Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at √s=7 TeV
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| Title: | Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at √s=7 TeV |
| Author: | LHCb Collaboration Adeva Andany, Bernardo Borsato, Martino Chobanova, Veronika Cid Vidal, Xabier Dosil Suárez, Álvaro Fernández Prieto, Antonio García Pardiñas, Julián Lemos Cid, Edgar Lucio Martínez, Miriam Martínez Santos, Diego Plo Casasus, Máximo Prisciandaro, Jessica Ramos Pernas, Miguel Romero Vidal, Antonio Saborido Silva, Juan José Sanmartín Sedes, Brais Santamarina Ríos, Cibrán Vázquez Regueiro, Pablo Vieites Díaz, María Vázquez Sierra, Carlos |
| Affiliation: | Universidade de Santiago de Compostela. Departamento de Física de Partículas Universidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE) |
| Subject: | Hadron-Hadron scattering (experiments) | Particle correlations and fluctuations | QCD | |
| Date of Issue: | 2017 |
| Publisher: | Springer |
| Citation: | Aaij, R., Adeva, B., Adinolfi, M. et al. Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at √s=7 TeV. J. High Energ. Phys. 2017, 25 (2017). https://doi.org/10.1007/JHEP12(2017)025 |
| Abstract: | Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein correlations is observed in the form of an enhancement of pairs of like-sign charged pions with small four-momentum difference squared. The charged-particle multiplicity dependence of the Bose-Einstein correlation parameters describing the correlation strength and the size of the emitting source is investigated, determining both the correlation radius and the chaoticity parameter. The measured correlation radius is found to increase as a function of increasing charged-particle multiplicity, while the chaoticity parameter is seen to decrease. |
| Publisher version: | https://doi.org/10.1007/JHEP12(2017)025 |
| URI: | http://hdl.handle.net/10347/22655 |
| DOI: | 10.1007/JHEP12(2017)025 |
| ISSN: | 1029-8479 |
| Rights: | © CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
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Except where otherwise noted, this item's license is described as © CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.