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The binding energies and proton separation energies of nuclides with $Z, N = 30-50$ are investigated, based on the shell model with an uncertainty analysis through statistical methods. Several formulas are used to obtain the binding…

核理论 · 物理学 2022-05-06 Boshuai Cai , Guangshang Chen , Cenxi Yuan , Jianjun He

We present a calculation of the twist-3 generalized parton distributions (GPDs) for gluons in the proton. Our analysis is performed within a light-front constituent model where the proton is treated as a two-body state of a spin-1 gluon and…

高能物理 - 唯象学 · 物理学 2025-10-07 Parashmani Thakuria , Madhurjya Lalung , Jayanta Kumar Sarma

The separation energy and half-life of some heavy proton emitting nuclei, and the single-particle structure of the unbound 11-N, have been evaluated by implementing a careful numerical treatment to solve Schrodinger equation in a continuum…

核理论 · 物理学 2009-11-11 T. N. Leite , N. Teruya , H. Dias , .

Ground state properties of proton-rich odd-$Z$ nuclei in the region $55\le Z \le 73$ are studied in the relativistic mean field (RMF) theory. The RMF equations are solved by using the expansion method in the Harmonic-Oscillator basis. In…

核理论 · 物理学 2009-11-10 L. S. Geng , H. Toki , J. Meng

We study electromagnetic form factors of protons in proton-nucleus scattering via analysing of experimental cross-sections of accompanying bremsstrahlung photons. A new bremsstrahlung model for proton-nucleus scattering is developed, where…

核理论 · 物理学 2024-04-22 Sergei P. Maydanyuk , Li-Ping Zou , Peng-Ming Zhang

The alpha decay half-lives of recently synthesized superheavy nuclei (SHN) are calculated by applying a new approach which estimates them with the help of their neighbors based on some simple formulas. The estimated half-life values are in…

核理论 · 物理学 2011-11-03 Jianmin Dong , Wei Zuo , Werner Scheid

The LPM suppression of photon emission rates from the quark gluon plasma have been studied at different physical conditions of the plasma given by temperature and chemical potentials.The integral equation for the transverse vector function…

高能物理 - 唯象学 · 物理学 2009-11-07 S. V. S. Sastry

We investigate the leading-twist gluonic distribution functions within the proton by formulating a light-front spectator model. The proton light-front wave functions (LFWFs) are adopted from the soft-wall AdS/QCD predictions, and the model…

高能物理 - 唯象学 · 物理学 2024-08-14 Poonam Choudhary , Dipankar Chakrabarti , Bheemsehan Gurjar , Tanmay Maji , Chandan Mondal , Asmita Mukherjee

A complete calculation of phase space factors (PSF) for Majoron emitting $0\nu\beta^-\beta^-$ decay modes is presented. The calculation makes use of exact Dirac wave functions with finite nuclear size and electron screening and includes…

核理论 · 物理学 2015-09-18 J. Kotila , J. Barea , F. Iachello

The newly developed nonadiabatic method based on the coupled-channel Schroedinger equation with Gamow states is used to study the phenomenon of proton radioactivity. The new method, adopting the weak coupling regime of the…

核理论 · 物理学 2009-11-06 B. Barmore , A. T. Kruppa , W. Nazarewicz , T. Vertse

Using a recently developed light-front spectator model that incorporates gluon, where the light-front wave functions are modeled from the soft-wall AdS/QCD prediction, we examine the leading twist gluon generalized parton distributions…

高能物理 - 唯象学 · 物理学 2024-02-27 Dipankar Chakrabarti , Poonam Choudhary , Bheemsehan Gurjar , Tanmay Maji , Chandan Mondal , Asmita Mukherjee

The proton-proton bremsstrahlung is investigated within a coupled-channel model with the $\Delta$ degree of freedom. The model is consistent with the $NN$ scattering up to 1 GeV and the $\gamma N\Delta$ vertex determined in the study of…

核理论 · 物理学 2009-09-25 F. de Jong , K. Nakayama , T. -S. H. Lee

We investigate an idea, how to use analysis of the bremsstrahlung photons to study the internal structure of proton under nuclear reaction with nucleus. A new model is constructed to describe bremsstrahlung emission of photons which…

核理论 · 物理学 2019-06-12 Sergei P. Maydanyuk , Peng-Ming Zhang , Li-Ping Zou

The study of protons, fundamental constituents of atomic nuclei, is crucial for understanding nuclear physics and fundamental forces. This review examines advancements in extracting electromagnetic form factors, essential for probing proton…

核实验 · 物理学 2025-02-25 Gerome A. Paterez , Jade C. Jusoy , Edmar Pantohan , Eulogio Auxtero

The electromagnetic form factors of the proton are obtained using a particular realization of QCD in the large $N_c$ limit (${QCD}_{\infty}$), which sums up the infinite number of zero-width resonances to yield an Euler's Beta function…

高能物理 - 唯象学 · 物理学 2010-02-03 C. A. Dominguez , T. Thapedi

The structure of the proton remains a significant challenge within the field of Quantum Chromodynamics, with the origin of its spin and mass still lacking a satisfactory explanation. In this study, we utilize the gravitational form factor…

高能物理 - 唯象学 · 物理学 2023-09-22 Wei Kou , Xurong Chen

Theoretical estimates for the half lives of about 1700 isotopes of heavy elements with Z from 100 to 130 are tabulated using theoretical Q-values. The quantum mechanical tunneling probabilities are calculated within a WKB framework using…

核理论 · 物理学 2008-11-26 P. Roy Chowdhury , C. Samanta , D. N. Basu

We study properties of the proton component of neutron star matter for a number of realistic nuclear models. Protons which form a few percent admixture tend to be localized in potential wells corresponding to neutron matter inhomogeneities…

天体物理学 · 物理学 2007-05-23 M. Kutschera , S. Stachniewicz , A. Szmaglinski , W. Wojcik

We compute the gravitational form factors (GFFs) and study their applications for the description of the mechanical properties such as the pressure, shear force distributions, and the mechanical radius of the proton from its light-front…

高能物理 - 唯象学 · 物理学 2024-03-19 Sreeraj Nair , Chandan Mondal , Siqi Xu , Xingbo Zhao , Asmita Mukherjee , James P. Vary

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…

核理论 · 物理学 2011-03-02 Partha Roy Chowdhury , G. Gangopadhyay , Abhijit Bhattacharyya