Nuclear Data Sheets for A=132

The complete and incomplete fusion cross sections for the $^{7}\mathrm{Li}+^{124}\mathrm{Sn}$ reaction were measured using online and offline characteristic $\ensuremath{\gamma}$-ray detection techniques. The complete fusion (CF) cross sections at energies above the Coulomb barrier were found to be suppressed by $\ensuremath{\sim}26%$ compared to the coupled channel calculations. This suppression observed in complete fusion cross sections is found to be commensurate with the measured total incomplete fusion (ICF) cross sections. There is a distinct feature observed in the ICF cross sections, i.e., $\mathit{t}$ capture is found to be dominant compared to $\ensuremath{\alpha}$ capture at all the measured energies. A simultaneous explanation of complete, incomplete, and total fusion (TF) data was also obtained from the calculations based on the continuum discretized coupled channel method with short range imaginary potentials. The cross section ratios of CF/TF and ICF/TF obtained from the data as well as the calculations showed the dominance of ICF at below-barrier energies and CF at above-barrier energies.

Investigation of complete and incomplete fusion in the ^{7}Li+^{124}Sn reaction near Coulomb barrier energies

Nuclear Data Sheets for A = 126

O experimento teve o objetivo de avaliar a resposta da melancieira a diferentes niveis de adubacao quimica e orgânica. O delineamento empregado foi em blocos casualizados, em esquema fatorial 5 x 4, sendo 5 doses de adubo quimico na formulacao 4-30-16 e 4 niveis de adubo orgânico - esterco de gado. Foram utilizadas 4 repeticoes e 10 plantas por parcela da variedade Crimson Sweet. Os niveis de adubacao quimica testados foram de 0, 150, 300, 450 e 600 gramas por cova e para a adubacao orgânica os niveis avaliados foram 0, 3, 6 e 9 litros de esterco de gado por cova. Houve correlacao linear positiva entre todos os parâmetros avaliados. O adubo quimico nao teve interacao significativa com o esterco de gado, exceto na relacao C/D, nas doses de 0, 3 e 6 litros por cova. A melhor produtividade (22989,61 kg.ha-1) foi obtida com 450g/cova de 4-30-16 (NPK). O incremento na produtividade da melancia foi limitado pelo fosforo quando cultivada somente com fertilizacao orgânica. O incremento na produtividade da melancia foi limitado pelo nitrogenio quando cultivada somente com fertilizante quimico NPK. Para a cultivar Crimson Sweet, quanto maior a relacao C/D, maior o peso medio do fruto.

/pdf/produtividade-de-melancia-em-diferentes-niveis-de-adubacao-1dcroeqovv.pdf

Produtividade de melancia em diferentes níveis de adubação química e orgânica

The complete and incomplete fusion along with one neutron stripping and pickup cross sections for the $^{6}\mathrm{Li}+^{124}\mathrm{Sn}$ system are measured using online and offline characteristic $\ensuremath{\gamma}$-ray detection techniques. The complete fusion (CF) cross sections at energies above the Coulomb barrier are found to be suppressed by $\ensuremath{\sim}34%$ compared to the coupled channel calculations. This suppression observed in complete fusion cross sections is found to be commensurate with the measured total incomplete fusion (ICF) cross sections. There is a distinct feature observed in the ICF cross sections, i.e., $d$ capture is found to be dominant than $\ensuremath{\alpha}$ capture at all the measured energies, contrary to the data available for $^{6}\mathrm{Li}+^{209}\mathrm{Bi},^{197}\mathrm{Au}$ systems. The total fusion cross section ratio between $^{6}\mathrm{Li}$ and $^{7}\mathrm{Li}$ induced reactions shows an increasing trend as the energy decreases below the barrier while it remains unity at above-barrier energies. A simultaneous explanation of complete, incomplete, and total fusion (TF) data is also obtained from the calculations based on the continuum discretized coupled channel method with short-range imaginary potentials. The cross section ratios of CF/TF and ICF/TF obtained from the data as well as the calculations shows the dominance of ICF at below-barrier energies and CF at above-barrier energies.

Fusion reaction studies for the Li 6 + Sn 124 system at near-barrier energies

The fusion evaporation reaction 122Sn(14N, 4n)132La was used to populate the high-spin states of 132La at the beam energy of 60 MeV. A new band consisting of mostly E2 transitions has been discovered. This band has the interesting links to the ground state 2- and the isomeric state 6-. A new transition of energy 351 keV connecting the low-spin states of the positive-parity band based on the πh
11/2 ⊗ νh
11/2 particle configuration, has been found. This has played a very important role in resolving the existing ambiguities and inconsistencies in the spin assignment of the band head.

Investigations of low- and high-spin states of 132 La

The energy levels of the odd-odd nucleus ${}^{126}$I have been investigated by in-beam $\ensuremath{\gamma}$-ray spectroscopic techniques. Twenty seven new $\ensuremath{\gamma}$ transitions have been identified. The polarization analysis was carried out using the clover detector as a Compton polarimeter. We have made definite parity assignments to six bands. Five of them were in agreement with the previous assignments of parity, but one band for which the theoretical interpretation was earlier reported with an assumed negative parity [Zheng et al., Phys. Rev. C 86, 014320 (2012)] was found to be of positive parity. We have carried out the theoretical analysis of different bands using the particle rotor model and the calculations of the total Routhian surface. The signature inversion observed in the yrast negative-parity band has been understood as the change in the axis of rotation from the shortest to the intermediate axis of the triaxial nucleus. Two positive-parity bands based on the particle configuration $\ensuremath{\pi}{h}_{11/2}\ensuremath{\bigotimes}\ensuremath{\nu}{h}_{11/2}$, have been found to be good candidates for the chiral partner behavior.

Triaxial nuclear shapes in 126 I

Heavy-ion fusion reactions $^{122}\mathrm{Sn}$($^{14,15}\mathrm{N}$, $\mathit{xn}$)$^{132}\mathrm{La}$ have been utilized for the lifetime measurements using the recoil distance method. The lifetimes of seven low-lying excited states were obtained. In addition, the lifetimes of two states belonging to a band, which was identified as a decoupled band, were obtained. The decoupling behavior in $^{132}\mathrm{La}$ has been theoretically investigated using the particle-rotor model in the model space of $\ensuremath{\pi}{h}_{11/2}$ and ($\ensuremath{\nu}{s}_{1/2},$ $\ensuremath{\nu}{d}_{3/2}$). The pseudospin coupling model was also utilized to understand the decoupling behavior in terms of the valence-particle configuration $\ensuremath{\pi}{h}_{11/2}({\ensuremath{\Omega}}_{\ensuremath{\pi}}=\frac{1}{2})\ensuremath{\bigotimes}\ensuremath{\nu}[\mathrm{411\ifmmode \tilde{}\else \~{}\fi{}}]({\ensuremath{\Omega}}_{\ensuremath{\nu}}=\frac{1}{2},\frac{3}{2})$, and a reasonable agreement with the experiment was obtained.

Decoupling behavior in {sup 132}La

he objective in this paper is to discuss the existence and the uniqueness of a weighted extended B-spline (WEB-spline) based discrete solution for the stationary incompressible Navier–Stokes equations. The WEB-spline discretization is newly developed methodology which satisfies the inf–sup condition or Ladyshenskaya–Babus˘ka–Brezzi (LBB) condition. The main advantage of these new elements over standard finite elements is that they use regular grids instead of irregular partitions of the domain, thus eliminating the difficult and time-consuming pre-processing step. An error estimate for this WEB-spline based discrete solution is also obtained.

WEB-spline based mesh-free finite element analysis for the approximation of the stationary Navier-Stokes problem

Lifetime measurement in picoseconds for the excited states of 129Cs

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