Search for the neutron-rich hyper nucleus 9 He is reported by the FINUDA experiment at DANE, INFN-LNF, studying (π+,n−) pairs in coincidence from the K−stop + 9Be → 9He + π+ production reaction followed by 9He → 9Li + π− weak decay. An upper limit of the production rate of 9He undergoing this two-body π− decay is determined to be (2.3 ± 1.9) × 10−6/K− stop at the 90% confidence level.
Titolo: | Search for the neutron-rich hypernucleus _{Λ}^{9}He |
Autori: | |
Data di pubblicazione: | 2012 |
Rivista: | |
Abstract: | Search for the neutron-rich hyper nucleus 9 He is reported by the FINUDA experiment at DANE, INFN-LNF, studying (π+,n−) pairs in coincidence from the K−stop + 9Be → 9He + π+ production reaction followed by 9He → 9Li + π− weak decay. An upper limit of the production rate of 9He undergoing this two-body π− decay is determined to be (2.3 ± 1.9) × 10−6/K− stop at the 90% confidence level. |
Handle: | http://hdl.handle.net/11368/2761361 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevC.86.057301 |
Appare nelle tipologie: | 1.1 Articolo in Rivista |
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