isobaric model
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2018 ◽  
Vol 81 (1) ◽  
pp. 62-67 ◽  
Author(s):  
V. A. Tryasuchev ◽  
V. A. Serdyutskiy ◽  
A. G. Kondratyeva

2017 ◽  
Vol 3 (2) ◽  
pp. 40
Author(s):  
Feli Cianda Adrin Burhendi

The contributions of the resonances $S_{11}(1535)$, $S_{11}(1650)$, and $P_{11}(1710)$ to gamma nucleon $\rightarrow$ eta nucleon are found. In order to estimate model dependence of the obtained resonance characteristics, an isobaric models used for analysis. For the resonances considered, our analysis yields mass values compatible with those advocated by the Particle Data Group. We emphasise, however, that cross-section data alone are unable to pin down the resonance parameters and it is shown that the beam and or target asymmetries impose more stringent constraints on these parameter values. The amplitude transitions of Feynman diagrams at the center of mass frame used to find amplitude squares involving the s-channel, u-channel, and t-channel on Born term and resonance. The value of the differential cross section on the energy system used by 1.685 MeV up to 2.795 MeV.


2014 ◽  
Vol 68 (10) ◽  
Author(s):  
Amir Hossein Farahbod ◽  
Seyed Abolfazl Ghasemi ◽  
Mohammad Jafar Jafari ◽  
Somayeh Rezaei ◽  
Samad Sobhanian

2013 ◽  
Vol 28 (14) ◽  
pp. 1350054 ◽  
Author(s):  
T. MART ◽  
A. K. SARI

We have investigated the effects of different hadronic form factors on the performance of an isobaric model developed for kaon photo-production off the proton. We found that there is no ideal form factor in this case. The dipole and generalized dipole form factors can help to nicely reproduce the differential cross-section and hyperon polarization data. However, in the case of double polarization data Cx and Cz the Gaussian form factor is found to be superior.


2012 ◽  
Vol 430-432 ◽  
pp. 696-700
Author(s):  
Shu Yang Wang ◽  
Zi Man Wang ◽  
Guang Xin Zuo ◽  
Wan Ruo Zhang ◽  
Jian Zhao

The biomass molding is influenced by many factors such as moisture, temperature, Poisson ratio, particle size, length-radius ratio etc. This paper armed to learn the influence of pressures on the biomass molding with different diameter and mainly researched the forces the biomass undergone, including the relationships of molding pressure and the length-radius ratio and that molding pressure and the density. First the material molding process was analyzed and the infinitesimal isobaric model that is pressure vessel model was established. Then this paper analyzed the model and derived these specific mathematics relationships. According to the formulas, this paper used Matlab to program, handled the datum and got the relationship images of the molding pressure and the length-radius ratio and that the molding pressure and the density. Thus it was learned that in plastic deformation area, the pressure and mould radius have the linear relationship while in the shaping area, they have the hyperbolic relationship and the pressure and the length-radius ratio have the linear relationship; Molding density changes with pressure and radius in index.


2001 ◽  
Vol 691 (3-4) ◽  
pp. 713-749 ◽  
Author(s):  
Bong Soo Han ◽  
Myung Ki Cheoun ◽  
K.S. Kim ◽  
Il-Tong Cheon
Keyword(s):  

1969 ◽  
Vol 13 (3) ◽  
pp. 537-544 ◽  
Author(s):  
J. Boguta

1968 ◽  
Vol 57 (3) ◽  
pp. 596-596
Author(s):  
I. Giannin ◽  
A. Santroni

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