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Q-ball collisions in the MSSM: gravity-mediated supersymmetry breaking
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Collisions of non-topological solitons, Q-balls, are studied in a typical potential in the Minimal Supersymmetric Standard Model where supersymmetry has been broken by a gravitationally coupled hidden sector. Q-ball collisions are studied numerically on a two dimensional lattice for a range of Q-ball charges. Total cross-sections, as well as cross-sections for fusion and charge-exchange are calculated. The average percentage increase in charge carried by the largest Q-ball after a collision is found to be weakly dependent on the initial charge.
Forward citations
Cited by 2 Pith papers
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Dynamical flattening of halo density cusps by Q-ball dark matter
Interacting Q-ball dark matter flattens NFW cusps via density-dependent mergers that convert rest mass into escaping relativistic dark-sector particles, preferentially in halo centers.
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Oscillons and bubbles in $Q$-ball dynamics
In the thin-wall regime, Q-ball-anti-Q-ball collisions are chaotic, driven by internal bound modes and ephemeral states, with false-vacuum bubbles stabilized by Goldstone modes as key intermediates.
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