Systematic Study Of Proton Radioactivity Of Spherical Proton Emitters Within Various Versions Of Proximity Potential Formalisms

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Proton drip-line studies at HRIBF

Proton radioactivity studies performed at the Holifield Radioactive Ion. Beam Facility Coulomb and centrifugal barriers for spherical and deformed shapes. Measured number of 36 proton emitting ground and isomeric states in nuclei reported till now. [10-12 The u2 values, calculated within a Two-Potential-Approach.

Systematic study of proton radioactivity of spherical proton

by JH Cheng 2020 Cited by 1 proton emitters among all the different versions of the Skyrme interactions. In addition, we use this proton in the proton radioactivity carries the information of its wave parative study of the 28 proximity potential formalisms 

MIRD Pamphlet No. 22 (Abridged): Radiobiology and

by G Sgouros 2010 Cited by 314 The potential of a-particle emitters to treat cancer has been rec- tumor stem cells, requires a systemic targeted therapy that is calculations, and selected studies in which such calculations In this formalism, the absorbed dose to a target Olko P, Booz J. Energy deposition by protons and alpha-particles in spherical 

Systematics of half-lives for proton radioactivity - CiteSeerX

by EL Medeiros Cited by 37 For proton emission to occur the valence proton must tunnel a potential barrier date at all. Progresses in proton radioactivity investigation covering both Thus, we thought it worthwhile to perform a systematic study of proton decay for agreement with experimental data for spherical proton emitters has been found. Here 

Shape transitions in proton-rich Ho and Tm isotopes - Chinese

by JY ZHU 2009 Cited by 9 Key words Y softness, proton drip line, proton emitter In fact, the systematical study of proton decay systematically by the cranking shell model (CSM). The potential energy surfaces of the nuclei are plot- sitions (from spherical to deformed to spherical) along neutron single-particle state in the vicinity of the de-.

Spectroscopic factor and proton formation probability for - JYX

by F Wang 2017 Cited by 11 Please cite the original version: All duplication or sale of all or part of any of the repository collections is not provides critical spectroscopic information on the proton emitters as will be illustrated in the Discussion Section, the proton decay predicted by spherical WKB calculations and the extracted S.

THEORY - 1 - European Commission - European Union

On September 27 29, 2010 a Scientific Workshop on Nuclear Fission. Dynamics and the Emission of Prompt Neutrons and Gamma Rays (THEORY 1).

Ground-state properties of deformed proton emitters in the

by GA Lalazissis 1999 Cited by 120 drip [4], reduction of the spin-orbit potential in nuclei with extreme isospin of the spherical N=28 shell gap in neutron-rich nuclei [7]. Detailed studies of ground-state proton radioactivity have been reported discuss the various approximations and symmetry constraints. In Sec. Most versions of the.

Predictions on the alpha decay chains of superheavy nuclei

by KP Santhosh 2016 A systematic study on the alpha decay half lives of various isotopes of superheavy and proximity potential model for deformed nuclei (CPPMDN). The calculated α decay half lives of the isotopes within our formalism match well with the values 126 is considered as the reason for this uncertainty in proton magic number.

NuPECC Long Range Plan 2017 Perspectives in Nuclear

nuclear physics research in Europe followed by a comprehensive chapter on quarks in the proton, or the connection between all nuclei based on systematic theories of strong radioactive ion beam facilities in Europe, the latter unique physics potential of nucleus - nucleus More details on these formalisms can.

Nuclear chemistry. Annual report, 1974

by HE Conzett 1975 Two Proton Transfer on 5 4 Fe Studied with High Energy Heavy Ion Graphical Representation in Alpha Decay Rate Theorv of Spherical Potential Energy Surfaces and Methylene Reactions (H. F. Schaefer TH) 258 neutron-emitting nuclides of interest, it was found Alamos Scientific Laboratory nuclear chemistry.

Spectroscopic factor and proton formation probability for the

by F Wang 2017 Cited by 11 decay provides critical spectroscopic information on the proton emitters single-particle potential and the corresponding initial single-proton cancy factor u2 is the probability that the spherical shell-model as will be illustrated in the Discussion Section, the proton decay It is also valid for all charged.

Theoretical Aspects of Science with Radioactive - JSTOR

by J Dobaczewski 1998 Cited by 127 nuclei with extreme neutron-to-proton ratio N/Z? What is the effective nucleon- Nuclear life far from stability is different from that around the stability line; the a discussion on the theoretical uncertainties in determining the particle drip lines. states resulting from the diagonalization of a finite potential in a large basis (Bol-.

Exotic Light Nuclei - Annual Reviews

by C Detraz 1989 Cited by 97 In this review we concentrate on studies of the exotic light nuclei (see In particular, systematic mass measurements have proven neutron (or proton) excess and thus make their Qp decay energies large, possible. All of these factors are important in obtaining good yields of the INC formalism discussed above.

Pairing correlation in atomic nuclei under - DiVA portal

by SA Changizi 2017 Cited by 1 Dr. Farnaz Ghazimoradi who brought me into the era of Ph.D. studies and 4.1 Systematic calculations of pairing gaps for all even-even nuclei 4.3 Experimental proton OES-parameters (in MeV) with four different formulae nuclear properties of some spherical nuclei, for instance, nickel and xenon 

Transition from direct to sequential two-proton decay in s d

by TA Golubkova 2016 Cited by 14 two-proton emission. Two-proton decays of 15Ne and 30Ar. The transition between different mechanisms of two-proton decay in exotic nuclei 

Fusion enhancement with neutron-rich radioactive beams

by KE Zyromski 1999 Cited by 61 The reactions chosen for study were 32,38S + 181Ta -+ Ac. Stable 32S has a neutron-to-proton ratio of 1:1, while radioactive 388 has a ratio 

Isospin Symmetry Breaking in sd Shell Nuclei - TEL archives

by YL Lam 2011 Cited by 2 discussion in dynamical symmetry breaking and Wigner's In this chapter we first briefly sketch the isospin formalism, then we explain proton, proton-neutron and neutron-neutron) are not very different Hence, in the vicinity of spherical mean potential governing this single nucleon; and ǫa are the 


by PW Marshall At that time, single event effects from protons were the primary concern, this task by citing the studies that identify FOR. SATELLITES. Protons occur in every imaginable orbit with variations in list offers several environment descriptions that are commonly seen in various simple spherical or slab single thickness.

Proton-radioactivity Half-life Formulas with - Inspire HEP

by A Soylu 2018 thosh and Sukumaran [14 16] have used the Coulomb Proximity Potential. Model (CPPM) [29] for both the spherical proton emitters and deformed proton emitters is in nuclear structure on the proton decay has been studied in different ways. cay formulas, we have systematically analyzed the proton emission by using.

Review of Geant4-DNA applications for micro and nanoscale

by S Incerti 2016 Cited by 92 as an investigational tool in kV and MV external beam radiotherapy, hadron therapies using protons and heavy ions, targeted therapies and radiobiology studies 

Superheavy Nuclei and Related Phenomena - IOSR Journal

Abstract: An overview of decay modes of superheavy nuclei, the proton decay, the alpha decay and the spontaneous fission, have been studied by considering the calculated using the Coulomb and proximity potential model (CPPM). All the possible proton emitters of Ds within 256 ≤ A ≤ 275 are listed in Table 1.


This report highlights the research performed in 2005 in the Physics Division of Argonne Neutron-Proton P-Correlations and Odd-Odd Nuclei: A Search for Excited reliable description of all bound nuclear systems, and c) testing the limits of the should be possible in many facets of β-decay, particularly in studying the.

Untitled - OSTI.GOV

In recent reviews (Papers 4.1, 4.14) various theoretical facets of nuclear structure The theoretical formalism has been applied to experimental ob- Three theories for describing the ground-state proton radioactivity in spherical nuclei to nuclear structure details, studies of proton emitters provide us with invaluable and.

Dosimetry of Augerâ 'electronâ 'emitting radionuclides - AAPM

by JL Humm 1994 Cited by 162 short-range Auger electrons released by radionuclides, which decay by electron capture In this report, different approaches to Auger electron dosimetry are described and organ studies have demonstrated that when Auger emitters ionization potential on the atom, the energy of which must be proximity to the DNA.

Nuclear Astrophysics - Universitas Pertahanan Library

researchers in various subfields of nuclear physics and astrophysics, with significant Kepler who two observed and studied radioactive phenomena in bright making the proton heavier than the neutron would make ordinary hydrogen unstable and none nuclei for which the strength of the electrostatic potential will be.

International Conference on Proton-Emitting Nuclei 2019

by MA Alaqeel 2019 The most nearly spherical cases are expected to be the Ta nuclei The WISArD (Weak Interaction Study with 32Ar Decay) experiment pursues a significant in- Triaxiality and residual neutron-proton interaction in proton emitters A version of the nuclear chart has been made as a large html table.

Investigation of proton Emission Using Deformed Relativistic

by T Sahoo 2019 Cited by 1 This is an unedited version of the accepted manuscript scheduled for publication. It has been uploaded in advance for the benefit of our 

Theoretical Aspects of Science with Radioactive Nuclear

by J Dobaczewski 1997 Cited by 127 Physics of radioactive nuclear beams is one of the main frontiers of nuclear along which the nuclear material is transported up in the proton and neutron the finite nuclear potential within an infinite well with walls positioned at a large on the coordinate space HFB formalism. to study spherical proton emitters [163].).


9.3 Proton-Rich Nuclei: Proton Radioactivity 110 Rotating (deformed) proton emitter: 141. Ho A tensor potential mixes states of different l The deuteron is not a spherical nucleus. In isospin formalism,. EC = ∑ all variations with δ, Z and A more accurately, systematic study of the changes between the.

Some new ideas for the proton radius puzzle - The 22nd

level k. in calculations we put all pions on the lowest possible 1s level. Spherical image states for systems of particles confined in metallic cavities or surrounding a conducting decades, the advances in radioactive beam physics has enabled the study structure and decays of exotic nuclear systems located in proximity.

SSNET Booklet final final final - Indico - IN2P3

7 Nov 2016 Such an absence of magic spherical superheavy nuclei has never been discussed before and it is a In this presentation, the systematic study of shape coexistence in Lifetimes of Nuclear States in Proton-Emitting Nuclei The formalism treats It preserves two different variants of SU(3) symmetry for.

The Scientific Objectives of the SPIRAL 2 Project

of research with inestimable potential not just for answering the questions we have now non-observation) of a nucleus in the vicinity of the drip line places a strong using various versions of the empirical liquid-drop model, the most Proton radioactivity in odd-Z nuclei has been investigated in the two spherical regions.

Probing Proton Drip-Line Nuclei in the A - The University of

One of the first ever fusion-evaporation experiments using radioactive-ion beams was performed at GANIL in order to study proton-rich nuclei of the light rare-earth re All the above mentioned potentials provoke spherical symmetry. The single-particle levels that emerge using the formalism described in this section.

PTCOG Publications Sub-Committee Task Group on Shielding

D. T. L. Jones, Proton Therapy Centre, Ružomberok, Slovak Republic S. Ban, Radiation Science Center, High Energy Accelerator Research Organization the nuclear potential, and emerges again at a different angle but with the same energy radioactivity in the vicinity of the treatment port, beam shaping, and delivery 

Theoretical Analysis and New Formulae for Half - IOPscience

by Z Hong-Fei 2009 Cited by 12 Systematic study of proton radioactivity of spherical proton emitters within various versions of proximity potential formalisms. Jun-Gang Deng et al.

Radiological Safety Aspects of the Operation of Proton

Radioactivity produced in the accelerator structure and its surroundings 414. 6.3.1. radiation protection programmes for all types of positive ion accelerators. Manning has given a detailed review of the broad scope of scientific research accelerated-particle beam or in proximity to those points of beam interaction.

Fulltext PDF 10,5 MB - HZDR

by F Dönau 2003 Sub-Threshold Phi Meson Production in the Reaction Ni(1.93 A GeV) + Ni. 7. Inclusive K-meson and Pion Production in Proton-Nucleus Collisions at SIS 

Rare Nuclear Processes in Low Energy Heavy Ion Physics

Nuclear structure studies on halo nuclei by direct reactions with radio¬ Proton radioactivity - spherical and deformed.C NDavids, In principle, a large variety of light-ion induced reactions with various physics motiva¬ inverse kinematics opens potentially a large spectrum of physics interest. define the emitting source.

Femtoscopy of proton-proton collisions in the ALICE experiment

by N Bock 2011 Cited by 6 The Large Ion Collider Experiment (ALICE) at CERN has been designed to study matter at extreme conditions of temperature and pressure, with the long term 

Charged-particle evaporation from hot 164Yb compound

by RJ Charity 1997 Cited by 38 A systematic study of the decay properties of 164Yb compound nuclei with The emission patterns of light charged particles detected in coincidence with tion version 18. The first lations 24 using real nuclear potential obtained from global For protons, the associated center-of-mass energy spectra emitting nucleus.

LNCS 651 - Decay Studies of N?Z Nuclei - INFN

by E Roeckl Cited by 10 Nuclei with equal or almost equal number of neutrons and protons are of particular longer bind all nucleons and the atomic nucleus becomes unstable against In the case of direct radioactivity, the emitting nuclear state is narrow, i.e. based on a nuclear potential of spherical symmetry. The isospin formalism allows 

Decay studies of proton-rich nuclei in the mass 70 region and

by L Sinclair 2016 believed to take place in X-ray bursts, occurs in the vicinity of the N=Z line, with rapid The nuclide 72Kr, with a β-decay half-life of 17.1(2) s, is a potential waiting point of Following these measurements, proton emission calculations transformed into a neutron, with the nucleus emitting a positron, this is 

Exploring the Energy Density Functional with High

by EM Olsen 2014 work in developing nuclear physics codes made my research possible. I am very the two-proton and two-neutron drip lines, two-proton radioactivity, ground state the statistical and systematic uncertainties of these calculations, six different energy 6.1 Examples of nuclear spherical, quadrupole, and octupole shapes.

Systematic study of proton emission half-lives within the two

by JH Cheng 2020 Version of Record: typical decay mode for odd-Z emitters beyond the proton drip line [3, 4]. Proton the Coulomb and proximity potential model for deformed nuclei (CPPMDN) (SHF) to systematically study the spherical proton emission half-lives and ex-.


by AA Sonzogni 1998 Proton emission half-lives are calculated within the DWBA formalism for rates are consistent with a decay from either [411 3/2] or [413 5/2] Nilsson proton emitters [4], makes these nuclei particularly shapes, 3 different methods have For a proton moving in a non-spherical potential, the wave function is expanded.

Perspectives on Nuclear Data for the Next Decade - Nuclear Energy

Systematic study of deuteron induced reactions within the CDCC framework can generate nuclear data for all open reaction channels, on a user-defined energy gamma-rays, protons, deuterons, tritons, helions and alpha-particles, in the 1 keV global dispersive spherical potential for neutron induced reactions was 

Theoretical Calculation for Half-Lives of Spherical Proton

by Q Yi-Bin 2010 Cited by 20 Systematic study of proton radioactivity of spherical proton emitters within various versions of proximity potential formalisms. Jun-Gang Deng et al Half-lives of the proton radioactivity for spherical proton emitters are investigated theoretically in the Wentzel proton-nucleus nuclear potential in the single folding.

Calculation of rates for radioactive isotope beam production at

by FH Garcia 2016 Cited by 2 Completion of this work would have not been possible without the presence of some very depicts all known nuclei in terms of their proton and neutron number. In this formalism, NB is the number of nuclei produced via direct production, NB is the producing the radioactive species used for scientific study at TRIUMF.

Systematic study of proton radioactivity of spherical proton

19 Apr 2019 emitters within various versions of proximity potential formalisms present a systematic study of the proton radioactivity half-lives of spherical.