Matches in SemOpenAlex for { <https://semopenalex.org/work/W2062693276> ?p ?o ?g. }
- W2062693276 abstract "We study numerically a class of nontopological solitons, the $Q$-balls, arising in a supersymmetric extension of the standard model with low-energy, gauge-mediated symmetry breaking. Taking into account the exact form of the supersymmetric potential giving rise to $Q$-balls, we find that there is a lower limit on the value of the charge $Q$ in order to make them classically stable: $Qensuremath{gtrsim}5ifmmodetimeselsetexttimesfi{}{10}^{2}{Q}_{mathrm{cr}}$, where ${Q}_{mathrm{cr}}$ is constant depending on the parameters defining the potential and can be in the range $1ensuremath{lesssim}{Q}_{mathrm{cr}}ensuremath{lesssim}{10}^{8textdiv{}16}$. If $Q$ is the baryon number, stability with respect to the decay into protons requires $Qensuremath{gtrsim}{10}^{17}{Q}_{mathrm{cr}}$, while if the gravitino mass is greater then ${m}_{3/2}ensuremath{gtrsim}61text{ }text{ }mathrm{MeV}$, no stable gauge-mediation supersymmetric $Q$-balls exist. Finally, we find that energy and radius of $Q$-balls can be parametrized as $Eensuremath{sim}{ensuremath{xi}}_{E}{Q}^{3/4}$ and $Rensuremath{sim}{ensuremath{xi}}_{R}{Q}^{1/4}$, where ${ensuremath{xi}}_{E}$ and ${ensuremath{xi}}_{R}$ are slowly varying functions of the charge." @default.
- W2062693276 created "2016-06-24" @default.
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- W2062693276 date "2008-02-04" @default.
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- W2062693276 title "Supersymmetric<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>Q</mml:mi></mml:math>-balls: A numerical study" @default.
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- W2062693276 doi "https://doi.org/10.1103/physrevd.77.043504" @default.
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