/*===================================================================*/ /* NRDF D1933 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D1933; TITLE=/ Measurement of the 8Li(alpha,n)11B reaction cross sections of astrophysical interest /; ATH=(H.ISHIYAMA'1', T.HASHIMOTO'2', T.ISHIKAWA'2', Y.X.WATANABE'1', S.K.DAS'3', H.MIYATAKEA'1,4', Y.MIZOI'3', T.FUKUDA'3', M.-H.TANAKA'1', Y.FUCHI'1', N.YOSHIKAWA'1', Y.HIRAYAMA'1', S.C.JEONG'1', T.NOMURA'1', I.KATAYAMA'1', S.MITSUOKA'4', K.NISHIO'4', M.MATSUDA'5', P.K.SAHA'3', S.ICHIKAWA'4', H.IKEZOE'4', T.FURUKAWA'5', H.IZUMI'5', T.SHIMODA'5', K.NAKAI'2'); INST-ATH=(2JPNKEK'1', 2JPNSUT'2', 2JPNJPN'3', 2JPNJAE'4', 2JPNJAE'5', 2JPNOSA'6'); /* '1' Institute of Particle and Nuclear Studies */ /* '2' Faculty of Science and Technology */ /* '3' Laboratory of Physics, Osaka Electro-Communication Univ., Neyagawa */ /* '4' Advanced Science Research Center */ /* '5' Tokai Research and Development Center */ /* '6' Graduate School of Science */ REF=PL/B; VLP=640(2006)82; /* Secondary references - NP/A, 746(2004)330 (T.Hashimoto et al., Proc. of the 6th International Conference on Radioactive Nuclear Beams (RNB6)) - NP/A, 738(2004)401 (H.Miyatake et al., Proc. of the 8th International Conference on Clustering Aspects of Nuclear Structure and Dynamics (CLUSTER'03)) RCTS=ALPHA(8LI,N)11B; PHQS=(EXC-FUNCT, ENGY-SPEC); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; /* 2005-05-10 : Received, Received by e-mail from T.Hashimoto */ /* 2005-07-15 : Compiled+Checked, Kc + On */ /* 2006-10-04 : Altered, On. REFERENCE: NP/A,738 added */ /* 2010-02-23 : Altered, Nf. REFERENCE: PL/B,640 added */ CHM=X'8'; /* '8' He+CO2 (10%) */ PHYS-FORM=GAS; POL-TGT=0%; ALGN-TGT=0%; ACC=(VDGT'9',PRJFS'10'); /* '9' Secondary beam produced via the 9Be(7Li, 8Li) reaction, where a 42 micro-m thick 9Be foil was used as a production target. */ /* '10' Recoil Mass Separator (RMS) */ INST-ACC=(2JPNJAE'9',2JPNJAE'10'); BEAM-INTNSTY=XMA'11'; /* '11' Yield of 8Li at the focal plane of recoil mass separator was 4.8 x 10**3 Hz per 3.3 pnA 7Li-beam at 24 MeV. */ POL-PRJ=0%; ION-SOURCE=/ The purity of 8Li-beam was 99%. /; DET-PARTCL=(11B,N); COINC=(N,11B); ANT-COINC=NO; DET-SYS=(IC'12',PROP-CNTR'12',SCT'13',PPAC'13',TOF'14'); /* '12' Multiple-sampling and tracking proportional chamber (MSTPC) [Y. Mizoi et al., Nucl. Instrum. Meth. A431(1999)112] used to measure reaction energies of 8Li-beam and three-dimensional tracks of multiple charged particles and their energy losses along their trajectories. The detection efficiency is about 100 %. */ /* '13' To measure TOF of neutrons. Solid angle is 31.4% of 4-pi. Absolute efficiency was calibrated with a 252Cf fission source and it was about 40% at 5.0 MeV. */ /* '14' For the determination of the energy of 8Li-beam and for detecting neutrons */ EFCN-DET=/ The overall efficiency of the present system is about 10%. /* 2006-04-20 : Altered, On. RSD added in SF7 */ /* 2010-02-23 : Altered, Nf. STATUS: Free text revised */ RCT=(ALPHA(8LI,N)11B=8LI(ALPHA,N)11B); PHQ=ENGY-SPEC; INC-ENGY-CM-RANGE=0.75[2.55MEV; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; SYS-ERR=[10%'15'; /* '15' Total systematic error */ INC-ENGY-CM=0.75[2.55MEV; DELTA-EXC-ENGY=0.2MEV; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY'16' (MEV) (MB) (MB) -5.8 0 0 -5.4 0 0 -5.0 0 0 -4.6 0 0 -4.2 0 0 -3.8 0 0 -3.4 0 0 -3.0 0 0 -2.6 18.13058 11.95865 -2.2 0 0 -1.8 53.08459 18.26432 -1.4 16.98217 11.20118 -1.0 61.11438 18.84067 -0.6 84.7936 25.28291 -0.2 89.02541 18.87087 0.2 113.2091 28.55168 0.6 109.5661 21.38043 1.0 68.426 21.33394 1.4 52.07381 19.1205 1.8 64.6998 21.22543 2.2 75.49908 23.89733 2.6 71.24117 20.13043 3.0 66.7783 22.83186 3.4 72.654 26.21828 3.8 78.267 24.47715 4.2 268.0402 37.76329 4.6 284.4622 36.25272 5.0 330.4831 39.47189 5.4 199.1583 26.5191 5.8 154.156 31.17468 6.2 141.9453 28.88983 6.6 325.578 85.68954 7.0 505.0579 63.24677 7.4 479.6057 50.03141 7.8 407.8745 70.08317 8.2 304.24 41.03253 8.6 171.2439 34.24014 9.0 0 0 9.4 0 0 9.8 0 0 \END; /*===================================================================*/ |