/*===================================================================*/ /* NRDF D1903 Data No.15 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,15; D#=D1903; TITLE=/ Density distribution of 8B studied via reaction cross sections /; PURPOSE=/ To measure reaction cross section for 8B on Be, C and Al targets at energies of 40A and 60A MeV /; ATH=(M.FUKUDA'1', M.MIHARA'1', T.FUKAO'1', S.FUKUDA'2', M.ISHIHARA'2, 4', S.ITO'2', T.KOBAYASHI'2', K.MATSUTA'1', T.MINAMISONO'1', S.MOMOTA'2', T.NAKAMURA'4', Y.NOJIRI'1', Y.OGAWA'1', T.OHTSUBO'3', T.ONISHI'1', A.OZAWA'2', T.SUZUKI'2', M.TANIGAKI'1', I.TANIHATA'2', K.YOSHIDA'2'); INST-ATH=(2JPNOSA'1', 2JPNIPC'2', 2JPNNII'3', 2JPNTOK'4'); /* '1' Department of Physics */ /* '3' Department of Physics */ /* '4' Department of Physics */ REF=NP/A; VLP=656(1999)209; RCTS=(9BE(8B,X)X, 9BE(8B,P,7BE)X, 12C(8B,X)X, 12C(8B,P,7BE)X, 27AL(8B,X)X, 27AL(8B,P,7BE)X, 9BE(7BE,X)X, 9BE(7BE,P,6LI)X, 12C(7BE,X)X, 12C(7BE,P,6LI)X, 27AL(7BE,X)X, 27AL(7BE,P,6LI)X, 9BE(6LI,X)X, 12C(6LI,X)X, 27AL(6LI,X)X); PHQS=XSECTN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,15; /* 2004-12-04 : Compiled, Kc + Sr + On */ PHQ=XSECTN; /* Additional results shown but not compiled - Nuclear structure data (8B root mean square radii obtained by chi-squared fitting procedure on reaction cross sections are 2.53+-0.13 fm (proton), 2.31+-0.05 fm (neutron) and 2.45+-0.10 fm (matter), respectively.) ENR=X%; CHM=ELM; PHYS-FORM=SLD; THK-TGT=XMG/CM**2'5'; /* '5' Target thickness was chosen so that the energy loss of 8B in the target was about 20A MeV for both incident energies of 50A and 70A MeV. */ BAC=X; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC'6',PRJFS'7'); /* '6' 8B secondary beam was produced by the fragmentation of a 135A MeV 12C primary beam incident on a 5-15 mm Be production targets. */ /* '7' RIKEN projectile fragment separator (RIPS). */ INST-ACC=(2JPNIPC'6',2JPNIPC'7'); POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=(PPAC'8',SI'9',SCT'10',TOF,EDE); /* '8' To measure TOF of ejected particles */ /* '9' To measure energy loss of ejected particles */ /* '10' Plastic scintillation counter: To measure the TOF of ejected particles */ ANL=GLAUBER; /* Experimental Method: - Time-of-flight - Particle identification by 'E/Delta E' measurement - Transmission method RCT=12C(7BE,P,6LI)X; INC-ENGY-LAB=(32.0MEV/A, 50.1MEV/A); DET-PARTCL=(7BE,6LI); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,15; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB XSECTN DELTA-XSECTN (MEV/A) (MB) (MB) 32.0 59 +-24 \END; /*===================================================================*/ |