Diffraction Dissociation of High Energy Protons on Hydrogen and Deuterium Targets

Akimov, Y. ; Bartenev, V. ; Cool, R. ; et al.
Phys.Rev.Lett. 39 (1977) 1432, 1977.
Inspire Record 121766 DOI 10.17182/hepdata.21002

We report results from a measurement of the inclusive processes pp→Xp and pd→Xd in the range 5<Mx2s<0.1, 0.01≲|t|≲0.1 (GeV/c)2, and incident proton momenta of 65, 154, and 372 GeV/c. Both pp and pd data show an exponential t dependence and a dominant 1Mx2 behavior for Mx2s≲0.05. By comparing pp and pd data we test factorization and, using the Glauber model, we measure the XN total cross section, σXN=43±10 mb.

4 data tables

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Excitation of High-Energy Protons Into Low Mass States in p d Interactions

Akimov, Y. ; Golovanov, L. ; Mukhin, S. ; et al.
Phys.Rev.Lett. 35 (1975) 763, 1975.
Inspire Record 99830 DOI 10.17182/hepdata.21129

We have measured p−d inelastic scattering at small momentum transfer by detecting the slow-recoil deuterons from a deuterium-gas-jet target. The coherent diffraction dissociation of protons on deuterons was studied in the region 0.03<|t|<0.07 (GeV/c)2, 1.4<MX2<4 GeV2, and for energies from 50 to 275 GeV. In this region, the diffractive cross section exhibits structure and is dominated by an enhancement at MX2∼1.9 GeV2.

3 data tables

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Diffraction Dissociation of High-Energy Protons in p d Interactions

Akimov, Y. ; Golovanov, L. ; Mukhin, S. ; et al.
Phys.Rev.Lett. 35 (1975) 766, 1975.
Inspire Record 99831 DOI 10.17182/hepdata.21128

We report results from a measurement of the inclusive process p+d→X+d in the region 0.03<|t|<0.12 (GeV/c)2 and 5 GeV2<MX2≲0.11plab for incident proton momenta from 150 to 400 GeV/c. We find that in this region, the differential cross section d2σdtdMX2 varies only slowly with energy, falls exponentially with |t|, and behaves to a good approximation as 1MX2. The measurement was performed at Fermilab by detecting slow-recoil deuterons from a deuterium-gas-jet target placed at the internal beam of the accelerator.

3 data tables

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