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IAEA0954 HFTT.

HFTT, Nuclear Reaction Cross-Sections by Compound-Nucleus Evaporation Model

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1. NAME OR DESIGNATION OF PROGRAM:  HFTT.
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2. COMPUTERS
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Program name Package id Status Status date
HFTT IAEA0954/01 Tested 13-JUN-1995

Machines used:

Package ID Orig. computer Test computer
IAEA0954/01 DEC VAX series DEC VAX 6000
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3. DESCRIPTION OF PROGRAM OR FUNCTION

HFTT calculates nuclear reaction cross sections for target nuclei with mass number A GE 40.  The code can predict the nuclear reaction cross sections induced by  proton, neutron and deuteron in the energy range above a few tens of MeV. The output data are limited in the outgoing channels to proton  and neutron at present. Further work will also include some other outgoing channels.
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4. METHOD OF SOLUTION

The code HFTT employs a combination of the compound nuclear evaporation model and pre-equilibrium exciton model. The description of pre-equilibrium emission of a composite system is based on the formula of Cline. The intranuclear transition rate of Oblozinsky et al. and Kalbach-Cline's expression for the matrix element of the residual interaction are used in the code. The normalization constant of the matrix element is adjustable as an input parameter. The first and second emission particles considered  in the program are n, p, t, 3He, d, 4He and gamma ray. The third emission particles considered are p, n and gamma ray. We chose the initial exciton configuration of n0=3(2p,1h) for nucleon induced nuclear reactions and of n0=3(2p,1h) or n0=4(3p,1h) for deuteron induced reactions. The level densities are calculated by the formula of Gilbert-Cameron. The optical model is used to evaluate the inverse cross sections of the nuclear reactions. In order to reduce  the number of adjustable input parameters, the optical parameters recommended by Becchetti, Perey and Mefadden , which are universal suitable in some range, are used in the program.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS:
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9. STATUS
Package ID Status date Status
IAEA0954/01 13-JUN-1995 Tested at NEADB
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10. REFERENCES

- C.K. Cline:
  Nucl. Phys. A193, 417 (1972).
- P. Oblozinsky et al.:
  Nucl. Phys. A226, 347 (1974).
- A Gilbert et al.:
  Can. J. Phys. 43, 1446 (1965).
- F.D. Beccetti et al.:
  Phys. Rev. 182, 1190 (1969).
- F.G. Perey et al.:
  Atomic Data and Nucl. Data, V. 15, 4 (1975).
- Mefadden:
  Nucl. Phys. 84, 177 (1966).
- H. Liskien et al.:
  J. Nucl. Energy Parts A/B V. 19, 73 (1965).
  Nucl. Phys. 63, 393 (1965).
- Pavlik et al.:
  J. Phys. G. Nucl. Phys. 8, 1283 (1982).
IAEA0954/01, included references:
- Bao Shanglian et al.:
  Progress of Nuclear Data Work in Institute of Heavy Ion Physics.
  Peking University  (September 1987)
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11. MACHINE REQUIREMENTS:
IAEA0954/01
NEA-DB installed the program on a DEC VAX 6000-510 computer.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
IAEA0954/01 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
IAEA0954/01
NEA-DB compiled the program using the VAX Fortran compiler version 6.2 and ran the test cases included in this package under VMS version 6.1.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          B. Shanglian, T. Guoyou, Z. Chunkai,
             H. Feizheng, H. Jimin
          Institute of Heavy Ion Physics
          Peking University
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16. MATERIAL AVAILABLE
IAEA0954/01
File name File description Records
IAEA0954_01.001 Information file 455
IAEA0954_01.002 Fortran Source program 1527
IAEA0954_01.003 Input data for unit 1 8
IAEA0954_01.004 Input data for unit 2 12
IAEA0954_01.005 Input data for unit 3 248
IAEA0954_01.006 Input data for unit 4 7
IAEA0954_01.007 Input data for unit 7 480
IAEA0954_01.008 Input data for unit 8 40
IAEA0954_01.009 Input data for unit 9 240
IAEA0954_01.010 Input data for unit 10 54
IAEA0954_01.011 Input data for unit 11 89
IAEA0954_01.012 Input data for unit 12 1
IAEA0954_01.013 Input data for unit 14 4
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17. CATEGORIES
  • A. Cross Section and Resonance Integral Calculations

Keywords: compound nuclei, deuterons, evaporation model, neutron, nuclear reactions, optical models, protons.