ENTRY 23304 20160810 22542330400000001 SUBENT 23304001 20160810 22542330400100001 BIB 13 102 2330400100002 AUTHOR (N.Patronis, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, 2330400100003 D.Pauwels, K.Van de Vel, P.Van Duppen,J.Van Roosbroeck,2330400100004 J.-C.Thomas, S.Franchoo, J.Cederkall, V.N.Fedoseyev, 2330400100005 H.Fynbo, U.Georg, O.Jonsson, U.Koester, T.Materna, 2330400100006 L.Mathieu, O.Serot, L.Weissman, W.F.Mueller,V.I.Mishin,2330400100007 D.Fedorov) 2330400100008 TITLE Beta-decay study of 77Cu . 2330400100009 REFERENCE (J,PR/C,80,034307,2009) 2330400100010 #doi:10.1103/PhysRevC.80.034307 2330400100011 INSTITUTE (2BLGLEU) N.Patronis,H.DeWitte,M.Gorska,M.Huyse, 2330400100012 K.Kruglov,D.Pauwels,K.VandeVel,P.VanDuppen, 2330400100013 J.VanRoosbroeck 2330400100014 (2FR GAN) J.-C.Thomas 2330400100015 (2ZZZCER) S.Franchoo,J.Cederkall,V.N.Fedoseyev, 2330400100016 H.Fynbo,U.Georg,O.Jonsson,U.Koester 2330400100017 (2FR ILL) T.Materna 2330400100018 (2FR CAD) L.Mathieu,O.Serot 2330400100019 (1USAMSU) L.Weissman,W.F.Mueller 2330400100020 (4RUSRUS) Institute of Spectroscopy, Russian Academy 2330400100021 of Sciences, RU-142092 Troitsk, Russia. V.I.Mishin. 2330400100022 (4RUSLIN) D.Fedorov 2330400100023 REL-REF (I,,J.Van Roosbroeck+,J,PR/C,71,054307,2005) 2330400100024 (I,,J.Van Roosbroeck,T,VANROOSBROEECK,2002) 2330400100025 Ph.D.thesis, IKS-Katholieke Universiteit Leuven,2002 2330400100026 (I,,J.-C.Thomas+,J,PR/C,74,054309,2006) 2330400100027 Three refs. for details of exp. setup . 2330400100028 FACILITY (OLMS,2ZZZCER) ISOLDE mass separator. 2330400100029 See details in: 2330400100030 E.Kugler+,Hyperfine Interact.129,23,2000. 2330400100031 SAMPLE Neutron-rich copper isotopes were produced by means of2330400100032 proton- or neutron-induced fission reactions on 238U. 2330400100033 After the production, 77Cu was selectively laser 2330400100034 ionized, mass separated, and sent to different 2330400100035 detection systems. 2330400100036 METHOD (COINC) Beta-gamma and beta-neutron coincidence. 2330400100037 Parameters of cycle: 2330400100038 implantation/decay time - 0.6 s/2.2 s 2330400100039 laser on measurement time - 170 min 2330400100040 laser off measurement time - 115 min 2330400100041 DETECTOR First setup: 2330400100042 (HPGE) Two HPGe detectors with relative efficiencies 2330400100043 75%(left) and 90%(right) - for gamma rays detection. 2330400100044 (SOLST) Three plastic deltaE detectors - for the 2330400100045 beta-particle detection . 2330400100046 (TELES) The full energy of the beta particles was 2330400100047 recorded with the beta telescope; installed behind the2330400100048 implantation tape at 0deg with respect to the beam 2330400100049 direction. 2330400100050 Second setup: 2330400100051 (LONGC) The Mainz neutron long counter - to detect 2330400100052 beta-delayed neutrons. Consists of three concentric 2330400100053 rings of 3He tubes. The energy-dependent detection 2330400100054 efficiency was simulated with the Monte Carlo neutron 2330400100055 transport code MCNP. 2330400100056 (SOLST) Thin plastic scintillator served for the 2330400100057 detection of beta particles. 2330400100058 PART-DET (B,N,DG) 2330400100059 CORRECTION For background. 2330400100060 ADD-RES (DECAY) Level scheme on Fig.6 . 2330400100061 29-CU-77 HL=467.4+-2.1 msec measured. 2330400100062 Table II of J,PR/C,80,034307,2009 : 2330400100063 Relative intensities of the 77Cu decay lines in the 2330400100064 LMD-based spectrum to 505.7+-0.9 keV line intensity. 2330400100065 Given in % . 2330400100066 Egamma,keV DATA,no-dim FLAG 2330400100067 114.7 +- 0.3 33. +- 4. 1. 2330400100068 505.7 +- 0.9 100. +- 5. 2. 2330400100069 591.1 +- 0.2 34. +- 4. 3. 2330400100070 598.3 +- 0.3 89. +- 3. 4. 2330400100071 685.5 +- 0.5 4. +- 1. 5. 2330400100072 804.5 +- 1.0 16. +- 2. 6. 2330400100073 871.9 +- 1.0 10. +- 2. 7. 2330400100074 957.3 +- 0.3 40. +- 3. 8. 2330400100075 1277.7 +- 0.2 46. +- 4. 9. 2330400100076 1409.3 +- 0.3 37. +- 3. 10. 2330400100077 1595.3 +- 1.0 8. +- 2. 11. 2330400100078 1926.0 +- 0.5 33. +- 2. 12. 2330400100079 2023.0 +- 1.0 13. +- 2. 13. 2330400100080 2549.0 +- 1.0 13. +- 2. 14. 2330400100081 3826.7 +- 1.0 3. +- 1. 2330400100082 Type of uncertainty is not explained in the article. 2330400100083 Coincidence with gamma rays: 2330400100084 FLAG E,keV(intensity,%, +-error) 2330400100085 (1.) 685.5(4+-1), 1169.8(6+-1) 2330400100086 (2.) 638.0(7+-2), 804.5(16+-2), 957.3(40+-3), 2330400100087 1595.3(8+-2), 1662.1(7+-2), 1805.0(8+-2), 2330400100088 1926.0(33+-2), 2108.0(6+-2), 2549(13+-2) 2330400100089 (3.) 871.9(10+-2), 1290.8(17+-3), 1840.6(5+-2), 2330400100090 2023.0(13+-2), 2463.6(6+-2) 2330400100091 (4.) 698.0(16+-2) Beta-delayed neutron emission 2330400100092 (5.) 114.7(33+-4) 2330400100093 (6.) 505.7(100+-5), 1277.7(46+-4), 1662.1(7+-2) 2330400100094 (7.) 591.1(34+-4) 2330400100095 (8.) 505.7(100+-5), 638.0(7+-2), 1277.7(46+-2) 2330400100096 (9.) 957.3(40+-3), 1595.3(8+-2), 1662.1(7+-2), 2330400100097 1805.0(8+-2), 1926.0(33+-2), 2549.0(13+-2) 2330400100098 (10.) 1463.7(6+-2), 2335.0(7+-3) 2330400100099 (11.) 505.7(100+-5) 2330400100100 (12.) 505.7(100+-5), 1277.7(46+-4) 2330400100101 (13.) 591.1(34+-4) 2330400100102 (14.) 505.7(100+-5), 1277.7(46+-4) 2330400100103 HISTORY (20160810C) M.M. 2330400100104 ENDBIB 102 0 2330400100105 NOCOMMON 0 0 2330400100106 ENDSUBENT 105 0 2330400199999 SUBENT 23304002 20160810 22542330400200001 BIB 4 7 2330400200002 REACTION (29-CU-77(0,B-)30-ZN-77,,KE,N) 2330400200003 Average energy of beta-delayed neutrons. 2330400200004 DECAY-DATA (29-CU-77,467.4MSEC) 2330400200005 467.4+-2.1 msec measured. 2330400200006 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in 2330400200007 the article. 2330400200008 STATUS (TABLE) Text, page 034307-6 of J,PR/C,80,034307,2009 2330400200009 ENDBIB 7 0 2330400200010 NOCOMMON 0 0 2330400200011 DATA 2 1 2330400200012 DATA DATA-ERR 2330400200013 KEV KEV 2330400200014 450. 150. 2330400200015 ENDDATA 3 0 2330400200016 ENDSUBENT 15 0 2330400299999 SUBENT 23304003 20160810 22542330400300001 BIB 5 9 2330400300002 REACTION (29-CU-77(0,B-)30-ZN-77,,PN) 2330400300003 ANALYSIS From the intensity balance of the 598.3 keV gamma ray 2330400300004 and the 77Zn gamma rays, a lower limit for the 2330400300005 probability for neutron emission in 77Cu was obtained. 2330400300006 DECAY-DATA (29-CU-77,467.4MSEC) 2330400300007 467.4+-2.1 msec measured. 2330400300008 REL-REF (A,,J.A.Winger+,J,PRL,102,142502,2009) Agree 2330400300009 (D,,B.Pfeiffer+,J,PNE,41,39,2002) Much higher 2330400300010 STATUS (TABLE) Text, page 034307-7 of J,PR/C,80,034307,2009 2330400300011 ENDBIB 9 0 2330400300012 NOCOMMON 0 0 2330400300013 DATA 1 1 2330400300014 DATA-MIN 2330400300015 NO-DIM 2330400300016 0.26 2330400300017 ENDDATA 3 0 2330400300018 ENDSUBENT 17 0 2330400399999 ENDENTRY 3 0 2330499999999