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Related papers: On possibility of synthesizing superheavy elements…

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The synthesis of superheavy elements stimulates the effort to study the peculiarities of the complete fusion with massive nuclei and to improve theoretical models in order to extract knowledge about reaction mechanism in heavy ion…

Production cross sections for neutron-rich nuclei from the fragmentation of a 76Ge beam at 132 MeV/u were measured. The longitudinal momentum distributions of 34 neutron-rich isotopes of elements 13 <= Z <= 27 were scanned using a novel…

Deciphering the conditions under which neutron captures occur in the Universe to synthesize heavy elements is an endeavour pursued since the 1950s, but that has proven elusive up to now due to the experimental difficulty of generating the…

Plasma Physics · Physics 2023-12-15 Vojtěch Horný , Sophia N. Chen , Xavier Davoine , Laurent Gremillet , Julien Fuchs

About half of the elements beyond iron are synthesized in stars by rapid-neutron capture process (r-process). The stellar environment provides very high neutron flux in a short time ($\sim$ seconds) which is conducive for the creation of…

Nuclear Theory · Physics 2023-06-05 Vinay Singh , Joydev Lahiri , Malay Kanti Dey , D. N. Basu

The semi-microscopic potential between heavy nuclei is evaluated for various colliding ions in the approach of frozen densities in the framework of the extended Thomas-Fermi approximation with hbar^2 correction terms in the kinetic energy…

Nuclear Theory · Physics 2009-11-10 V. Yu. Denisov

The probability of $\alpha$ particle emission for some recently observed superheavy nuclei (SHN) are investigated. The $\alpha$-decay half lives of SHN are calculated in a quantum tunneling model with density dependent M3Y (DDM3Y) effective…

Nuclear Theory · Physics 2011-03-02 Partha Roy Chowdhury , G. Gangopadhyay , Abhijit Bhattacharyya

About half of the heavy elements in the Solar System were created by rapid neutron capture, or r-process, nucleosynthesis. In the r-process, heavy elements are built up via a sequence of neutron captures and beta decays in which an intense…

Nuclear Theory · Physics 2017-08-23 R. Surman , M. Mumpower , J. Cass , A. Aprahamian

As an explosion develops in the collapsed core of a massive star, neutrino emission drives convection in a hot bubble of radiation, nucleons, and pairs just outside a proto-neutron star. Shortly thereafter, neutrinos drive a wind-like…

Astrophysics · Physics 2009-11-10 J. Pruet , S. E. Woosley , R. Buras , H. -T. Janka , R. D. Hoffman

The mergers of binary neutron stars, as well as black hole-neutron star systems, are expected to produce an electromagnetic counterpart that can be analyzed to infer the element synthesis that occurred in these events. We investigate one…

High Energy Astrophysical Phenomena · Physics 2021-01-20 Y. L. Zhu , K. Lund , J. Barnes , T. M. Sprouse , N. Vassh , G. C. McLaughlin , M. R. Mumpower , R. Surman

How are the heavy elements formed? This has been a key open question in physics for decades. Recent direct detections of neutron star mergers and observations of evolved stars show signatures of chemical elements in the blue range of their…

Solar and Stellar Astrophysics · Physics 2022-03-16 Camilla Juul Hansen

The type II supernova is considered as a candidate site for the production of heavy elements. The nucleosynthesis occurs in an intense neutrino flux, we calculate the electron fraction in this environment.

High Energy Physics - Phenomenology · Physics 2009-11-10 U. Solis , J. C. D'Olivo , L. G. Cabral-Rosetti

The production of heavy neutron-rich nuclei has been investigated using cold fragmentation reactions of $^{238}$U projectiles at relativistic energies. The experiment performed at the high-resolving-power magnetic spectrometer FRS at GSI…

We investigate the possibilities of producing neutron-rich nuclides in projectile fission of heavy beams in the energy range of 20 MeV/nucleon expected from low-energy facilities. We report our efforts to theoretically describe the reaction…

Nuclear Experiment · Physics 2016-12-28 N. Vonta , G. A. Souliotis , W. D. Loveland , Y. K. Kwon , K. Tshoo , S. C. Jeong , M. Veselsky , A. Bonasera , A. Botvina

In peripheral collisions of relativistic heavy ions highly excited spectators containing Lambda-hyperons can be produced. Such strange spectator matter may undergo a break-up into many fragments (multifragmentation) as it is well…

Nuclear Theory · Physics 2008-11-26 A. S. Botvina , J. Pochodzalla

Fissioning nuclei and fission fragments, nuclear fragments emerging from energetic collisions, or nuclei probed with various external fields can emit one or more pre-equilibrium neutrons, protons, and potentially other heavier nuclear…

Nuclear Theory · Physics 2020-09-23 A. Bulgac

Heavy elements are formed in nucleosynthesis processes. Abundances of these elements can be classified as elemental abundance, isotopic abundance, and abundance of nuclei. In this work we propose to change nucleon identification from the…

Nuclear Experiment · Physics 2015-02-25 Miklos Kiss

Low energy nuclear reactions in the neighborhood of metallic hydride surfaces may be induced by ultra-low momentum neutrons. Heavy electrons are absorbed by protons or deuterons producing ultra low momentum neutrons and neutrinos. The…

Strongly Correlated Electrons · Physics 2007-05-23 A. Widom , L. Larsen

A possible mechanism for the formation of heavy-mass elements in supernovae is the rapid neutron-capture-mechanism (r-process). It depends upon the electron-fraction $Y_e$, a quantity which is determined by beta-decay-rates. In this paper,…

Nuclear Theory · Physics 2020-07-07 M. M. Saez , O. Civitarese , M. E. Mosquera

Synthesis of new elements at the upper border of the charts of nuclei and investigation of their decay properties and nuclear structure has been one of the main research topics in low energy nuclear physics since more than five decades.…

Nuclear Experiment · Physics 2022-04-28 Fritz Peter Hessberger

The production cross sections of superheavy nuclei with charge numbers $114-117$ are predicted in the $(5-9)n$-evaporation channels of the $^{48}$Ca-induced complete fusion reactions for future experiments. The estimates of synthesis…

Nuclear Theory · Physics 2021-04-28 J. Hong , G. G. Adamian , N. V. Antonenko , P. Jachimowicz , M. Kowal