/*===================================================================*/
 /* NRDF D1617 Data No.2                                              */
 /*===================================================================*/
 /* Bibliography                                                      */
 /*===================================================================*/
 \\BIB,2;
 D#=D1617;
 TITLE=/ Reaction p-bar + 12C to n-bar + X at 590 MeV/c /;
 PURPOSE=/ To report the first observation of antineutron production
           from a complex nucleus struck by antiproton's /;
 ATH=(K.NAKAMURA'1', T.FUJII'1', T.KAGEYAMA'1', F.SAI'1', S.SAKAMOTO'1',
      S.SATO'1', T.TAKAHASHI'1', T.TANIMORI'1', S.S.YAMAMOTO'1',
      Y.TAKADA'2');
 INST-ATH=(2JPNTOK'1', 2JPNTSU'2');
      /* '1' Department of Physics */
      /* '2' Institute of Applied Physics */
 REF=PR/C;
 VLP=31(1985)1853;
 RCTS=(12C(ANTIP,ANTIN)X, 1H(ANTIP,ANTIN)N);
 PHQS=ANGL-DSTRN;
 /*===================================================================*/
 /* Experimental Conditions                                           */
 /*===================================================================*/
 \\EXP,2;
 /* 2005-11-02 : Converted, Am + On. Converted to EXFOR E1617 */
 PHQ=ANGL-DSTRN;
 CHM=ELM;
 PHYS-FORM=SLD;
 THK-TGT=1806+-6MG/CM**2;
 POL-TGT=0%;
 ALGN-TGT=0%;
 ACC=SYN;
 INST-ACC=2JPNKEK;
 INC-MOM-LAB=590MEV/C;
 DELTA-INC-MOM-LAB=0.5%;
 ERS-PRJ=2.5%;
 BEAM-INTNSTY=80PPS;
 POL-PRJ=0%;
 DET-PARTCL=ANTIN;
 COINC=NO;
 ANT-COINC=NO;
 DET-SYS=SCT'3';
 /* '3' To detect anti-neutron */
 /* By author: anti-neutron detection efficiencies are nearly energy
    independent, i.e. observed angular distribution is considered to
    give dsigma/dOmega to a good approximation. */
 RCT=1H(ANTIP,ANTIN)N;
 /*===================================================================*/
 /* Descriptive Parameters                                            */
 /*===================================================================*/
 \\DATA,2;
 INC-MOM-LAB=590MEV/C;
 DELTA-INC-MOM-LAB=0.5%;
 SYS-ERR=8.5%'6';
 /* '6' Total systematic error */
 EMT=ANTIN;
 /*===================================================================*/
 /* Data Table                                                        */
 /*===================================================================*/
 \DATA;
 THTL DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'7'
 (DEG) (MB/SR) (MB/SR)
 2.8 15.00 +-0.30
 6.5 12.09 +-0.26
 10.2 11.67 +-0.26
 13.8 10.85 +-0.26
 17.4 10.60 +-0.26
 20.9 9.04 +-0.24
 24.4 8.84 +-0.25
 27.8 7.31 +-0.23
 31.3 5.80 +-0.21
 34.7 3.94 +-0.16
 38.8 2.81 +-0.13
 43.2 1.55 +-0.10
 48.2 0.95 +-0.07
 53.7 0.29 +-0.04
 59.6 0.15 +-0.04
 \END;
 /*===================================================================*/