Study of jet production in p-N interactions at √s ≈ 500 GeV in EAS multicore events

M. Aglietta, B. Alessandro, P. Antonioli, Francesco Arneodo, L. Bergamasco, M. Bertaina, C. Castagnoli, A. Castellina, A. Chiavassa, G. Cini Castagnoli, B. D'Ettore Piazzoli, G. Di Sciascio, W. Fulgione, P. Galeotti, P. L. Ghia, M. Iacovacci, G. Mannocchi, C. Morello, G. Navarra, L. Riccati & 5 others O. Saavedra, G. C. Trinchero, P. Vallania, S. Vernetto, C. Vigorito

    Research output: Contribution to journalArticle

    Abstract

    The cross section for large pt jet production for transverse momentum 10 ≤ pt ≤ 20 GeV/c and rapidity 1.6 ≤ η ≤ 2.6 in p-N ( p-'air') interactions is studied from the analysis of multicore Extensive Air Showers recorded in the EAS-TOP calorimeter. The projectiles are the leading particles interacting at atmospheric depths between 250 and 480 cm-2, the CMS energy of interaction being √s ≈ 500 GeV. The slope of the pt distribution agrees with the expected one from the p-p̄ collider data at the same CMS energy. The measured jet production cross section in p-N interactions with respect to p-p̄ interactions is (dσ/dpt)pN Jet = (dσ/dpt)pp̄ jet. Aα with α = 1.56 ± 0.07 for A= 14.7 (average mass number of 'air' nuclei). Such value is compatible within the experimental uncertainties with the one obtained in p-nucleus accelerator measurements at √s ≃ 30 GeV in the same range of transverse momentum and rapidity. No indication of increase of α with energy, i.e. of the entity of the 'Cronin effect', is found.

    Original languageEnglish (US)
    Pages (from-to)474-483
    Number of pages10
    JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume460
    Issue number3-4
    DOIs
    StatePublished - Jan 1 1999

    Fingerprint

    transverse momentum
    interactions
    nuclei
    air
    cross sections
    cosmic ray showers
    calorimeters
    energy
    projectiles
    indication
    accelerators
    slopes

    Keywords

    • EAS
    • EAS multicores
    • Jet
    • Large transverse momentum
    • Proton-nucleus interactions

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Study of jet production in p-N interactions at √s ≈ 500 GeV in EAS multicore events. / Aglietta, M.; Alessandro, B.; Antonioli, P.; Arneodo, Francesco; Bergamasco, L.; Bertaina, M.; Castagnoli, C.; Castellina, A.; Chiavassa, A.; Cini Castagnoli, G.; D'Ettore Piazzoli, B.; Di Sciascio, G.; Fulgione, W.; Galeotti, P.; Ghia, P. L.; Iacovacci, M.; Mannocchi, G.; Morello, C.; Navarra, G.; Riccati, L.; Saavedra, O.; Trinchero, G. C.; Vallania, P.; Vernetto, S.; Vigorito, C.

    In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 460, No. 3-4, 01.01.1999, p. 474-483.

    Research output: Contribution to journalArticle

    Aglietta, M, Alessandro, B, Antonioli, P, Arneodo, F, Bergamasco, L, Bertaina, M, Castagnoli, C, Castellina, A, Chiavassa, A, Cini Castagnoli, G, D'Ettore Piazzoli, B, Di Sciascio, G, Fulgione, W, Galeotti, P, Ghia, PL, Iacovacci, M, Mannocchi, G, Morello, C, Navarra, G, Riccati, L, Saavedra, O, Trinchero, GC, Vallania, P, Vernetto, S & Vigorito, C 1999, 'Study of jet production in p-N interactions at √s ≈ 500 GeV in EAS multicore events', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 460, no. 3-4, pp. 474-483. https://doi.org/10.1016/S0370-2693(99)00782-0
    Aglietta, M. ; Alessandro, B. ; Antonioli, P. ; Arneodo, Francesco ; Bergamasco, L. ; Bertaina, M. ; Castagnoli, C. ; Castellina, A. ; Chiavassa, A. ; Cini Castagnoli, G. ; D'Ettore Piazzoli, B. ; Di Sciascio, G. ; Fulgione, W. ; Galeotti, P. ; Ghia, P. L. ; Iacovacci, M. ; Mannocchi, G. ; Morello, C. ; Navarra, G. ; Riccati, L. ; Saavedra, O. ; Trinchero, G. C. ; Vallania, P. ; Vernetto, S. ; Vigorito, C. / Study of jet production in p-N interactions at √s ≈ 500 GeV in EAS multicore events. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1999 ; Vol. 460, No. 3-4. pp. 474-483.
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    abstract = "The cross section for large pt jet production for transverse momentum 10 ≤ pt ≤ 20 GeV/c and rapidity 1.6 ≤ η ≤ 2.6 in p-N ( p-'air') interactions is studied from the analysis of multicore Extensive Air Showers recorded in the EAS-TOP calorimeter. The projectiles are the leading particles interacting at atmospheric depths between 250 and 480 cm-2, the CMS energy of interaction being √s ≈ 500 GeV. The slope of the pt distribution agrees with the expected one from the p-p̄ collider data at the same CMS energy. The measured jet production cross section in p-N interactions with respect to p-p̄ interactions is (dσ/dpt)pN Jet = (dσ/dpt)pp̄ jet. Aα with α = 1.56 ± 0.07 for A= 14.7 (average mass number of 'air' nuclei). Such value is compatible within the experimental uncertainties with the one obtained in p-nucleus accelerator measurements at √s ≃ 30 GeV in the same range of transverse momentum and rapidity. No indication of increase of α with energy, i.e. of the entity of the 'Cronin effect', is found.",
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    AU - Aglietta, M.

    AU - Alessandro, B.

    AU - Antonioli, P.

    AU - Arneodo, Francesco

    AU - Bergamasco, L.

    AU - Bertaina, M.

    AU - Castagnoli, C.

    AU - Castellina, A.

    AU - Chiavassa, A.

    AU - Cini Castagnoli, G.

    AU - D'Ettore Piazzoli, B.

    AU - Di Sciascio, G.

    AU - Fulgione, W.

    AU - Galeotti, P.

    AU - Ghia, P. L.

    AU - Iacovacci, M.

    AU - Mannocchi, G.

    AU - Morello, C.

    AU - Navarra, G.

    AU - Riccati, L.

    AU - Saavedra, O.

    AU - Trinchero, G. C.

    AU - Vallania, P.

    AU - Vernetto, S.

    AU - Vigorito, C.

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    N2 - The cross section for large pt jet production for transverse momentum 10 ≤ pt ≤ 20 GeV/c and rapidity 1.6 ≤ η ≤ 2.6 in p-N ( p-'air') interactions is studied from the analysis of multicore Extensive Air Showers recorded in the EAS-TOP calorimeter. The projectiles are the leading particles interacting at atmospheric depths between 250 and 480 cm-2, the CMS energy of interaction being √s ≈ 500 GeV. The slope of the pt distribution agrees with the expected one from the p-p̄ collider data at the same CMS energy. The measured jet production cross section in p-N interactions with respect to p-p̄ interactions is (dσ/dpt)pN Jet = (dσ/dpt)pp̄ jet. Aα with α = 1.56 ± 0.07 for A= 14.7 (average mass number of 'air' nuclei). Such value is compatible within the experimental uncertainties with the one obtained in p-nucleus accelerator measurements at √s ≃ 30 GeV in the same range of transverse momentum and rapidity. No indication of increase of α with energy, i.e. of the entity of the 'Cronin effect', is found.

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    KW - Jet

    KW - Large transverse momentum

    KW - Proton-nucleus interactions

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