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EnglishThe joint study of double-parton scattering (DPS) in high-energy proton-proton and proton-nucleus collisions can provide a lot of information on multiparton correlations. The multiparton structure is in fact probed in different ways by DPS in p−p and in p−A collisions. In p−A collisions, the interpretation of the experimental results may be complicated, however, by the presence of interference terms, which are missing in p−p collisions. A suitable reaction channel, where interference terms are absent, is WJJ production. By studying WJJ production in p−Pb collisions, we estimate that the fraction of events due to DPS may be larger by a factor 3 or 4 as compared to p−p, while the amount of the increased fraction can give information on the importance of different correlation terms.
| Titolo: | Double parton scatterings in high-energy proton-nucleus collisions and partonic correlations | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Abstract: | The joint study of double-parton scattering (DPS) in high-energy proton-proton and proton-nucleus collisions can provide a lot of information on multiparton correlations. The multiparton structure is in fact probed in different ways by DPS in p−p and in p−A collisions. In p−A collisions, the interpretation of the experimental results may be complicated, however, by the presence of interference terms, which are missing in p−p collisions. A suitable reaction channel, where interference terms are absent, is WJJ production. By studying WJJ production in p−Pb collisions, we estimate that the fraction of events due to DPS may be larger by a factor 3 or 4 as compared to p−p, while the amount of the increased fraction can give information on the importance of different correlation terms. | |
| Handle: | http://hdl.handle.net/11368/2750501 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevD.89.016020 | |
| URL: | http://link.aps.org/doi/10.1103/PhysRevD.89.016020 | |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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