Charge exchange anti-p p ---> anti-n n differential cross-sections between 546-MeV/c and 1287-MeV/c

Ahmidouch, A. ; Heer, E. ; Hess, R. ; et al.
Phys.Lett.B 364 (1995) 116-120, 1995.
Inspire Record 407478 DOI 10.17182/hepdata.28461

The differential cross section of the charge-exchange reaction p p → n n has been measured at the CERN Low Energy Antiproton Ring (LEAR) at seven p momenta in the range 546–1287 MeV/ c . A pentanol polarized target has been used and the neutron and the antineutron have been detected in coincidence. The data cover most of the angular range.

7 data tables

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Measurement of the anti-p p Charge Exchange Cross-Section Below 1-GeV/c

Alston-Garnjost, M. ; Kenney, R. ; Pollard, D. ; et al.
Phys.Rev.Lett. 35 (1975) 1685, 1975.
Inspire Record 99503 DOI 10.17182/hepdata.21220

No definite evidence for structure is found in the p¯p→n¯n cross section between 276 and 963 MeV/c. From these results limits are deduced on properties of the narrow enhancement reported in the p¯p total cross section at 475 MeV/c.

1 data table

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Anti-Proton-Proton Charge-Exchange Between 1-GeV/c and 3-GeV/c

Cutts, D. ; Good, M.L. ; Grannis, P.D. ; et al.
Phys.Rev.D 17 (1978) 16, 1978.
Inspire Record 728 DOI 10.17182/hepdata.24451

We have measured the reaction cross section for p¯p→n¯n in small momentum steps between 0.97 and 3.13 Gev/c to a high level of statistical accuracy. Structures are observed in the vicinity of Plab=1.25 GeVc and 1.8 GeVc which are consistent with the structure observed in the p¯p total cross section.

1 data table

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The charge exchange anti-p p ---> anti-n n at 5.0 and 7.76 gev/c near the forward direction

Lee, J.G. ; Harckham, A. ; Letheren, M. ; et al.
Nucl.Phys.B 52 (1973) 292-300, 1973.
Inspire Record 84235 DOI 10.17182/hepdata.32683

The differential cross section for the charge exchange p p → n n has been measured with high statistics at 7.76 GeV/ c and at 5.0 GeV/ c . The 7.76 GeV/ c data show a very narrow [ Δt ⪅ 0.01 (GeV/ c ) 2 ] forward peak superposed on a slow exponential fall-off.

3 data tables

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INTEGRATED CROSS SECTIONS FROM EXPONENTIAL FIT.