ENTRY O0583 19991117 0000O058300000001 SUBENT O0583001 19991117 0000O058300100001 BIB 15 26 O058300100002 TITLE Cross Sections For Production of Be-7 from Light O058300100003 Targets by 2.2 GeV Protons. O058300100004 AUTHOR (P.L.REEDER) O058300100005 INSTITUTE (1USABNL) O058300100006 REFERENCE (J,JIN,27,1879,1965) O058300100007 HISTORY (19990923C) O058300100008 (19991003U) Last checking has been done. O058300100009 (19991117A) DATE is corrected O058300100010 DETECTOR (NAICR) A 2-In.*2-In. NaI Scintillation Crystal For O058300100011 The Gamma-Ray Spectra and 3-In.*3-In. NaI-Crystal For O058300100012 Counting Efficiency of Be-7. O058300100013 FACILITY (SYNCY,1USABNL) The Cosmotron at BNL. O058300100014 METHOD (EXTB) O058300100015 (ACTIV) O058300100016 RAD-DET (4-BE-7,DG) O058300100017 DECAY-DATA (4-BE-7,,DG,477.,0.103) O058300100018 MONITOR (13-AL-27(P,X)11-NA-24,CUM,SIG) O058300100019 Aluminium Foils Placed on the Upstream Side of the O058300100020 Targets. O058300100021 MONIT-REF (B0022003,J.B.CUMMING,J,ARN,13,261,1963) O058300100022 ERR-ANALYS (ERR-T).The Uncertainty Take in Account Estimation of O058300100023 Systematic Errors. O058300100024 (ERR-1) The Accuracy of Proton Beam Intensity. O058300100025 STATUS (TABLE) O058300100026 COMMENT - By Compiler - Berillium-7 is Shielded Niclide. It canO058300100027 Not be Produced Due to Radioactive Decay. O058300100028 ENDBIB 26 0 O058300100029 COMMON 1 3 O058300100030 ERR-1 O058300100031 PER-CENT O058300100032 3. O058300100033 ENDCOMMON 3 0 O058300100034 ENDSUBENT 33 0 O058300199999 SUBENT O0583002 19991117 0000O058300200001 BIB 6 21 O058300200002 REACTION (7-N-14(P,X)4-BE-7,,SIG) O058300200003 ERR-ANALYS The Errors on the N-14 and N-15 Cross Sections Result O058300200004 Mainly from the Large Correction For the Presence of O058300200005 Oxygen in the Targets and from a Possible Uncertainty O058300200006 In Mixing the Powder Before Taking an Aliquot. O058300200007 REL-REF (N,C0235001,M.HONDA+,J,PR,118,1618,1960) Berillium-7 O058300200008 Production by Protons with Energy 0.73 MeV For Some O058300200009 Organic Targets. R.L.Reeder Calculated Cross Section O058300200010 For Nitrogen. O058300200011 (N,C0220001,P.BENIOFF,J,PR,119,316,1960) Berillium-7 O058300200012 Production from N-14 and O-16 at 5.7 GeV. O058300200013 COMMENT - By Compiler - P.L.Reeder Quoted the Data of M.Honda+ O058300200014 For 0.73 MeV and P.Beniof For 5.7 GeV , Which were O058300200015 Corrected by Him For New Values of Na-24 Monitor CrossO058300200016 Section. O058300200017 SAMPLE The Nitrogen Target Consisted of Natural Ammonium O058300200018 Nitrate. O058300200019 FLAG (1.) The Datum of M.Honda+ Which was Corrected For New O058300200020 Monitor Cross Section. O058300200021 (2.) The Datum of P.Beniof, Which was Corrected by P.L.O058300200022 Reeder For New Monitor Cross Section. O058300200023 ENDBIB 21 0 O058300200024 NOCOMMON 0 0 O058300200025 DATA 4 3 O058300200026 EN DATA ERR-T FLAG O058300200027 GEV MB MB NO-DIM O058300200028 0.73 11.7 0.9 1. O058300200029 2.2 8.6 0.8 O058300200030 5.7 12.4 0.7 2. O058300200031 ENDDATA 5 0 O058300200032 ENDSUBENT 31 0 O058300299999 SUBENT O0583003 19991117 0000O058300300001 BIB 3 7 O058300300002 REACTION (7-N-15(P,X)4-BE-7,,SIG) O058300300003 ERR-ANALYS The Errors on the N-14 and N-15 Cross Sections Result O058300300004 Mainly from the Large Correction For the Presence of O058300300005 Oxygen in the Targets and from a Possible Uncertainty O058300300006 In Mixing the Powder Before Taking an Aliquot. O058300300007 SAMPLE The Nitrogen Target Consisted of Ammonium Nitrate O058300300008 Enriched to 99.3% N-15. O058300300009 ENDBIB 7 0 O058300300010 NOCOMMON 0 0 O058300300011 DATA 3 1 O058300300012 EN DATA ERR-T O058300300013 GEV MB MB O058300300014 2.2 5.4 0.5 O058300300015 ENDDATA 3 0 O058300300016 ENDSUBENT 15 0 O058300399999 SUBENT O0583004 19991117 0000O058300400001 BIB 5 16 O058300400002 REACTION (8-O-16(P,X)4-BE-7,,SIG) O058300400003 REL-REF (N,C0235001,M.HONDA+,J,PR,118,1618,1960) Berillium-7 O058300400004 Production by Protons with Energy 0.73 MeV For Some O058300400005 Organic Targets. R.L.Reeder Calculated Cross Section O058300400006 For Oxygen from Honda'S+ Data. O058300400007 (N,C0220001,P.BENIOFF,J,PR,119,316,1960) Berillium-7 O058300400008 Production from N-14 and O-16 at 5.7 GeV. O058300400009 COMMENT - By Compiler - P.L.Reeder Quoted the Data of M.Honda+ O058300400010 For 0.73 MeV and P.Beniof For 5.7 GeV , Which were O058300400011 Corrected by Him For New Values of Na-24 Monitor CrossO058300400012 Section. O058300400013 FLAG (1.) The Datum of M.Honda+ Which was Corrected For New O058300400014 Monitor Cross Section. O058300400015 (2.) The Datum of P.Beniof, Which was Corrected by P.L.O058300400016 Reeder For New Monitor Cross Section. O058300400017 SAMPLE The Oxygen Target was D(2)O-16. O058300400018 ENDBIB 16 0 O058300400019 NOCOMMON 0 0 O058300400020 DATA 4 3 O058300400021 EN DATA ERR-T FLAG O058300400022 GEV MB MB NO-DIM O058300400023 0.73 9.8 0.7 1. O058300400024 2.2 8.8 0.4 O058300400025 5.7 8.8 2.3 2. O058300400026 ENDDATA 5 0 O058300400027 ENDSUBENT 26 0 O058300499999 SUBENT O0583005 19991117 0000O058300500001 BIB 3 6 O058300500002 REACTION (8-O-18(P,X)4-BE-7,,SIG) O058300500003 SAMPLE The Oxygen Target was D(2)O-18 Enriched to 97.7% O-18. O058300500004 ERR-ANALYS The Main Source of Error in the O-18 Cross Section is O058300500005 Due to the Reduced Beam Intensity with Which the O-18 O058300500006 Target Bombarded, So That Less Be-7 Produced Relative O058300500007 To the Other Targets. O058300500008 ENDBIB 6 0 O058300500009 NOCOMMON 0 0 O058300500010 DATA 3 1 O058300500011 EN DATA ERR-T O058300500012 GEV MB MB O058300500013 2.2 5.5 0.4 O058300500014 ENDDATA 3 0 O058300500015 ENDSUBENT 14 0 O058300599999 SUBENT O0583006 19991117 0000O058300600001 BIB 3 6 O058300600002 REACTION (7-N-14(P,X)3-LI-9,,SIG) O058300600003 REL-REF (N,C0236001,L.DOSTROVSKY+,J,PR/B,139,1513,1960) O058300600004 COMMENT - By Compiler - The Datum of L.Dostrovsky+ was Quoted O058300600005 By P.L.Reeder, But the Datum did not Included in QuotedO058300600006 Paper. Therefore Compiler Decided to Include the O058300600007 Datum. O058300600008 ENDBIB 6 0 O058300600009 NOCOMMON 0 0 O058300600010 DATA 3 1 O058300600011 EN DATA ERR-T O058300600012 GEV MB MB O058300600013 2.2 0.28 0.02 O058300600014 ENDDATA 3 0 O058300600015 ENDSUBENT 14 0 O058300699999 SUBENT O0583007 19991117 0000O058300700001 BIB 3 6 O058300700002 REACTION (7-N-15(P,X)3-LI-9,,SIG) O058300700003 REL-REF (N,C0236001,L.DOSTROVSKY+,J,PR/B,139,1513,1960) O058300700004 COMMENT - By Compiler - The Datum of L.Dostrovsky+ was Quoted O058300700005 By P.L.Reeder, But the Datum did not Included in QuotedO058300700006 Paper. Therefore Compiler Decided to Include the O058300700007 Datum. O058300700008 ENDBIB 6 0 O058300700009 NOCOMMON 0 0 O058300700010 DATA 3 1 O058300700011 EN DATA ERR-T O058300700012 GEV MB MB O058300700013 2.2 0.53 0.04 O058300700014 ENDDATA 3 0 O058300700015 ENDSUBENT 14 0 O058300799999 SUBENT O0583008 19991117 0000O058300800001 BIB 3 6 O058300800002 REACTION (8-O-18(P,X)3-LI-9,,SIG) O058300800003 REL-REF (N,C0236001,L.DOSTROVSKY+,J,PR/B,139,1513,1960) O058300800004 COMMENT - By Compiler - The Datum of L.Dostrovsky+ was Quoted O058300800005 By P.L.Reeder, But the Datum did not Included in QuotedO058300800006 Paper. Therefore Compiler Decided to Include the O058300800007 Datum. O058300800008 ENDBIB 6 0 O058300800009 NOCOMMON 0 0 O058300800010 DATA 3 1 O058300800011 EN DATA ERR-T O058300800012 GEV MB MB O058300800013 2.2 0.63 0.05 O058300800014 ENDDATA 3 0 O058300800015 ENDSUBENT 14 0 O058300899999 ENDENTRY 8 0 O058399999999