Oevers, M.,, Davies, C. and Shigemitsu, J. (2001) Towards the application of the maximum entropy method to finite temperature Upsilon spectroscopy. Nuclear Physics, Section B, Proceedings Supplements, 94(1-3), 423 -426. (doi: 10.1016/S0920-5632(01)00994-X)
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Publisher's URL: http://dx.doi.org/10.1016/S0920-5632(01)00994-X
Abstract
According to the Narnhofer Thirring theorem interacting systems at finite temperature cannot be described by particles with a sharp dispersion law. It is therefore mandatory to develop new methods to extract particle masses at finite temperature. The maximum entropy method offers a path to obtain the spectral function of a particle correlation function directly. We have implemented the method and tested it with zero temperature Upsilon correlation functions obtained from an NRQCD simulation. Results for different smearing functions are discussed.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Davies, Professor Christine |
| Authors: | Oevers, M.,, Davies, C., and Shigemitsu, J. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Nuclear Physics, Section B, Proceedings Supplements |
| Publisher: | Elsevier BV |
| ISSN: | 0920-5632 |
| ISSN (Online): | 1873-3832 |
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