The new scattering mode emerging at the LHC?

Troshin, S.; Tyurin, N.

doi:10.1142/s0217732316500796

Cited by 26 publications

(32 citation statements)

References 29 publications

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“…Here we discuss the sensitivity of this hollowness feature on modeling of the phase of the elastic scattering amplitude as a function of the momentum transfer. In previous analyses [1,[8][9][10][11][12][13][14][15][16][17][18][19] this effect was not treated with sufficient attention.…”

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confidence: 99%

Hollowness in $pp$ Scattering at the LHC

Broniowski¹,

Arriola²

2017

Acta Phys. Pol. B Proc. Suppl.

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We examine how the effect of hollowness in pp scattering at the LHC (minimum of the inelasticity profile at zero impact parameter) depends on modeling of the phase of the elastic scattering amplitude as a function of the momentum transfer. We study the cases of the constant phase, the Bailly, and the so called standard parameterizations. It is found that the 2D hollowness holds in the first two cases, whereas the 3D hollowness is a robust effect, holding for all explored cases.In this contribution we focus on the aspects of the alleged hollowness effect in pp scattering not covered in our previous paper [1] and talks [2,3], where the basic concepts and further details of the presented analysis may be found. The recent TOTEM [4] and ATLAS (ALFA) [5] data for the differential elastic cross section for pp collisions at √ s = 7 TeV and √ s = 8 TeV [6,7] suggest a stunning behavior (impossible to explain on classical grounds), where more inelasticity in the reaction occurs when the protons collide at an impact parameter b of a fraction of a fermi, than for headon collisions. Here we discuss the sensitivity of this hollowness feature on modeling of the phase of the elastic scattering amplitude as a function of the momentum transfer. In previous analyses [1,[8][9][10][11][12][13][14][15][16][17][18][19] this effect was not treated with sufficient attention.

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confidence: 99%

Hollowness in $pp$ Scattering at the LHC

Broniowski¹,

Arriola²

2017

Acta Phys. Pol. B Proc. Suppl.

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“…It means (see Eqs. (7), (8)) that the functions Ω(s, b) and χ(s, b) also have the asymptotic behaviour exp(−b/b 0 ) at b → ∞. So, we can suggest that…”

Section: Introductionmentioning

confidence: 79%

Is There a Hollow Inside the Proton?

Петров

Samokhin

2018

Int. J. Mod. Phys. Conf. Ser.

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We discuss a recently proposed interpretation of some model descriptions of the proton-proton elastic scattering data as a manifestation of alleged relative transparency of the central part of the interaction region in the impact parameter space. We argue that the presence of nonzero real part of the elastic scattering amplitude in the unitarity condition enables to conserve the traditional interpretation.

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“…In any case, the account of the HP exchanges extends the applicability range of the Reggeeikonal approximation (3),(4) for the elastic scattering of nucleons at ultrahigh energies. The satisfactory reproduction of available data by the updated model demonstrates the incorrectness of the claim [20] that absorptive models do not provide a good description of the LHC data in the deep-elastic scattering region.…”

Section: Discussionmentioning

confidence: 96%

Hard pomeron impact on the high-energy elastic scattering of nucleons

Godizov

2017

Phys. Rev. D

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The role of the hard Pomeron (HP) exchanges in the high-energy diffractive interaction of nucleons is explored. It is demonstrated that the HP subdominance at available energies and low transferred momenta is due to the extremely low slope of its Regge 1 The leading meson Regge trajectories of the Quark Model have intercepts considerably below the unity. A detailed discussion of the gluon nature of supercritical Reggeons can be found in classical papers [10,11].

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The new scattering mode emerging at the LHC?

Abstract: We point out the several experimental manifestations of the new reflective scattering mode in elastic scattering and multiparticle production at the LHC energy range.Comment: 12 pages, 4 figure

Cited by 26 publications

References 29 publications

Hollowness in $pp$ Scattering at the LHC

Hollowness in $pp$ Scattering at the LHC

Is There a Hollow Inside the Proton?

Hard pomeron impact on the high-energy elastic scattering of nucleons

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