Journal
PHYSICAL REVIEW C
Volume 108, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.108.055201
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Simultaneous measurements of the cross sections for K- p -> Sigma(0)pi(0) and K- p -> Lambda pi(0) have been conducted using the kaon beam provided by the DA Phi NE collider. By detecting K- absorptions on hydrogen atoms in the gas mixture, the cross sections have been determined with the highest precision achieved so far in the low kaon momentum regime. These results impact pending questions in various fields, from nuclear and particle physics to astrophysics.
Simultaneous measurements of the K- p -> Sigma(0)pi(0) and K- p -> Lambda pi(0) cross sections below 100 MeV/c kaon momentum have been performed. The kaon beam delivered by the DA Phi NE collider was exploited to detect K- absorptions on hydrogen atoms populating the gas mixture of the KLOE drift chamber. The cross sections are determined with the highest yet obtained precision in the low kaon momentum regime [sigma(K- p ->Sigma 0 pi 0) = 42.8 +/- 1.5(stat)(-2.0)(+2.4) (syst) mb and sigma(K- p -> 0 pi 0) = 31.0 +/- 0.5(stat)(-1.2)(+1.2) (syst) mb] impacting on pending questions in several fields, ranging from nuclear and particle physics, to astrophysics.
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