Large samples of Λ, Σ(1385) and Ξ(1321) hyperons produced in the deep-inelastic muon scattering off a 6LiD target were collected with the COMPASS experimental setup at CERN. The relative yields of Σ(1385)+, Σ(1385)−, Σ¯(1385)− , Σ¯(1385)+ , Ξ(1321)−, and Ξ¯(1321)+ hyperons decaying into Λ(Λ¯)π were measured. The ratios of heavy-hyperon to Λ and heavy-antihyperon to Λ¯ were found to be in the range 3.8 % to 5.6 % with a relative uncertainty of about 10 %. They were used to tune the parameters relevant for strange particle production of the LEPTO Monte Carlo generator.
Titolo: | Study of Σ(1385) and Ξ(1321) hyperon and antihyperon production in deep inelastic muon scattering |
Autori: | |
Data di pubblicazione: | 2013 |
Rivista: | |
Abstract: | Large samples of Λ, Σ(1385) and Ξ(1321) hyperons produced in the deep-inelastic muon scattering off a 6LiD target were collected with the COMPASS experimental setup at CERN. The relative yields of Σ(1385)+, Σ(1385)−, Σ¯(1385)− , Σ¯(1385)+ , Ξ(1321)−, and Ξ¯(1321)+ hyperons decaying into Λ(Λ¯)π were measured. The ratios of heavy-hyperon to Λ and heavy-antihyperon to Λ¯ were found to be in the range 3.8 % to 5.6 % with a relative uncertainty of about 10 %. They were used to tune the parameters relevant for strange particle production of the LEPTO Monte Carlo generator. |
Handle: | http://hdl.handle.net/11368/2733694 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1140/epjc/s10052-013-2581-9 |
URL: | http://link.springer.com/article/10.1140%2Fepjc%2Fs10052-013-2581-9 |
Appare nelle tipologie: | 1.1 Articolo in Rivista |
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