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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., Musch, B., Prokudin, A. und Rossi, P. (2015) Studies of Transverse Momentum Dependent Parton Distributions and Bessel Weighting. Journal of High Energy Physics 2015, art39.Veröffentlichungsdatum dieses Volltextes: 05 Aug 2015 12:56
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.32309
Dies ist die aktuelle Version dieses Eintrags.
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 | Journal of High Energy Physics | ||||
| Verlag: | Springer | ||||
|---|---|---|---|---|---|
| Band: | 2015 | ||||
| Seitenbereich: | art39 | ||||
| Datum | 9 März 2015 | ||||
| Zusätzliche Informationen (Öffentlich) | Projekt SCOAP3 | ||||
| Institutionen | Nicht ausgewählt | ||||
| Identifikationsnummer |
| ||||
| Stichwörter / Keywords | Deep Inelastic Scattering; Parton Model; QCD | ||||
| Dewey-Dezimal-Klassifikation | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status | Veröffentlicht | ||||
| Begutachtet | Ja, diese Version wurde begutachtet | ||||
| An der Universität Regensburg entstanden | Ja | ||||
| URN der UB Regensburg | urn:nbn:de:bvb:355-epub-323092 | ||||
| Dokumenten-ID | 32309 |
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