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Weak strangeness production reaction pn to p Lamda in a one-boson-exchange model
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The weak production of
Λ
’s in nucleon-nucleon scattering is studied in a meson-exchange framework. The weak transition operator for the
N
→
N
N
Λ
reaction is identical to a previously developed weak strangeness-changing transition potential
Λ
→
N
NN
that describes the nonmesonic decay of hypernuclei. The initial
NN
and final
YN
state interaction has been included by using realistic baryon-baryon forces that describe the available elastic scattering data. The total and differential cross sections as well as the parity-violating asymmetry are studied for the reaction
p
→
n
p
Λ
.
These observables are found to be sensitive to the opening of the
Σ
production channel, the choice of the strong interaction potential, and the structure of the weak transition potential.
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PARREÑO GARCÍA, Assumpta, et al. Weak strangeness production reaction pn to p Lamda in a one-boson-exchange model. Physical Review C. 1999. Vol. 59, num. 4, pags. 2122-2129. ISSN 0556-2813. [consulted: 23 of May of 2026]. Available at: https://hdl.handle.net/2445/10976