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/* NRDF D1822 Data No.3 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,3;
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,3;
/* 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'29';
/* '29' 6He energy spectra */
ANL=RMTRX-THEORY;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,3;
INC-ENGY-LAB=73.40MEV;
RSD=11N;
THTL=18.0DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
EXC-ENGY'30' DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE'31'
(MEV) (NB/SR/MEV) (NB/SR/MEV)
0.000 5. +-2.72
0.100 1. +-1.40
0.200 1. +-1.40
0.300 4. +-2.40
0.400 2. +-1.74
0.500 9. +-3.56
0.600 3. +-2.03
0.700 1. +-1.42
0.800 4. +-2.41
0.900 4. +-2.45
1.000 8. +-3.45
1.100 7. +-3.14
1.200 19. +-5.22
1.300 21. +-5.47
1.400 52. +-8.50
1.500 40. +-7.53
1.600 44. +-7.83
1.700 51. +-8.43
1.800 57. +-8.93
1.900 73. +-10.12
2.000 112. +-12.52
2.100 127. +-13.37
2.200 153. +-14.67
2.300 147. +-14.34
2.400 130. +-13.50
2.500 138. +-13.92
2.600 124. +-13.19
2.700 92. +-11.35
2.800 70. +-9.91
2.900 63. +-9.41
3.000 60. +-9.14
3.100 49. +-8.30
3.200 52. +-8.54
3.300 64. +-9.45
3.400 60. +-9.21
3.500 70. +-9.91
3.600 90. +-11.20
3.700 89. +-11.19
3.800 90. +-11.26
3.900 86. +-10.96
4.000 86. +-10.98
4.100 88. +-11.08
4.200 80. +-10.56
4.300 128. +-13.42
4.400 148. +-14.38
4.500 180. +-15.86
4.600 160. +-15.00
4.700 156. +-14.77
4.800 120. +-12.99
4.900 99. +-11.79
5.000 75. +-10.28
5.100 97. +-11.67
5.200 104. +-12.10
5.300 133. +-13.65
5.400 155. +-14.72
5.500 155. +-14.72
5.600 144. +-14.20
5.700 169. +-15.40
5.800 166. +-15.24
5.900 179. +-15.85
6.000 154. +-14.68
6.100 218. +-17.46
6.200 204. +-16.91
6.300 189. +-16.26
6.400 186. +-16.17
6.500 135. +-13.77
6.600 149. +-14.47
6.700 179. +-15.84
6.800 173. +-15.58
6.900 166. +-15.27
7.000 165. +-15.20
7.100 148. +-14.42
7.200 155. +-14.72
7.300 140. +-14.02
7.400 145. +-14.26
7.500 167. +-15.30
\END;
/*===================================================================*/
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