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LISE++

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LISE++
Developer(s)LISE++ group @ NSCL / MSU
Stable release
9.1.19 / August 08, 2010
Written inC++
Operating systemMicrosoft Windows
TypeSimulation software
LicenseFreeware; LISE++ user license
Websitehttp://www.nscl.msu.edu/lise/


The program LISE++ is designed to predict the intensity and purity of secondary ion beams for experiments using radioactive nuclear beams (RNB) produced by In-flight separators. The LISE++ code also facilitates tuning experiments where its results can be quickly compared to on-line data. The program is constantly expanding and evolving using the feedback of users around the world.

Description

The LISE++ name is borrowed from the well known evolution of the C programming language, and is meant to indicate that the program is no longer limited to a fixed configuration like it was in the original “LISE” program, but can be configured to match any type of device or add to an existing device using the concept of blocks. A very large amount of physics is incorporated in this program, from reaction mechanism models, cross section systematics, electron stripping models, energy loss models to beam optics, just to list a few. All the references for the calculations are directly accessible within the program itself (see the various option windows) and an user is encouraged to consult them for detailed information. Its interface and algorithms are designed to provide a user-friendly environment allowing easy adjustments of the input parameters and quick calculations.

Application

The ability to predict as well as identify on-line the composition of RNBs is therefore of prime importance. This has shaped the main functions of the program:

  • to predict the fragment separator settings necessary to obtain a specific RNB;
  • to predict the intensity and purity of the chosen RNB;
  • to simulate identification plots for on-line comparison;
  • to provide a highly user-friendly graphical environment;
  • to allow configuration for different fragment separators.

The LISE++ package includes configuration files for most of the existing fragment and recoil separators (examples of fragment separators whose configurations are available in LISE++). Projectile fragmentation, fusion–evaporation, fusion–fission, Coulomb fission, abrasion–fission and two body nuclear reactions models are included in this program and can be used as the production reaction mechanism to simulate experiments at beam energies above the Coulomb barrier. It can be used not only to forecast the yields and purities of radioactive beams, but also as an on-line tool for beam identification and tuning during experiments. It can be configured to simulate the fragment separators of various research institutes by means of configuration files.

Utilities

Many “satellite” tools have been incorporated into the LISE++ framework, which are accessible with buttons on the main toolbar and include:

  • Physical calculator
  • Relativistic Kinematics calculator
  • Evaporation calculator
  • Units converter
  • ISOL catcher utility
  • Nuclide and Isomeric state Databases utilities
  • Units converter
  • Stripper foil lifetime utility
  • The program PACE4 (fusion-evaporation code) by A.Gavron et all.
  • Spectrometric calculator by J. Kantele
  • The program CHARGE (charge state distribution code) by Th. Stöhlker et al.
  • The program GLOBAL (charge-state distribution code) by W. E. Meyerhof et al.
  • The program BI (search for 2-dimentional peaks)
  • MOTER by H.A.Thiessen et al.: raytracing code with optimization capabilities operating under MS Windows


See also

Fragment separators at LISE++

and etc.

Simulation programs used to calculate the transport of ion beams


References

  1. "LISE++: Radioactive beam production with in-flight separators", O.B.Tarasov and D.Bazin, NIM B (2008) 4657-4664
  2. "Fusion–fission is a new reaction mechanism to produce exotic radioactive beams", O.B.Tarasov and A.C.C.Villari, NIM B 266 (2008) 4670-4673
  3. "LISE++: design your own spectrometer", O.B.Tarasov and D.Bazin, Nuclear Physics A746 (2004) 411-414
  4. "LISE++ development: application to low-energy fission of projectiles at relativistic energies", O.B.Tarasov, EPJ A25 (2005) 751
  5. "Analysis of momentum distributions of projectile fragmentation products", O.B.Tarasov, Nuclear Physics A734 (2004) 536-540
  6. "Development of the program LISE: application to fusion–evaporation", O.B.Tarasov and D.Bazin, NIM B204 (2003) 174-178
  7. "The code LISE: a new version for 'Windows'", D.Bazin, O.B.Tarasov, M.Lewitowicz, O.Sorlin, Nuclear Physics A701 (2002) 661-665
  8. "The program LISE: a simulation of fragment separators", D.Bazin, O.B.Tarasov, M.Lewitowicz, O.Sorlin, NIM A482 (2002) 307-327
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