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Studies of Transverse Momentum Dependent Parton Distributions and Bessel Weighting
Aghasyan, M., Avakian, H., De Sanctis, E., Gamberg, L., Mirazita, M. und Musch, B. (2015) Studies of Transverse Momentum Dependent Parton Distributions and Bessel Weighting. arXiv.org.Veröffentlichungsdatum dieses Volltextes: 05 Aug 2015 12:58
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DOI zum Zitieren dieses Dokuments: 10.5283/epub.32308
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Zusammenfassung
In this paper we present a new technique for analysis of transverse momentum dependent parton distribution functions, based on the Bessel weighting formalism. The procedure is applied to studies of the double longitudinal spin asymmetry in semi-inclusive deep inelastic scattering using a new dedicated Monte Carlo generator which includes quark intrinsic transverse momentum within the generalized ...
In this paper we present a new technique for analysis of transverse momentum dependent parton distribution functions, based on the Bessel weighting formalism. The procedure is applied to studies of the double longitudinal spin asymmetry in semi-inclusive deep inelastic scattering using a new dedicated Monte Carlo generator which includes quark intrinsic transverse momentum within the generalized parton model. Using a fully differential cross section for the process, the effect of four momentum conservation is analyzed using various input models for transverse momentum distributions and fragmentation functions. We observe a few percent systematic offset of the Bessel-weighted asymmetry obtained from Monte Carlo extraction compared to input model calculations, which is due to the limitations imposed by the energy and momentum conservation at the given energy/ Q 2 . We find that the Bessel weighting technique provides a powerful and reliable tool to study the Fourier transform of TMDs with controlled systematics due to experimental acceptances and resolutions with different TMD model inputs.
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| Dokumentenart | Artikel | ||||
| Titel eines Journals oder einer Zeitschrift | arXiv.org | ||||
| Datum | 2015 | ||||
| Institutionen | Nicht ausgewählt | ||||
| Identifikationsnummer |
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| Stichwörter / Keywords | SIDIS, parton intrinsic transverse momentum, azimuthal moments | ||||
| Dewey-Dezimal-Klassifikation | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status | Veröffentlicht | ||||
| Begutachtet | Nein, diese Version wurde noch nicht begutachtet (bei preprints) | ||||
| An der Universität Regensburg entstanden | Ja | ||||
| URN der UB Regensburg | urn:nbn:de:bvb:355-epub-323089 | ||||
| Dokumenten-ID | 32308 |

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