/*===================================================================*/ /* NRDF D2000 Data No.23 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,23; D#=D2000; TITLE=/ Absorption and forward scattering of antiprotons by C, Al, and Cu nuclei in the region 470-880 MeV/c /; ATH=(K.NAKAMURA'1', J.CHIBA'1', T.FUJII'1', H.IWASAKI'1', T.KAGEYAMA'1', S.KURIBAYASHI'1', T.SUMIYOSHI'1', T.TAKEDA'1', H.IKEDA'2', Y.TAKADA'3'); INST-ATH=(2JPNTOK'1', 2JPNKEK'2', 2JPNTSU'3'); /* '1' Department of Physics */ /* '3' Institute of Applied Physics */ REF=PRL; VLP=52(1984)731; RCTS=(C(ANTIP,X)X, 27AL(ANTIP,X)X, CU(ANTIP,X)X, C(ANTIP,ANTIP)C, 27AL(ANTIP,ANTIP)27AL, CU(ANTIP,ANTIP)CU); PHQS=(XSECTN, ANGL-DSTRN, OPT-POTL-PARA); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,23; /* 2006-11-08 : Recieved, On. Received from K.Nakamura */ /* 2006-11-23 : Compiled, On */ CHM=ELM; PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; ACC=SYN; INST-ACC=2JPNKEK; DELTA-INC-MOM-LAB=0.5%; ERS-PRJ=2.5%; POL-PRJ=0%; DET-PARTCL=ANTIP; COINC=NO; ANT-COINC=NO; DET-SYS=(MWPC'4',SCT'5'); /* '4' To measure trajectories of charged particles */ /* '5' To detect charged particles */ SOLID-ANGL=XMSR'6'; /* '6' Geometrical acceptance of detector system was 100% up to theta=20 deg and decreased to about 90% at theta=25 deg. */ ANL=OPT-MODEL'7'; /* '7' Code ELAST2 */ RCT=27AL(ANTIP,ANTIP)27AL; RTY=ELA-SCATT; PHQ=OPT-POTL-PARA; THK-TGT=1638+-5MG/CM**2; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,23; DELTA-INC-MOM-LAB=0.5%; POTL-FORM=/ -V*f(X,Rr,Ar) -i*W*f(X,Riv,Aiv) : f(X,R,A)=1/(1+exp((X-R*A**(1/3))/A) /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; V RR AR WV RIV AIV (MEV) (FM) (FM) (MEV) (FM) (FM) 30 1.3 0.52 115 1.1 0.52 \END; /*===================================================================*/ |