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Producing intense radioactive beams, in particular those consisting of short-lived isotopes requires the control of the release efficiency. The released fractions of 11 elements were measured on 14 samples that were characterized by various…

To study the influence of the structural properties of UCx targets on their release properties, several types of targets using different precursors (carbon and uranium) were synthesized, characterized, irradiated and heated leading to the…

Instrumentation and Detectors · Physics 2020-12-09 Julien Guillot , Brigitte Roussière , Sandrine Tusseau-Nenez , Denis S. Grebenkov , Maxime Ignacio

We review the diffuse scattering and the loss coefficient in ultracold neutron reflection from slightly rough surfaces, report a surprising reduction in loss coefficient due to roughness, and discuss the possibility of transition from…

Other Condensed Matter · Physics 2010-12-23 A. Steyerl , S. S. Malik , A. M. Desai , C. Kaufman

Friction is a ubiquitous phenomenon that greatly affects our everyday lives and is responsible for large amounts of energy loss in industrialised societies. Layered materials such as graphene have interesting frictional properties and are…

Applied Physics · Physics 2020-02-04 David Andersson , Astrid S. de Wijn

The space charge limited emission of ions from a target in the focus of an intense relativistic electron beam is studied analytically for the case of a spatially varying target density profile. In particular, the emission in the presence of…

Accelerator Physics · Physics 2007-05-23 George J. Caporaso

The finite nuclear thickness affects the energy density $\epsilon(t)$ and conserved-charge densities such as the net-baryon density $n_B(t)$ produced in heavy ion collisions. While the effect is small at high collision energies where the…

Nuclear Theory · Physics 2022-08-16 Zi-Wei Lin , Todd Mendenhall

During their exposure, nuclear emulsion sheets detect both tracks from experiment-related particles, as well as a considerable amount of background tracks, mainly due to cosmic rays. Unless the exposure has been fairly short, it is…

High Energy Physics - Experiment · Physics 2009-10-31 G. Brooijmans

High electronic excitations in radiation of metallic targets with swift heavy ion beams at the coulomb barrier play a dominant role in the damaging processes of some metals. The inelastic thermal spike model was developed to describe tracks…

Instrumentation and Detectors · Physics 2020-03-18 Christelle Stodel , Marcel Toulemonde , Christoph Fransen , Bertrand Jacquot , Emmanuel Clément , Christian Dufour

A fully relativistic approach is presented for the calculation of the bremsstrahlung emitted by an electron scattered off an ionic target. The ionic target is described as a combination of an effective Coulomb potential and a finite-range…

The release properties of 4 targets (UC2, UC, UBC, UB2) were measured for 11 elements (Kr, Sr, Ru, Sn, Sb, Te, I, Cs, Ba, La, and Ce) using an off-line technique. The crystal packing fraction and the size of the studied element play a key…

This paper presents the studies on the influence of the target material impurities on physical observables registered in heavy ion collisions collected by fixed target experiments. It mainly concerns the measures of multiplicity…

Nuclear Experiment · Physics 2018-08-31 D. Banas , A. Kubala-Kukus , M. Rybczynski , I. Stabrawa , G. Stefanek

Based on available models and experimental data, the sputtering of target atoms in long-term experiments with intense heavy ion (HI) beams has been considered. The experiments on the synthesis of superheavy nuclei (SHN), which are carried…

Atomic Physics · Physics 2024-08-19 R. N. Sagaidak

What effect do particle-emitting resonances have on the scattering cross section? What physical considerations are necessary when modelling these resonances? These questions are important when theoretically describing scattering experiments…

Recent developments in thin-film fabrication and processing open up interesting possibilities for both established and emerging optics technologies. There, one of the key questions requiring more complete understanding is by how much one…

Optics · Physics 2025-01-03 Pyry Kivisaari , Mikko Partanen , Jani Oksanen

We investigate the potential of short-baseline experiments in order to measure the dispersion relation of the (muon) neutrino, with a prospect of eventually measuring the neutrino mass. As a byproduct, the experiment would help to constrain…

High Energy Physics - Phenomenology · Physics 2014-02-27 U. D. Jentschura , D. Horvath , S. Nagy , I. Nandori , Z. Trocsanyi , B. Ujvari

Using the transport and magnetization measurements the influence of neutron irradiation at a fluence of 5x10$^{17}$ n cm$^{-2}$ on (B0.65C0.35)Ba1.4Sr0.6Ca2Cu3Oz has been investigated. The neutron irradiation was found to decrease critical…

Superconductivity · Physics 2015-06-25 V. Mihalache , A. Totovana , V. Sandu , S. Popa , G. Aldica , A. Iyo

Rutherford backscattering and particle induced x-ray emission have been utilized to precisely characterize targets used in nuclear fission experiments. The method allows for a fast and non destructive determination of target thickness,…

Nuclear Experiment · Physics 2009-10-30 Th. Rubehn , G. J. Wozniak , L. Phair , L. G. Moretto , Kin M. Yu

Neutron skin is an exotic phenomena in unstable nuclei. The various effects in nuclear reactions caused by the neutron skin and also its relation with the properties of nuclear structure are reviewed in this article. Based on numerous…

Nuclear Theory · Physics 2024-09-12 Meng-Qi Ding , De-Qing Fang , Yu-Gang Ma

Spin-degrees of freedom play a significant role in exotic nuclei. Scattering with polarized protons has potential as a powerful tool to explore the spin effects in nuclei. This lecture note discusses the background, current status, and…

Nuclear Experiment · Physics 2016-12-06 Tomohiro Uesaka

The radiative decay of the massive neutrino $\nu_i \rightarrow \nu_j \gamma$ is investigated in the framework of the Standard Model in external electromagnetic fields of various configurations: constant crossed field, constant uniform…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. A. Gvozdev , N. V. Mikheev , L. A. Vassilevskaya
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