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Scientific paper - Letter
Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC
Physics Letters B, 833 (2022); 137272. https://doi.org/10.1016/j.physletb.2022.137272
(ALICE Collaboration) Acharya, S.; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Karatović, David; ...; Lončar, Petra; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Vicković, Linda; ...; Zurlo, N. More authors...

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Acharya, S., Erhardt, F., Gotovac, S., Jerčić, M., Karatović, D., Lončar, P. ... Zurlo, N. (2022). Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC. Physics Letters B, 833.. doi: 10.1016/j.physletb.2022.137272

Acharya, S., et al. "Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC." Physics Letters B, vol. 833, 2022. https://doi.org/10.1016/j.physletb.2022.137272

Acharya, S., Filip Erhardt, Sven Gotovac, Marko Jerčić, David Karatović, Petra Lončar, Eugen Mudnić, et al. "Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC." Physics Letters B 833 (2022). https://doi.org/10.1016/j.physletb.2022.137272

Acharya, S., et al. (2022) 'Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC', Physics Letters B, 833. doi: 10.1016/j.physletb.2022.137272

Acharya S, Erhardt F, Gotovac S, Jerčić M, Karatović D, Lončar P, and sur.. Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC. Physics Letters B [Internet]. 2022 [cited 2025 March 28];833. doi: 10.1016/j.physletb.2022.137272

S. Acharya, et al., "Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC", Physics Letters B, vol. 833, 2022. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:667741. [Accessed: 28 March 2025]

Metadata
Title (english)Exploring the NΛ–NΣ coupled system with high precision correlation techniques at the LHC
AuthorS. Acharya
Author
...
AuthorFilip Erhardt
Author
...
AuthorSven Gotovac
Author
...
AuthorMarko Jerčić
Author
...
AuthorDavid Karatović
Author
...
AuthorPetra Lončar
Author
...
AuthorEugen Mudnić
Author
...
AuthorMirko Planinić
Author
...
AuthorNikola Poljak
Author
...
AuthorLinda Vicković
Author
...
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)
The interaction of and hyperons (Y) with nucleons (N) is strongly influenced by the coupled-channel dynamics. Due to the small mass difference of the N and Nsystems, the sizable coupling strength of the N↔N processes constitutes a crucial element in the determination of the N interaction. In this letter we present the most precise measurements on the interaction of p pairs, from zero relative momentum up to the opening of the N channel. The correlation function in the relative momentum space... More for p⊕p pairs measured in high-multiplicity triggered pp collisions at √s = 13 TeV at the LHC is reported. The opening of the inelastic N channels is visible in the extracted correlation function as a cusp-like structure occurring at relative momentum k∗ = 289 MeV/c. This represents the first direct experimental observation of the N ↔ N coupled channel in the p system. The correlation function is compared with recent chiral effective field theory calculations, based on different strengths of the N ↔ N transition potential. A weaker coupling, as possibly supported by the present measurement, would require a more repulsive three-body NNinteraction for a proper description of the in-medium properties, which has implications on the nuclear equation of state and for the presence of hyperons inside neutron stars. Less
Keywords (english)
Languageenglish
Publication typeScientific paper - Letter
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysics Letters B
Numberingvol. 833, 137272
p-ISSN0370-2693
DOIhttps://doi.org/10.1016/j.physletb.2022.137272
URN:NBNurn:nbn:hr:217:667741
Publication2022
Document URLhttps://linkinghub.elsevier.com/retrieve/pii/S0370269322004063
Type of resourceText
Access conditionsOpen access
Terms of useLicence Attribution 4.0 International (CC BY 4.0) icon
Public note© 2022 European Organization for Nuclear Research, ALICE. 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 21 February 2022. Received in revised form 27 May 2022. Accepted 27 June 2022. Available online 4 July 2022.
Created on2024-09-10 20:20:28
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