/*===================================================================*/ /* NRDF D1815 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D1815; TITLE=/Experimental evidence for the existence of 7H and for a specific structure of 8He/; ATH=(A.A.KORSHENINNIKOV'1', E.YU.NIKOLSKII'1', E.A.KUZMIN'1', A.OZAWA'1', K.MORIMOTO'1', F.TOKANAI'1', R.KANUNGO'1', I.TANIHATA'1', N.K.TIMOFEYUK'2', M.S.GOLOVKOV'3', A.S.FOMICHEV'3', A.M.RODIN'3', M.L.CHELNOKOV'3', G.M.TER-AKOPIAN'3', W.MITTIG'4', P.ROUSSEL-CHOMAZ'4', H.SAVAJOLS'4', E.POLLACCO'5', A.A.OGLOBLIN'6', M.V.ZHUKOV'7'); INST-ATH=(2JPNIPC'1', 2UK SUR'2', 4ZZZDUB'3', 2FR GAN'4', 2FR SAC'5', 4RUSKUR'6', 2SWDCTH'7'); /* '5' DAPNIA-SPhN */ REF=PRL; VLP=90(2003)082501; RCTS=(P(8HE,2*P)7H, P(8HE,T)6HE); PHQS=(ENGY-SPEC, ANGL-DSTRN); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2003-09-04 : Compiled */ RTY=STRP; CHM=ELM; PHYS-FORM=GAS'8'; /* '8' Temperature of 35 K and pressure of 10 atm */ THK-TGT=XMG/CM**2'9'; /* '9' 6*10**21 protons/cm2 */ POL-TGT=0%; ALGN-TGT=0%; ACC=PRJFS'10'; /* '10' Secondary beam of 8He produced by the fragment separator RIPS from fragmentation of a primary beam of 18O. */ INST-ACC=2JPNIPC; INC-ENGY-LAB=61.3MEV/A; ERS-PRJ=2.6MEV/A; BEAM-INTNSTY=[300000PPS; POL-PRJ=0%; ANT-COINC=NO; DET-SYS=SI'11'; /* '11' Stack of Si strip detectors(RIKEN telescope), which allows one to detect serveral particles in coincidence, to identify each partilcle, and to measure its energy and angles RCT=P(8HE,T)6HE; PHQ=ANGL-DSTRN; DET-PARTCL=(T,ALPHA); COINC=(T,ALPHA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; INC-ENGY-LAB=61.3MEV/A; EMT-1=T; RSD=6HE; EXC-ENGY=1.8MEV; J-PTY=2+; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 7.900 1.007 +-0.194 8.900 1.003 +-0.134 9.900 1.135 +-0.110 10.900 1.233 +-0.102 12.000 1.213 +-0.095 13.000 1.197 +-0.091 14.100 1.150 +-0.087 15.300 1.058 +-0.081 16.400 1.036 +-0.081 17.600 0.767 +-0.070 18.900 0.614 +-0.085 \END; /*===================================================================*/ |