Vector meson-baryon octet interaction and resonances generated dynamically

The interaction potentials between vector mesons and baryon octet are calculated explicitly with a summation of t-, s-, and u- channel diagrams and a contact term originating from the tensor interaction. Altogether, 13 resonances are generated dynamically in different channels of strangeness zero by solving the relativistic Lippman-Schwinger equations in the S-wave approximation, and their masses, decay widths, isospins and spins are determined. Some resonances are well fitted with their counterparts listed in the newest review of Particle Data Group (PDG),1 while others might stimulate the experimental observation in these energy regions in the future.

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KAON PHOTOPRODUCTION ON THE NUCLEON WITH CONSTRAINED PARAMETERS

Modern Physics Letters A ◽

10.1142/s0217732309000383 ◽

2009 ◽

Vol 24 (11n13) ◽

pp. 964-967

Author(s):

R. NELSON ◽

T. MART

Keyword(s):

Experimental Data ◽

Particle Data Group ◽

Resonance Decay ◽

Decay Widths ◽

Data Group

The new experimental data of kaon photoproduction on the nucleon γp → K+Λ have been analyzed by means of a multipoles model. Different from the previous models, in this analysis the resonance decay widths are constrained to the values given by the Particle Data Group (PDG). The result indicates that constraining these parameters to the PDG values could dramatically change the conclusion of the important resonances in this reaction found in the previous studies.

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Development of a Monte-Carlo Evaporation Code for Multiple-Fragment Emission

HNPS Proceedings ◽

10.12681/hnps.3353 ◽

2021 ◽

Vol 12 ◽

pp. 136

Author(s):

N. G. Nicolis

Keyword(s):

Monte Carlo ◽

Excitation Energy ◽

Excited States ◽

Compound Nucleus ◽

S Wave ◽

Intermediate Mass ◽

Wave Approximation ◽

Decay Widths ◽

Study Case ◽

Multiple Fragment

An extended Hauser-Feshbach approach has been employed in a multi-step Monte-Carlo evaporation code designed to study the de-excitation of highly excited compound nuclei. The code is intended to account for emission of light particles ($\gamma$, n, $^{1,2,3}$H, $^{3-6}$He) and intermediate mass fragments in their ground and excited states (particle-bound or unbound). As a study case, we consider the decay of the compound nucleus $^{120}$Te$^*$ at excitation energy 100, 200 and 300 MeV. First chance decay widths are compared with treatments based on the Weisskopf and the s-wave approximation. Preliminary calculations are compared with experimental isotopic yields of intermediate mass fragments emitted in E/A = 50 MeV $^{4}$He + $^{116,124}$Sn $\rightarrow$ $^{120,128}$Te$^*$ reactions.

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Extended vector meson dominance model for the baryon octet electromagnetic form factors

Physical Review C ◽

10.1103/physrevc.53.1580 ◽

1996 ◽

Vol 53 (4) ◽

pp. 1580-1588 ◽

Cited By ~ 19

Author(s):

Robert A. Williams ◽

Christina Puckett-Truman

Keyword(s):

Vector Meson ◽

Form Factors ◽

Baryon Octet ◽

Vector Meson Dominance ◽

Electromagnetic Form Factors ◽

Dominance Model ◽

Vector Meson Dominance Model

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Recent changes in particle data group tau listings

Nuclear Physics B - Proceedings Supplements ◽

10.1016/s0920-5632(97)00196-5 ◽

1997 ◽

Vol 55 (3) ◽

pp. 23-30

Author(s):

Kenneth G. Hayes

Keyword(s):

Particle Data Group ◽

Data Group

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Tables of Particle Properties**From Review of Particle Properties, Particle Data Group, reprinted from Phys. Lett. 39B, April 1972.

Particle Physics: an Introduction ◽

10.1016/b978-0-12-443850-7.50018-5 ◽

1973 ◽

pp. 251-264 ◽

Cited By ~ 2

Keyword(s):

Particle Data Group ◽

Particle Properties ◽

Data Group

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Power Laws and Elementary Particle Decays

Sci ◽

10.3390/sci1030059 ◽

2019 ◽

Vol 1 (3) ◽

pp. 59

Author(s):

Leonardo Chiatti

Keyword(s):

Elementary Particle ◽

Power Law ◽

Power Laws ◽

Order Structure ◽

Particle Data Group ◽

Rest Energy ◽

The Standard Model ◽

Using Data ◽

Particle Decays ◽

Data Group

This study analyzes the correlation between the lifetime and the rest energy of the unstable particle states with a lifetime greater than the zeptosecond (10−21 s), using data available from the Particle Data Group. This set of states seems to be divided into three groups, in each of which the two quantities can be correlated through a remarkably accurate power law. Although this fact does not represent anything new compared to the predictions of the Standard Model, it nevertheless reveals an unexpected order structure in the set of particle decays, emerging from such predictions.

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