onr:"swepub:oai:lup.lub.lu.se:b3d31391-bfac-4841-ad41-17749ebfdd21"
Search: onr:"swepub:oai:lup.lub.lu.se:b3d31391-bfac-4841-ad41-17749ebfdd21" > Investigating the c...
- 1 of 1
- Previous record
- Next record
- To hitlist
Investigating the composition of the K0⁎(700) state with π±KS0 correlations at the LHC
-
- Acharya, S. (author)
- Université Clermont Auvergne
-
- Basu, S. (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
-
- Christiansen, P. (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
- show more...
- show less...
- (creator_code:org_t)
- 2024
- 2024
- English.
- In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 0370-2693. ; 856
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The first measurements of femtoscopic correlations with the particle pair combinations π±KS0 in pp collisions at s=13 TeV at the Large Hadron Collider (LHC) are reported by the ALICE experiment. Using the femtoscopic approach, it is shown that it is possible to study the elusive K0⁎(700) particle that has been considered a tetraquark candidate for over forty years. Source and final-state interaction parameters are extracted by fitting a model assuming a Gaussian source to the experimentally measured two-particle correlation functions. The final-state interaction in the π±KS0 system is modeled through a resonant scattering amplitude, defined in terms of a mass and a coupling parameter, The extracted mass and Breit–Wigner width, derived from the coupling parameter, of the final-state interaction are found to be consistent with previous measurements of the K0⁎(700). The small value and increase of the correlation strength with increasing source size support the hypothesis that the K0⁎(700) is a four-quark state, i.e. a tetraquark state of the form (q1,q2‾,q3,q3‾) in which q1, q2 and q3 indicate the flavor of the valence quarks of the π and KS0. This latter trend is also confirmed via a simple geometric model that assumes a tetraquark structure of the K0⁎(700) resonance. © 2024 The Author(s)
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
Find in a library
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (Search for host publication in LIBRIS)
To the university's database
- 1 of 1
- Previous record
- Next record
- To hitlist
Find more in SwePub
- By the author/editor
- Acharya, S.
- Basu, S.
- Christiansen, P.
- Hansen, J.
- Iversen, K.E.
- Matonoha, O.
- show more...
- Nepeivoda, R.
- Ohlson, A.
- Silvermyr, D.
- Staa, J.
- Vislavicius, V.
- Zurlo, N.
- show less...
- About the subject
-
- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
- and Subatomic Physic ...
- Articles in the publication
- Physics Letters, ...
- By the university
- Lund University
Search outside SwePub
- Extend your search to:
- Google Book Search
- Google Scholar
Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.
- Copyright © LIBRIS - National Library Systems
- LIBRIS.kb.se
