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Scientific paper - Original scientific paper
Investigation of the p–Σ0 interaction via femtoscopy in pp collisions
Physics Letters B, 805 (2020); 135419. https://doi.org/10.1016/j.physletb.2020.135419
(ALICE Collaboration) Acharya, S.; , ; Antičić, Tome; , ; Erhardt, Filip; , ; Gotovac, Sven; , ; Jerčić, Marko; , ; Lončar, Petra; , ; Mudnić, Eugen; , ; Planinić, Mirko; , ; Poljak, Nikola; , ; Simatović, Goran; , ; Utrobičić, Antonija; , ; Vicković, Linda; , ; Zurlo, N. More authors...

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Acharya, S., Antičić, T., Erhardt, F., Gotovac, S., Jerčić, M., Lončar, P. ... Zurlo, N. (2020). Investigation of the p–Σ0 interaction via femtoscopy in pp collisions. Physics Letters B, 805.. doi: 10.1016/j.physletb.2020.135419

Acharya, S., et al. "Investigation of the p–Σ0 interaction via femtoscopy in pp collisions." Physics Letters B, vol. 805, 2020. https://doi.org/10.1016/j.physletb.2020.135419

Acharya, S., Tome Antičić, Filip Erhardt, Sven Gotovac, Marko Jerčić, Petra Lončar, Eugen Mudnić, et al. "Investigation of the p–Σ0 interaction via femtoscopy in pp collisions." Physics Letters B 805 (2020). https://doi.org/10.1016/j.physletb.2020.135419

Acharya, S., et al. (2020) 'Investigation of the p–Σ0 interaction via femtoscopy in pp collisions', Physics Letters B, 805. doi: 10.1016/j.physletb.2020.135419

Acharya S, Antičić T, Erhardt F, Gotovac S, Jerčić M, Lončar P, and sur.. Investigation of the p–Σ0 interaction via femtoscopy in pp collisions. Physics Letters B [Internet]. 2020 [cited 2023 September 21];805. doi: 10.1016/j.physletb.2020.135419

S. Acharya, et al., "Investigation of the p–Σ0 interaction via femtoscopy in pp collisions", Physics Letters B, vol. 805, 2020. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:029082. [Accessed: 21 September 2023]

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Metadata
Title (english)Investigation of the p–Σ0 interaction via femtoscopy in pp collisions
AuthorS. Acharya
Author
...
AuthorTome Antičić
Author
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AuthorFilip Erhardt
Author
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AuthorSven Gotovac
Author
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AuthorMarko Jerčić
Author
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AuthorPetra Lončar
Author
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AuthorEugen Mudnić
Author
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AuthorMirko Planinić
Author
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AuthorNikola Poljak
Author
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AuthorGoran Simatović
Author
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AuthorAntonija Utrobičić
Author
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AuthorLinda Vicković
Author
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AuthorN. Zurlo
CollaborationALICE Collaboration
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
This Letter presents the first direct investigation of the p–0interaction, using the femtoscopy technique in high-multiplicity pp collisions at √s=13 TeV measured by the ALICE detector. The 0is reconstructed via the decay channel to γ, and the subsequent decay of to pπ−. The photon is detected via the conversion in material to e+e−pairs exploiting the capability of the ALICE detector to measure electrons at low transverse momenta. The measured p–0correlation indicates a shallow strong interaction. The comparison of the data to several theoretical predictions obtained employing the Correlation Analysis Tool using the Schrödinger Equation(CATS) and the Lednický–Lyuboshits approach shows that the current experimental precision does not yet allow to discriminate between different models, as it is the case for the available scattering and hypernuclei data. Nevertheless, the p–0correlation function is found to be sensitive to the strong interaction, and driven by the interplay of the different spin and isospin channels. This pioneering study demonstrates the feasibility of a femtoscopic measurement in the p–0channel and with the expected larger data samples in LHC Run 3 and Run 4, the p–0interaction will be constrained with high precision.
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysics Letters B
Numberingvol. 805, 135419
p-ISSN0370-2693
DOIhttps://doi.org/10.1016/j.physletb.2020.135419
URN:NBNurn:nbn:hr:217:029082
Publication2020
Document URLhttps://linkinghub.elsevier.com/retrieve/pii/S0370269320302239
Type of resourceText
Access conditionsOpen access
Terms of useLicence Attribution 4.0 International (CC BY 4.0) icon
Public note© 2020 European Organization for Nuclear Research. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. Received 16 November 2019; received in revised form 27 March 2020; accepted 6 April 2020; available online 9 April 2020; published 10 June 2020.
Created on2020-11-22 15:11:00