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 /* NRDF D1573 Data No.3                                              */
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 /* Bibliography                                                      */
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 \\BIB,3;
 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) */
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 /* Experimental Conditions                                           */
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 \\EXP,3;
 /* 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)
 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.]
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 /* Descriptive Parameters                                            */
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 \\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;
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 /* Data Table                                                        */
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 \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;
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