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/* NRDF D1822 Data No.2 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,2;
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,2;
/* 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'26';
/* '26' 6He energy spectra */
ANL=RMTRX-THEORY;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,2;
INC-ENGY-LAB=73.40MEV;
RSD=11N;
THTL=12.0DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
EXC-ENGY'27' DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE'28'
(MEV) (NB/SR/MEV) (NB/SR/MEV)
0.000 8. +-2.91
0.100 4. +-2.20
0.200 6. +-2.46
0.300 7. +-2.70
0.400 1. +-1.10
0.500 7. +-2.70
0.600 8. +-3.02
0.700 8. +-3.02
0.800 6. +-2.58
0.900 7. +-2.81
1.000 10. +-3.30
1.100 10. +-3.30
1.200 20. +-4.67
1.300 25. +-5.28
1.400 34. +-6.13
1.500 34. +-6.13
1.600 40. +-6.61
1.700 56. +-7.86
1.800 64. +-8.39
1.900 102. +-10.62
2.000 169. +-13.62
2.100 196. +-14.69
2.200 189. +-14.44
2.300 187. +-14.35
2.400 160. +-13.28
2.500 148. +-12.77
2.600 131. +-12.01
2.700 140. +-12.41
2.800 113. +-11.17
2.900 102. +-10.62
3.000 104. +-10.68
3.100 88. +-9.85
3.200 78. +-9.28
3.300 72. +-8.88
3.400 77. +-9.18
3.500 90. +-9.94
3.600 110. +-11.01
3.700 122. +-11.60
3.800 130. +-11.98
3.900 141. +-12.48
4.000 129. +-11.91
4.100 123. +-11.65
4.200 151. +-12.91
4.300 217. +-15.47
4.400 263. +-17.00
4.500 309. +-18.44
4.600 280. +-17.55
4.700 246. +-16.44
4.800 200. +-14.85
4.900 165. +-13.48
5.000 164. +-13.42
5.100 157. +-13.14
5.200 121. +-11.55
5.300 172. +-13.75
5.400 229. +-15.88
5.500 228. +-15.84
5.600 254. +-16.73
5.700 310. +-18.49
5.800 353. +-19.73
5.900 404. +-21.09
6.000 402. +-21.05
6.100 392. +-20.79
6.200 390. +-20.72
6.300 342. +-19.42
6.400 310. +-18.47
6.500 311. +-18.50
6.600 331. +-19.10
6.700 337. +-19.26
6.800 308. +-18.42
6.900 319. +-18.75
7.000 315. +-18.64
7.100 288. +-17.80
7.200 264. +-17.04
7.300 307. +-18.37
7.400 292. +-17.92
7.500 302. +-18.23
\END;
/*===================================================================*/
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