Observation of new neutron-deficient isotopes with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mi mathvariant="normal">Z</mml:mi><mml:mo>≥</mml:mo><mml:mn>92</mml:mn></mml:math>in multinucleon transfer reactions

Devaraja, H. M.; Heinz, S.; Beliuskina, O.; Comas, V. F.; Hofmann, S.; Hornung, C.; Münzenberg, G.; Nishio, K.; Ackermann, D.; Gambhir, Y. K.; Gupta, M.; Henderson, R. A.; Heßberger, F. P.; Khuyagbaatar, J.; Kindler, B.; Lommel, B.; Moody, Κ. J.; Maurer, J.; Mann, Robert B.; Popeko, A. G.; Shaughnessy, D. A.; Stoyer, M. A.; Yeremin, A. V.

doi:10.1016/j.physletb.2015.07.006

Cited by 108 publications

(44 citation statements)

References 16 publications

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“…There have been long-standing experimental interest in conducting nuclear alpha decay studies which not only carry important information on nuclear structure but are also very useful even today for isotope identification via α-decay tagging [105,106,107,108,109,110,111,112,113]. Moreover, the importance of α particle capture reactions (or the inversed α-decay process) for nucleosynthesis has been investigated during a long time.…”

Section: α Decaymentioning

confidence: 99%

Recent developments in radioactive charged-particle emissions and related phenomena

Liotta

Wyss

2019

Progress in Particle and Nuclear Physics

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The advent and intensive use of new detector technologies as well as radioactive ion beam facilities have opened up possibilities to investigate alpha, proton and cluster decays of highly unstable nuclei. This article provides a review of the current status of our understanding of clustering and the corresponding radioactive particle decay process in atomic nuclei. We put alpha decay in the context of charged-particle emissions which also include one-and two-proton emissions as well as heavy cluster decay. The experimental as well as the theoretical advances achieved recently in these fields are presented. Emphasis is given to the recent discoveries of charged-particle decays from proton-rich nuclei around the proton drip line. Those decay measurements have shown to provide an important probe for studying the structure of the nuclei involved. Developments on the theoretical side in nuclear many-body theories and supercomputing facilities have also made substantial progress, enabling one to study the nuclear clusterization and decays within a microscopic and consistent framework. We report on properties induced by the nuclear interaction acting in the nuclear medium, like the pairing interaction, which have been uncovered by studying the microscopic structure of clusters. The competition between cluster formations as compared to the corresponding alpha-particle formation are included. In the review we also describe the search for super-heavy nuclei connected by chains of alpha and other radioactive particle decays.

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Section: α Decaymentioning

confidence: 99%

Recent developments in radioactive charged-particle emissions and related phenomena

Liotta

Wyss

2019

Progress in Particle and Nuclear Physics

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“…The MNT mechanism has been further investigated with the actinide nuclei based reactions. The system of 48 Ca+ 248 Cm was used to produce the neutron-deficient nuclei, i.e., the new isotopes 216 U, 219 Np, 223 Am, 229 Am and 233 Bk [31]. The investigations are particularly interesting for checking the shell evolution in the domain of proton-rich nuclei besides the new isotope synthesis.…”

Section: Resultsmentioning

confidence: 99%

Multinucleon transfer dynamics in heavy-ion collisions near Coulomb-barrier energies

et al. 2017

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The multinucleon transfer reactions near barrier energies has been investigated with a multistep model based on the dinuclear system (DNS) concept, in which the capture of two colliding nuclei, the transfer dynamics and the de-excitation process of primary fragments are described by the analytical formula, the diffusion theory and the statistical model, respectively. The nucleon transfer takes place after forming the DNS and is coupled to the dissipation of relative motion energy and angular momentum by solving a set of microscopically derived master equations within the potential energy surface. Specific reactions of 40,48 Ca+ 124 Sn, 40 Ca ( 40 Ar, 58 Ni)+ 232 Th, 40 Ca ( 58 Ni)+ 238 U and 40,48 Ca ( 58 Ni) + 248 Cm near barrier energies are investigated. It is found that the fragments are produced by the multinucleon transfer reactions with the maximal yields along the β-stability line. The isospin relaxation is particularly significant in the process of fragment formation. The incident energy dependence of heavy target-like fragments in the reaction of 58 Ni+ 248 Cm is analyzed thoroughly.PACS number(s): 25.70.Hi, 24.10.Pa, 24.60.Gv

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“…Previously, Devaraja et al had reported 219 Np in the decay chain starting at 223 Am, however, neither the α-decay energy nor the lifetime were measured. 21 Huang et al reported the discovery of 224 Np in the paper "Identification of the new isotope 224 Np". 14 The Sector-Focusing Cyclotron (SFC) of the Heavy Ion Research Facility in Lanzhou (HIRFL) accelerated a 40 Ar beam to 188 MeV which then bombarded a 460 µg/cm 2 thick 187 Re target.…”

Section: Nuclide(s)mentioning

confidence: 99%

“…Also, the ten-year average for transuranium isotopes dropped to its lowest value (3.7) since 2000 (3.4) falling below the rate for proton-rich nuclides (4.1) for the first time since 2008. Since 2010, when the second largest number of new transuranium isotopes were reported (21), less than five isotopes were discovered per year. 24 11 O was posted on the arXives by Webb et al, 25 and 79 Co and 84 Cu were reported in the most recent RIKEN Annual Report.…”

Section: Status At the End Of 2018mentioning

confidence: 99%

2018 update of the discoveries of nuclides

Thoennessen

2019

Int. J. Mod. Phys. E

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Observation of new neutron-deficient isotopes withZ≥92in multinucleon transfer reactions

Cited by 108 publications

References 16 publications

Recent developments in radioactive charged-particle emissions and related phenomena

Recent developments in radioactive charged-particle emissions and related phenomena

Multinucleon transfer dynamics in heavy-ion collisions near Coulomb-barrier energies

2018 update of the discoveries of nuclides

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