Inclusive<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>pd</mml:mi><mml:mo>→</mml:mo><mml:mi>pX</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>pn</mml:mi><mml:mo>→</mml:mo><mml:mi>pX</mml:mi></mml:math>Cross Sections between 50 and 400 GeV

Robinson, B.; Abe, K.; Carr, J.; Keyne, J.; Pagnamenta, A.; Sannes, F.; Siotis, I.; Stanek, R.

doi:10.1103/physrevlett.34.1475

Cited by 34 publications

(19 citation statements)

References 13 publications

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“…3 One-pion-exchange model A successful description of the available data [24][25][26][27][28][29][30][31][32][33] on charge-exchange processes (p → n) in hadron-hadron interactions has been obtained using the exchange of virtual particles with the quantum numbers of the π, ρ, and a 2 mesons [13-17, 20, 21]. In such processes, the pion, due to its small mass, dominates the p → n transition amplitude, with its relative contribution increasing as |t| decreases.…”

Section: Kinematics and Cross Sectionsmentioning

confidence: 99%

“…For the hadronic charge-exchange experiments, a good description of most of the pn → Xp data [26] is obtained using the Bishari [15] flux, which corresponds to Eq. (7) with F (x L , t) = 1.…”

Section: Kinematics and Cross Sectionsmentioning

confidence: 99%

“…Some theoretical models retain the QCD building blocks, quarks and gluons, as fundamental entities but add non-perturbative elements, such as soft color interactions [12]. Another approach interprets the production of forward baryons in terms of the exchange of virtual particles [13][14][15][16][17][18][19][20][21][22][23], which accounts for charge-exchange processes (p → n) in hadronic interactions [24][25][26][27][28][29][30][31][32][33]. In leading neutron production, the large diffractive peak in the cross section, which is observed in leading proton production [4,5], is absent.…”

Section: Introductionmentioning

confidence: 99%

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Leading neutron production in e+p collisions at HERA

Chekanov¹,

Krakauer²,

Magill³

et al. 2002

Nuclear Physics B

104

166

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The production of neutrons carrying at least 20% of the proton beam energy (x L > 0.2) in e + p collisions has been studied with the ZEUS detector at HERA for a wide range of Q 2 , the photon virtuality, from photoproduction to deep inelastic scattering. The neutron-tagged cross section, ep → e ′ Xn, is measured relative to the inclusive cross section, ep → e ′ X, thereby reducing the systematic uncertainties. For x L > 0.3, the rate of neutrons in photoproduction is about half of that measured in hadroproduction, which constitutes a clear breaking of factorisation. There is about a 20% rise in the neutron rate between photoproduction and deep inelastic scattering, which may be attributed to absorptive rescattering in the γp system. or 0.64 < x L < 0.82, the rate of neutrons is almost independent of the Bjorken scaling variable x and Q 2 . However, at lower and higher x L values, there is a clear but weak dependence on these variables, thus demonstrating the breaking of limiting fragmentation. The neutron-tagged structure function, F

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Section: Kinematics and Cross Sectionsmentioning

confidence: 99%

Section: Kinematics and Cross Sectionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Leading neutron production in e+p collisions at HERA

Chekanov¹,

Krakauer²,

Magill³

et al. 2002

Nuclear Physics B

104

166

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“…Previous studies have shown that particle exchange models describe the leading neutron production data both in deep inelastic scattering at HERA and at hadroproduction [11] experiments. In these models the transition amplitude for p → n is dominated by π + exchange [12,13,14,15].…”

Section: Estimate Of the Neutron Flux From Dis On Pionmentioning

confidence: 99%

Pion fluctuation in deep inelastic scattering

Bunyatyan

Povh

2006

Eur. Phys. J. A

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Abstract. The forward neutron production in the ep collisions at 300 GeV measured by H1 and ZEUS Collaborations at DESY has been used to estimate the total probability for proton fluctuation into nπ + and pπ 0 . The probability found is on the order of 30%. This number is compared with the numbers obtained for the probability of quark fluctuation into π + from several alternative DIS processes (Gottfried sum rule, polarized structure function) and the axial-vector coupling constant, where the pion fluctuation is believed to play an important role.

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“…The process of leading neutron production has been studied at several experiments in photon-hadron [10][11][12][13][14][15][16][17] and hadron-hadron [18][19][20][21][22][23][24] colliders. In this paper we consider processes of the type p + p → n + X and p + p → n + X + n. As was noted in [25], the experimental study of charge exchange in hadron-hadron collisions is not so clear.…”

Section: Introductionmentioning

confidence: 99%