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EXAMPLE-24Mg-usdb.md

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24Mg Calculation with usdb Interaction

1) Create an XML File with System Description

Command: > cosmoxml
User Input:

  • Enter nucleus name: 24Mg
  • Select model space: sd
  • Select Hamiltonian: usdb
  • Spin projection Jz[0]: (press Enter for default [0])
  • Shift Hamiltonian matrix by J+J- term (y/n)[n]: (press Enter for default n)
  • Create hw rejection (use with Xsysmbs)(y/n)[n]: (press Enter for default n)
  • Create Particle-Hole Rejection (use with XSHLMBSQRR)(y/n)[n]: (press Enter for default n)
  • Create rejection (to be processed by Xsysmbs)(y/n)[n]: (press Enter for default n)
  • Name the system as [24Mg_usdb_M0T0+]: (press Enter for default)
  • Name output xml file as [24Mg_usdb+.xml]: (press Enter for default)

Comment:

An XML file with system description is created. More about system description can be found at www.volya.net - XML Format.

2) Create Basis, Diagonalize the Hamiltonian, determine spins of states, and populate xml file

Command: DEXHVJTcsb 24Mg_usdb+.xml

3) Review States

Command: Xlevels 24Mg_usdb+.xml
User Input:

  • Include this space (y/n)[y]: (press Enter for default y)

Program Output:

0+(1) T=0 0 -87.1044
2+(1) T=0 1.5023 -85.6021
2+(2) T=0 4.1161 -82.9883
4+(1) T=0 4.3724 -82.732
3+(1) T=0 5.075 -82.0294
4+(2) T=0 5.8825 -81.2219
0+(2) T=0 7.3382 -79.7662
2+(3) T=0 7.4817 -79.6227
5+(1) T=0 7.7968 -79.3076
1+(1) T=0 7.8181 -79.2863