
^{16}C (1993TI07)(See Energy Level Diagrams for ^{16}C) GENERAL: See 16.1 [General Table] (in PDF or PS) and 16.2 [Table of Energy Levels] (in PDF or PS) here.
The half life of ^{16}C is 0.747 ± 0.008 sec. It decays to ^{16}N*(0.12, 3.35, 4.32) [J^{π} = 0^{}, 1^{+}, 1^{+}]: see 16.3 (in PDF or PS) and (1993CH06). See also (1986AJ04) and see (1986KI05, 1988WA1E, 1992WA1L) for theoretical discussions of extended shellmodel calculations of 0^{+} → 0^{} transitions and determination of the mesonic enhancements ε_{mec} of the timelike component of the axial current. See also (1992TO04) and see ^{16}N, reaction 1.
States of ^{16}C observed in this reaction are displayed in 16.2 (in PDF or PS). See also 16.3 (in PDF or PS) of (1982AJ01).
(1985BE31) used negative kaons of 450 MeV/c to produce Σ hypernuclear states, which they interpreted as Σ^{} particles in the p_{3/2} and p_{1/2} orbits of the _{Σ}^{16}C hypernucleus. Their energy splitting was used to constrain the Σ^{} spinorbit coupling. (1986HA26) performed a systematic shellmodel analysis of Σhypernuclear states, in which they deduced a ΣNspinorbit interaction about twice as strong as the one for the nucleon. (1986MA1J) reached a similar conclusion after extracting the oneparticle spinorbit splitting ε_{Σ} = ε^{Σ}p_{1/2}  ε^{Σ}p_{3/2}. (1987WU05) used the continuum shellmodel to study competition between resonant and quasifree Σhyeprnuclear production. The observed structures in the excitation spectra are essentially accounted for by the quasifree mechanism alone. (1989DO1I) perform a series of shell model calculations of energy spectra of pshell Σ hyeprnuclei, starting with several different parameterizations of the ΣN effective interaction. Production cross sections are estimated using DWBA. They suggest experiments to resolve open questions regarding the ΣN and Σnucleus interactions. (1989HA32) uses the recoil continuum shell model to calculate inflight Σ hyernuclei production of this reaction (and others). The needed to modify the ΣN central interaction to fit data. Coupled channels (CC) calculations for Σhypernuclear spectra give an energy integrated cross section which is about 1.7 times the experimental value (1987HA40). (1988HA44) report CC calculations emphasizing the proper treatment of the Σ continuum states. They find that a weak Σ central potential and a comparable ΣΛ conversion potential are required to describe experiment.
