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Transverse-momentum distribution in multiperipheral models

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Lettere al Nuovo Cimento (1971-1985)

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References

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  11. However a behaviour of the type exp [−λq e], as assumed byS. Barshay andY. A. Chao:Phys. Lett.,38 B, 225 (1972), is not sufficient to explain the experimental data at lowq 2⊥ values.

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  12. If we denote byt + L andt + R approximate estimates of the highest values oft L andt R , which dominate the cross-section, we can show (eq. (3) and (5) of ref. (7) ) that their derivatives with respect toq 2⊥ behave ∼−q −10 . Sinceq 0=√q 2∥ +q 2⊥ +μ 2, the slope inq 2⊥ decreases whenq ⊥, or |q ‖|, or μ increases. This explainsa) the decrease of the slope asq 2⊥ grows at fixed |q ‖| and μ,b) the decrease of the peak atq 2⊥ =0 (and then the increase of <q ⊥>) as μ grows at fixed |q ‖| andq ⊥,c) the increase of <q ⊥> as |q ‖| grows at fixed μ (seagull effect).

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Author notes

  1. C. Boldrighini

    Present address: Istituto di Fisica dell’Università, Roma

  2. L. Lusanna

    Present address: Istituto Nazionale di Fisica Nucleare, Sezione di Firenze, Firenze, Italy

Authors and Affiliations

  1. Istituto di Matematica dell’Università, Camerino

    C. Boldrighini

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  1. C. Boldrighini
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  2. L. Lusanna
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Boldrighini, C., Lusanna, L. Transverse-momentum distribution in multiperipheral models. Lett. Nuovo Cimento 7, 833–840 (1973). https://doi.org/10.1007/BF02725399

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