Pion-kaon femtoscopy in Pb–Pb collisions at √sNN=2.76TeV measured with ALICE

Pandey, Ashutosh Kumar; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration
Peer reviewed, Journal article
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https://hdl.handle.net/11250/2643392
Date
2019
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Original version
Pandey, A. K. (2019). Pion-kaon femtoscopy in Pb–Pb collisions at sNN=2.76TeV measured with ALICE. Nuclear Physics A, 982, 351-354.   10.1016/j.nuclphysa.2018.10.048
Abstract
Femtoscopic correlations between charged pions and kaons for different charge combinations are measured in Pb−Pb collisions at √sNN=2.76 TeV with ALICE at the LHC. The three-dimensional pion-kaon (π−K) correlation functions and double ratios in the out-side-long pair rest frame are studied in different centrality bins. Theπ−K femtoscopic source size parameter (Rout) and emission asymmetry (μout) are extracted. It is observed that the average source size of the system and the emission asymmetry between pions and kaons increase from peripheral to central events.
Publisher
Elsevier
Journal
Nuclear Physics A
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