Space-Time Structure of Hadronic Collisions and Nuclear Multiple Production

Gottfried, Kurt

doi:10.1103/physrevlett.32.957

Cited by 226 publications

(50 citation statements)

References 3 publications

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“…The diffractive excitation model [30,31] and energy flux cascade (EFC) model [32] predict that should vary with the number of collisions made by the impinging hadron inside the struck nucleus,^, as = +^, = = 1/2 (in the diffractive excitation model) and = 2/3 and = 1/3 (in the EFC). The CTM [24][25][26][27] predicts that should vary as^1 /4 , since the number of grey particles, , is considered as the best measure of the number of collisions.…”

Section: Resultsmentioning

confidence: 99%

A Study of Pion-Nucleus Interactions in terms of Compound Particles

Ahmad

2014

ISRN High Energy Physics

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We report some results on the compound multiplicity distribution at 340 GeV/c − nucleus interactions. Compound multiplicity distribution is found to depend on the target size and the distribution becomes broader. The peak of the distribution shifts towards higher values of the compound particle multiplicity. Mean compound multiplicity is found to vary linearly with grey, heavy, and shower particle multiplicity. Correlations between different particle multiplicities have been studied in detail. Dispersion of compound multiplicity distributions and its ratio with the mean value is observed to obey a linear relationship with different particle multiplicities except for shower particles where dispersion is almost independent of shower particles. Mean normalized multiplicity has also been studied in terms of created charged particles.

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Section: Resultsmentioning

confidence: 99%

A Study of Pion-Nucleus Interactions in terms of Compound Particles

Ahmad

2014

ISRN High Energy Physics

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“…It has been shown [56,57] that this dependence can be understood if the produced pions satisfy, approximately, the (generalized) Bjorken-Gottfried condition [58][59][60][61][62][63], whereby the fourmomentum of a produced particle and the space-time position at which it is produced are linearly related. Such a correlation between space-time and momentum-energy is also a feature of the Lund string model, which, as incorporated in JETSET, is very successful in describing detailed features of the hadronic final states of e + e − annihilation.…”

Section: Time Dependence Of the Sourcementioning

confidence: 99%

Test of the τ-model of Bose–Einstein correlations and reconstruction of the source function in hadronic Z-boson decay at LEP

Achard¹,

Adriani²,

Aguilar-Benı́tez³

et al. 2011

Eur. Phys. J. C

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Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a Lévy stable distribution in conjunction with a model where a particle's momentum is correlated with its space-time point of production, the τ -model. Using this description and the measured rapidity and transverse momentum distributions, the space-time evolution of particle emission in two-jet events is reconstructed. However, the elongation of the particle emission region previously observed is not accommodated in the τ -model, and this is investigated using an ad hoc modification.

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“…Противоречие модели 2Ы эксперименту было продемонстриро-вано Гуламовым и Ужинским 215 . К критике 216 можно добавить, что исход-ные уравнения работы 214 для возбуждения кластера противоречат закону сохранения энергии.…”

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“…При обсуждении экспериментальных данных часто ссылаются на жодель Готтфрида 216 . По своим следствиям модель похожа на эйкональ-яую модель.…”

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