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/* NRDF D1822 Data No.4 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,4;
D#=D1822;
TITLE=/Structure of the unbound 11N nucleus by the (3He,6He)
reaction/;
PURPOSE=/This experiment was performed in order to confirm the
energies and widths of the ground state and low-lying levels
of the unbound 11N in the consideration of a possible halo
structure in 11N./;
ATH=(V.GUIMARAES'1', S.KUBONO'2', F.C.BARKER'3', M.HOSAKA'4',
S.C.JEONG'5', I.KATAYAMA'5', T.MIYACHI'2', T.NOMURA'5',
M.H.TANAKA'5', Y.FUCHI'5', H.KAWASHIMA'5', S.KATO'6',
C.C.YUN'7', K.ITO'7', H.ORIHARA'7', T.TERAKAWA'7', T.KISHIDA'8',
Y.PU'8', S.HAMADA'9', M.HIRAI'10', H.MIYATAKE'5');
INST-ATH=(3BZLUSP'1', 2JPNTOK'2', 3AULCBR'3', 2JPNJPN'4', 2JPNKEK'5',
2JPNYMG'6', 2JPNTOH'7', 2JPNIPC'8', 2JPNJAE'9', 2JPNTOK'10');
/* '1' Instituto de Fisica */
/* '2' Center for Nuclear Study */
/* '3' Department of Theoretical Physics, Research School of
Physical Science and Engineering */
/* '4' Institute for Molecular Science, Okazaki */
/* '5' Institute of Particle and Nuclear Studies */
/* '6' Physics Department */
/* '7' Cyclotron and Radioisotope Center */
/* '10' Department of Physics */
REF=(PR/C'11', RBF'12');
VLP=(67(2003)064601'11', 33(2003)263'12');
/* '12' V.Guimaraes et al., Proceedings of the XXV Workshop on
Nuclear Physics in Brazil (Sao Pedro, 2002) */
RCTS=14N(3HE,6HE)11N;
PHQS=(ENGY-SPEC'13', RESN-ENGY'14', ANGL-DSTRN, OPT-POTL-PARA);
/* '13' 6He energy spectra */
/* '14' Energy above the 10C+p threshold (decay energy) of the 11N
reasonance */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,4;
/* 2003-10-03 : Compiled */
RTY=PKUP;
ENR=99.95%;
CHM=ELM;
PHYS-FORM=GAS;
THK-TGT=XMG/CM**2'15';
/* '15' 14N2 gas target filled to a pressure of about 21 cm Hg */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC;
INST-ACC=2JPNTOK'16';
/* '16' Center for Nuclear Study */
INC-ENGY-LAB=73.40MEV;
ERS-PRJ=0.05MEV;
BEAM-INTNSTY=[0.5UA;
POL-PRJ=0%;
DET-PARTCL=6HE;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(MAG'17',PROP-CNTR'18',SCT'19',TOF'20',EDE'21');
/* '17' QDD type spectrograph to analyze 6He and other products
/* '18' Gas proportinal counter to detect reaction products and
measure energy loss */
/* '19' To measure energy and time-of-flight */
/* '20' ToF was obtained from the time interval between
cyclotron-rf and fast signal from plastic scintillator. */
/* '21' E and Delta E are obtained from plastic scintillator and
proportional counter. */
ERS-DET=[200KEV'22';
/* '22' FWHM */
CALB-DET=/ The known states of 21Mg from 24Mg(3He,6He)21Mg is used for
energy calibration. /;
/* Experimental Method:
- Time-of-flight (ToF was obtained from the time interval between
cyclotron-rf and fast signal from plastic scintillator.)
- Particle identification by 'E/Delta E' measurement (E and Delta
E are obtained from plastic scintillator and proportional
counter.)
RCT=14N(3HE,6HE)11N;
PHQ=ENGY-SPEC'32';
/* '32' 6He energy spectra */
ANL=RMTRX-THEORY;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,4;
INC-ENGY-LAB=73.40MEV;
RSD=11N;
THTL=6.8DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
EXC-ENGY'33' COUNTS DELTA-COUNTS'34'
(MEV) (NODIM) (NODIM)
0.000 0. +-0.00
0.100 0. +-0.00
0.200 0. +-0.00
0.300 1. +-1.00
0.400 2. +-1.41
0.500 4. +-2.00
0.600 2. +-1.41
0.700 3. +-1.73
0.800 4. +-2.00
0.900 4. +-2.00
1.000 4. +-2.00
1.100 3. +-1.73
1.200 7. +-2.65
1.300 9. +-3.00
1.400 17. +-4.12
1.500 11. +-3.32
1.600 14. +-3.74
1.700 15. +-3.87
1.800 23. +-4.80
1.900 20. +-4.47
2.000 38. +-6.16
2.100 52. +-7.21
2.200 34. +-5.83
2.300 41. +-6.40
2.400 50. +-7.07
2.500 56. +-7.48
2.600 45. +-6.71
2.700 42. +-6.48
2.800 34. +-5.83
2.900 34. +-5.83
3.000 30. +-5.48
3.100 24. +-4.90
3.200 25. +-5.00
3.300 28. +-5.29
3.400 28. +-5.29
3.500 39. +-6.24
\END;
/*===================================================================*/
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