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Related papers: Light-Ion-Induced Multifragmentation: The ISiS Pro…

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We describe an apparatus to study the fragmentation of ion-molecule clusters triggered by laser excitation and transfer of an electron from the iodide to the neutral molecule. The apparatus comprises a source to generate ion-molecule…

Chemical Physics · Physics 2023-03-02 Xiaojun Wang , Mahmudul Hasan , Lin Fan , Yibo Wang , Hui Li , Daniel S. Slaughter , Martin Centurion

Heavy Ion Collisions (HIC) represent a unique tool to probe the in-medium nuclear interaction in regions away from saturation. In this report we present a selection of new reaction observables in dissipative collisions particularly…

In ion cancer therapy, high-intensity ion beams are used to treat tumors by taking advantage of the Bragg-Peak. Typical ion therapy centers use particle rates up to $10^{10}$ ions/second for treatment. On the other hand, such intensities…

Instrumentation and Detectors · Physics 2022-02-02 Manuel Christanell , Maximilian Tomaschek , Thomas Bergauer

Differential cross sections for the reaction $\gamma p \to n \pi^+$ have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.725 to 2.875 GeV. Where available, the results obtained…

High Energy Physics - Experiment · Physics 2010-04-06 The CLAS Collaboration , M. Dugger , B. G. Ritchie , J. P. Ball , P. Collins , E. Pasyuk , R. A. Arndt , W. J. Briscoe , I. I. Strakovsky , R. L. Workman

We report on observations of highly-varying Si IV 1402.77 line profiles observed with the Interface Region Imaging Spectrograph (IRIS) during the M-class flare from 2022 January 18 at an unprecedented 0.8 s cadence. Moment analysis of this…

Solar and Stellar Astrophysics · Physics 2022-10-25 Juraj Lorincik , Vanessa Polito , Bart De Pontieu , Sijie Yu , Nabil Freij

The design, construction, and characterization of the Multi-Sampling Ionization Chamber, MuSIC@Indiana, are described. This detector provides efficient and accurate measurement of the fusion cross-section at near-barrier energies. The…

Within the framework of the improved isospin dependent quantum molecular dynamics (ImIQMD) model, the emission of pion in heavy-ion collisions in the region 1 A GeV as a probe of nuclear symmetry energy at supra-saturation densities is…

Nuclear Theory · Physics 2010-01-15 Zhao-Qing Feng , Gen-Ming Jin

The phenomenon of nuclear liquid-gas phase transition is a topic of contemporary interest. In heavy-ion collisions, there is no direct way of accessing the thermodynamic variables like pressure, density, free energy, entropy etc., and…

Nuclear Theory · Physics 2025-01-03 S. Mallik

Using the large acceptance apparatus FOPI, we study pion emission in the reactions (energies in GeV/nucleon are given in parentheses): 40Ca+40Ca (0.4, 0.6, 0.8, 1.0, 1.5, 1.93), 96Ru+96Ru (0.4, 1.0, 1.5), 96Zr+96Zr (0.4, 1.0, 1.5),…

Nuclear Experiment · Physics 2008-11-26 FOPI Collaboration , W. Reisdorf

The fragment production cross sections for 140 MeV/nucleon $^{48,40}$Ca$+^{9}$Be reactions have been calculated by the Heavy Ion Phase Space Exploration (HIPSE) model. Isoscaling behavior is observed. The isoscaling parameters $\alpha$ and…

Nuclear Theory · Physics 2010-01-25 Y. Fu , D. Q. Fang , Y. G. Ma , X. Z. Cai , W. D. Tian , H. W. Wang , W. Guo

We show that the phenomenology of isospin effects on heavy ion reactions at intermediate energies (few AGeV range) is extremely rich and can allow a ``direct'' study of the covariant structure of the isovector interaction in the hadron…

Nuclear Theory · Physics 2008-11-26 M. Di Toro , M. Colonna , G. Ferini , T. Gaitanos , V. Greco , H. H. Wolter

Excitation-energy distributions have been derived from measurements of 5.0-14.6 GeV/c antiproton, proton and pion reactions with $^{197}$Au target nuclei, using the ISiS 4$\pi$ detector array. The maximum probability for producing high…

Recent important progress on the knowledge of multifragmentation and phase transition for hot nuclei, thanks to the high detection quality of the INDRA array, is reported. It concerns i) the radial collective energies involved in hot…

Multiple emission of intermediate-mass fragments has been studied for the collisions of p, $^4$He and $^{12}$C on Au with the $4\pi$ setup FASA. The mean IMF multiplicities (for the events with at least one IMF) are saturating at the value…

A correlation between the production and kinematic properties of the fragments issued of fission and multifragmentation is established in the study of the reaction 136Xe+hydrogen at 1 GeV per nucleon, measured in inverse kinematics at the…

Nuclear Experiment · Physics 2013-02-04 P. Napolitani , K. -H. Schmidt , K. -H. L. Tassan-Got

The thesis presents investigations on the angular and mass distribution of fission fragments on heavy ion induced fission reactions. The present investigations address current issues in heavy ion induced fission reactions like finding the…

Nuclear Experiment · Physics 2009-09-29 T. K. Ghosh

The emission pattern of charged pions has been measured in Au+Au collisions at 1 GeV/nucleon incident energy. In peripheral collisions and at target rapidities, high-energy pions are emitted preferentially towards the target spectator…

The world Heavy Ion Fusion (HIF) Program for inertial fusion energy is looking toward the development and commissioning of several new experiments. Recent and planned upgrades of the facilities at GSI, in Russia, and in Japan greatly…

Accelerator Physics · Physics 2007-05-23 C. M. Celata

A laser-Compton backscattering beam, which we call a `Laser-Electron Photon' beam, was upgraded at the LEPS beamline of SPring-8. We accomplished the gains in backscattered photon beam intensities by factors of 1.5--1.8 with the injection…

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