ENTRY 13616 19960904 00001361600000001 SUBENT 13616001 19960904 00001361600100001 BIB 12 36 1361600100002 INSTITUTE (1USALAS,1USANMS,1USAANL,1USATAM,1USAMTU,1USAWSU); 1361600100003 Earlham College, Richmond, IN; Univ. Wuppertal, 1361600100004 Germany 1361600100005 REFERENCE (J,PR/D,50,104,9407) 1361600100006 AUTHOR (M.BEDDO,G.BURLESON,J.A.FAUCETT,S.GARDINER,G.KYLE, 1361600100007 R.GARNETT,D.P.GROSNICK,D.HILL,K.F.JOHNSON,D.LOPIANO, 1361600100008 Y.OHASHI,T.SHIMA,H.SPINKA,R.STANEK,D.UNDERWOOD, 1361600100009 A.YOKOSAWA,G.GLASS,R.KENEFICK,S.NATH,L.NORTHCLIFF, 1361600100010 J.J.JARMER,S.PENTTILA,R.JEPPESEN,G.TRIPARD,M.DEVEREUX, 1361600100011 P.KROLL) 1361600100012 TITLE Measurements of the longitudinal spin-dependent 1361600100013 neutron-proton total cross section difference delta 1361600100014 sigma(L)(np) between 500 and 800 MeV 1361600100015 FACILITY (MESON,1USALAS) LAMPF 1361600100016 INC-SOURCE (POLNS,P-D) Longitudinally polarized protons on a 1361600100017 liquid deuterium target. Neutrons produced at 0 deg. 1361600100018 collimated and passed through magnetic fields to 1361600100019 rotate the spins to L-type in either clockwise or 1361600100020 counterclockwise direction. Spin orientations 1361600100021 reversed every few hours to reduce systematic effects 1361600100022 in cross section difference. 1361600100023 SAMPLE Polarized target, frozen propanediol beads in 1361600100024 cylindrical teflon cell, colled to about 0.5 deg.K. 1361600100025 METHOD Asymmetry measured. 1361600100026 DETECTOR (SCIN) Hodoscope consisting of 24 of scintillation 1361600100027 counters, preceded by a charged-particle veto counter.1361600100028 ERR-ANALYS (ERR-S) Normalization uncertainty includes 1361600100029 uncertainty in: 1361600100030 - target constant (6.2 and 8.2%) 1361600100031 - polarization of proton beam (1%) 1361600100032 - polarization of target (6.2%) 1361600100033 - systematic uncertainty due to finite target size (1%)1361600100034 (ERR-1) Systematic uncertainty 1361600100035 STATUS Data taken from Table 3 in reference. 1361600100036 (APRVD) Approved by G.R.Burleson, 96/9/4. 1361600100037 HISTORY (960729C) 1361600100038 ENDBIB 36 0 1361600100039 COMMON 2 3 1361600100040 POL-BM POL-TR 1361600100041 NO-DIM NO-DIM 1361600100042 0.5 0.7 1361600100043 ENDCOMMON 3 0 1361600100044 ENDSUBENT 43 0 1361600199999 SUBENT 13616002 19960729 00001361600200001 BIB 1 1 1361600200002 REACTION (1-H-1(N,EL)1-H-1,LON,SIG,,DSP) 1361600200003 ENDBIB 1 0 1361600200004 NOCOMMON 0 0 1361600200005 DATA 4 5 1361600200006 EN DATA ERR-S ERR-1 1361600200007 MEV MB MB MB 1361600200008 484. 6.07 1.14 0.56 1361600200009 568. 5.26 1.35 0.57 1361600200010 634. 2.23 1.09 0.24 1361600200011 720. 6.60 1.10 0.61 1361600200012 788. 6.65 0.64 0.67 1361600200013 ENDDATA 7 0 1361600200014 ENDSUBENT 13 0 1361600299999 ENDENTRY 2 0 1361699999999