Diffractive production and the total cross section in deep inelastic scattering

Kuroda M, Schildknecht D (2002)
PHYSICAL REVIEW D 66(9): 094005.

Journal Article | Published | English

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We explore the consequences for diffractive production, gamma*p-->Xp, in deep inelastic scattering at low values of xcongruent toQ(2)/W(2)much less than1 that follow from our recent representation of the total photoabsorption cross section, sigma(gamma*p), in the generalized vector dominance or color dipole picture that is based on the generic structure of the two-gluon exchange from QCD. Sum rules are derived that relate the transverse and the longitudinal (virtual) photoabsorption cross section to diffractive forward production of q (q) over bar states that carry photon quantum numbers ("elastic diffraction"). Agreement with experiment in the W-2 and Q(2) dependence is found for M-X(2)/Q(2)much less than1, where M-X is the mass of the produced system X. An additional component ("inelastic diffraction"), not actively contributing to the forward Compton amplitude, is needed for diffractive production at high values of M-X. Our previous theoretical representation of the total photoabsorption cross section, sigma(gamma*p)=sigma(gamma*p)(eta), in terms of the scaling variable etaequivalent to(Q(2)+m(0)(2))/Lambda(2)(W-2) is extended to include the entire kinematic domain, xless than or equal to0.1 and all Q(2) with Q(2)greater than or equal to0, where scaling in eta holds experimentally.
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Kuroda M, Schildknecht D. Diffractive production and the total cross section in deep inelastic scattering. PHYSICAL REVIEW D. 2002;66(9): 094005.
Kuroda, M., & Schildknecht, D. (2002). Diffractive production and the total cross section in deep inelastic scattering. PHYSICAL REVIEW D, 66(9): 094005.
Kuroda, M., and Schildknecht, D. (2002). Diffractive production and the total cross section in deep inelastic scattering. PHYSICAL REVIEW D 66:094005.
Kuroda, M., & Schildknecht, D., 2002. Diffractive production and the total cross section in deep inelastic scattering. PHYSICAL REVIEW D, 66(9): 094005.
M. Kuroda and D. Schildknecht, “Diffractive production and the total cross section in deep inelastic scattering”, PHYSICAL REVIEW D, vol. 66, 2002, : 094005.
Kuroda, M., Schildknecht, D.: Diffractive production and the total cross section in deep inelastic scattering. PHYSICAL REVIEW D. 66, : 094005 (2002).
Kuroda, M, and Schildknecht, Dieter. “Diffractive production and the total cross section in deep inelastic scattering”. PHYSICAL REVIEW D 66.9 (2002): 094005.
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