Abnormal states with unequal constituent masses
Abstract The Bethe–Salpeter equation for system of two oppositely charged particles not only reproduces the Coulomb spectrum, but, for enough large coupling constant $${\mathcal C}>\frac{\pi }{4}$$ C > π 4 , predicts additional levels not predicted by the Schrödinger equation. These relativist...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2024-01-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-024-12429-x |