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/* NRDF D1918 Data No.1 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,1;
D#=D1918;
TITLE=/ Production and decay of the isotope 271Ds (Z=110) /;
PURPOSE=/ To provide a concrete confirmation of a production of
271Ds /;
ATH=(K.MORITA'1', K.MORIMOTO'1', D.KAJI'1,2', H.HABA'1', E.IDEGUCHI'1',
R.KANUNGO'1', K.KATORI'1', H.KOURA'1,3', H.KUDO'2', T.OHNISHI'1',
A.OZAWA'1', T.SUDA'1', K.SUEKI'4', I.TANIHATA'1', H.XU'5',
A.V.YEREMIN'6', A.YONEDA'1', A.YOSHIDA'1', Y.-L.ZHAO'7',
T.ZHENG'8');
INST-ATH=(2JPNIPC'1', 2JPNNII'2', 2JPNWDA'3', 2JPNTSU'4', 3CPRIMP'5',
4ZZZDUB'6', 3CPRIHP'7', 3CPRBJG'8');
/* '3' Advanced Research Institute for Science and Engineering
/* '6' Flerov Laboratory of Nuclear Reactions */
/* '8' School of Physics */
REF=(EPJ/A'9');
VLP=(21(2004)257'9');
/* Secondary reference
- NP/A, 734(2004)101 (K.Morita et al., Proc. of the 8th
International Conference on Nucleus-Nucleus Collisions (NN2003))
RCTS=208PB(64NI,N)271DS;
PHQS=EXC-FUNCT;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,1;
/* 2004-12-15 : Compiled, Kc + On */
/* 2006-10-04 : Altered, On. Reference (NN2003) added */
PHQ=EXC-FUNCT;
ENR=98.4%;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=0.19[0.27MG/CM**2;
BAC=C'10';
/* '10' Additional 10 micro-gram/cm**2 carbon layer also
evaporated on the target to protect the target from sputtering
THK-BAC=0.03MG/CM**2;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=LINAC'11';
/* '11' RIKEN Linear Accelerator (RILAC) */
INST-ACC=2JPNIPC;
BEAM-INTNSTY=[5E12PPS;
POL-PRJ=0%;
DET-PARTCL=(ALPHA'12',ALPHA'16',ALPHA'15',ALPHA'14',ALPHA'13');
/* '16' Alpha from 255No7.7 to 8.1 MeV alphas measured */
/* '15' Alpha from 259Rf5.9 to 9.0 MeV alphas measured */
/* '14' Alpha from 263Sg8.5 to 9.4 MeV alphas measured */
/* '13' Alpha from 267Hs9.6 to 10.0 MeV alphas with T1/2=52+13-8
msec (g.s.) and 0.80+3.8-0.37 sec (isomer) measured. These
value is obtained by combining two results from RIKEN and GSI.
/* '12' Alpha from 271Ds9.9 to 10.8 MeV alphas with
T1/2=1.63+0.44-0.29 msec (g.s.) and 69+56-21 msec (isomer)
measured. These values are obtained by combining two results
from RIKEN and GSI. */
COINC=NO;
ANT-COINC=NO;
DET-SYS=(MAG'17',MCPLT'18',SI'19',SI'20',TOF'21');
/* '17' Gas-filled recoil separator GARIS */
/* '18' To obtain ToF signals for reaction products and used to
distinguish decay events in the PSD and the implantation
events */
/* '19' To measure energy of reaction products (PSD) */
/* '20' To detect decay alpha-particles escaping from PSD (SSD)
/* '21' To obtain information on masses of heavy products */
ERS-DET=XKEV'22';
/* '22' Energy resolution for decay alphas measured only by PSD
was 70 keV (FWHM), while that for those measured as sum of PSD
and SSD was 140 keV (FWHM). */
EFCN-DET=/ Efficiency of detection system is 0.80+-0.15. /;
/* Experimental Method:
- Time-of-flight (To obtain information on masses of heavy
products)
RCT=208PB(64NI,N)271DS;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,1;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-LAB'23' DELTA-INC-ENGY-LAB'23,24' XSECTN XSECTN-MAX
DELTA-XSECTN'25'
(MEV) (MEV) (PB) (PB) (PB)
308 +-1.3 1.8 X +4.1-1.5
311 +-1.2 8.0 X +6.0-4.0
314 +-1.2 17 X +7-6
318 +-1.1 X 3.7 +X-X
\END;
/*===================================================================*/
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