ENTRY 22887 20051031 21742288700000001 SUBENT 22887001 20051031 21742288700100001 BIB 16 53 2288700100002 TITLE Determination of the Gamow-Teller quenching factor from2288700100003 charge exchange reactions on Zr-90. 2288700100004 AUTHOR (K.YAKO, H.SAKAI, M.B.GREENFIELD, K.HATANAKA, M.HATANO,2288700100005 J.KAMIYA, H.KATO, Y.KITAMURA, Y.MAEDA, C.L.MORRIS, 2288700100006 H.OKAMURA, J.RAPAPORT, T.SAITO, Y.SAKEMI, K.SEKIGUCHI, 2288700100007 Y.SHIMIZU, K.SUDA, A.TAMII, N.UCHIGASHIMA, T.WAKASA) 2288700100008 INSTITUTE (2JPNTOK) Yako, Sakai, Hatano, Kato, Maeda, Saito 2288700100009 Ichigashima, Suda 2288700100010 (2JPNICU) Greehfield, International Christian 2288700100011 University, Mitaka, Tokyo, Japan. 2288700100012 (2JPNOSA) Hatanaka, Kitamura, Sakemi, Shimizu, Tamii 2288700100013 (2JPNJAE) Kamiya 2288700100014 (1USALAS) Morris 2288700100015 (2JPNTOH) Okamura 2288700100016 (1USAOHO) Rapaport 2288700100017 (2JPNIPC) Sekiguchi 2288700100018 (2JPNKYU) Wakasa 2288700100019 REFERENCE (J,PL/B,615,193,2005) 2288700100020 SAMPLE .Three Zr-90 targets with thicknesses of 485, 233 and 2288700100021 215-mg/cm**2 and a polyethylene-ch(2)-target with a 2288700100022 thickness of 46-mg/cm**2 were mounted in a multiwire 2288700100023 drift chamber. 2288700100024 ADD-RES (COMP).The distorted wave impulse approximation 2288700100025 calculation. Multipole decomposition analysis. 2288700100026 The Gamow-Teller (GT) quenching q-factor was derived 2288700100027 by using the obtained total GT-strengths. The result 2288700100028 is q=0.88+-0.06 not including an overall normalization2288700100029 uncertainty in the gt-unit cross section of 16%. 2288700100030 FACILITY (ACCEL,2JPNOSA) Large acceptance spectrometer. 2288700100031 INC-SOURCE (P-LI7) The primary proton beam, after going through 2288700100032 the Li-7 target, was deflected away by the clearing 2288700100033 magnet to a faraday cup in the floor. The typical 2288700100034 beam intensity was 450-Na and thickness of the Li-7 2288700100035 target was 320-mg/cm**2. 2288700100036 INC-SPECT *En-rsl*.The overall energy resolution is 1.5-MeV, 2288700100037 mainly originating from the target thicknesses and 2288700100038 the energy spread of the beam. 2288700100039 METHOD (SITA) 2288700100040 DETECTOR (MWDC) For neutrons. 2288700100041 (SCIN) For charged particles. 2288700100042 PART-DET (P) 2288700100043 COMMENT *By authors*.The number of H(N,P) events from the ch(2)2288700100044 target was used for normalization of the neutron beam 2288700100045 flux. 2288700100046 STATUS (TABLE) The data were received from authors. 2288700100047 ERR-ANALYS (ERR-S). Statistical uncertainty of approx.2% per 2-MeV2288700100048 excitation energy bin. 2288700100049 (ERR-1). A systematic uncertainty of 5%, where the 2288700100050 main contributions are that of target thickness-4% and 2288700100051 the angular distribution of the N+P cross section taken2288700100052 from the phase-shift analysis-2%. 2288700100053 HISTORY (20051012C) 2288700100054 (20051031U) Last checking has been done. 2288700100055 ENDBIB 53 0 2288700100056 COMMON 4 3 2288700100057 EN EN-RSL ERR-S ERR-1 2288700100058 MEV MEV PER-CENT PER-CENT 2288700100059 293. 1.5 2. 5. 2288700100060 ENDCOMMON 3 0 2288700100061 ENDSUBENT 60 0 2288700199999 SUBENT 22887002 20051031 21742288700200001 BIB 2 2 2288700200002 REACTION (40-ZR-90(N,P)39-Y-90,,DA/DE,P/RSD) 2288700200003 EN-SEC (E-EXC,39-Y-90) 2288700200004 ENDBIB 2 0 2288700200005 COMMON 2 3 2288700200006 ANG-MIN ANG-MAX 2288700200007 ADEG ADEG 2288700200008 0. 1. 2288700200009 ENDCOMMON 3 0 2288700200010 DATA 3 39 2288700200011 E-EXC DATA DATA-ERR 2288700200012 MEV MB/SR/MEV MB/SR/MEV 2288700200013 -7. 0.003584 0.019443 2288700200014 -5. 0.001902 0.019421 2288700200015 -3. 0.024109 0.035918 2288700200016 -1. 0.073115 0.057308 2288700200017 1. 0.340068 0.025785 2288700200018 3. 0.5014 0.027984 2288700200019 5. 0.697967 0.030927 2288700200020 7. 0.775840 0.031883 2288700200021 9. 1.113357 0.037809 2288700200022 11. 1.439975 0.048332 2288700200023 13. 1.392446 0.040593 2288700200024 15. 1.476471 0.041806 2288700200025 17. 1.607972 0.042430 2288700200026 19. 1.538924 0.045180 2288700200027 21. 1.536191 0.043013 2288700200028 23. 1.417859 0.043550 2288700200029 25. 1.357215 0.041334 2288700200030 27. 1.210301 0.041242 2288700200031 29. 1.239324 0.041311 2288700200032 31. 1.116994 0.041870 2288700200033 33. 0.946085 0.040664 2288700200034 35. 1.001041 0.039291 2288700200035 37. 0.933288 0.038951 2288700200036 39. 0.900789 0.037946 2288700200037 41. 0.785948 0.036853 2288700200038 43. 0.818735 0.037304 2288700200039 45. 0.875513 0.038705 2288700200040 47. 0.752299 0.038074 2288700200041 49. 0.780191 0.037234 2288700200042 51. 0.805171 0.037228 2288700200043 53. 0.685601 0.038600 2288700200044 55. 0.714495 0.036598 2288700200045 57. 0.698479 0.038896 2288700200046 59. 0.602741 0.036432 2288700200047 61. 0.733327 0.038409 2288700200048 63. 0.572607 0.035944 2288700200049 65. 0.626825 0.037886 2288700200050 67. 0.69305 0.036151 2288700200051 69. 0.639843 0.038329 2288700200052 ENDDATA 41 0 2288700200053 ENDSUBENT 52 0 2288700299999 SUBENT 22887003 20051031 21742288700300001 BIB 2 2 2288700300002 REACTION (40-ZR-90(N,P)39-Y-90,,DA/DE,P/RSD) 2288700300003 EN-SEC (E-EXC,39-Y-90) 2288700300004 ENDBIB 2 0 2288700300005 COMMON 2 3 2288700300006 ANG-MIN ANG-MAX 2288700300007 ADEG ADEG 2288700300008 4. 5. 2288700300009 ENDCOMMON 3 0 2288700300010 DATA 3 39 2288700300011 E-EXC DATA DATA-ERR 2288700300012 MEV MB/SR/MEV MB/SR/MEV 2288700300013 -7. 0.003584 0.019443 2288700300014 -5. 0.001902 0.019421 2288700300015 -3. 0.024109 0.035918 2288700300016 -1. 0.073115 0.057308 2288700300017 1. 0.340068 0.025785 2288700300018 3. 0.501400 0.027984 2288700300019 5. 0.697967 0.030927 2288700300020 7. 0.775840 0.031883 2288700300021 9. 1.113357 0.037809 2288700300022 11. 1.439975 0.048332 2288700300023 13. 1.392446 0.040593 2288700300024 15. 1.476471 0.041806 2288700300025 17. 1.607972 0.042430 2288700300026 19. 1.538924 0.045180 2288700300027 21. 1.536191 0.043013 2288700300028 23. 1.417859 0.043550 2288700300029 25. 1.357215 0.041334 2288700300030 27. 1.210301 0.041242 2288700300031 29. 1.239324 0.041311 2288700300032 31. 1.116994 0.041870 2288700300033 33. 0.946085 0.040664 2288700300034 35. 1.001041 0.039291 2288700300035 37. 0.933288 0.038951 2288700300036 39. 0.900789 0.037946 2288700300037 41. 0.785948 0.036853 2288700300038 43. 0.818735 0.037304 2288700300039 45. 0.875513 0.038705 2288700300040 47. 0.752299 0.038074 2288700300041 49. 0.780191 0.037234 2288700300042 51. 0.805171 0.037228 2288700300043 53. 0.685601 0.038600 2288700300044 55. 0.714495 0.036598 2288700300045 57. 0.698479 0.038896 2288700300046 59. 0.602741 0.036432 2288700300047 61. 0.733327 0.038409 2288700300048 63. 0.572607 0.035944 2288700300049 65. 0.626825 0.037886 2288700300050 67. 0.693050 0.036151 2288700300051 69. 0.639843 0.038329 2288700300052 ENDDATA 41 0 2288700300053 ENDSUBENT 52 0 2288700399999 SUBENT 22887004 20051031 21742288700400001 BIB 2 2 2288700400002 REACTION (40-ZR-90(N,P)39-Y-90,,DA/DE,P/RSD) 2288700400003 EN-SEC (E-EXC,39-Y-90) 2288700400004 ENDBIB 2 0 2288700400005 COMMON 2 3 2288700400006 ANG-MIN ANG-MAX 2288700400007 ADEG ADEG 2288700400008 9. 10. 2288700400009 ENDCOMMON 3 0 2288700400010 DATA 3 39 2288700400011 E-EXC DATA DATA-ERR 2288700400012 MEV MB/SR/MEV MB/SR/MEV 2288700400013 -7. 0.003584 0.019443 2288700400014 -5. 0.001902 0.019421 2288700400015 -3. 0.024109 0.035918 2288700400016 -1. 0.073115 0.057308 2288700400017 1. 0.340068 0.025785 2288700400018 3. 0.501400 0.027984 2288700400019 5. 0.697967 0.030927 2288700400020 7. 0.775840 0.031883 2288700400021 9. 1.113357 0.037809 2288700400022 11. 1.439975 0.048332 2288700400023 13. 1.392446 0.040593 2288700400024 15. 1.476471 0.041806 2288700400025 17. 1.607972 0.042430 2288700400026 19. 1.538924 0.045180 2288700400027 21. 1.536191 0.043013 2288700400028 23. 1.417859 0.043550 2288700400029 25. 1.357215 0.041334 2288700400030 27. 1.210301 0.041242 2288700400031 29. 1.239324 0.041311 2288700400032 31. 1.116994 0.041870 2288700400033 33. 0.946085 0.040664 2288700400034 35. 1.001041 0.039291 2288700400035 37. 0.933288 0.038951 2288700400036 39. 0.900789 0.037946 2288700400037 41. 0.785948 0.036853 2288700400038 43. 0.818735 0.037304 2288700400039 45. 0.875513 0.038705 2288700400040 47. 0.752299 0.038074 2288700400041 49. 0.780191 0.037234 2288700400042 51. 0.805171 0.037228 2288700400043 53. 0.685601 0.038600 2288700400044 55. 0.714495 0.036598 2288700400045 57. 0.698479 0.038896 2288700400046 59. 0.602741 0.036432 2288700400047 61. 0.733327 0.038409 2288700400048 63. 0.572607 0.035944 2288700400049 65. 0.626825 0.037886 2288700400050 67. 0.693050 0.036151 2288700400051 69. 0.639843 0.038329 2288700400052 ENDDATA 41 0 2288700400053 ENDSUBENT 52 0 2288700499999 ENDENTRY 4 0 2288799999999