Resonance states of superheavy hydrogen nuclei obtained in transfer reactions with exotic beams

被引：0
|
作者：
Ter-Akopian, GM [1 ]
Bogdanov, DD
Fomichev, AS
Golovkov, MS
Oganessian, YT
Rodin, AM
Sidorchuk, SI
Slepnev, RS
Stepantsov, SV
Wolski, R
Gorshkov, VA
Chelnokov, ML
Korsheninnikov, AA
Nikolski, EY
Tanihata, I
Hanappe, F
Materna, T
Stuttgé, L
Ninane, AH
机构：
[1] JINR, Flerov Lab Nucl React, Dubna 141980, Russia
[2] Inst Nucl Phys, Krakow, Poland
[3] RIKEN, Wako, Saitama 3510198, Japan
[4] Free Univ Brussels, B-1050 Brussels, Belgium
[5] Inst Rech Subatom, F-67037 Strasbourg, France
[6] Univ Louvain, Dept Phys Nucl, B-1348 Louvain, Belgium
来源：
ACTA PHYSICA HUNGARICA NEW SERIES-HEAVY ION PHYSICS | 2003年 / 18卷 / 2-4期
关键词：
radioactive beams; transfer reactions; resonance states;
D O I：
10.1556/APH.18.2003.2-4.4
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A resonance state situated at 1.8 +/- 0.1 and, most likely, another state positioned at 2.7 +/- 0.1 MeV above the t+n+n decay threshold were observed in the missing mass energy spectrum of the H-5 nucleus produced in the reaction H-3(t,p)H-5. The peak located close to E-5H = 1.8 MeV also was seen in the H-5 spectrum obtained from the energy distributions of 3H nuclei emitted in the reaction H-2(He-6,H-5)He-3. The width (Gamma(obs) less than or equal to 0.5 MeV) obtained for the two 5H resonance states is surprisingly small. A state of H-4 with E-res = 3.3 MeV and gamma(2) = 2.3 MeV was obtained in the reaction H-2(t,p)H-4 from the proton spectrum.
引用
收藏
页码：141 / 148
页数：8
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