ENTRY 20806 20230130 2080600000001 SUBENT 20806001 20230130 20231011 2080600100001 BIB 15 54 2080600100002 TITLE Small-angle elastic scattering of 2.5MeV neutrons 2080600100003 AUTHOR (V.Giordano,C.Manduchi,M.T.Russo-manduchi, 2080600100004 G.F.Segato) 2080600100005 INSTITUTE (2ITYUPV,2ITYPAD) 2080600100006 REFERENCE (J,NP/A,302,83,1978) Compared with electromagnetic 2080600100007 and optical models. 2080600100008 (J,NIM,135,483,1976) Detector description; prelim. 2080600100009 results for Bi. 2080600100010 FACILITY (VDG,2ITYPAD) LNL 7.5MeV Van de Graaff. Pulsed mode 2080600100011 INC-SOURCE (P-LI7) Neutrons at 45degrees to the proton 2080600100012 beam following 7-Li(p,n) reaction. Neutrons 2080600100013 passed through a 62cm polyethylene collimator. 2080600100014 Horizontal angular divergence of about 1.3 degr. 2080600100015 for the neutron beam. Proton pulses less than 1.5 ns. 2080600100016 (POLNS) The initial polarization of the neutron beam 2080600100017 emitted at 45 degr. in the 7-Li(p,n)7-Be reaction 2080600100018 is assumed to be 24% (see REL-REF). 2080600100019 REL-REF (N,,S.T.Thornton+,J,NP/A,169,131,1971) 2080600100020 SAMPLE Cylinder oriented with the axis parallel to 2080600100021 the neutron beam direction. Thickness chosen to 2080600100022 give a transmission of about 0.5. 2080600100023 METHOD (TOF) Pulsed mode with time discrimination to 2080600100024 correct for random background,and pulse shape 2080600100025 discrimination to reduce gamma contamination. 2080600100026 DETECTOR (PS) Position-sensitive spectrometer. NE213 liquid 2080600100027 scintillator encapsulated in a glass cylinder, 2080600100028 80 cm in length and 30.8 mm in diameter. 2080600100029 Both ends in optical contact with XP2020 2080600100030 photomultipliers. The detector was mounted 2080600100031 symmetrically with respect to the neutron beam 2080600100032 in the horizontal plane. 2080600100033 (SCIN) A stilbene scintillator at 400 cm from the 2080600100034 neutron source was used to monitor the neutron 2080600100035 intensity, and also to measure the total cross 2080600100036 sections of the sample materials. 2080600100037 COMMENT Differential cross sections are compared with 2080600100038 results of optical model calculations. Nuclear 2080600100039 and Schwinger interactions are both shown to 2080600100040 be important. 2080600100041 Scattering cross sections are relative to the 2080600100042 neutron flux monitored in transmission. 2080600100043 CORRECTION Differential data are corrected for multiple 2080600100044 scattering and effects of finite geometry. For the 2080600100045 total cross sections the in scattering corrections 2080600100046 are negligible. 2080600100047 Polarisation measurements are corrected for 2080600100048 effects of the spatial extension of the detectors 2080600100049 and multiple scattering. 2080600100050 ERR-ANALYS (ERR-S) Errors are given as standard deviations and 2080600100051 are based on counting statistics. 2080600100052 STATUS (TABLE) table 1 from Nucl.Phys.,A302(1978) 83. 2080600100053 HISTORY (19781006C) PDJ 2080600100054 (20230130A) SD:Updated to new date formats,lower case. 2080600100055 Corrections in all Subents 2080600100056 ENDBIB 54 0 2080600100057 COMMON 2 3 2080600100058 EN EN-ERR 2080600100059 MEV MEV 2080600100060 2.5 0.5 2080600100061 ENDCOMMON 3 0 2080600100062 ENDSUBENT 61 0 2080600199999 SUBENT 20806002 20230130 20231011 2080600200001 BIB 2 3 2080600200002 REACTION (49-IN-0(N,EL)49-IN-0,,DA) 2080600200003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080600200004 to Subent 001. DATA-ERR->ERR-S. 2080600200005 ENDBIB 3 0 2080600200006 COMMON 2 3 2080600200007 ANG-RSL ERR-S 2080600200008 ADEG B/SR 2080600200009 0.9 0.2 2080600200010 ENDCOMMON 3 0 2080600200011 DATA 2 5 2080600200012 ANG DATA 2080600200013 ADEG B/SR 2080600200014 2.1 2.8 2080600200015 3.5 2.7 2080600200016 5.3 2.6 2080600200017 7.2 2.7 2080600200018 9.1 2.7 2080600200019 ENDDATA 7 0 2080600200020 ENDSUBENT 19 0 2080600299999 SUBENT 20806003 20230130 20231011 2080600300001 BIB 2 4 2080600300002 REACTION (49-IN-0(N,EL)49-IN-0,,POL/DA,,ANA) 2080600300003 HISTORY (20230130A) SD: BIB and DATA updated. EN moved 2080600300004 to Subent 001. DATA-ERR->ERR-S. SF8=ANA added to 2080600300005 REACTION code. 2080600300006 ENDBIB 4 0 2080600300007 COMMON 1 3 2080600300008 ANG-RSL 2080600300009 ADEG 2080600300010 0.9 2080600300011 ENDCOMMON 3 0 2080600300012 DATA 3 5 2080600300013 ANG DATA ERR-S 2080600300014 ADEG NO-DIM NO-DIM 2080600300015 2.1 -0.72 0.10 2080600300016 3.5 -0.32 0.04 2080600300017 5.3 -0.15 0.04 2080600300018 7.2 -0.25 0.03 2080600300019 9.1 -0.09 0.02 2080600300020 ENDDATA 7 0 2080600300021 ENDSUBENT 20 0 2080600399999 SUBENT 20806004 20230130 20231011 2080600400001 BIB 2 3 2080600400002 REACTION (49-IN-0(N,TOT),,SIG) 2080600400003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080600400004 to Subent 001. DATA-ERR->ERR-S. 2080600400005 ENDBIB 3 0 2080600400006 NOCOMMON 0 0 2080600400007 DATA 2 1 2080600400008 DATA ERR-S 2080600400009 B B 2080600400010 5.08 0.04 2080600400011 ENDDATA 3 0 2080600400012 ENDSUBENT 11 0 2080600499999 SUBENT 20806005 20230130 20231011 2080600500001 BIB 4 7 2080600500002 REACTION (67-HO-165(N,EL)67-HO-165,EXL,DA) 2080600500003 CRITIQUE S.Simakov (2022-08-06): 'Possible inclusion of 2080600500004 inelastic scattering below Ex ~> 120 keV.' 2080600500005 REL-REF (C,,S.Simakov+,S,INDC(NDS)-0857,91,2022) 2080600500006 HISTORY (20230130A) SD: SF5=EXL added to REACTION code. BIB 2080600500007 BIB and DATA updated. EN moved to Subent 001. 2080600500008 DATA-ERR->ERR-S. 2080600500009 ENDBIB 7 0 2080600500010 COMMON 2 3 2080600500011 ANG-RSL ERR-S 2080600500012 ADEG B/SR 2080600500013 0.9 0.2 2080600500014 ENDCOMMON 3 0 2080600500015 DATA 2 5 2080600500016 ANG DATA 2080600500017 ADEG B/SR 2080600500018 2.1 4.0 2080600500019 3.5 3.9 2080600500020 5.3 3.8 2080600500021 7.2 3.8 2080600500022 9.1 3.6 2080600500023 ENDDATA 7 0 2080600500024 ENDSUBENT 23 0 2080600599999 SUBENT 20806006 20230130 20231011 2080600600001 BIB 2 3 2080600600002 REACTION (67-HO-165(N,EL)67-HO-165,,POL/DA,,ANA) 2080600600003 HISTORY (20230130U) SD: BIB updated. DATA-ERR->ERR-S. SF8=ANA 2080600600004 added to REACTION code. 2080600600005 ENDBIB 3 0 2080600600006 COMMON 1 3 2080600600007 ANG-RSL 2080600600008 ADEG 2080600600009 0.9 2080600600010 ENDCOMMON 3 0 2080600600011 DATA 3 5 2080600600012 ANG DATA ERR-S 2080600600013 ADEG NO-DIM NO-DIM 2080600600014 2.1 -0.40 0.06 2080600600015 3.5 -0.22 0.05 2080600600016 5.3 -0.25 0.05 2080600600017 7.2 -0.23 0.04 2080600600018 9.1 -0.30 0.05 2080600600019 ENDDATA 7 0 2080600600020 ENDSUBENT 19 0 2080600699999 SUBENT 20806007 20230130 20231011 2080600700001 BIB 2 3 2080600700002 REACTION (67-HO-165(N,TOT),,SIG) 2080600700003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080600700004 to Subent 001. DATA-ERR->ERR-S. 2080600700005 ENDBIB 3 0 2080600700006 NOCOMMON 0 0 2080600700007 DATA 2 1 2080600700008 DATA ERR-S 2080600700009 B B 2080600700010 6.45 0.05 2080600700011 ENDDATA 3 0 2080600700012 ENDSUBENT 11 0 2080600799999 SUBENT 20806008 20230130 20231011 2080600800001 BIB 2 2 2080600800002 REACTION (80-HG-0(N,EL)80-HG-0,,DA) 2080600800003 HISTORY (20230130U) SD: BIB updated. DATA-ERR->ERR-S. 2080600800004 ENDBIB 2 0 2080600800005 COMMON 1 3 2080600800006 ANG-RSL 2080600800007 ADEG 2080600800008 0.9 2080600800009 ENDCOMMON 3 0 2080600800010 DATA 3 5 2080600800011 ANG DATA ERR-S 2080600800012 ADEG B/SR B/SR 2080600800013 2.1 5.0 0.3 2080600800014 3.5 4.9 0.3 2080600800015 5.3 4.8 0.3 2080600800016 7.2 4.8 0.2 2080600800017 9.1 4.8 0.2 2080600800018 ENDDATA 7 0 2080600800019 ENDSUBENT 18 0 2080600899999 SUBENT 20806009 20230130 20231011 2080600900001 BIB 2 3 2080600900002 REACTION (80-HG-0(N,EL)80-HG-0,,POL/DA,,ANA) 2080600900003 HISTORY (20230130A) SD: BIB updated. DATA-ERR->ERR-S. SF8=ANA 2080600900004 added to REACTION code. 2080600900005 ENDBIB 3 0 2080600900006 COMMON 1 3 2080600900007 ANG-RSL 2080600900008 ADEG 2080600900009 0.9 2080600900010 ENDCOMMON 3 0 2080600900011 DATA 3 5 2080600900012 ANG DATA ERR-S 2080600900013 ADEG NO-DIM NO-DIM 2080600900014 2.1 -0.59 0.08 2080600900015 3.5 -0.28 0.06 2080600900016 5.3 -0.20 0.05 2080600900017 7.2 -0.13 0.03 2080600900018 9.1 -0.08 0.02 2080600900019 ENDDATA 7 0 2080600900020 ENDSUBENT 19 0 2080600999999 SUBENT 20806010 20230130 20231011 2080601000001 BIB 2 3 2080601000002 REACTION (80-HG-0(N,TOT),,SIG) 2080601000003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601000004 to Subent 001. DATA-ERR->ERR-S. 2080601000005 ENDBIB 3 0 2080601000006 NOCOMMON 0 0 2080601000007 DATA 2 1 2080601000008 DATA ERR-S 2080601000009 B B 2080601000010 7.13 0.03 2080601000011 ENDDATA 3 0 2080601000012 ENDSUBENT 11 0 2080601099999 SUBENT 20806011 20230130 20231011 2080601100001 BIB 2 3 2080601100002 REACTION (83-BI-209(N,EL)83-BI-209,,DA) 2080601100003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601100004 to Subent 001. DATA-ERR->ERR-S. 2080601100005 ENDBIB 3 0 2080601100006 COMMON 1 3 2080601100007 ANG-RSL 2080601100008 ADEG 2080601100009 0.9 2080601100010 ENDCOMMON 3 0 2080601100011 DATA 3 5 2080601100012 ANG DATA ERR-S 2080601100013 ADEG B/SR B/SR 2080601100014 2.1 5.1 0.3 2080601100015 3.5 5.1 0.3 2080601100016 5.3 4.7 0.3 2080601100017 7.2 4.3 0.2 2080601100018 9.1 4.3 0.2 2080601100019 ENDDATA 7 0 2080601100020 ENDSUBENT 19 0 2080601199999 SUBENT 20806012 20230130 20231011 2080601200001 BIB 2 4 2080601200002 REACTION (83-BI-209(N,EL)83-BI-209,,POL/DA,,ANA) 2080601200003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601200004 to Subent 001. DATA-ERR->ERR-S. SF8=ANA added to 2080601200005 REACTION code. 2080601200006 ENDBIB 4 0 2080601200007 COMMON 1 3 2080601200008 ANG-RSL 2080601200009 ADEG 2080601200010 0.9 2080601200011 ENDCOMMON 3 0 2080601200012 DATA 3 5 2080601200013 ANG DATA ERR-S 2080601200014 ADEG NO-DIM NO-DIM 2080601200015 2.1 -0.52 0.09 2080601200016 3.5 -0.33 0.06 2080601200017 5.3 -0.23 0.05 2080601200018 7.2 -0.18 0.04 2080601200019 9.1 -0.17 0.03 2080601200020 ENDDATA 7 0 2080601200021 ENDSUBENT 20 0 2080601299999 SUBENT 20806013 20230130 20231011 2080601300001 BIB 2 3 2080601300002 REACTION (83-BI-209(N,TOT),,SIG) 2080601300003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601300004 to Subent 001. DATA-ERR->ERR-S. 2080601300005 ENDBIB 3 0 2080601300006 NOCOMMON 0 0 2080601300007 DATA 2 1 2080601300008 DATA ERR-S 2080601300009 B B 2080601300010 7.14 0.06 2080601300011 ENDDATA 3 0 2080601300012 ENDSUBENT 11 0 2080601399999 SUBENT 20806014 20230130 20231011 2080601400001 BIB 2 3 2080601400002 REACTION (92-U-0(N,EL)92-U-0,,DA) 2080601400003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601400004 to Subent 001. DATA-ERR->ERR-S. 2080601400005 ENDBIB 3 0 2080601400006 COMMON 1 3 2080601400007 ANG-RSL 2080601400008 ADEG 2080601400009 0.9 2080601400010 ENDCOMMON 3 0 2080601400011 DATA 3 5 2080601400012 ANG DATA ERR-S 2080601400013 ADEG B/SR B/SR 2080601400014 2.1 5.9 0.3 2080601400015 3.5 5.8 0.3 2080601400016 5.3 5.5 0.3 2080601400017 7.2 5.4 0.2 2080601400018 9.1 5.3 0.2 2080601400019 ENDDATA 7 0 2080601400020 ENDSUBENT 19 0 2080601499999 SUBENT 20806015 20230130 20231011 2080601500001 BIB 2 4 2080601500002 REACTION (92-U-0(N,EL)92-U-0,,POL/DA,,ANA) 2080601500003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601500004 to Subent 001. DATA-ERR->ERR-S. SF8=ANA added to 2080601500005 REACTION code. 2080601500006 ENDBIB 4 0 2080601500007 COMMON 1 3 2080601500008 ANG-RSL 2080601500009 ADEG 2080601500010 0.9 2080601500011 ENDCOMMON 3 0 2080601500012 DATA 3 5 2080601500013 ANG DATA ERR-S 2080601500014 ADEG NO-DIM NO-DIM 2080601500015 2.1 -0.84 0.10 2080601500016 3.5 -0.40 0.06 2080601500017 5.3 -0.35 0.05 2080601500018 7.2 -0.33 0.05 2080601500019 9.1 -0.21 0.04 2080601500020 ENDDATA 7 0 2080601500021 ENDSUBENT 20 0 2080601599999 SUBENT 20806016 20230130 20231011 2080601600001 BIB 2 3 2080601600002 REACTION (92-U-0(N,TOT),,SIG) 2080601600003 HISTORY (20230130U) SD: BIB and DATA updated. EN moved 2080601600004 to Subent 001. DATA-ERR->ERR-S. 2080601600005 ENDBIB 3 0 2080601600006 NOCOMMON 0 0 2080601600007 DATA 2 1 2080601600008 DATA ERR-S 2080601600009 B B 2080601600010 7.60 0.03 2080601600011 ENDDATA 3 0 2080601600012 ENDSUBENT 11 0 2080601699999 ENDENTRY 16 0 2080699999999