Distribution function of the end-to-end vector for short polymer chains

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Abstract
A method is presented for the evaluation of the end‐to‐end vector distribution function for short polymer chains. The method is based on the expansion of this quantity in terms of a spherical harmonic series and is related with a very efficient algorithm recently proposed by Fixman et al. for the calculation of high moments. Numerical results are reported for a rotational isomeric representation of short polymethylene chains. The results are compared to those obtained earlier by other authors with an alternative procedure and the advantages of the new scheme are stressed.