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Manuscript Title: SLHAplus: a library for implementing extensions of the standard model
Authors: G. Bélanger, Neil D. Christensen, A. Pukhov, A. Semenov
Program title: SLHAplus_1.1
Catalogue identifier: AEHX_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 182(2011)763
Programming language: C.
Computer: IBM PC, MAC.
Operating system: UNIX (Linux, Darwin, Cygwin).
RAM: 2000 MB
Keywords: Beyond Standard Model, SLHA, matrix element and event generators.
PACS: 95.35.+d, 14.80.Ly, 12.60.Jv.
Classification: 11.1.

Nature of problem:
Implementation of extensions of the standard model in matrix element and event generators and codes for dark matter observables.

Solution method:
For generic extensions of the standard model we provide routines for reading files that adopt the standard format of the SUSY Les Houches Accord (SLHA) file. The procedure has been generalised to take into account an arbitrary number of blocks so that the reader can be used in generic models including non supersymmetric ones. The library also contains routines to diagonalise real and complex mass matrices with either unitary or bi-unitary transformations as well as routines for evaluating the running strong coupling constant, running quark masses and effective quark masses.

Running time:
0.001 sec