/*===================================================================*/ /* NRDF D1790 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; 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,1; /* 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=GIA-RESN'17'; /* '17' The authors also did 60Ni(12C,12N)60Co at 135MeV/A. One resonance was found at excitation energy of 10MeV. */ DET-PARTCL=13N; /* Analysis: - Resonance parameters are obtained by fit two gaussians to excitation spectram (contributions of quasi-free charge-exchange are subtracted before the fit) /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; INC-ENGY-LAB=100MEV/A; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY DELTA-EXC-ENGY WDTH DELTA-WDTH (MEV) (MEV) (MEV) (MEV) 8.7 +-0.5 2.8 +-0.8 20 +-2 9 +-2 \END; /*===================================================================*/ |