Computer Physics Communications 137 (2001) 405–414 www.elsevier.com/locate/cpc LINDEN: Code for level density calculations of deformed nuclei using Lipkin–Nogami projectors in the BCS approach O. Rodríguez a,1 , F. García b , H. Dias a , J. Mesa a,∗ , J.D.T. Arruda-Neto a,c , E. Garrote d , F. Guzmán e a Instituto de Física. Universidade de São Paulo, C.P. 66318, 05315-970, São Paulo, Brazil b Universidade Estadual de Santa Cruz, Ilheus, Bahia, Brazil c Universidade de Santo Amaro/ UNISA, São Paulo, Brazil d Departamento de Física Teórica, UAM, Madrid, Spain e Instituto Superior de Ciencias y Tecnología Nucleares, La Habana, Cuba Received 29 June 2000; accepted 28 November 2000 Abstract A numerical code to evaluate the level density for deformed nuclei based on the semimicroscopical combined method is presented. It includes the use of combinatorial and statistical approaches for low and high energies respectively; both calculations are carried out in the framework of the BCS with the Lipkin–Nogami pairing model.  2001 Elsevier Science B.V. All rights reserved. PACS: 23.70.+j; 23.90+Wg; 25.85.Ca PROGRAM SUMMARY Title of program: LINDEN Catalogue identiﬁer: ADOC Program summary URL: http://cpc.cs.qub.ac.uk/summaries/ADOC Program obtainable from: CPC Program Library, Queen’s Univer- sity of Belfast, N. Ireland Licensing provisions: none Computer for which the program is designed and others on which it has been tested: Micro-computer with Intel 80486+80487, and Pentium Intel II Installation: Laboratory of Calculus, Instituto de Física, Universi- dade de São Paulo, Brazil; Department of Theoretical Physics, In- stituto Superior de Ciencias y Tecnología Nucleares, Havana, Cuba Operating system: MS-DOS 6.00, Windows 95 and Windows NT 4.0 Program language used: Fortran-77 as implemented in Microsoft Fortran Version 5.1 Memory required to execute with typical data: 5 Mbytes of RAM memory and 100 Mb of hard disk memory * Corresponding author. E-mail address: joel@if.usp.br (J. Mesa). 1 Permanent address: Instituto Superior de Ciencias y Tecnología Nucleares, P.O. Box 6163, La Habana, Cuba. 0010-4655/01/$ – see front matter  2001 Elsevier Science B.V. All rights reserved. PII:S0010-4655(01)00156-4