Diffractive contribution to the elasticity and to the nucleonic flux in the atmosphere

Bellandi, J.; Godoi, A. L.; Covolan, R. J. M.; Montanha, J.

doi:10.1088/0954-3899/23/1/010

Cited by 7 publications

(7 citation statements)

References 23 publications

(40 reference statements)

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“…9 we plot ξ against √ s. As it can be seen ξ decreases with √ s not only because ξ min becomes smaller but also because dN dξ changes with the energy, falling faster. This qualitative behaviour of ξ is in agreement with the estimate of the same quantity extracted from cosmic ray data analysis [40]. Also shown in Fig.…”

supporting

confidence: 90%

Diffractive dissociation in the interacting gluon model

1997

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We have extended the interacting gluon model to calculate diffractive mass spectra generated in hadronic collisions. We show that it is possible to treat both diffractive and nondiffractive events on the same footing, in terms of gluon-gluon collisions. A systematic analysis of available data is performed. The energy dependence of diffractive mass spectra is addressed. They show a moderate narrowing at increasing energies. Predictions for CERN LHC energies are presented. ͓S0556-2821͑97͒06703-9͔

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supporting

confidence: 90%

Diffractive dissociation in the interacting gluon model

1997

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“…The model was employed by the Campinas group of cosmic ray physics to reanalyse data from the AKENO collaboration and extract the proton-proton and proton-air cross sections [21]. This group used the IGM also to study the nucleonic and hadronic fluxes in the atmosphere [22].…”

Section: A Brief History Of the Igmmentioning

confidence: 99%

“…Inserting P (n i ) in (22) and using the following integral representations for the delta functions: …”

Section: The Central Formulamentioning

confidence: 99%

The Interacting Gluon Model: a review

Durães¹,

Navarra

Wilk

2005

Braz. J. Phys.

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The Interacting Gluon Model (IGM) is a tool designed to study energy flow, especially stopping and leading particle spectra, in high energy hadronic collisions. In this model, valence quarks fly through and the gluon clouds of the hadrons interact strongly both in the soft and in the semihard regime. Developing this picture we arrive at a simple description of energy loss, given in terms of few parameters, which accounts for a wide variety of experimental data. This text is a survey of our main results and predictions.

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“…Bellandi et al [6][7][8] have already discussed this question in connection with the behaviour of hadronic cascade and extensive air showers in the atmosphere, showing that the average proton-air inelasticity is also an increasing function of the energy. A model-dependent analysis of the average inelasticity in [8] was performed by means of the so-called interacting gluon model (IGM) [9,10], which includes, besides soft gluonic interactions, semi-hard QCD interactions responsible for minijet production. This model in the original version [9] had predicted inelasticity decreasing with energy.…”

Section: Introductionmentioning

confidence: 99%