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Collisions of deformed uranium nuclei provide a unique opportunity to study the spatial dependence of charmonium in-medium effects. By selecting the orientations of the colliding nuclei, different path lengths through the nuclear medium…

Nuclear Experiment · Physics 2011-11-22 Daniel Kikoła , Grazyna Odyniec , Ramona Vogt

Every country that has made nuclear weapons has used uranium enrichment. Despite the centrality of this technology to international security, there is still no reliable physical marker of past enrichment that can be used to perform forensic…

Instrumentation and Detectors · Physics 2021-07-20 Rachel C. Connick , Charles A. Hirst , Kevin B. Woller , Julie V. Logan , R. Scott Kemp , Michael P. Short

Over 10 years ago we proposed an experiment on measuring the characteristics of radiative neutron decay in papers [1, 2]. At the same time we had published the theoretical spectrum of radiative gamma quanta, calculated within the framework…

Nuclear Experiment · Physics 2015-05-13 R. U. Khafizov , S. V. Tolokonnikov , V. A. Solovei , M. R. Kolhidashvili

Electromagnetic fission cross sections for the reactions U + (Be, C, Al, Cu, In, Au, U) at E/A = 0.6 and 1.0 GeV are compared to theoretical calculations using recently proposed quantum-mechanical equivalent-photon spectra. In contrast to…

Nuclear Experiment · Physics 2008-11-26 Th. Rubehn , W. F. J. Mueller , W. Trautmann

Considering neutrinos as time-like leptons one may estimate the three-body decay probability of muon neutrinos in long base-line accelerator experiments. In the extreme assumption of time-space symmetry the absolute value of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vo Van Thuan , Nguyen Tuan Anh , Le Huu Thang

Historic data from many countries demonstrate that on average no more than 50-70% of the uranium in a deposit could be mined. An analysis of more recent data from Canada and Australia leads to a mining model with an average deposit…

Physics and Society · Physics 2015-03-19 Michael Dittmar

Heavy hadron molecules were first theorized from a crude analogy with the deuteron and the nuclear forces binding it, a conjecture which was proven to be on the right track after the discovery of the $X(3872)$. However, this analogy with…

High Energy Physics - Phenomenology · Physics 2020-04-14 Manuel Pavon Valderrama

Employing the isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model, the 1 GeV/nucleon deformed uranium-uranium ultra-central collisions are simulated. Based on sensitive observables, mean square collective flow and pion meson…

Nuclear Theory · Physics 2024-03-29 Zu-Xing Yang , Xiao-Hua Fan , Zhi-Pan Li , Shunji Nishimura

Binary neutron star mergers are plausible progenitor candidates for short gamma-ray bursts (GRBs); however, a detailed explanation of their central engine is still lacking. The annihilation of neutrino pairs has been proposed as one of the…

High Energy Astrophysical Phenomena · Physics 2017-08-02 Albino Perego , Hannah Yasin , Almudena Arcones

The secondary neutron fields at the deep tumor therapy terminal at HIRFL (Heavy Ion Research Facility in Lanzhou) were investigated. The distributions of neutron ambient dose equivalent were measured with a FHT762 Wendi-II neutron ambient…

Medical Physics · Physics 2017-06-28 Jun-Kui Xu , You-Wu Su , Wu-Yuan Li , Wei-Wei Yan , Zong-Qiang Li , Wang Mao , Cheng-Guo Pang , Chong Xu

Results of numerical simulations of fusion rate d(d,p)t, for low-energy deuteron beam, colliding with deuterated metallic matrix (Raiola et al. Phys. Lett.B 547 (2002) 193 and Eur. Phys J. A 13 (2002) 377) confirm analytical estimate given…

Nuclear Theory · Physics 2009-11-10 M. Coraddu , G. Mezzorani , Yu. V. Petrushevich , P. Quarati , A. N. Starostin

Some critical comments and remarks on the article "Comparison of two experiments on radiative neutron decay" by R.U.Khafizov et al., published in Physics of Atomic Nuclei.

Nuclear Experiment · Physics 2010-06-23 I. A. Kuznetsov

We warn of the potential nuclear proliferation's consequences of military applications of nano- or microgram amounts of antimatter, such as triggering of high-yield thermonuclear explosions, laser pumping, compact sources of energy,…

Physics and Society · Physics 2007-05-23 Andre Gsponer , Jean-Pierre Hurni

Heavy ion cross sections totaling several hundred barns have been calculated previously for the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). These total cross sections are more than an order of magnitude…

In the space environment, instruments onboard of spacecrafts can be affected by displacement damage due to radiation. The differential scattering cross section for screened nucleus--nucleus interactions - i.e., including the effects due to…

The total neutron-Nucleus cross section has been calculated within an approach which takes into account nucleon-nucleon correlations, Glauber multiple scattering and inelastic shadowing corrections. Nuclear targets ranging from 4He to 208Pb…

Nuclear Theory · Physics 2007-05-25 M. Alvioli , C. Ciofi degli Atti , I. Marchino , H. Morita , V. Palli

We perform a complete calculation of $\alpha\,(Z\,\alpha)^5\,m$ radiative corrections to the finite nuclear size, the recoil finite size and the nuclear polarizability effects in atomic systems. Results confirm very good agreement for the…

Atomic Physics · Physics 2025-07-22 Krzysztof Pachucki

The usage of nuclear emulsion with molybdenum filling for observation of $\beta\beta$ decay are shown to be possible. Estimates for 1 kg of $^{100}$Mo with zero background give the sensitivity for the $0\nu\beta\beta$ decay of $^{100}$Mo at…

The universal radiative corrections common to neutron and super-allowed nuclear beta decays (also known as ``inner'' corrections) are revisited in light of a recent dispersion relation study that found $+2.467(22)\%$, i.e.~about $2.4\sigma$…

High Energy Physics - Phenomenology · Physics 2019-10-30 Andrzej Czarnecki , William J. Marciano , Alberto Sirlin

A new type nuclear reaction on 159Tb with neutrons and protons in the incident channels and a bound dineutron (2n) in the output channel is considered based on available experimental observations. The dineutron is assumed to be separated…

Nuclear Experiment · Physics 2018-01-30 I. M. Kadenko