42' Prompt gamma from 15B (Doublet of two 15B deexcitation gamma lines 1.30+-0.04 MeV (1st to g.s.) and 1.41+-0.02 MeV (2nd to 1st) could not be separated due to the low statistics.) */ THTC-1=<10DEG; DEFM-PARA=1.17FM'43'; /* '43' Quadrupole deformation length delta (fm) = deformation parmeter (beta) * nuclear radius, obtained by using Coupled-Channel calculation */ DELTA-DEFM-PARA=0.12FM; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB EXC-ENGY FLAG'44' (MEV/A) (MEV) (MB) (MB) (NODIM) 72 1.30 7.4 +-3.7 1 72 2.71 6.3 +-2.1 2 \END; /*===================================================================*/ |