Magnetic moments of confined quarks and baryons in an independent-quark model based on Dirac equation with power-law potential

1983 ◽  
Vol 28 (11) ◽  
pp. 2823-2829 ◽  
Author(s):  
N. Barik ◽  
M. Das
1983 ◽  
Vol 28 (11) ◽  
pp. 2918-2921 ◽  
Author(s):  
Shin Ishida ◽  
Kenji Yamada ◽  
Masuho Oda
Keyword(s):  

2005 ◽  
Vol 20 (08n09) ◽  
pp. 1797-1802 ◽  
Author(s):  
FL. STANCU

Light and heavy pentaquarks are described within a constituent quark model based on a spin-flavor hyperfine interaction. In this model the lowest state acquires positive parity. The masses of the light antidecuplet members are calculated dynamically using a variational method. It is shown that the octet and antidecuplet states with the same quantum numbers mix ideally due to SU (3)F breaking. Masses of the charmed antisextet pentaquarks are predicted within the same model.


2002 ◽  
Vol 65 (3) ◽  
Author(s):  
B. Juliá-Díaz ◽  
J. Haidenbauer ◽  
A. Valcarce ◽  
F. Fernández

2010 ◽  
Vol 149 (2) ◽  
pp. 351-372
Author(s):  
WOUTER KAGER ◽  
LIONEL LEVINE

AbstractInternal diffusion-limited aggregation is a growth model based on random walk in ℤd. We study how the shape of the aggregate depends on the law of the underlying walk, focusing on a family of walks in ℤ2 for which the limiting shape is a diamond. Certain of these walks—those with a directional bias toward the origin—have at most logarithmic fluctuations around the limiting shape. This contrasts with the simple random walk, where the limiting shape is a disk and the best known bound on the fluctuations, due to Lawler, is a power law. Our walks enjoy a uniform layering property which simplifies many of the proofs.


1988 ◽  
Vol 200 (4) ◽  
pp. 539-542 ◽  
Author(s):  
Zbigniew Dziembowski ◽  
Tomasz Dzurak ◽  
Adam Szczepaniak ◽  
Lech Mankiewicz

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