/*===================================================================*/ /* NRDF D1670 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1670; TITLE=/ Isobalic analog state of 11Li /; ATH=(T.TERANISHI'1', S.SHIMOURA'2', Y.ANDO'2', M.HIRAI'3', N.IWASA'2', T.KIKUCHI'2', S.MORIYA'2', T.MOTOBAYASHI'2', H.MURAKAMI'2', T.NAKAMURA'3', T.NISHIO'2', H.SAKURAI'1', T.UCHIBORI'2', Y.WATANABE'1', Y.YANAGISAWA'2', M.ISHIHARA'1,3'); INST-ATH=(2JPNIPC'1', 2JPNRIK'2', 2JPNTOK'3', 2GERGSI'4'); /* '2' Department of Physics */ /* '3' Department of Physics */ REF=(PL/B'5'); VLP=(407(1997)110'5'); /* Secondary reference - NP/A, 630(1998)387 (S.Shimoura et al., Proceedings of The Sixth International Conference on Nucleus-Nucleus Collisions (Gatlinburg, 1997)) RCTS=(P(11LI,11BE)N, D(11LI,11BE)N); PHQS=(ENGY-SPEC, ENGY-SPEC'6', ANGL-DSTRN'7', X'8'); /* '6' Fermi transition part */ /* '7' Fermi transition part */ /* '8' Excitation energy and width of IAS of 11Li. This is obtained by fitting Fermi part of energy spectrum (Fig.2c) with Gaussian function over the region of 0.4 MeV < Ed < 1.6 MeV. Effects of the detector acceptance and the Ed resolution were taken into account in the fitting procedure. */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2003-08-18 : Converted, Data converted to EXFOR E1670 */ ENR=X%; PHYS-FORM=SLD; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=PRJFS'9'; /* '9' A primary 18O beam of 100 AMeV bombarded a 9Be target of 1.4 g/cm2 thickness. Reaction products were analyzed by the projectile fragment separator RIPS [T.Kubo et al., Nucl. Instr. Meth. B70(1992)309] to obtain a radioactive 11Li beam. */ INST-ACC=2JPNIPC; INC-ENGY-LAB=64MEV/A'10'; /* '10' at the middle of the target */ ERS-PRJ=6%; BEAM-INTNSTY=20000PPS; POL-PRJ=0%; DET-PARTCL=(N,P,9LI); COINC=(P,N,9LI); ANT-COINC=NO; DET-SYS=(SCT'11',TOF'12'); /* '11' To detect decay particles from 11Be. The hodoscope consisted of a 5-mm thick Delta E plane and two 60-mm thick E planes. */ /* '12' To determine velocities of charged particles and neutrons over the 3.1 m flight path between the target and the hodoscope. */ /* Experimental Method: - Time-of-flight (To determine velocities of charged particles and neutrons over the 3.1 m flight path between the target and the hodoscope.) /* Analysis: - Invariant mass method /* In the reference data given are not corrected for acceptance. In this work, 11Be*(IAS) decays in two ways: 11Be*(IAS) -> 9Li+p+n (direct decay) and 11Be*(IAS) -> 10Li+p ->9Li+p+n (Sequential decay). The author assumed direct decay in the evaluation of acceptance. To avoid ambiguity due to this assumption, authors gave raw data (not corrected by acceptance) in the reference. */ /* none */ /* none */ RCT=P(11LI,11BE)N; PHQ=ENGY-SPEC'29'; /* '29' Fermi transition part */ CHM=CH2'30'; /* '30' (CH2)n and C target are used, C target was used to subtract the contributions of carbon nuclei in the (CH2)n target. */ THK-TGT=XMG/CM**2'31'; /* '31' 191 and 188 mg/cm2 for (CH2)n and C target, respectively. /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; INC-ENGY-LAB=64MEV/A; SYS-ERR=10%'32'; /* '32' Total systematic error. Mainly due to the uncertainty in neutron detection efficiency */ THTL-MIN=0DEG; THTL-MAX=5DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY-EMT'33' DATA1'34' DSIGMA/DE'35' DELTA-DSIGMA/DE'35,36' DATA2'37' (MEV) (MEV) (MB/MEV) (MB/MEV) (NODIM) 20.19 0.05 0.00 +-0.00 0.030 20.29 0.15 -0.01 +-0.02 0.095 20.39 0.25 -0.01 +-0.03 0.155 20.49 0.35 0.04 +-0.05 0.200 20.59 0.45 0.14 +-0.07 0.236 20.69 0.55 0.18 +-0.08 0.265 20.79 0.65 0.36 +-0.10 0.287 20.89 0.75 0.55 +-0.13 0.306 20.99 0.85 0.64 +-0.14 0.322 21.09 0.95 1.30 +-0.17 0.336 21.19 1.05 1.36 +-0.17 0.347 21.29 1.15 1.13 +-0.16 0.358 21.39 1.25 0.70 +-0.14 0.368 21.49 1.35 0.27 +-0.13 0.376 21.59 1.45 0.61 +-0.12 0.382 21.69 1.55 0.17 +-0.11 0.387 21.79 1.65 0.34 +-0.11 0.391 21.89 1.75 0.29 +-0.11 0.394 21.99 1.85 0.10 +-0.10 0.397 22.09 1.95 0.10 +-0.09 0.398 22.19 2.05 0.06 +-0.09 0.399 22.29 2.15 0.29 +-0.09 0.399 22.39 2.25 0.23 +-0.09 0.398 22.49 2.35 -0.10 +-0.08 0.396 22.59 2.45 0.13 +-0.09 0.394 22.69 2.55 0.06 +-0.08 0.392 22.79 2.65 0.10 +-0.08 0.388 22.89 2.75 0.09 +-0.08 0.384 22.99 2.85 -0.04 +-0.07 0.380 23.09 2.95 0.06 +-0.08 0.374 23.19 3.05 0.13 +-0.08 0.369 23.29 3.15 0.13 +-0.08 0.364 23.39 3.25 0.20 +-0.07 0.358 23.49 3.35 0.04 +-0.07 0.351 23.59 3.45 -0.04 +-0.07 0.344 23.69 3.55 0.11 +-0.07 0.338 23.79 3.65 -0.02 +-0.06 0.331 23.89 3.75 -0.08 +-0.06 0.324 23.99 3.85 -0.06 +-0.06 0.317 24.09 3.95 -0.02 +-0.06 0.309 24.19 4.05 0.00 +-0.06 0.303 24.29 4.15 0.00 +-0.07 0.295 24.39 4.25 0.02 +-0.06 0.287 24.49 4.35 0.09 +-0.06 0.280 24.59 4.45 0.04 +-0.06 0.273 24.69 4.55 -0.09 +-0.06 0.266 24.79 4.65 0.04 +-0.06 0.259 24.89 4.75 0.06 +-0.05 0.252 24.99 4.85 -0.03 +-0.05 0.245 25.09 4.95 -0.05 +-0.05 0.238 25.19 5.05 0.07 +-0.05 0.232 25.29 5.15 -0.11 +-0.05 0.225 25.39 5.25 -0.07 +-0.04 0.219 25.49 5.35 0.00 +-0.04 0.213 25.59 5.45 -0.10 +-0.05 0.207 25.69 5.55 0.01 +-0.05 0.201 25.79 5.65 -0.05 +-0.04 0.195 25.89 5.75 0.02 +-0.05 0.190 25.99 5.85 0.05 +-0.05 0.185 26.09 5.95 -0.01 +-0.04 0.180 26.19 6.05 -0.02 +-0.04 0.174 26.29 6.15 -0.01 +-0.04 0.170 26.39 6.25 -0.01 +-0.04 0.165 26.49 6.35 0.05 +-0.04 0.161 26.59 6.45 -0.02 +-0.05 0.156 26.69 6.55 -0.05 +-0.04 0.152 26.79 6.65 0.00 +-0.04 0.148 26.89 6.75 -0.03 +-0.04 0.144 26.99 6.85 -0.03 +-0.04 0.141 27.09 6.95 0.03 +-0.04 0.137 27.19 7.05 -0.07 +-0.04 0.133 27.29 7.15 -0.05 +-0.03 0.130 27.39 7.25 -0.07 +-0.03 0.127 27.49 7.35 -0.02 +-0.03 0.123 27.59 7.45 -0.01 +-0.04 0.120 27.69 7.55 0.02 +-0.03 0.117 27.79 7.65 -0.02 +-0.04 0.115 27.89 7.75 0.00 +-0.03 0.112 27.99 7.85 -0.02 +-0.03 0.109 28.09 7.95 -0.05 +-0.03 0.107 28.19 8.05 0.00 +-0.03 0.104 28.29 8.15 -0.04 +-0.03 0.101 28.39 8.25 0.02 +-0.03 0.099 28.49 8.35 0.01 +-0.03 0.097 28.59 8.45 -0.01 +-0.02 0.095 28.69 8.55 0.04 +-0.04 0.093 28.79 8.65 -0.01 +-0.02 0.091 28.89 8.75 -0.07 +-0.03 0.089 28.99 8.85 -0.02 +-0.02 0.087 29.09 8.95 -0.01 +-0.02 0.085 29.19 9.05 0.01 +-0.03 0.083 29.29 9.15 0.01 +-0.02 0.082 29.39 9.25 0.02 +-0.02 0.080 29.49 9.35 -0.04 +-0.03 0.078 29.59 9.45 -0.02 +-0.02 0.077 29.69 9.55 -0.01 +-0.03 0.075 29.79 9.65 -0.05 +-0.02 0.074 29.89 9.75 -0.03 +-0.02 0.072 29.99 9.85 -0.03 +-0.03 0.071 30.09 9.95 0.01 +-0.02 0.069 \END; /*===================================================================*/ |