/*===================================================================*/ /* NRDF D1790 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1790; TITLE=/ Isovector quadrupole resonance observed in the 60Ni(13C,13N)60Co reaction at E/A=100 MeV /; PURPOSE=/ To identify isovector giant quadrupole resonance (IVGQR) in the 60Ni(13C,13N)60Co /; ATH=(T.ICHIHARA'1', M.ISHIHARA'1', H.OHNUMA'2', T.NIIZEKI'3', Y.SATOU'4', H.OKAMURA'5', S.KUBONO'4', M.H.TANAKA'6', Y.FUCHI'6'); INST-ATH=(2JPNIPC'1', 2JPNJPN'2', 2JPNJPN'3', 2JPNTOK'4', 2JPNSUU'5', 2JPNKEK'6'); /* '2' Department of Physics, Chiba Institute of Technology, Chiba /* '3' Faculty of Home Economics, Tokyo Kasei University, Tokyo */ /* '4' Center for Nuclear Study (CNS) */ /* '5' Department of Physics */ REF=PRL; VLP=89(2002)142501; RCTS=(60NI(13C,13N)60CO, 60NI(13C,13C)60NI); PHQS=(GIA-RESN'7', ANGL-DSTRN, OPT-POTL-PARA); /* '7' The authors also did 60Ni(12C,12N)60Co at 135MeV/A. One resonance was found at excitation energy of 10MeV. */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2003-03-13 : Compiled */ ENR=X%'8'; /* '8' enriched target */ THK-TGT=3.0MG/CM**2; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'9'; /* '9' K540 RIKEN Ring Cyclotron */ INST-ACC=2JPNIPC; INC-ENGY-LAB=100MEV/A; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=(MAG'10',MWDC'11',SCT'12',TOF'13',EDE'14'); /* '10' Spectrograph SMART [T.Ichihara et al., Nucl. Phys. A569 (1994) 287c] */ /* '11' To obtain momentum and scattering angle. Cathode readout drift chambers (CRDC) [M.H.Tanaka et al., Nucl. Instrum. Methods Phys. Res., A362 (1995) 521] The overall angular resolution obtained by reconstructing the trajectory through the two CRDC's was estimated to be approximately 0.1 deg. */ /* '12' To provide Delta-E and time of flight signals for particle identification */ /* '13' for paticle identification */ /* '14' for paticle identification */ SOLID-ANGL=XMSR'15'; /* '15' Angular acceptance is 200 mrad for vertical and 50 mrad for horizontal planes. */ ERS-DET=1MEV'16'; /* '16' Including contribution of incident beam energy resolution, energy loss due to finite target thickness, optical momentum resolution of spectrograph, and position resolution of position detector */ /* Experimental Method: - Time-of-flight (for paticle identification) - Particle identification by 'E/Delta E' measurement (for paticle identification) RCT=60NI(13C,13N)60CO; PHQ=ANGL-DSTRN; DET-PARTCL=13N; ANL=DWBA'20'; /* '20' using code developed by Lenske [H.Lenske, Nucl. Phys. A482 (1988) 343c]. Optical potential determined by fitting the present data on the 60Ni(13C,13C)60Ni elastic scattering with code ECIS79 [J.Raynal, code ECIS79 (unpublisehd)]. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; INC-ENGY-LAB=100MEV/A; EXC-ENGY=20MEV; DELTA-EXC-ENGY=2MEV; TRNSF-L=2'21'; /* '21' Transferred orbital angular momentum L */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 0.12 0.5360E+01 +-0.3170E+00 0.37 0.5150E+01 +-0.1770E+00 0.62 0.5440E+01 +-0.1300E+00 0.87 0.4080E+01 +-0.9910E-01 1.11 0.2420E+01 +-0.7580E-01 1.36 0.1690E+01 +-0.5790E-01 1.61 0.1350E+01 +-0.5090E-01 1.86 0.1100E+01 +-0.4430E-01 2.10 0.8450E+00 +-0.3910E-01 2.35 0.5520E+00 +-0.3620E-01 2.60 0.3330E+00 +-0.3150E-01 2.85 0.2650E+00 +-0.2810E-01 3.09 0.2000E+00 +-0.2480E-01 3.34 0.1270E+00 +-0.2210E-01 3.84 0.5930E-01 +-0.1620E-01 \END; /*===================================================================*/ |