/*===================================================================*/ /* NRDF D0815 Data No.8 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,8; D#=D815; TITLE=/Analyzing power of the neutron continuum spectrum for the 93Nb(p,nX) reaction at 65 MeV and a DWBA analysis/; PURPOSE=/To provide stringent test for various theories by simultaneous fitting of analyzing powers as well as cross sections for both neutron and proton spectra/; ATH=(H.SAKAI'1', K.HATANAKA'1', N.MATSUOKA'1', T.SAITO'1', A.SHIMIZU'1', T.MOTOBAYASHI'2', T.SHIBATA'1'); INST-ATH=(2JPNRCN'1', 2JPNOSA'2'); /* '2' Department of Physics */ REF=PL/B; VLP=133(1983)375; RCTS=93NB(P,N)X; PHQS=(ENGY-SPEC'3', ANALPW, ANGL-DSTRN); /* '3' Double differential cross section */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,8; /* 2003-10-24 : Converted, Data converted to EXFOR E815 and EXFOR O0522 */ ENR=X%; CHM=ELM; PHYS-FORM=SLD'4'; /* '4' Metallic foil */ THK-TGT=43.6MG/CM**2; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'5'; /* '5'Isochronous cyclotron, RCNP AVF cyclotron */ INST-ACC=2JPNRCN; INC-ENGY-LAB=65MEV; BEAM-INTNSTY=50NA'6'; /* '6' maximum beam current */ POL-PRJ=82.5+-2.5%'7'; /* '7' The beam polarization was measured continuously with a 12C-polarimeter placed down stream the main scattering chamber DET-PARTCL=N; COINC=NO; ANT-COINC=NO; DET-SYS=SCT'8'; /* '8' two liquid scintillation counters (NE213) to detect neutrons */ /* Experimental Method: - Time-of-flight (To determine outgoing neutron energy. The time resolution (FWHM) of the beam burst was typically 1.0-1.5 ns, and corresponding energy resolutions of the neutrons were about 4 and 2 MeV for 50 and 30 MeV neutrons, respectively.) RCT=93NB(P,N)X; PHQ=ANALPW; ANL=DWBA'35'; /* '35' with the code DWBA74 [R.Shaeffer et al., unpublished] which includes knock-on exchange amplitudes. A microscopic form factor was employed. The effective two-body interaction was taken from [G.Bertsch et al., Nucl. Phys. A284(1977)399]. /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,8; INC-ENGY-LAB=65MEV; SYS-ERR=10%'36'; /* '36' Estimated errors in the absolute magnitude of the cross section due to uncertainties in the neutron detection efficiency calculation */ EMT=N; EXC-ENGY-MIN=12MEV; EXC-ENGY-MAX=16MEV; DELTA-THTL=+-0.6DEG'37'; /* '37' Data-point reader uncertainty */ DELTA-ANALPW=+-0.6%'38'; /* '38' Data-point reader uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTL ANALPW DELTA-ANALPW'39' (DEG) (NODIM) (%) 15.9 0.012 +-2. 25. -0.008 +-X 33.6 0.091 +-X 51.7 0.248 +-3. 65.7 0.212 +-X 86.2 0.138 +-X 106.2 0.116 +-X 126.7 0.081 +-X \END; /*===================================================================*/ |