/*===================================================================*/ /* NRDF D1815 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; 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,1; /* 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,2*P)7H; PHQ=ENGY-SPEC; DET-PARTCL=P; COINC=(P,P); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; INC-ENGY-LAB=61.3MEV/A; RSD=7H; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY'12' COUNTS'13' DELTA-COUNTS'13' (MEV) (ARB) (ARB) -20.25 -3.35 +-1.73 -18.75 -8.30 +-3.32 -17.25 -7.13 +-5.29 -15.75 1.74 +-7.42 -14.25 -3.08 +-8.37 -12.75 12.09 +-10.30 -11.25 -10.09 +-10.25 -9.75 1.07 +-11.70 -8.25 -10.76 +-12.04 -6.75 -17.93 +-12.49 -5.25 0.17 +-13.78 -3.75 3.09 +-14.35 -2.25 -5.66 +-14.39 -0.75 43.30 +-16.19 0.75 30.30 +-15.84 2.25 41.54 +-16.12 3.75 29.09 +-15.52 5.25 27.89 +-15.13 6.75 22.72 +-14.46 8.25 27.20 +-13.96 9.75 28.77 +-13.23 11.25 39.65 +-12.73 12.75 20.88 +-10.86 14.25 24.25 +-9.80 15.75 40.31 +-9.38 17.25 20.39 +-6.86 18.75 15.50 +-5.10 20.25 6.40 +-2.83 21.75 -1.45 +-1.00 \END; /*===================================================================*/ |