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The influence of nuclear effects on the production of neutral strange particles ($V^{\circ}$) is investigated using the data obtained with SKAT propane-freon bubble chamber irradiated in the neutrino beam (with $E_{\nu}$ = 3-30 GeV) at…

High Energy Physics - Experiment · Physics 2009-11-10 N. M. Agababyan , V. V. Ammosov , M. Atayan , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Ka ramyan , V. A. Korotkov

This study uses classical molecular dynamics to simulate infinite nuclear matter and study the effect of isospin asymmetry on bulk properties such as energy per nucleon, pressure, saturation density, compressibility and symmetry energy. The…

Nuclear Theory · Physics 2014-02-26 J. A. López , E. Ramírez-Homs , R. González , R. Ravelo

The role of neutron-proton pairing correlations on the structure of nuclei along the $N=Z$ line is reviewed. Particular emphasis is placed on the competition between isovector ($T=1$) and isoscalar $(T=0$) pair fields. The expected…

Nuclear Theory · Physics 2014-09-19 Stefan Frauendorf , Augusto O. Macchiavelli

Since the existing calculations of the effective meson mass in nuclear medium involve approximations, it is important to examine whether they satisfy the general requirement of the equivalence theorem that the physical observables should be…

Nuclear Theory · Physics 2009-11-10 S. Kondratyuk , K. Kubodera , F. Myhrer

Using different types of proximity potentials, we have examined the trend of variations of barrier characteristics (barrier height and its position) as well as fusion cross sections for 50 isotopic systems including various collisions of C,…

Nuclear Theory · Physics 2015-06-05 O. N. Ghodsi , R. Gharaei

Using the dcQMD transport model, the isoscalar and isovector in-medium potentials of the $\Delta$(1232) baryon are studied and information regarding their effective strength is obtained from a comparison to experimental pion production data…

Nuclear Theory · Physics 2021-11-24 M. D. Cozma , M. B. Tsang

The effect of changes in hadron properties in a nuclear medium on physical observables is discussed. Highlighted results are, (1) hypernuclei, (2) meosn-nuclear bound states, (3) $K$-meson production in heavy ion collisions, and (4)…

High Energy Physics - Phenomenology · Physics 2017-08-23 K. Tsushima

The relevance of the quasi-two-dimensional spin-1/2 frustrated quantum antiferromagnet due to its possibility of modelling the high-temperature superconducting parent compounds has resulted in numerous theoretical and experimental studies.…

Strongly Correlated Electrons · Physics 2016-02-17 Milica S. Rutonjski , Maja B. Berovic , Milica V. Pavkov Hrvojevic

We study electromagnetic as well as strong isospin breaking effects in the isospin mass splittings of light pseudoscalar and vector mesons. To this end we employ a coupled system of quark Dyson-Schwinger and meson Bethe-Salpeter equations…

High Energy Physics - Phenomenology · Physics 2022-07-20 Ángel S. Miramontes , Reinhard Alkofer , Christian S. Fischer , Hèlios Sanchis-Alepuz

The short-range and tensor correlations associated to realistic nucleon-nucleon interactions induce a population of high-momentum components in the many-body nuclear wave function. We study the impact of such high-momentum components on…

Nuclear Theory · Physics 2012-03-27 Arianna Carbone , Artur Polls , Arnau Rios

Weexperimentally realize the continuously controllable dissipative coupling and coherent coupling induced by different magnon modes and the same anti-resonance. It has been observed that the weaker the microwave magnetic field distribution…

Mesoscale and Nanoscale Physics · Physics 2025-08-13 Zhenhui Hao , Yuping Yao , Kang An , Xiling Li , Chi Zhang , Guozhi Chai

The influence of short-range correlations on the spectral distribution of neutrons is incorporated in the solution of the gap equation for the ${}^3P_2-{}^3F_2$ coupled channel in pure neutron matter. This effect is studied for different…

Nuclear Theory · Physics 2015-02-20 D. Ding , S. J. Witte , W. H. Dickhoff , H. Dussan , A. Rios , A. Polls

A dual-core waveguide with balanced gain and loss in different arms and with intermodal coupling is considered. The system is not invariant under the conventional $PT$ symmetry but obeys $CPT$ symmetry where an additional spatial inversion…

We propose to study the mass spectrum of the heavy-light mesons to probe the structure of the spin-isospin correlation in the nuclear medium. We point out that the spin-isospin correlation in the nuclear medium generates a mixing among the…

High Energy Physics - Phenomenology · Physics 2014-07-02 Daiki Suenaga , Bing-Ran He , Yong-Liang Ma , Masayasu Harada

The leading-particle effect and the factorization property of the scattering amplitude in the impact parameter space are used to study semiclassical production of pions in the central region. The mechanism is related to the isospin-uniform…

High Energy Physics - Phenomenology · Physics 2011-04-15 M. Martinis , V. Mikuta-Martinis , J. Črnugelj

The possibility of the appearance of $\Delta$ isobars in neutron star matter and the so called {\it $\Delta$ puzzle} is studied in a modified quark meson coupling model where the confining interaction for quarks inside a baryon is…

Nuclear Theory · Physics 2017-02-09 H. S. Sahoo , R. N. Mishra , P. K. Panda , N. Barik

We investigate the influence of medium corrections to the pion dispersion relation on the pion dynamics in intermediate energy heavy ion collisions. To do so a pion potential is extracted from the in-medium dispersion relation and used in…

Nuclear Theory · Physics 2008-11-26 C. Fuchs , L. Sehn , E. Lehmann , J. Zipprich , Amand Faessler

The effects of isospin-symmetry breaking on the observables for parity-violating electron scattering are investigated within the framework of the nuclear shell model for 12C, 16O, and 28Si. Contributions due to mixing with low-lying states…

Nuclear Theory · Physics 2009-10-31 W. E. Ormand

The present work is concerned with the issue of spurious coupling effects that are pervasive in fully coupled magneto-mechanical finite element simulations involving very soft non-magnetic or air-like media. We first address the…

Numerical Analysis · Mathematics 2023-02-01 Matthias Rambausek , Joachim Schöberl

Nucleon-nucleon (NN) cross sections are evaluated in neutron-rich matter using a scaling model according to nucleon effective masses. It is found that the in-medium NN cross sections are not only reduced but also have a different isospin…

Nuclear Theory · Physics 2008-11-26 Bao-An Li , Lie-Wen Chen