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Crossing conditions for the pion-pion amplitude

Условия кроссиига дл я ииои-ииоиной емили туды

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Il Nuovo Cimento A (1965-1970)

Summary

We obtain a denumerable set of rigorous inequalities on the π0π00π0 partial-wave amplitudes which guarantee that the amplitude is crossing symmetric. The numerical inequalities presented for the case of S and D waves indicate that one has very little freedom in the choice of the D-waves once the .S-waves are given.

Riassunto

Si ottiene un insieme numerabilc di disuguaglianze rigorose sulle ampiezze d’onda parziale di π0π00π0 che garantiscono che l’ampiezza ha simmetria incrociata. Le disuguaglianze numeriche preseutate per il caso delle onde S e D indicano che si ha scarsa libertà di scelta per le onde D una volta date le onde S.

Резюме

Мы получаем конечную систему строгих нера венств на π0π0 → π0π0 нарниальные амнлзту ды, которые гарантиру ют, что эта амнлитуда я вляется кроссинг-симметричной. Чзслен ные неравенства, нред ставленные для случа яиволн, указывают, что змеетс я очень мало свободы в выбореволн, нослет огокакволны заданы.

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References

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Martin, A. Crossing conditions for the pion-pion amplitude. Nuovo Cimento A (1965-1970) 63, 167–180 (1969). https://doi.org/10.1007/BF02963164

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  • DOI: https://doi.org/10.1007/BF02963164

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