ENTRY 23459 20200601 22892345900000001 SUBENT 23459001 20200601 22892345900100001 BIB 14 83 2345900100002 TITLE Measurement of the 154Gd(n,g) cross section and its 2345900100003 astrophysical implications 2345900100004 AUTHOR (A.Mazzone, S.Cristallo, O.Aberle, G.Alaerts, 2345900100005 V.Alcayne, S.Amaducci, J.Andrzejewski, L.Audouin, 2345900100006 V.Babiano-Suarez, M.Bacak, M.Barbagallo, V.Becares, 2345900100007 F.Becvar, G.Bellia, E.Berthoumieux, J.Billowes, 2345900100008 D.Bosnar, A.S.Brown, M.Busso, M.Caamano, L.Caballero, 2345900100009 M.Calviani, F.Calvino, D.Cano-Ott, A.Casanovas, 2345900100010 D.M.Castelluccio, F.Cerutti, Y.H.Chen, E.Chiaveri, 2345900100011 G.Clai, N.Colonna, G.P.Cortes, M.A.Cortes-Giraldo, 2345900100012 L.Cosentino, L.A.Damone, M.Diakaki, M.Dietz, 2345900100013 C.Domingo-Pardo, R.Dressler, E.Dupont, I.Duran, 2345900100014 Z.Eleme, B.Fernandez-Domingez, A.Ferrari, 2345900100015 I.Ferro-Goncalves, P.Finocchiaro, V.Furman, R.Garg, 2345900100016 A.Gawlik, S.Gilardoni, T.Glodariu, K.Goebel, 2345900100017 E.Gonzalez-Romero, C.Guerrero, F.Gunsing, S.Heinitz, 2345900100018 J.Heyse, D.G.Jenkins, E.Jericha, Y.Kadi, F.Kaeppeler, 2345900100019 A.Kimura, N.Kivel, M.Kokkoris, Y.Kopatch, S.Kopecky, 2345900100020 M.Krticka, D.Kurtulgil, I.Ladarescu, C.Lederer-Woods, 2345900100021 J.Lerendegui-Marco, S.Lo Meo, S.-J.Lonsdale, D.Macina,2345900100022 A.Manna, T.Martinez, A.Masi, C.Massimi, P.F.Mastinu, 2345900100023 M.Mastromarco, F.Matteucci, E.Maugeri, E.Mendoza, 2345900100024 A.Mengoni, V.Michalopoulou, P.M.Milazzo, F.Mingrone, 2345900100025 R.Mucciola, A.Musumarra, A.Negret, R.Nolte, F.Ogallar,2345900100026 A.Oprea, N.Patronis, A.Pavlik, J.Perkowski, 2345900100027 L.Piersanti, I.Porras, J.Praena, J.M.Quesada, 2345900100028 D.Radeck, D.Ramos Doval, R.Reifarth, D.Rochman, 2345900100029 C.Rubbia, M.Sabate-Gilarte, A.Saxena, P.Schillebeeckx,2345900100030 D.Schumann, A.G.Smith, N.Sosnin, A.Stamatopoulos, 2345900100031 G.Tagliente, J.L.Tain, Z.Talip, A.E.Tarifeno-Saldivia,2345900100032 L.Tassan-Got, P.Torres-Sanchez, A.Tsinganis, J.Ulrich,2345900100033 S.Urlass, S.Valenta, G.Vannini, V.Variale, P.Vaz, 2345900100034 A.Ventura, D.Vescovi, V.Vlachoudis, R.Vlastou, 2345900100035 A.Wallner, P.J.Woods, R.Wynants, T.J.Wright, P.Zugec) 2345900100036 INSTITUTE (2ITYBAU,2ZZZCER,2ZZZGEL,2SPNPCM,2ITYLNS,2ITYCAT, 2345900100037 3POLLOU,2FR PAR,2SPNVAL,2AUSATI,2FR SAC,3CZRCHU, 2345900100038 2UK MAN,3CROZAG,2UK YRK,2SPNSAU,2SPNUPC,2ITYUBO, 2345900100039 2ITYBOL,2SPNSEU,2GRCTUA,2UK EDG,2SWTPSI,2GRCIOA, 2345900100040 2PRTLIS,4ZZZDUB,3RUMBUC,2GERFRK,2GERKFK,2JPNJAE, 2345900100041 2ITYPAD,2ITYTRI,2GERPTB,2SPNGRU,2AUSVIE,3INDTRM, 2345900100042 2GERZFK,2ITYLGS,3AULCBR) 2345900100043 (2ITYITY) Constiglio Nazionale delle Ricerche, Bari; 2345900100044 INFN + Universita di Perugia, Perugia; 2345900100045 Istituto Nazionale di Astrofisica - Osservatorio 2345900100046 Astronomico d'Abruzzo 2345900100047 REFERENCE (J,PL/B,804,135405,2020) 2345900100048 REL-REF (O,,A.Mazzone+,J,PL/B,804,135405,2020) 2345900100049 154Gd+n Transmission data from GELINA 2345900100050 (not available as of 1 June 2020) 2345900100051 (I,,C.Guerrero+,J,EPJ/A,49,27,2013) 2345900100052 Description of facility, neutron production, moderator2345900100053 Description of detector 2345900100054 (M,,M.Barbagallo+,J,EPJ/A,49,156,2013) 2345900100055 Description of flux determination procedure 2345900100056 (M,,F.Mingrone+,J,PR/C,95,034604,2017) 2345900100057 Description on MC simulations for multiple scattering 2345900100058 and self-shielding corrections 2345900100059 FACILITY (SYNCY,2ZZZCER) CERN nTOF facility. 2345900100060 Protons (7E+12 protons/pulse, pulse width of 7 nsec) 2345900100061 were accelerated to 20 GeV/c. 2345900100062 INC-SOURCE (SPALL) 2E+15 neutrons/pulse were produced on a 2345900100063 Pb target. 2345900100064 SAMPLE Metallic Gd (0.263 g) 2345900100065 (64-GD-154,ENR=0.6678) 2345900100066 (64-GD-155,ENR=0.202) Declared at 17.52% by provider 2345900100067 DETECTOR (SCIN) Four C6D6 detector arranged at 125 deg relative 2345900100068 to the neutron beam direction and about 10 cm 2345900100069 upstream from the Gd sample position 2345900100070 METHOD (TOF) Flight path length of 185 m 2345900100071 (PHWT) 2345900100072 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2345900100073 Absolute normalization to the saturated 4.9 eV 2345900100074 capture resonance of 197Au. 2345900100075 CORRECTION Corrected for background due to 2345900100076 - ambient background under the absense of the neutron 2345900100077 beam 2345900100078 - sample-independent (empty) background due to 2345900100079 neutron beam 2345900100080 - sample-dependent background due to sample-scattered 2345900100081 neutrons and due to gamma-rays produced at the 2345900100082 spallation target 2345900100083 STATUS (APRVD) Proof ready by Cristian Massimi (2020-06-04) 2345900100084 HISTORY (20200601C) On+ED 2345900100085 ENDBIB 83 0 2345900100086 NOCOMMON 0 0 2345900100087 ENDSUBENT 86 0 2345900199999 SUBENT 23459002 20200601 22892345900200001 BIB 2 4 2345900200002 REACTION (64-GD-154(N,G)64-GD-155,,RYL) 2345900200003 STATUS (UNOBT) Data will be released after publication of 2345900200004 another paper dedicated to the statistical properties 2345900200005 of 154,155,157Gd neutron resonances. 2345900200006 ENDBIB 4 0 2345900200007 NOCOMMON 0 0 2345900200008 NODATA 0 0 2345900200009 ENDSUBENT 8 0 2345900299999 SUBENT 23459003 20200601 22892345900300001 BIB 5 23 2345900300002 REACTION (64-GD-154(N,G)64-GD-155,,SIG,,AV) 2345900300003 CORRECTION Multiple scattering and self-shielding according to 2345900300004 the following correction factor C v.s. En (keV) table 2345900300005 with linear interpolation: 2345900300006 ---------------------------------------------- 2345900300007 En C(En) En C(En) En C(En) 2345900300008 ---------------------------------------------- 2345900300009 1 0.999952 9 1.02554 80 1.00328 2345900300010 2 0.954597 10 1.02385 90 1.03046 2345900300011 3 1.02732 20 1.01557 100 1.01157 2345900300012 4 1.00886 30 1.02636 200 1.01878 2345900300013 5 1.02863 40 1.02465 300 1.01682 2345900300014 6 1.05114 50 1.00245 400 1.01009 2345900300015 7 0.997501 60 0.987341 500 1.01063 2345900300016 8 1.01677 70 1.02647 2345900300017 ---------------------------------------------- 2345900300018 ERR-ANALYS (ERR-T) Total uncertainty 2345900300019 (ERR-1) Neutron flux shape 2345900300020 (1% below 3 keV, 3.5% up to 300 keV) 2345900300021 (ERR-2) PHWT (1.3%) 2345900300022 STATUS (TABLE) Data received from Cristian Massimi 2345900300023 (DEP,23459002) Capture yields 2345900300024 HISTORY (20200601R) On. Received from C.Massimi via E.Dupont. 2345900300025 ENDBIB 23 0 2345900300026 COMMON 1 3 2345900300027 ERR-2 2345900300028 PER-CENT 2345900300029 1.3 2345900300030 ENDCOMMON 3 0 2345900300031 DATA 4 27 2345900300032 EN DATA ERR-T ERR-1 2345900300033 EV B B PER-CENT 2345900300034 2174.188 3.834664 9.6655E-02 1. 2345900300035 2613.015 3.464781 9.6844E-02 1. 2345900300036 3140.049 2.911185 8.5388E-02 3.5 2345900300037 3773.868 2.669334 8.7997E-02 3.5 2345900300038 4535.054 2.749578 7.8856E-02 3.5 2345900300039 5449.546 2.205756 8.1584E-02 3.5 2345900300040 6548.130 1.894123 7.8338E-02 3.5 2345900300041 7867.827 1.870761 7.3820E-02 3.5 2345900300042 9452.907 1.616661 6.9880E-02 3.5 2345900300043 11356.68 1.323231 6.1785E-02 3.5 2345900300044 13642.73 1.428995 5.5845E-02 3.5 2345900300045 16386.90 1.200673 5.6552E-02 3.5 2345900300046 19681.45 1.056555 5.0147E-02 3.5 2345900300047 23636.12 0.9505766 4.4970E-02 3.5 2345900300048 28382.71 0.9288355 4.0636E-02 3.5 2345900300049 34078.55 0.7348625 6.2536E-02 3.5 2345900300050 40911.15 0.7517503 4.7623E-02 3.5 2345900300051 49107.45 0.6408707 3.8861E-02 3.5 2345900300052 58935.85 0.5760835 3.2494E-02 3.5 2345900300053 70719.64 0.6012012 2.6807E-02 3.5 2345900300054 84844.58 0.4951744 3.4171E-02 3.5 2345900300055 101768.3 0.5489708 2.6651E-02 3.5 2345900300056 122043.3 0.5051319 2.0984E-02 3.5 2345900300057 146308.8 0.4466090 2.3048E-02 3.5 2345900300058 175343.0 0.3573771 1.7648E-02 3.5 2345900300059 210075.2 0.3529073 1.5840E-02 3.5 2345900300060 251585.8 0.3200155 1.1064E-02 3.5 2345900300061 ENDDATA 29 0 2345900300062 ENDSUBENT 61 0 2345900399999 SUBENT 23459004 20200601 22892345900400001 BIB 4 7 2345900400002 REACTION (64-GD-154(N,0),,EN) 2345900400003 ANALYSIS SAMMY analysis up to 2.75 keV and 165 resonances were 2345900400004 analyzed. Three new resonance were found (which are 2345900400005 compiled in this subentry). 2345900400006 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 2345900400007 STATUS (TABLE) Text (p.4) of Phys.Lett.B804(2020)135405 2345900400008 (DEP,23459002) Capture yields 2345900400009 ENDBIB 7 0 2345900400010 NOCOMMON 0 0 2345900400011 DATA 2 3 2345900400012 DATA DATA-ERR 2345900400013 EV EV 2345900400014 183.17 0.02 2345900400015 197.65 0.01 2345900400016 376.26 0.01 2345900400017 ENDDATA 5 0 2345900400018 ENDSUBENT 17 0 2345900499999 SUBENT 23459005 20200601 22892345900500001 BIB 3 6 2345900500002 REACTION 1(64-GD-154(N,EL),,STF) 2345900500003 2(64-GD-154(N,0),,D) 2345900500004 3(64-GD-154(N,G),,WID,,AV) 2345900500005 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 2345900500006 STATUS (TABLE) Text (p.4) of Phys.Lett.B804(2020)135405 2345900500007 (DEP,23459004) Resonance parameters 2345900500008 ENDBIB 6 0 2345900500009 COMMON 2 3 2345900500010 EN-RES-MAX MOMENTUM L 2345900500011 KEV NO-DIM 2345900500012 2.75 0. 2345900500013 ENDCOMMON 3 0 2345900500014 DATA 6 1 2345900500015 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 32345900500016 NO-DIM NO-DIM EV EV MILLI-EV MILLI-EV 2345900500017 2.78E-04 0.33E-04 13.4 1.1 59. 7. 2345900500018 ENDDATA 3 0 2345900500019 ENDSUBENT 18 0 2345900599999 SUBENT 23459006 20200601 22892345900600001 BIB 4 5 2345900600002 REACTION (64-GD-154(N,G)64-GD-155,,SIG,,MXW) 2345900600003 ANALYSIS Cross section above 300 keV from TALYS 2345900600004 STATUS (TABLE) Table 1 Phys.Lett.B804(2020)135405 2345900600005 (DEP,23459002) Capture yields 2345900600006 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 2345900600007 ENDBIB 5 0 2345900600008 NOCOMMON 0 0 2345900600009 DATA 3 12 2345900600010 KT DATA DATA-ERR 2345900600011 KEV MB MB 2345900600012 5. 2160. 90. 2345900600013 8. 1820. 80. 2345900600014 10. 1590. 80. 2345900600015 15. 1270. 80. 2345900600016 20. 1080. 60. 2345900600017 25. 970. 50. 2345900600018 30. 880. 50. 2345900600019 40. 770. 40. 2345900600020 50. 690. 40. 2345900600021 60. 640. 40. 2345900600022 80. 560. 30. 2345900600023 100. 510. 30. 2345900600024 ENDDATA 14 0 2345900600025 ENDSUBENT 24 0 2345900699999 ENDENTRY 6 0 2345999999999