Abstract
TheΔΔ-component of the deuteron is calculated in a full coupled channel calculation including a diagonalΔ-Δ-interaction and compared to the impulse approximation. Without a diagonalΔ-Δ-interaction both methods give very similar results while inclusion of theΔ-Δ-interaction leads to a decrease of the (ΔΔ)-probability of about 25%. The main uncertainties originate from limited knowledge of coupling constants and cut-off ranges. Accordingly the (ΔΔ)-probability varies between 0.3 and 1 percent.
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Arenhövel, H. A coupled channel calculation of the double-Δ(1 236) component of the deuteron. Z Physik A 275, 189–192 (1975). https://doi.org/10.1007/BF01409596
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DOI: https://doi.org/10.1007/BF01409596