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Decay of $^{210}$Po compound nucleus formed in light and heavy-ion induced fusion reactions has been analyzed simultaneously using a consistent prescription for fission barrier and nuclear level density incorporating shell correction and…

核实验 · 物理学 2015-09-30 K. Mahata , S. Kailas , S. S. Kapoor

Relativistic collision of isobaric systems is found to be valuable in differentiating the nucleon distributions for nuclei with the same mass number. In recent contrast experiment of $^{96}_{44}\text{Ru}+^{96}_{44}\text{Ru}$ versus…

核理论 · 物理学 2023-06-29 Yi-Lin Cheng , Shuzhe Shi , Yu-Gang Ma , Horst Stöcker , Kai Zhou

Fission events from Special Nuclear Material (SNM), such as highly enriched uranium or plutonium, can produce simultaneous emission of multiple neutrons and high energy gamma-rays. The observation of time correlations between any of these…

仪器与探测器 · 物理学 2011-05-12 M. Sweany , A. Bernstein , N. S. Bowden , S. Dazeley , G. Keefer , R. Svoboda , M. Tripathi

I discuss the p_t distributions for high-multiplicity events originating from semi-classical variation of the gluon density of the proton.The multiplicity distribution measures the curvature of the effective action for the small-x gluon…

高能物理 - 唯象学 · 物理学 2007-05-23 A. Dumitru

Our understanding of nuclear fission, a fundamental nuclear decay, is still incomplete due to the complexity of the process. In this paper, we describe a study of spontaneous fission using the symmetry-unrestricted nuclear density…

核理论 · 物理学 2009-08-18 A. Staszczak , A. Baran , J. Dobaczewski , W. Nazarewicz

Triple-differential cross sections for neutrons from high-multiplicity La-La collisions at 250 and 400 MeV per nucleon and Nb-Nb collisions at 400 MeV per nucleon were measured at several polar angles as a function of the azimuthal angle…

Detailed information on the fission process can be inferred from the observation, modeling and theoretical understanding of prompt fission neutron and $\gamma$-ray~observables. Beyond simple average quantities, the study of distributions…

We discuss multiplicity fluctuations of charged particles produced in nuclear collisions measured event-by-event by the NA49 experiment at CERN SPS within the Glauber Monte Carlo approach. We use the concepts of wounded nucleons and wounded…

高能物理 - 唯象学 · 物理学 2020-01-22 Maksym Deliyergiyev , Maciej Rybczynski

Multiparticle spike-production process is investigated in central C-Cu collisions at 4.5 $A$ Gev/c per nucleon. The study is based on two different hypotheses - stochastic vs. coherent - of the formation of spikes. To observe manifestations…

高能物理 - 唯象学 · 物理学 2007-05-23 G. L. Gogiberidze , L. K. Gelovani , E. K. Sarkisyan

Eighty years after its experimental discovery, a microscopic description of induced nuclear fission based solely on the interactions between neutrons and protons and quantum many-body methods still poses formidable challenges. The goal of…

核理论 · 物理学 2015-06-17 N. Schunck , D. Duke , H. Carr , A. Knoll

With large volumes of data available from LHC, it has become possible to study the multiplicity distributions for the various possible behaviours of the multiparticle production in collisions of relativistic heavy ion collisions, where a…

核实验 · 物理学 2015-01-16 Ramni Gupta

Charged-particle multiplicity distributions are an interesting tool to study both soft- and hard-QCD processes in hadronic collisions. Since last century a significant range of center-of-mass energies has been probed, ranging from a few GeV…

高能物理 - 唯象学 · 物理学 2017-12-01 Anton Alkin

We developed a method superposing two different fission modes calculated in a four-dimensional Langevin model to obtain more accurate fission fragment yield and total kinetic energy (TKE). The two fission modes correspond to the standard I…

核理论 · 物理学 2024-12-10 Kazuki Fujio , Shin Okumura , Chikako Ishizuka , Satoshi Chiba , Tatsuya Katabuchi

An overview is given on some of the main advances in experimental methods, experimental results and theoretical models and ideas of the last years in the field of nuclear fission. New experimental approaches extended the availability of…

核理论 · 物理学 2019-01-16 Karl-Heinz Schmidt , Beatriz Jurado

Higher-order cumulants of the net-baryon multiplicity distributions are predicted to be sensitive to the properties of the nuclear matter created in high-energy nuclear collisions. In this talk, we present the collision centrality and…

核实验 · 物理学 2021-02-03 Toshihiro Nonaka

In the present paper, we explore the idea of isospin conservation in new situations and contexts based on the directions provided by our earlier works. We present the results of our calculations for the relative yields of neutron-rich…

核理论 · 物理学 2019-11-19 S. Garg , B. Maheshwari , D. Choudhury , A. K. Jain

Development of nuclear energy applications requires data for neutron-induced reactions for actinides in a wide neutron energy range. Here we describe measurements of pre-neutron emission fission fragment mass yields of 232Th and 238U at…

The multihadron production in nucleus-nucleus collisions and its interrelation with that in (anti)proton-proton interactions are studied by exploring the charged particle mean multiplicity collision-energy and centrality dependencies in the…

高能物理 - 唯象学 · 物理学 2016-04-05 Edward K. G. Sarkisyan , Aditya Nath Mishra , Raghunath Sahoo , Alexander S. Sakharov

Multiplicity fluctuations of positively, negatively and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV. The multiplicity distributions and their scaled variances are…

核实验 · 物理学 2013-05-29 The NA49 Collaboration , B. Lungwitz

I examine the phenomenology of particle multiplicity distributions, with special emphasis on the low multiplicities that are a background in the study of rapidity gaps. In particular, I analyze the multiplicity distribution in a rapidity…

高能物理 - 唯象学 · 物理学 2009-10-28 Jon Pumplin