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 /* NRDF D1978 Data No.22                                             */
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 /* Bibliography                                                      */
 /*===================================================================*/
 \\BIB,22;
 D#=D1978;
 TITLE=/ Secondary neutron-production cross sections from heavy-ion
         interactions in composite targets /;
 PURPOSE=/ To present neutron-production cross sections from two
           specialized NASA targets /;
 ATH=(L.HEILBRONN'1', Y.IWATA'2', H.IWASE'3', T.MURAKAMI'2', H.SATO'3',
      T.NAKAMURA'3', R.M.RONNINGEN'4', K.IEKI'5', I.GUDOWSKA'6',
      N.SOBOLEVSKY'7');
 INST-ATH=(1USABRK'1', 2JPNIRS'2', 2JPNTOH'3', 1USAMSU'4', 2JPNRIK'5',
           2SWDUST'6', 4RUSJIA'7');
      /* '2' Department of Accelerator Physics and Engineering */
      /* '3' Cyclotron and Radioisotope Center */
      /* '4' National Superconducting Cyclotron Laboratory */
      /* '5' Department of Physics */
      /* '6' Department of Medical Radiation Physics */
      /* '7' Department of Neutron Research */
 REF=PR/C;
 VLP=73(2006)024603;
 RCTS=(MXTR(12C,N)X, MXTR(20NE,N)X);
 PHQS=(DBL-DIFF-XSECTN, ANGL-DSTRN, XSECTN);
 /*===================================================================*/
 /* Experimental Conditions                                           */
 /*===================================================================*/
 \\EXP,22;
 /* 2006-03-10 : Recieved, N.Otuka. Received by e-mail from
    L.Heilbronn */
 /* 2006-03-13 : Compiled, C.Kurokawa + N.Otuka */
 PHYS-FORM=SLD;
 POL-TGT=0%;
 ALGN-TGT=0%;
 ACC=SYN;
 INST-ACC=2JPNIRS'8';
 /* '8' HIMAC facility */
 POL-PRJ=0%;
 DET-PARTCL=N;
 COINC=NO;
 ANT-COINC=NO;
 DET-SYS=(SCT'9',SCT'10',TOF'11');
 /* '9' Liquid scintillators (NE213) for neutron detection */
 /* '10' Solid plastic scintillators (NE102A) as TOF counter and
         as veto detector (to exclude charged-particle) */
 /* '11' Flight path of 306 to 506 cm */
 ANL=(MONTE-MTHD'12',MONTE-MTHD'13');
 /* '12' Code SHIELD-HIT */
 /* '13' Code PHITS */
 /* Corrections for neutron flux attenuation in target and other
    intervening materials and for neutron production in nontarget
    materials near target position */
 /* Coded incident energy gives median projectile energy in target.
    Coded energy resolution gives the difference of initial projectile
    energy and median projectile energy. */
 RCT=MXTR(12C,N)X;
 PHQ=ANGL-DSTRN;
 CHM=X'84';
 /* '84' 85% simulated Martian regolith (1.67e+22, 1.62e+21,
         5.83e+21, 7.81e+20 and 1.80e+21 atoms/g for O, Mg, Si, Ca and
         Fe) + 15% polyethylene */
 THK-TGT=5000MG/CM**2;
 INC-ENGY-LAB-RANGE=265MEV/A;
 ERS-PRJ=25MEV/A;
 /* Analysis:
    - Integration of energy distribution (Integration of
      double-differential spectra over neutron energies greater than 3
      MeV)
 /*===================================================================*/
 /* Descriptive Parameters                                            */
 /*===================================================================*/
 \\DATA,22;
 INC-ENGY-LAB=265MEV/A;
 SYS-ERR=X%'85';
 /* '85' Total systematic error. Systematic uncertainties in
         angular acceptance and efficiency of detectors,
         charge-integrating analog-to-digital converter (QDC), and
         correction procedures considered */
 ENGY-EMT-LAB=>3MEV;
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 /* Data Table                                                        */
 /*===================================================================*/
 \DATA;
 THTL DSIGMA/DOMEGA'86' DELTA-DSIGMA/DOMEGA'86,87'
 (DEG) (B/SR) (B/SR)
 5 9.52 +-2.08
 10 3.8 +-0.83
 20 1.24 +-0.27
 30 0.87 +-0.2
 40 0.73 +-0.17
 60 0.45 +-0.1
 80 0.28 +-0.07
 \END;
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