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dc.contributor.authorAcharya, Shreyasi
dc.contributor.authorAdamová, Dagmar
dc.contributor.authorAdhya, Souvik Priyam
dc.contributor.authorAdler, Alexander
dc.contributor.authorAdolfsson, Jonatan
dc.contributor.authorAggarwal, Madan M.
dc.contributor.authorAglieri Rinella, Gianluca
dc.contributor.authorAgnello, Michelangelo
dc.contributor.authorAgrawal, Neelima
dc.contributor.authorAhammed, Zubayer
dc.contributor.authorAlme, Johan
dc.contributor.authorAltenkaemper, Lucas
dc.contributor.authorErsdal, Magnus Rentsch
dc.contributor.authorFionda, Fiorella Maria Celeste
dc.contributor.authorGrøttvik, Ola Slettevoll
dc.contributor.authorLofnes, Ingrid Mckibben
dc.contributor.authorNystrand, Joakim
dc.contributor.authorRehman, Attiq ur
dc.contributor.authorRøhrich, Dieter
dc.contributor.authorTambave, Ganesh Jagannath
dc.contributor.authorUllaland, Kjetil
dc.contributor.authorWagner, Boris
dc.contributor.authorYang, Shiming
dc.contributor.authorYuan, Shiming
dc.contributor.authorZhou, Zhuo
dc.contributor.authorArsene, Ionut Cristian
dc.contributor.authorBätzing, Paul Christoph
dc.contributor.authorDordic, Olja
dc.contributor.authorLardeux, Antoine Xavier
dc.contributor.authorLindal, Svein
dc.contributor.authorMahmood, Sohail Musa
dc.contributor.authorMalik, Qasim Waheed
dc.contributor.authorRichter, Matthias
dc.contributor.authorRøed, Ketil
dc.contributor.authorSkaali, Toralf Bernhard
dc.contributor.authorTveter, Trine Spedstad
dc.contributor.authorWikne, Jon Christopher
dc.contributor.authorZhao, Chengxin
dc.contributor.authorHelstrup, Håvard
dc.contributor.authorHetland, Kristin Fanebust
dc.contributor.authorKileng, Bjarte
dc.contributor.authorNesbø, Simon Voigt
dc.contributor.authorStoretvedt, Maksim Melnik
dc.contributor.authorLangøy, Rune
dc.contributor.authorLien, Jørgen
dc.contributor.authorAhmad, Shafiq F.
dc.contributor.authorAhn, Sang Un
dc.contributor.authorAiola, Salvatore
dc.contributor.authorAkindinov, Alexander
dc.contributor.authorAl-Turany, Mohammed
dc.contributor.authorALICE, Collaboration
dc.date.accessioned2019-12-06T08:43:00Z
dc.date.available2019-12-06T08:43:00Z
dc.date.created2019-10-20T12:09:13Z
dc.date.issued2019
dc.identifier.citationPhysics Letters B. 2019, 797:134822, 1-13.nb_NO
dc.identifier.issn0370-2693
dc.identifier.urihttp://hdl.handle.net/11250/2632099
dc.descriptionPublished by Elsevier B.V. This is an open access article under the CC BY licensenb_NO
dc.description.abstractThis work presents new constraints on the existence and the binding energy of a possible Λ–Λ bound state, the H-dibaryon, derived from Λ–Λ femtoscopic measurements by the ALICE collaboration. The results are obtained from a new measurement using the femtoscopy technique in Image 1 collisions at TeV and collisions at TeV, combined with previously published results from Image 1 collisions at TeV. The Λ–Λ scattering parameter space, spanned by the inverse scattering length and the effective range , is constrained by comparing the measured Λ–Λ correlation function with calculations obtained within the Lednický model. The data are compatible with hypernuclei results and lattice computations, both predicting a shallow attractive interaction, and permit to test different theoretical approaches describing the Λ–Λ interaction. The region in the plane which would accommodate a Λ–Λ bound state is substantially restricted compared to previous studies. The binding energy of the possible Λ–Λ bound state is estimated within an effective-range expansion approach and is found to be MeV.nb_NO
dc.description.sponsorshipSCOAPnb_NO
dc.language.isoengnb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleStudy of the Λ–Λ interaction with femtoscopy correlations in pp and p–Pb collisions at the LHCnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.rights.holder©2019 The Author(s).nb_NO
dc.subject.nsiVDP::Kjerne- og elementærpartikkelfysikk: 431nb_NO
dc.subject.nsiVDP::Nuclear and elementary particle physics: 431nb_NO
dc.source.pagenumber1-13nb_NO
dc.source.volume797:134822nb_NO
dc.source.journalPhysics Letters Bnb_NO
dc.identifier.doi10.1016/j.physletb.2019.134822
dc.identifier.cristin1738693
cristin.unitcode222,58,4,0
cristin.unitnameInstitutt for mikrosystemer
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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