ENTRY E1815 20050224 0000E181500000001 SUBENT E1815001 20050224 0000E181500100001 BIB 9 30 E181500100002 TITLE Experimental evidence for the existence of 7H and for E181500100003 a specific structure of 8He E181500100004 AUTHOR (A.A.Korsheninnikov, E.Yu.Nikolskii, E.A.Kuzmin, E181500100005 A.Ozawa, K.Morimoto, F.Tokanai, R.Kanungo, I.Tanihata, E181500100006 N.K.Timofeyuk, M.S.Golovkov, A.S.Fomichev, A.M.Rodin, E181500100007 M.L.Chelnokov, G.M.Ter-Akopian, W.Mittig, E181500100008 P.Roussel-Chomaz, H.Savajols, E.Pollacco, E181500100009 A.A.Ogloblin, M.V.Zhukov) E181500100010 INSTITUTE (2JPNIPC) E181500100011 (2UK SUR) E181500100012 (4ZZZDUB) E181500100013 (2FR GAN) E181500100014 (2FR SAC) DAPNIA-SPhN E181500100015 (4RUSKUR) E181500100016 (2SWDCTH) E181500100017 REFERENCE (J,PRL,90,(8),082501,200302) E181500100018 INC-SOURCE Beam intensity is about 300000 PPS. E181500100019 SAMPLE - Chemical-form of target is element. E181500100020 - Physical-form of target is gas. Temperature of 35 K E181500100021 and pressure of 10 atm E181500100022 - Target-thickness: 6*10**21 protons/cm2 E181500100023 FACILITY (PRJFS,2JPNIPC) Secondary beam of 8He produced by the E181500100024 fragment separator RIPS from E181500100025 fragmentation of a primary beam of E181500100026 18O. E181500100027 DETECTOR (SI) Stack of Si strip detectors(RIKEN telescope), E181500100028 which allows one to detect serveral particles in E181500100029 coincidence, to identify each partilcle, and to E181500100030 measure its energy and angles E181500100031 HISTORY (20030904C) E181500100032 ENDBIB 30 0 E181500100033 COMMON 2 3 E181500100034 EN EN-RSL E181500100035 MEV/A MEV/A E181500100036 61.3 2.6 E181500100037 ENDCOMMON 3 0 E181500100038 ENDSUBENT 37 0 E181500199999 SUBENT E1815002 20050224 0000E181500200001 BIB 6 11 E181500200002 REACTION (1-H-1(2-HE-8,2P)1-H-7,,DE,RSD,REL) E181500200003 Spectrum of 7H after subtraction of the polynominal E181500200004 fit to the empty-target background. Unit is E181500200005 Count/1.5MeV. E181500200006 PART-DET (P) E181500200007 EN-SEC (E-LVL,1-H-7) Level energy of 7H measured from t+4n E181500200008 decay threshold E181500200009 METHOD (COINC) Detect proton and proton in coincidence. E181500200010 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E181500200011 STATUS (TABLE) Data (Fig.4, p082501-3 in reference) received E181500200012 by e-mail from A.A.Korsheninnikov (2003.09.05) E181500200013 ENDBIB 11 0 E181500200014 NOCOMMON 0 0 E181500200015 DATA 3 29 E181500200016 E-LVL DATA DATA-ERR E181500200017 MEV ARB-UNITS ARB-UNITS E181500200018 -20.25 -3.35 1.73 E181500200019 -18.75 -8.30 3.32 E181500200020 -17.25 -7.13 5.29 E181500200021 -15.75 1.74 7.42 E181500200022 -14.25 -3.08 8.37 E181500200023 -12.75 12.09 10.30 E181500200024 -11.25 -10.09 10.25 E181500200025 -9.75 1.07 11.70 E181500200026 -8.25 -10.76 12.04 E181500200027 -6.75 -17.93 12.49 E181500200028 -5.25 0.17 13.78 E181500200029 -3.75 3.09 14.35 E181500200030 -2.25 -5.66 14.39 E181500200031 -0.75 43.30 16.19 E181500200032 0.75 30.30 15.84 E181500200033 2.25 41.54 16.12 E181500200034 3.75 29.09 15.52 E181500200035 5.25 27.89 15.13 E181500200036 6.75 22.72 14.46 E181500200037 8.25 27.20 13.96 E181500200038 9.75 28.77 13.23 E181500200039 11.25 39.65 12.73 E181500200040 12.75 20.88 10.86 E181500200041 14.25 24.25 9.80 E181500200042 15.75 40.31 9.38 E181500200043 17.25 20.39 6.86 E181500200044 18.75 15.50 5.10 E181500200045 20.25 6.40 2.83 E181500200046 21.75 -1.45 1.00 E181500200047 ENDDATA 31 0 E181500200048 ENDSUBENT 47 0 E181500299999 SUBENT E1815003 20050224 0000E181500300001 BIB 6 10 E181500300002 REACTION (1-H-1(2-HE-8,2P)1-H-7,,DE,RSD,REL) E181500300003 Spectrum of 7H after direct subtraction of the E181500300004 empty-target background. Unit is Count/3MeV. E181500300005 PART-DET (P) E181500300006 EN-SEC (E-LVL,1-H-7) Level energy of 7H measured from t+4n E181500300007 decay threshold E181500300008 METHOD (COINC) Detect proton and proton in coincidence. E181500300009 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E181500300010 STATUS (TABLE) Data (Fig.5, p082501-3 in reference) received E181500300011 by e-mail from A.A.Korsheninnikov (2003.09.05) E181500300012 ENDBIB 10 0 E181500300013 NOCOMMON 0 0 E181500300014 DATA 3 15 E181500300015 E-LVL DATA DATA-ERR E181500300016 MEV ARB-UNITS ARB-UNITS E181500300017 -21.00 -4.99 4.11 E181500300018 -18.00 -12.44 11.33 E181500300019 -15.00 -0.14 18.51 E181500300020 -12.00 -4.51 24.20 E181500300021 -9.00 -16.03 28.28 E181500300022 -6.00 2.22 30.71 E181500300023 -3.00 -11.77 33.93 E181500300024 0.00 73.98 35.72 E181500300025 3.00 82.49 35.05 E181500300026 6.00 42.78 33.54 E181500300027 9.00 48.12 30.48 E181500300028 12.00 73.53 25.27 E181500300029 15.00 64.08 19.81 E181500300030 18.00 31.29 12.06 E181500300031 21.00 3.79 4.25 E181500300032 ENDDATA 17 0 E181500300033 ENDSUBENT 32 0 E181500399999 SUBENT E1815004 20050224 0000E181500400001 BIB 7 11 E181500400002 REACTION (1-H-1(2-HE-8,T)2-HE-6,PAR,DA) E181500400003 PART-DET (T) E181500400004 (2-HE-6) E181500400005 EN-SEC ANG-CM is polar angle between beam and triton in E181500400006 center of mass system E181500400007 (E-LVL,2-HE-6) E181500400008 LEVEL-PROP (2-HE-6,E-LVL=0.,SPIN=0.,PARITY=+1.) E181500400009 METHOD (COINC) Detect triton and 6He in coincidence. E181500400010 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E181500400011 STATUS (TABLE) Data (Fig.6, p082501-4 in reference) received E181500400012 by e-mail from A.A.Korsheninnikov (2003.09.05) E181500400013 ENDBIB 11 0 E181500400014 COMMON 1 3 E181500400015 E-LVL E181500400016 KEV E181500400017 0. E181500400018 ENDCOMMON 3 0 E181500400019 DATA 3 9 E181500400020 ANG-CM DATA-CM DATA-ERR E181500400021 ADEG MB/SR MB/SR E181500400022 8.600 0.591 0.118 E181500400023 9.600 0.579 0.078 E181500400024 10.600 0.530 0.056 E181500400025 11.600 0.490 0.045 E181500400026 12.600 0.421 0.036 E181500400027 13.700 0.301 0.026 E181500400028 14.700 0.183 0.021 E181500400029 15.900 0.098 0.022 E181500400030 17.000 0.055 0.025 E181500400031 ENDDATA 11 0 E181500400032 ENDSUBENT 31 0 E181500499999 SUBENT E1815005 20050224 0000E181500500001 BIB 7 11 E181500500002 REACTION (1-H-1(2-HE-8,T)2-HE-6,PAR,DA) E181500500003 PART-DET (T) E181500500004 (A) E181500500005 EN-SEC ANG-CM is polar angle between beam and triton in E181500500006 center of mass system E181500500007 (E-LVL,2-HE-6) E181500500008 LEVEL-PROP (2-HE-6,E-LVL=1.8,SPIN=2.,PARITY=+1.) E181500500009 METHOD (COINC) Detect triton and alpha in coincidence. E181500500010 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E181500500011 STATUS (TABLE) Data (Fig.6, p082501-4 in reference) received E181500500012 by e-mail from A.A.Korsheninnikov (2003.09.05) E181500500013 ENDBIB 11 0 E181500500014 COMMON 1 3 E181500500015 E-LVL E181500500016 MEV E181500500017 1.8 E181500500018 ENDCOMMON 3 0 E181500500019 DATA 3 11 E181500500020 ANG-CM DATA-CM DATA-ERR E181500500021 ADEG MB/SR MB/SR E181500500022 7.900 1.007 0.194 E181500500023 8.900 1.003 0.134 E181500500024 9.900 1.135 0.110 E181500500025 10.900 1.233 0.102 E181500500026 12.000 1.213 0.095 E181500500027 13.000 1.197 0.091 E181500500028 14.100 1.150 0.087 E181500500029 15.300 1.058 0.081 E181500500030 16.400 1.036 0.081 E181500500031 17.600 0.767 0.070 E181500500032 18.900 0.614 0.085 E181500500033 ENDDATA 13 0 E181500500034 ENDSUBENT 33 0 E181500599999 ENDENTRY 5 0 E181599999999