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We investigate the possibilities of producing neutron-rich nuclides in projectile fission of heavy beams in the energy range of 20 MeV/nucleon expected from low-energy facilities. We report our efforts to theoretically describe the reaction…

Nuclear Experiment · Physics 2016-12-28 N. Vonta , G. A. Souliotis , W. D. Loveland , Y. K. Kwon , K. Tshoo , S. C. Jeong , M. Veselsky , A. Bonasera , A. Botvina

Exotic beams of short-lived radioisotopes are produced in nuclear reactions such as thermal neutron induced fission, target or projectile fragmentation and fusion reactions. For a given radioactive ion beam (RIB), different production modes…

Accelerator Physics · Physics 2009-09-25 J. A. Lettry

We report on the design, installation, and test of an experimental facility for the production of ultra-cold atomic isotopes and isomers of cesium. The setup covers a broad span of mass numbers and nuclear isomers, allowing one to directly…

The IsoDAR sterile-neutrino search requires a very high intensity neutrino source. For IsoDAR, this high intensity is produced using the high neutron flux from a 60 MeV, 10 mA proton beam striking a beryllium target that floods a sleeve of…

Accelerator Physics · Physics 2019-09-19 Adriana Bungau , Jose Alonso , Larry Bartoszek , Janet M. Conrad , Edward Dunton , Michael H. Shaevitz

The optimization of the microstructure of the UCx target is a key point since many years in the field of ISOL method. The ultimate goal is to facilitate the release of the fission products, especially those with short half-lives. Fourteen…

The TULIP project aims to produce radioactive ion beams of short-lived neutron-deficient isotopes by using fusion-evaporation reactions in an optimized Target Ion Source System (TISS). The first step consisted of the design of a TISS to…

Instrumentation and Detectors · Physics 2023-05-31 V. Bosquet , P. Jardin , M. MacCormick , C. Michel

A possibility of synthesizing neutron-reach super-heavy elements in spallation targets of Accelerator Driven Systems (ADS) is considered. A dedicated software called Nuclide Composition Dynamics (NuCoD) was developed to model the evolution…

Instrumentation and Detectors · Physics 2015-12-09 Igor Mishustin , Yury Malyshkin , Igor Pshenichnov , Walter Greiner

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…

Contemporary ultraintense, short-pulse laser systems provide extremely compact setups for the production of high-flux neutron beams, such as those required for nondestructive probing of dense matter, research on neutron-induced damage in…

The cross sections for the formation of five residual radionuclides (72Se, 97Zr, 112Pd, 125Sb, and 147Nb) from 40- to 200-MeV proton irradiation of thorium have been measured and are reported. The atomic masses of these fragments span the…

The bulk irradiation of materials with 10-30 MeV protons promises to advance the study of radiation damage for fission and fusion power plants. Intermediate energy proton beams can now be dedicated to materials irradiation within…

We report here an empirical formalism for predicting the cross-sections of neutron-rich nuclei produced in fragmentation of relativistic \b{eta}-unstable neutron-rich projectiles in the mid-mass region. The formalism is based on the…

Nuclear Theory · Physics 2020-12-04 Debasis Bhowmick , Siddhartha Dechoudhury , Vaishali Naik , Alok Chakrabarti

The Accurate fission data for nuclear safety (AlFONS) project aims at high precision measurements of fission yields, using the renewed IGISOL mass separator facility in combination with a new high current light ion cyclotron at the…

The simultaneous measurement of the isotopic fission-fragment yields and fission-fragment velocities of $^{239}$U has been performed for the first time. The $^{239}$U fissioning system was produced in one-neutron transfer reactions between…

The production of transuranium isotopes has been demonstrated at the Isotope Separation and ACceleration (ISAC) facility. In particular a laser-ionized $^{239}$Pu beam, extracted from a uranium carbide target, was investigated. The…

Nuclear Experiment · Physics 2023-05-19 Peter Kunz , Corina Andreoiu , Fatima H. Garcia , Jens Lassen

We studied the production of neutron-rich nuclides in multinucleon transfer collisions of stable and radioactive beams in the mass range A=40-60. We first presented our experimental cross section data of projectile fragments from the…

Neutron sources can play a variety of roles in warhead verification. For transmission radiography, a source of directed high energy neutrons is required, while for applications to detect fissile isotopes, sub-MeV neutrons are preferred. The…

Instrumentation and Detectors · Physics 2025-03-19 Jihye Jeon , Erik P. Gilson , Michael Hepler , Alexander Glaser , Robert J. Goldston

The possibility to use the ultrashort ion bunches produced by circularly polarized laser pulses to drive a source of fusion neutrons with sub-optical cycle duration is discussed. A two-side irradiation of a thin foil deuterated target…

Plasma Physics · Physics 2007-05-23 A. Macchi

We propose to produce neutron-rich nuclei in the range of the astrophysical r-process around the waiting point N=126 by fissioning a dense laser-accelerated thorium ion bunch in a thorium target (covered by a CH2 layer), where the light…

Nuclear Experiment · Physics 2015-05-19 D. Habs , P. G. Thirolf , M. Gross , K. Allinger , J. Bin , A. Henig , D. Kiefer , W. Ma , J. Schreiber

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
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