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Measurement of\((D^ + \bar D)\) charm meson pair production in (pp) interactions at √s=62 GeV.charm meson pair production in (pp) interactions at √s=62 GeV.

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Il Nuovo Cimento A (1965-1970)

Summary

The charm meson D+ is observed in (pp) interactions at 62 GeV centre-of-mass energy, in association with its antimeson, D− or\(\bar D^o \). The cross-section for\((D^ + \bar D)\) pair production is evaluated according to various hypotheses on the production mechanisms. The value of the cross-section is found to be ∼300 μb when both the D+ and the\(\bar D\) are assumed to be «centrally» produced.

Riassunto

Si studia la produzione in coppia del mesone con «charm» (D+) e dell'antimesone associato (D− o\(\bar D^o \)), in interazioni (pp) all'energia di 62GeV nel centro di massa. Si stima la sezione d'urto totale del processo in esame per vari possibili modelli di produzione delle coppie\((D^ + \bar D)\). La sezione d'urto stimata è di ∼ 300μb, nell'ipotesi di un meccanismo di produzione centrale per ambedue i mesoni (D+ e\(\bar D\)).

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Authors and Affiliations

  1. CERN, Geneva, Switzerland

    M. Basile, G. Cara Romeo, L. Cifarelli, A. Contin, G. D'Alí, P. Di Cesare, B. Esposito, P. Giusti, T. Massam, R. Nania, F. Palmonari, G. Sartorelli, G. Valenti & A. Zichichi

  2. Istituto di Fisica dell'Università, Bologna, Italia

    M. Basile, G. Cara Romeo, L. Cifarelli, A. Contin, G. D'Alí, P. Di Cesare, B. Esposito, P. Giusti, T. Massam, R. Nania, F. Palmonari, G. Sartorelli, G. Valenti & A. Zichichi

  3. Istituto di Fisica dell'Università, Perugia, Italia

    M. Basile, G. Cara Romeo, L. Cifarelli, A. Contin, G. D'Alí, P. Di Cesare, B. Esposito, P. Giusti, T. Massam, R. Nania, F. Palmonari, G. Sartorelli, G. Valenti & A. Zichichi

  4. Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italia

    M. Basile, G. Cara Romeo, L. Cifarelli, A. Contin, G. D'Alí, P. Di Cesare, B. Esposito, P. Giusti, T. Massam, R. Nania, F. Palmonari, G. Sartorelli, G. Valenti & A. Zichichi

  5. Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, Frascati, Italia

    M. Basile, G. Cara Romeo, L. Cifarelli, A. Contin, G. D'Alí, P. Di Cesare, B. Esposito, P. Giusti, T. Massam, R. Nania, F. Palmonari, G. Sartorelli, G. Valenti & A. Zichichi

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  1. M. Basile
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  2. G. Cara Romeo
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  3. L. Cifarelli
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  4. A. Contin
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  5. G. D'Alí
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  7. B. Esposito
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  8. P. Giusti
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  9. T. Massam
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  10. R. Nania
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  13. G. Valenti
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  14. A. Zichichi
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Basile, M., Romeo, G.C., Cifarelli, L. et al. Measurement of\((D^ + \bar D)\) charm meson pair production in (pp) interactions at √s=62 GeV.charm meson pair production in (pp) interactions at √s=62 GeV.. Nuov Cim A 67, 40–52 (1982). https://doi.org/10.1007/BF02902429

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  • DOI: https://doi.org/10.1007/BF02902429

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