Szczegóły publikacji
Opis bibliograficzny
First study of the two-body scattering involving charm hadrons / S. Acharya, [et al.], B. BALIŚ, [et al.], M. GORGOŃ, [et al.], A. HORZYK, [et al.], M. JABŁOŃSKI, [et al.], J. P. KITOWSKI, [et al.], P. J. Konopka, [et al.], S. D. KORYCIAK, [et al.], P. G. RUSSEK, [et al.] // Physical Review. D ; ISSN 2470-0010. — Tytuł poprz.: Physical Review D. Particles, fields, gravitation, and cosmology ; ISSN: 1550-7998. — 2022 — vol. 106 iss. 5 art. no. 052010, s. 052010-1-052010-16. — Bibliogr. s. 052010-9-052010-11, Abstr. — Publikacja dostępna online od: 2022-09-23. — P. J. Konopka - afiliacja: European Organization for Nuclear Research (CERN), Geneva, Switzerland
Autorzy (1039)
Dane bibliometryczne
ID BaDAP | 142699 |
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Data dodania do BaDAP | 2022-10-06 |
Tekst źródłowy | URL |
DOI | 10.1103/PhysRevD.106.052010 |
Rok publikacji | 2022 |
Typ publikacji | artykuł w czasopiśmie |
Otwarty dostęp | |
Creative Commons | |
Czasopismo/seria | Physical Review, D |
Abstract
This article presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of pD- and p¯D+ pairs are measured by the ALICE Collaboration in high-multiplicity pp collisions at s=13 TeV. The data are compatible with the Coulomb-only interaction hypothesis within (1.1–1.5)σ. The level of agreement slightly improves if an attractive nucleon (N)D¯ strong interaction is considered, in contrast to most model predictions which suggest an overall repulsive interaction. This measurement allows for the first time an estimation of the 68% confidence level interval for the isospin I=0 inverse scattering length of the ND¯ state f0,I=0-1∈[-0.4,0.9] fm-1, assuming negligible interaction for the isospin I=1 channel.