/*===================================================================*/ /* NRDF D1820 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D1820; TITLE=/ Isoscalar giant dipole resonance in 208Pb via inelastic alpha scattering at 400 MeV and nuclear incompressibility /; PURPOSE=/ To investigate isoscalar giant dipole resonance in 208Pb ATH=(M.UCHIDA'1', H.SAKAGUCHI'1', M.ITOH'1', M.YOSOI'1', T.KAWABATA'1', H.TAKEDA'1', Y.YASUDA'1', T.MURAKAMI'1', T.ISHIKAWA'1', T.TAKI'1', N.TSUKAHARA'1', S.TERASHIMA'1', U.GARG'2', M.HEDDEN'2', B.KHARRAJA'2', M.KOSS'2', B.K.NAYAK'2', S.ZHU'2', M.FUJIWARA'3,4', H.FUJIMURA'3', K.HARA'3', E.OBAYASHI'3', H.P.YOSHIDA'3', H.AKIMUNE'5', M.N.HARAKEH'6', M.VOLKERTS'6'); INST-ATH=(2JPNKTO'1', 1USANOT'2', 2JPNRCN'3', 2JPNJAE'4', 2JPNKON'5', 2NEDGRN'6'); /* '1' Department of Physics */ /* '2' Physics Department */ /* '4' Advanced Science Research Center */ /* '5' Department of Physics */ /* '6' Kernfysisch Versneller Instituut */ REF=PL/B; VLP=557(2003)12; /* Secondary reference - Uchida, Thesis(2003) RCTS=208PB(ALPHA,ALPHA)208PB; PHQS=(ENGY-SPEC, ANGL-DSTRN'7', STRGTH-FUNCT'8', STRGTH-FUNCT'9', STRGTH-FUNCT'10', STRGTH-FUNCT'11', EWSR); /* '7' Double differential cross section (dsigma/dOmega/dE) for fixed E */ /* '8' Strength distribution for T=0, L=0 transitions, ISGMR */ /* '9' Strength distribution for T=0, L=1 transitions, ISGDR */ /* '10' Strength distribution for T=0, L=2 transitions, ISGQR */ /* '11' Strength distribution for T=0, L=3 transitions, HERO */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2003-07-26 : Compiled, Im + Am */ RTY=INEL-SCATT; ENR=X%; CHM=ELM; PHYS-FORM=SLD; THK-TGT=10.1MG/CM**2; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'12'; /* '12' RCNP ring cyclotron */ INST-ACC=2JPNRCN; INC-ENGY-LAB=386MEV'13'; /* '13' Reference gives 400 MeV but correct value is 386 MeV (private communication with H.Sakaguchi (2003.12.17)). */ CHRG-INC-ION=2; POL-PRJ=0%; DET-PARTCL=ALPHA; COINC=NO; ANT-COINC=NO; DET-SYS=(MAG'14',MWDC'15',SCT'15'); /* '14' To momentum-analyze inelastically scattered particles with the high resolution magnetic spectrometer Grand Raiden [M. Fujiwara et al., Nucl. Instrum. Methods. Phys. Res. A422(1999)484] */ /* '15' Focal-plane detection system consisted of two MWDC [T. Noro, et al., RCNP Annual Report (1991) 177] and two plastic scintillation counters */ ERS-DET=200KEV'16'; /* '16' Typical value (FWHM) */ CALB-DET=/ Energy scale was calibrated using elastic and inelastic scattering of alpha-particles from 12C (g.s., 4.439, 7.641 and 9.41 MeV states) under the same magnetic-field conditions as those in the measurements for 208Pb. /; ANL=DWBA'17'; /* '17' Multipole decomposition analysis (MDA) was used analysis of giant-resonance data. The angular distribution was fitted with the superposition of multipolarity, with calculated DWBA cross sections. */ /* Experimental Method: - Ray-tracking technique /* 2006-10-05 : Altered, At. Re-digitized */ RCT=208PB(ALPHA,ALPHA)208PB; PHQ=STRGTH-FUNCT'22'; /* '22' Strength distribution for T=0, L=0 transitions, ISGMR */ /* Analysis: - Multipole deconposition analysis (MDA) was used analysis of giant-resonance data. The angular distribution was fitted with the superposition of multipolarity, with calculated DWBA cross sections. /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; INC-ENGY-LAB=386MEV'18'; /* '18' Reference gives 400 MeV but correct value is 386 MeV (private communication with H.Sakaguchi (2003.12.17)). */ ISOSPIN=0'23'; /* '23' Isoscalar mode of giant resonance in 208Pb */ MLTPOL=0'24'; /* '24' Monopole mode of giant resonance in 208Pb */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY STRGTH-FUNCT'25' DELTA-STRGTH-FUNCT'25' (MEV) (UNIT) (UNIT) 8.572E+00 583.7 +-1.621E-01 9.505E+00 1484 +-2.702E-01 1.052E+01 1880 +-3.422E-01 1.150E+01 2853 +-3.422E-01 1.243E+01 3916 +-3.962E-01 1.341E+01 6275 +-7.745E-01 1.442E+01 4564 +-5.944E-01 1.540E+01 2259 +-3.782E-01 1.633E+01 1358 +-2.522E-01 1.739E+01 1484 +-2.341E-01 1.828E+01 1340 +-2.522E-01 1.926E+01 1088 +-2.702E-01 2.027E+01 1340 +-3.062E-01 2.121E+01 1124 +-2.702E-01 2.222E+01 511.7 +-3.062E-01 2.316E+01 673.7 +-3.422E-01 2.413E+01 475.6 +-3.782E-01 2.511E+01 691.8 +-3.422E-01 2.612E+01 187.5 +-3.602E-01 2.706E+01 1304 +-3.962E-01 2.803E+01 457.6 +-3.962E-01 2.905E+01 871.9 +-4.503E-01 3.100E+01 889.9 +-6.304E-01 \END; /*===================================================================*/ |