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Reliable predictions of light charged particle production in spallation reactions are important to correctly assess gas production in spallation targets. In particular, the helium production yield is important for assessing damage in the…

Nuclear Experiment · Physics 2014-11-20 S. Leray , A. Boudard , J. Cugnon , J. C. David , A. Kelic-Heil , D. Mancusi , M. V. Ricciardi

A new type of metabolizable and efficient radiosensitizer for cancer radiotherapy is presented in this study by combining ultrasmall Au nanoclusters (NCs, <2 nm) with biocompatible coating ligands (glutathione, GSH). The new nano-construct…

A diamond-like carbon circular target is proposed to improve the $\gamma$-ray emission and pair production with lasers intensity of $8\times 10^{22} ~\mathrm{W/cm^2}$ by using two-dimensional particle-in-cell simulations with quantum…

Plasma Physics · Physics 2019-09-04 Ya-Juan Hou , Bai-Song Xie , Chong Lv , Feng Wan , Li Wang , Nureli Yasen , Hai-Bo Sang , Guo-Xing Xia

One of the main results of the ATIC (Advanced Thin Ionization Calorimeter) experiment is a collection of energy spectra of abundant cosmic-ray nuclei: protons, He, C, O, Ne, Mg, Si, Fe measured in terms of energy per particle in the energy…

High Energy Astrophysical Phenomena · Physics 2017-08-01 A. D. Panov , N. V. Sokolskaya , V. I. Zatsepin

The $^{11}$B$(p,\alpha)2\alpha$ fusion reaction is particularly attractive for energy production purposes because of its aneutronic character and the absence of radioactive species among reactants and products. Its exploitation in the…

Plasma Physics · Physics 2021-04-22 Fabio Belloni

This study presents a further step within the ongoing R&D activities for the redesign of the CERN's Antiproton Decelerator Production Target (AD-Target). A first scaled target prototype, constituted of a sliced core made of ten Ta rods -8…

We investigate the effect of a new triple-alpha reaction rate from Ogata et al. (2009) on helium ignition conditions on accreting neutron stars and on the properties of the subsequent type I X-ray burst. We find that the new rate leads to…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Fang Peng , Christian D. Ott

Excitation functions were measured for the production of the 101,100Pd, 102m, 102g,101m,101g,100,99m,99gRh and 97Ru radionuclides by bombardment of 103Rh targets with proton beams up to 70 MeV, some of them for the first time. The new…

Nuclear Experiment · Physics 2018-03-22 F. Tárkányi , F. Ditrói , S. Takács , A. Hermanne , M. Baba , H. Yuki , A. V. Ignatyuk

The nuclear isomeric state $^{229m}$Th with an exceptionally low excitation energy makes the $^{229}$Th isotope a crucial candidate for nuclear clocks and many other applications. Efficient and controllable production of $^{229m}$Th is…

Nuclear Theory · Physics 2024-06-19 Jingyan Zhao , Adriana Pálffy , Christoph H. Keitel , Yuanbin Wu

The set of parameters for alpha-nucleus potential is derived by using the data for both the alpha-decay half-lives and the fusion cross-sections around the barrier for reactions alpha+40Ca, alpha+59Co, alpha+208Pb. The alpha-decay…

Nuclear Theory · Physics 2009-11-11 V. Yu. Denisov , H. Ikezoe

This study focuses on a fuel cell composed of Lithium Deuteride (LiD) in a spherical geometry, in which isotropic monoenergetic neutrons of 0.025 eV (thermal neutrons) are generated at the center. The objective is to investigate the…

Instrumentation and Detectors · Physics 2025-03-14 Serena Fattori , Rino Persiani , Ugo Abundo

High-intensity X-ray sources are essential diagnostic tools for science, technology and medicine. Such X-ray sources can be produced in laser-plasma accelerators, where electrons emit short-wavelength radiation due to their betatron…

Plasma Physics · Physics 2022-03-16 Vojtěch Horný , Miroslav Krůs , Tünde Fülop

A new $\alpha$-emitting isotope $^{214}$U, produced by fusion-evaporation reaction $^{182}$W($^{36}$Ar, 4n)$^{214}$U, was identified by employing the gas-filled recoil separator SHANS and recoil-$\alpha$ correlation technique. More precise…

We used the Atacama Large Millimeter/submillimeter Array (ALMA), covering a nearly contiguous 289 GHz frequency range between 84.2 and 373.2 GHz, to image the continuum and spectral line emission at 1.6\arcsec ($\sim 28$ pc) resolution down…

We employ a multi-scale mechanistic approach to investigate radiation induced cell toxicities and deactivation mechanisms as a function of linear energy transfer in hadron therapy. Our theoretical model consists of a system of Markov chains…

Medical Physics · Physics 2019-05-01 Ramin Abolfath , Yusuf Helo , Lawrence Bronk , Alejandro Carabe , David Grosshans , Radhe Mohan

Charged particle therapy, or so-called hadrontherapy, is developing very rapidly. There is large pressure on the scientific community to deliver dedicated accelerators, providing the best possible treatment modalities at the lowest cost. In…

Accelerator Physics · Physics 2014-11-21 A. Garonna , U. Amaldi , R. Bonomi , D. Campo , A. Degiovanni , M. Garlasché , I. Mondino , V. Rizzoglio , S. Verdú Andrés

Earlier we reported theoretical studies on the probable production of astatine radionuclides from $^{6,7}$Li and $^{9}$Be-induced reactions on natural lead and thalliun targets, respectively. For the first time, in this report, production…

Nuclear Experiment · Physics 2015-05-30 Moumita Maiti , Susanta Lahiri

In the frame of a systematic study of charged particle production routes of medically relevant radionuclei, the excitation function for indirect production of $^{178m}$Ta through $^{nat}$Hf($\alpha$,xn)$^{178}$W-$^{178m}$Ta nuclear reaction…

Nuclear Experiment · Physics 2014-12-02 F. Tárk'anyi , S. Tak'acs , F. Ditrói , A. Hermanne , A. V. Ignatyuk , M. S. Uddin

$^{72}$As is a promising positron emitter for diagnostic imaging that can be employed locally using a $^{72}$Se generator. However, current reaction pathways to $^{72}$Se have insufficient nuclear data for efficient production using…