/* 2005-12-19 File is generated by HENDEL. */ \\BIB,1[8; D#=D1573; TITLE=/ Coulomb dissociation of a halo nucleus 11Be at 72A MeV /; PURPOSE=/ To perform the coincidence measurement of 11Be dissociation /; ATH=(T.NAKAMURA'1', S.SHIMOURA'1', T.KOBAYASHI'2', T.TERANISHI'1', K.ABE'3', N.AOI'1', Y.DOKI'1', M.FUJIMAKI'2', N.INABE'2', N.IWASA'4', K.KATORI'3', T.KUBO'2', H.OKUNO'1', T.SUZUKI'2', I.TANIHATA'2', Y.WATANABE'2', A.YOSHIDA'2', M.ISHIHARA'1,2'); INST-ATH=(2JPNTOK'1', 2JPNIPC'2', 2JPNOSA'3', 2JPNRIK'4'); /* '1' Department of Physics */ /* '3' Department of Physics */ /* '4' Department of Physics */ REF=PL/B; VLP=331(1994)296; RCTS=(PB(11BE,11BE)PB, 12C(11BE,11BE)12C, PB(11BE,N,10BE)PB); PHQS=(ENGY-SPEC, STRGTH-FUNCT, ANGL-DSTRN'5', MOM-DSTRN'6', ANGL-DSTRN'7', ANGL-DSTRN'8'); /* '5' dsigma/db (b=impact parameter. b is related to the scattering angle theta of the c.m. of 10Be+n system as b=a cot (theta/2), where a represents half the distance of closest approach in the classical Coulomb head-on collision) */ /* '6' Mean values of longitudinal momentum distributions */ /* '7' dsigma/dphi (azimuthal angular distibution of 10Be in 11Be rest frame) */ /* '8' dsigma/dcos(theta) (polar angular distibution of 10Be in 11Be rest frame) */ \\EXP,1[8; /* 2005-09-13 : Converted, Sr + On. Converted to EXFOR E1573 */ /* 2005-10-18 : Altered, Ah + Sr. Re-digitized */ CHM=ELM; PHYS-FORM=SLD; ACC=PRJFS'9'; /* '9' 11Be is provided by using a projectile fragmentation of 100A MeV 18O */ INST-ACC=2JPNIPC'10'; /* '10' RIPS */ INC-ENGY-LAB=72.0MEV/A; ERS-PRJ=0.2MEV/A'11'; /* '11' FWHM */ DET-PARTCL=(N,10BE); COINC=(N,10BE); ANT-COINC=NO; DET-SYS=(MAG'12',SCT'12',X'13',SCT'14',EDE'15',TOF'16'); /* '12' To detect 10Be */ /* '13' Drift chamber (To detect 10Be) */ /* '14' To detect neutron */ /* '15' To identify 10Be */ /* '16' To determine momentum vector of 10Be and neutron */ ERS-DET=XKEV'17'; /* '17' Energy resolution is proportional to square root of relative energy between 10Be and neutron. 450 keV FWHM is estimated at 1 MeV (relative energy). */ /* Experimental Method: - Particle identification by 'E/Delta E' measurement (To identify 10Be) - Time-of-flight (To determine momentum vector of 10Be and neutron) */ \\EXP,1; RCT=PB(11BE,11BE)PB; RTY=INEL-SCATT; PHQ=ENGY-SPEC; THK-TGT=104MG/CM**2; \\DATA,1; INC-ENGY-LAB=72.0MEV/A; SYS-ERR=[20%'18'; /* '18' Total systematic error. Uncertainty in the absolute normalization (mainly coming from uncertainties in neutron detection efficiency) */ EMT-2=N; \DATA; EXC-ENGY-EMT DSIGMA/DE DELTA-DSIGMA/DE'19' (MEV) (B/MEV) (B/MEV) 5.560E-02 6.831E-01 +-1.752E-01 1.577E-01 1.546E+00 +-2.234E-01 2.621E-01 1.837E+00 +-2.565E-01 3.634E-01 1.724E+00 +-2.684E-01 4.655E-01 1.609E+00 +-2.686E-01 5.676E-01 1.426E+00 +-2.612E-01 7.119E-01 1.121E+00 +-1.947E-01 9.151E-01 1.058E+00 +-1.814E-01 1.108E+00 9.117E-01 +-1.879E-01 1.306E+00 6.756E-01 +-1.998E-01 1.501E+00 2.883E-01 +-2.160E-01 1.807E+00 4.268E-01 +-1.529E-01 2.207E+00 1.301E-01 +-1.462E-01 2.607E+00 1.653E-01 +-1.573E-01 3.000E+00 -1.760E-01 +-1.718E-01 3.500E+00 -6.344E-02 +-1.298E-01 \END; /* Data scanned from Fig.1(a), p298 in reference */ /* '19' Statistical error */ \\EXP,2; RCT=12C(11BE,11BE)12C; RTY=INEL-SCATT; PHQ=ENGY-SPEC; THK-TGT=184MG/CM**2; \\DATA,2; INC-ENGY-LAB=72.0MEV/A; SYS-ERR=[20%'20'; /* '20' Total systematic error. Uncertainty in the absolute normalization (mainly coming from uncertainties in neutron detection efficiency) */ EMT-2=N; \DATA; EXC-ENGY-EMT DSIGMA/DE (MEV) (B/MEV) 5.095E-02 1.449E-02 1.459E-01 3.532E-02 2.495E-01 3.603E-02 3.531E-01 4.079E-02 4.524E-01 3.341E-02 5.517E-01 3.410E-02 6.985E-01 2.706E-02 9.014E-01 5.267E-02 1.100E+00 6.212E-02 1.299E+00 3.931E-02 1.497E+00 5.279E-02 1.804E+00 3.073E-02 2.210E+00 4.162E-02 2.607E+00 3.229E-02 3.004E+00 2.296E-02 3.500E+00 2.642E-02 \END; /* Data scanned from Fig.1(a), p298 in reference */ \\EXP,3; RCT=(PB(11BE,11BE)PB, 12C(11BE,11BE)12C); RTY=(INEL-SCATT,X'21'); /* '21' Coulomb breakup reaction */ PHQ=STRGTH-FUNCT; THK-TGT=XMG/CM**2'22'; /* '22' 104 mg/cm**2 for Pb target, 184 mg/cm**2 for C target */ ANL=X'23'; /* '23' Direct breakup model */ /* Analysis: - Coulomb part of the dissociation on Pb is obtained by subtraction the nuclear contribution from the original spectrum. Cross section for C target is used to estimate the nuclear contribution. - Equivalent photon method [C.A. Bertulani and G. Banr, Phys. Rep. 163 (1988) 299.] */ \\DATA,3; INC-ENGY-LAB=72.0MEV/A; SYS-ERR=[20%'24'; /* '24' Total systematic error. Uncertainty in the absolute normalization (mainly coming from uncertainties in neutron detection efficiency) */ EMT-2=N; \DATA; EXC-ENGY-EMT BE-L'25' DELTA-BE-L'25,26' (MEV) (UNIT) (UNIT) 5.452E-01 2.996E-01 +-8.126E-02 6.592E-01 7.202E-01 +-1.308E-01 7.618E-01 9.108E-01 +-1.308E-01 8.610E-01 9.091E-01 +-1.427E-01 9.603E-01 9.014E-01 +-1.546E-01 1.064E+00 8.442E-01 +-1.546E-01 1.213E+00 7.158E-01 +-1.269E-01 1.412E+00 7.124E-01 +-1.308E-01 1.611E+00 6.535E-01 +-1.487E-01 1.806E+00 5.390E-01 +-1.789E-01 1.997E+00 1.966E-01 +-2.064E-01 2.310E+00 4.183E-01 +-1.633E-01 2.706E+00 8.928E-02 +-1.847E-01 3.104E+00 1.734E-01 +-2.345E-01 3.504E+00 8.450E-03 +-2.816E-01 3.999E+00 8.077E-03 +-2.628E-01 \END; /* Data scanned from Fig.1(b), p298 in reference */ /* '25' dB(E1)/dE (dipole strength distribtuion) [e**2fm**2] */ /* '26' Statistical error */ \\EXP,4; RCT=PB(11BE,11BE)PB; RTY=INEL-SCATT; PHQ=ANGL-DSTRN'27'; /* '27' dsigma/db (b=impact parameter. b is related to the scattering angle theta of the c.m. of 10Be+n system as b=a cot (theta/2), where a represents half the distance of closest approach in the classical Coulomb head-on collision) */ THK-TGT=104MG/CM**2; ANL=X'28'; /* '28' Direct breakup model */ \\DATA,4; INC-ENGY-LAB=72.0MEV/A; SYS-ERR=[20%'29'; /* '29' Total systematic error. Uncertainty in the absolute normalization (mainly coming from uncertainties in neutron detection efficiency) */ EMT-2=N; \DATA; DATA1'30' DATA2'31' DELTA-DATA2'31,32' (FM) (UNIT) (UNIT) 7.551E+00 1.510E+01 +-3.890E+01 1.048E+01 1.386E+01 +-2.593E+01 1.341E+01 6.868E+01 +-2.507E+01 1.650E+01 7.899E+01 +-1.849E+01 1.948E+01 7.764E+01 +-1.667E+01 2.248E+01 9.640E+01 +-1.539E+01 2.550E+01 4.109E+01 +-1.635E+01 2.845E+01 3.917E+01 +-1.427E+01 3.148E+01 4.267E+01 +-1.394E+01 3.443E+01 2.907E+01 +-1.411E+01 3.755E+01 1.785E+01 +-1.363E+01 4.055E+01 3.136E+00 +-1.372E+01 4.361E+01 1.065E+01 +-1.154E+01 4.661E+01 2.212E+01 +-1.082E+01 4.972E+01 1.216E+01 +-1.085E+01 5.260E+01 1.466E+01 +-1.010E+01 5.570E+01 1.771E+01 +-1.010E+01 5.866E+01 2.195E+01 +-8.892E+00 6.151E+01 1.182E+01 +-7.291E+00 6.454E+01 2.237E+01 +-8.401E+00 6.755E+01 2.759E+00 +-7.469E+00 7.060E+01 3.140E+00 +-6.574E+00 7.355E+01 4.426E+00 +-7.536E+00 7.665E+01 7.636E+00 +-5.772E+00 7.968E+01 5.846E-01 +-5.451E+00 8.269E+01 1.886E+00 +-7.647E+00 9.177E+01 7.812E+00 +-5.131E+00 9.464E+01 3.487E+00 +-5.131E+00 9.767E+01 4.392E+00 +-4.446E+00 \END; /* Data scanned from Fig.1(c), p298 in reference */ /* '30' Impact parameter b. b is related to the scattering angle theta of the c.m. of 10Be+n system as b=a cot (theta/2), where a represents half the distance of closest approach in the classical Coulomb head-on collision */ /* '31' dsigma/b [mb/fm] */ /* '32' Statistical error */ \\EXP,5; RCT=PB(11BE,N,10BE)PB; PHQ=MOM-DSTRN'33'; /* '33' Mean values of longitudinal momentum distributions */ THK-TGT=104MG/CM**2; ANL=X'34'; /* '34' First-order perturbation theory */ \\DATA,5; INC-ENGY-LAB=72.0MEV/A; EMT-2=N; INTRM=11BE; \DATA; THTL-INTRM'35' MOM-LNGTD'36' DELTA-DATA1'37' (DEG) (MEV/C) (MEV/C) 4.991E-01 -6.097E-01 +-1.198E+00 1.495E+00 2.453E+00 +-1.363E+00 2.500E+00 4.359E+00 +-3.056E+00 \END; /* Data scanned from Fig.2, p300 in reference */ /* '35' Scattering angle theta of the c.m. of 10Be+n system */ /* '36' Mean values of longitudinal momentum of 10Be in the rest frame of incident 11Be */ /* '37' Error in mean values of longitudinal momentum of 10Be (Statistical error) */ \\EXP,6; RCT=PB(11BE,N,10BE)PB; PHQ=MOM-DSTRN'38'; /* '38' Mean values of longitudinal momentum distributions */ THK-TGT=104MG/CM**2; ANL=X'39'; /* '39' First-order perturbation theory */ \\DATA,6; INC-ENGY-LAB=72.0MEV/A; EMT-2=N; INTRM=11BE; \DATA; THTL-INTRM'40' MOM-LNGTD'41' DELTA-DATA1'42' (DEG) (MEV/C) (MEV/C) 4.980E-01 -9.367E-01 +-9.429E-01 1.492E+00 -3.611E+00 +-1.162E+00 2.496E+00 -8.602E+00 +-1.966E+00 \END; /* Data scanned from Fig.2, p300 in reference */ /* '40' Scattering angle theta of the c.m. of 10Be+n system */ /* '41' Mean values of longitudinal momentum of neutron in the rest frame of incident 11Be */ /* '42' Error in mean values of longitudinal momentum of neutron (Statistical error) */ \\EXP,7; RCT=PB(11BE,N,10BE)PB; PHQ=ANGL-DSTRN'43'; /* '43' dsigma/dphi (azimuthal angular distibution of 10Be in 11Be rest frame) */ THK-TGT=104MG/CM**2; ANL=X'44'; /* '44' First-order time-dependent perturbation theory */ \\DATA,7; INC-ENGY-LAB=72.0MEV/A; EMT-2=N; INTRM=11BE; EXC-ENGY-INTRM-MAX=4MEV'45'; /* '45' Relative energy between 10Be and neutron */ \DATA; DATA1'46' DATA2'47' DELTA-DATA2'47,48' (DEG) (UNIT) (UNIT) 8.770E+00 2.424E-01 +-5.498E-02 2.571E+01 1.793E-01 +-5.778E-02 4.265E+01 3.135E-01 +-5.812E-02 5.959E+01 3.532E-01 +-6.155E-02 7.726E+01 4.370E-01 +-6.751E-02 9.429E+01 4.251E-01 +-6.693E-02 1.117E+02 4.651E-01 +-6.337E-02 1.286E+02 2.483E-01 +-5.778E-02 1.458E+02 1.647E-01 +-5.964E-02 1.635E+02 1.556E-01 +-5.509E-02 1.814E+02 1.588E-01 +-5.964E-02 1.977E+02 3.070E-01 +-6.553E-02 2.150E+02 2.116E-01 +-6.989E-02 2.321E+02 3.239E-01 +-8.098E-02 2.490E+02 2.626E-01 +-1.016E-01 2.663E+02 4.648E-01 +-1.121E-01 2.826E+02 3.596E-01 +-1.012E-01 3.002E+02 4.944E-01 +-8.591E-02 3.172E+02 3.281E-01 +-7.827E-02 3.347E+02 3.033E-01 +-6.243E-02 3.522E+02 2.309E-01 +-5.497E-02 \END; /* Data scanned from Fig.3(a), p300 in reference */ /* '46' Scattering angle phi of 10Be in 11Be rest frame */ /* '47' dsigma/dphi [b/rad] */ /* '48' Statistical error */ \\EXP,8; RCT=PB(11BE,N,10BE)PB; PHQ=ANGL-DSTRN'49'; /* '49' dsigma/dcos(theta) (polar angular distibution of 10Be in 11Be rest frame) */ THK-TGT=104MG/CM**2; ANL=X'50'; /* '50' First-order time-dependent perturbation theory */ \\DATA,8; INC-ENGY-LAB=72.0MEV/A; EMT-2=N; INTRM=11BE; EXC-ENGY-INTRM-MAX=4MEV'51'; /* '51' Relative energy between 10Be and neutron */ \DATA; COS-CM'52' DATA1'53' DELTA-DATA1'53,54' (NODIM) (B) (B) -9.521E-01 8.147E-01 +-1.723E-01 -8.541E-01 6.946E-01 +-1.811E-01 -7.628E-01 9.050E-01 +-1.764E-01 -6.673E-01 8.867E-01 +-1.978E-01 -5.710E-01 5.895E-01 +-2.145E-01 -4.761E-01 8.333E-01 +-2.264E-01 -3.823E-01 7.744E-01 +-2.431E-01 -2.879E-01 1.176E+00 +-2.336E-01 -1.920E-01 1.038E+00 +-2.574E-01 -9.435E-02 1.568E+00 +-2.645E-01 3.409E-03 1.397E+00 +-2.717E-01 9.640E-02 9.949E-01 +-2.526E-01 1.935E-01 1.065E+00 +-2.693E-01 2.882E-01 1.375E+00 +-2.550E-01 3.797E-01 8.231E-01 +-2.717E-01 4.727E-01 1.084E+00 +-2.359E-01 5.691E-01 7.673E-01 +-2.359E-01 6.638E-01 1.071E+00 +-2.073E-01 7.621E-01 6.806E-01 +-2.097E-01 8.567E-01 1.029E+00 +-1.954E-01 9.517E-01 1.192E+00 +-1.883E-01 \END; /* Data scanned from Fig.3(b), p300 in reference */ /* '52' Cosine of scattering angle theta of 10Be in 11Be rest frame */ /* '53' dsigma/dcos(theta) */ /* '54' Statistical error */ \\END;