ENTRY 23796 20210220 23012379600000001 SUBENT 23796001 20210220 23012379600100001 BIB 12 39 2379600100002 TITLE Yields of neutron-rich rubidium and cesium isotopes 2379600100003 from fast-neutron induced fission of 238U, obtained by 2379600100004 studying their release from a thick ISOL target 2379600100005 AUTHOR (F.Hosni,C.Lau,O.Bajeat,R.Borcea,Ch.Bourgeois, 2379600100006 C.Donzaud,M.Ducourtieux,S.Essabaa,D.Guillemaud-Mueller,2379600100007 F.Ibrahim,H.Lefort,A.C.Mueller,O.Perru,B.Roussiere, 2379600100008 J.Sauvage,K.L.Kratz,B.Pfeiffer,U.Koester,A.Joinet, 2379600100009 J.Lettry,K.Perajarvi,L.Tecchio,G.Lhersonneau, 2379600100010 E.Fioretto,G.Prete,L.Stroe) 2379600100011 REFERENCE (J,NIM/B,247,205,2006) 2379600100012 INSTITUTE (2FR PAR) F.Hosni,C.Lau,O.Bajeat,R.Borcea,Ch.Bourgeois,2379600100013 C.Donzaud,M.Ducourtieux,S.Essabaa,D.Guillemaud-Mueller,2379600100014 F.Ibrahim,H.Lefort,A.C.Mueller,O.Perru,B.Roussiere, 2379600100015 J.Sauvage. 2379600100016 (2GERMNZ) K.L.Kratz,B.Pfeiffer. 2379600100017 (2ZZZCER) U.Koester,A.Joinetc,J.Lettry,K.Peraejaervi. 2379600100018 (2ITYPAD) G.Lhersonneau,E.Fioretto,G.Prete,L.Stroe. 2379600100019 REL-REF (I,,C.Lau+,J,NIM/B,204,257,2003) Exp.setup details. 2379600100020 . S.Menard+,J.Phys.Review Accelerators and Beams, 2379600100021 vol.2,iss. 3, p. 033501, 1999 2379600100022 Incident neutron beam details. 2379600100023 FACILITY (VDGT,2FR PAR) 2379600100024 INC-SOURCE (D-C12) 26 MeV deuteron beam ( 1uA) stops fully in 3-mm2379600100025 thick graphite converter. 2379600100026 INC-SPECT Fast neutrons of mean energy 10 MeV with energy spread2379600100027 of about 10 MeV. 2379600100028 SAMPLE 148 ISOLDE-type 238UCx (pressed powder) discs 2379600100029 connected to a surface ionizer. 2379600100030 METHOD (OLMS,RELFY) Intensities of mass-separated beams of Rb 2379600100031 and Cs were measured. 2379600100032 DETECTOR (MAGSP) PARRNe isotope separator on-line at IPN, Orsay,2379600100033 equipped with an ISOLDE standard unit containing 2379600100034 a tungsten surface ionizer. 2379600100035 (LONGC) Mainz long counter for neutron detection. 2379600100036 (HPGE) 68% HP-Ge detector for gamma-rays detection. 2379600100037 (SCIN) Thick plastic scintillator for beta-rays 2379600100038 detection. 2379600100039 COMET-6X module for data acquisition. 2379600100040 HISTORY (20210405C) M.M. 2379600100041 ENDBIB 39 0 2379600100042 NOCOMMON 0 0 2379600100043 ENDSUBENT 42 0 2379600199999 SUBENT 23796002 20210220 23012379600200001 BIB 7 26 2379600200002 REACTION (92-U-238(N,F)ELEM/MASS,IND,FY,,SPA/REL) 2379600200003 Relative yields in arb.units., see also ANALYSIS. 2379600200004 DECAY-DATA (37-RB-99,50.3MSEC,DN) 2379600200005 (55-CS-147,225.MSEC,DN) 2379600200006 Other isotopes were identified by gamma-lines. 2379600200007 (37-RB-95,378.MSEC) 2379600200008 (55-CS-148,158.MSEC) 2379600200009 ANALYSIS Relative yields were obtained by formula (6) of 2379600200010 Nucl.Instrum.Methods in Physics Res.,Sect.B, 2379600200011 v.247,p.205,2006, using reference fission yield 2379600200012 of Rb-91 for rubidium and Cs-138 for cesium from 2379600200013 rel.ref. of England+. 2379600200014 REL-REF (R,,R.T.England+,R,LA-UR-94-3106,1994) 2379600200015 https://nds.iaea.org/endf349/ 2379600200016 (A,,R.T.England+,R,LA-UR-94-3106,1994) 2379600200017 COMMENT Of authors. 2379600200018 Contribution of Kr-91 (HL=8.57sec) and Xe-140 2379600200019 (HL=13.6sec) in Rb-91 and Cs-140 ,respectively, was 2379600200020 verified and neglected. 2379600200021 ERR-ANALYS Quantization errors ( 1/2 pixel ): 2379600200022 scale X - 0.005 amu, scale Y - 0.37 %. 2379600200023 (DATA-ERR) Type of uncertainty is not explained in the 2379600200024 article. 2379600200025 STATUS (CURVE) Figs.7 (Rb) and 8 (Cs) of 2379600200026 Nucl.Instrum.Methods in Physics Res.,Sect.B, 2379600200027 v.247,p.205,2006 2379600200028 ENDBIB 26 0 2379600200029 COMMON 2 3 2379600200030 EN-MEAN ERR-DIG 2379600200031 MEV PER-CENT 2379600200032 10. 0.69 2379600200033 ENDCOMMON 3 0 2379600200034 DATA 4 18 2379600200035 ELEMENT MASS DATA DATA-ERR 2379600200036 NO-DIM NO-DIM ARB-UNITS ARB-UNITS 2379600200037 37. 90. 2.433E-02 3.246E-03 2379600200038 37. 91. 3.667E-02 5.642E-03 2379600200039 37. 93. 2.423E-02 6.982E-03 2379600200040 37. 94. 1.917E-02 5.768E-03 2379600200041 37. 95. 2.020E-02 4.838E-03 2379600200042 37. 96. 5.273E-03 1.383E-03 2379600200043 37. 97. 2.191E-03 4.766E-04 2379600200044 37. 98. 4.219E-04 1.299E-04 2379600200045 55. 138. 5.159E-02 5.529E-03 2379600200046 55. 139. 5.162E-02 5.532E-03 2379600200047 55. 140. 5.434E-02 8.966E-03 2379600200048 55. 141. 5.530E-02 2.367E-02 2379600200049 55. 142. 5.259E-02 1.079E-02 2379600200050 55. 143. 2.715E-02 5.571E-03 2379600200051 55. 144. 1.203E-02 3.014E-03 2379600200052 55. 145. 5.241E-03 1.379E-03 2379600200053 55. 146. 1.082E-03 2.848E-04 2379600200054 55. 147. 8.641E-05 2.381E-05 2379600200055 ENDDATA 20 0 2379600200056 ENDSUBENT 55 0 2379600299999 ENDENTRY 2 0 2379699999999