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hep-ph2025
Nature of the states from compositeness criteria
Yu-Fei Wang, Chao-Wei Shen, Deborah Rönchen +3
Based on a coupled-channel approach, we investigate the structures of four states through compositeness criteria. Toward a more precise description of the states, we have obt…
nucl-th2025
Fine-tunings in nucleosynthesis and the emergence of life: Status and perspectives
Ulf-G. Meißner, Bernard Ch. Metsch, Helen Meyer
We discuss the fine-tunings of nuclear reactions in the Big Bang and in stars and draw some conclusions on the emergence of the light elements and the life-relevant elements carbon…
hep-ph2025
Bounds on variations of the strange quark mass from Big Bang nucleosynthesis
Ulf-G. Meißner, Bernard Metsch, Helen Meyer
We analyze the effect of a variation of the strange nucleon matrix element on the abundances of the light elements produced in the Big Bang. For…