ENTRY 41602 20141201 41664160200000001 SUBENT 41602001 20141201 41664160200100001 BIB 15 41 4160200100002 INSTITUTE (4ZZZDUB) 4160200100003 REFERENCE (J,FCY/L,11,(2/186),186,2014) 4160200100004 (J,PPN/L,11,101,2014) Engl.translation of FCY/L,11,186.4160200100005 #doi:10.1134/S1547477114020289 4160200100006 AUTHOR (Yu.A.Troyan,M.Kh.Anikina,A.V.Belyaev,A.P.Ierusalimov, 4160200100007 A.Yu.Troyan) 4160200100008 TITLE Elastic n p -> n p (p n) -scattering at intermediate 4160200100009 energies. 4160200100010 REL-REF (I,,A.V.Belogonov+,J,NIM,20,114,1963) 4160200100011 A Liquid Hydrogen Bubble Chamber details. 4160200100012 (I,,A.P.Gasparyan+,J,PTE,,(2),27,1977) 4160200100013 Details of facility. 4160200100014 (M,,K.Beshliu+,J,YF,43,(4),888,1986) 4160200100015 FACILITY (SYNCH,4ZZZDUB) 4160200100016 INC-SOURCE Neutron beam was produced by stripping of deuterons4160200100017 on 1cm Al target placed inside vacuum chamber. 4160200100018 Neutrons outgoing at 0 deg angle relative to deuteron 4160200100019 beam were cleared from charged particles and gammas. 4160200100020 Set of collimators was used. 4160200100021 In HBC - neutron beam parameters : 4160200100022 impulse resolution 2.5 %, 4160200100023 solid angle 10**-7 sr. 4160200100024 INC-SPECT Quasi-monochromatic neutrons. 4160200100025 SAMPLE Hydrogen bubble chamber - HBC. 4160200100026 METHOD Accuracy of track impulse measurement in HBC - 2-3 %, 4160200100027 accuracy of angle measurement 0.5 deg. 4160200100028 DETECTOR (BUBLC) 1 m hydrogen bubble chamber placed at about 4160200100029 130 m from Al target. 4160200100030 Registration of particles in 4PI geometry. 4160200100031 ANALYSIS Processes of elastic np-scattering, both without 4160200100032 (cos(ANGLEp) < 0) and with charge-exchange 4160200100033 (cos(ANGLEp) > 0) of nucleons, are analyzed, 4160200100034 where ANGLEp - angle of outer secondary proton in 4160200100035 C.M. system. 4160200100036 CORRECTION For loses of counts for slow protons . 4160200100037 ADD-RES (THEO) The suggested pole model includes exchange by 4160200100038 PI-meson, RHO-meson and in addition allows for the 4160200100039 peripheral exchange mechanism. This model permits one 4160200100040 to get a good description of the data of elastic 4160200100041 np-scattering at the energy region 1-10 GeV. 4160200100042 HISTORY (20141201C) M.M. 4160200100043 ENDBIB 41 0 4160200100044 NOCOMMON 0 0 4160200100045 ENDSUBENT 44 0 4160200199999 SUBENT 41602002 20141201 41664160200200001 BIB 6 11 4160200200002 REACTION (1-H-1(N,EL)1-H-1,,SIG) 4160200200003 ANALYSIS Elastic cross section was defined as : 4160200200004 SIGel=(Nel/Ntot)*SIGtop, where 4160200200005 Nel - number of elastic events 4160200200006 Ntot - total number of one-prong stars (on films), 4160200200007 both - after corrections. 4160200200008 MONITOR (1-H-1(N,TOT),,SIG,,MSC) 4160200200009 Topological cross section 4160200200010 MONIT-REF (41603001,A.Abdivaliev+,J,NP/B,99,(3),445,1975) 4160200200011 ERR-ANALYS (DATA-ERR) Not specified. 4160200200012 STATUS (TABLE) Table on page 191 of FCY/L,11,(2/186),186,2014.4160200200013 ENDBIB 11 0 4160200200014 NOCOMMON 0 0 4160200200015 DATA 3 3 4160200200016 MOM DATA DATA-ERR 4160200200017 GEV/C MB MB 4160200200018 1.43 25.6 1.3 4160200200019 2.23 19.1 0.7 4160200200020 5.20 10.7 0.7 4160200200021 ENDDATA 5 0 4160200200022 ENDSUBENT 21 0 4160200299999 SUBENT 41602003 20141201 41664160200300001 BIB 6 19 4160200300002 REACTION 1(1-H-1(N,EL)1-H-1,,SIG,,MSC) 4160200300003 Elastic cross section with charge-exchange 4160200300004 (cos(ANGLEp)>0) 4160200300005 2(1-H-1(N,EL)1-H-1,,SIG,,MSC) 4160200300006 Elastic cross section without charge-exchange 4160200300007 (cos(ANGLEp)<0) 4160200300008 ANALYSIS 1 Elastic cross section with charge-exchanged was 4160200300009 defined as : SIGex=(Nex/Nel)*SIGel, where 4160200300010 Nel - number of elastic events 4160200300011 Nex - number of elastic events, when secondary proton 4160200300012 was scattered in forward semi-sphere; 4160200300013 SIGel - elastic cross section - Subent 002. 4160200300014 2 Elastic cross section without charge-exchanged was 4160200300015 defined as SIGel-SIGex . 4160200300016 MONITOR 1(1-H-1(N,EL)1-H-1,,SIG) 4160200300017 MONIT-REF 1(41602002,Yu.A.Troyan+,J,FCY/L,11,(2/186),186,2014) 4160200300018 Subent 002 of this Entry. 4160200300019 ERR-ANALYS (DATA-ERR) Not specified. 4160200300020 STATUS (TABLE) Table on page 191 of FCY/L,11,(2/186),186,2014.4160200300021 ENDBIB 19 0 4160200300022 NOCOMMON 0 0 4160200300023 DATA 5 3 4160200300024 MOM DATA 1DATA-ERR 1DATA 2DATA-ERR 2 4160200300025 GEV/C MB MB MB MB 4160200300026 1.43 7.9 0.8 17.7 0.9 4160200300027 2.23 4.5 0.5 14.6 0.6 4160200300028 5.20 0.9 0.5 9.8 0.5 4160200300029 ENDDATA 5 0 4160200300030 ENDSUBENT 29 0 4160200399999 ENDENTRY 3 0 4160299999999