MEASUREMENT OF THE ANTI-P P ---> ANTI-N N DIFFERENTIAL CROSS-SECTIONS AT LOW MOMENTA AND CONFIRMATION OF THE FORWARD DIP

Nakamura, K. ; Fujii, T. ; Kageyama, T. ; et al.
Phys.Rev.Lett. 53 (1984) 885-888, 1984.
Inspire Record 207326 DOI 10.17182/hepdata.20405

The differential cross sections of the reaction p―p→n―n were measured at 390, 490, 590, 690, and 780 MeV/c. The existence of the theoretically predicted forward dip is confirmed. The results are compared with the predictions of various N―N potential models.

6 data tables

NUMERICAL VALUES SUPPLIED BY F. SAI.

NUMERICAL VALUES SUPPLIED BY F. SAI.

NUMERICAL VALUES SUPPLIED BY F. SAI.

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MEASUREMENT OF THE ANTI-P P CHARGE EXCHANGE CROSS-SECTION FROM 0.119-GEV/C TO 1.046-GEV/C

Hamilton, R.P. ; Pun, T.P. ; Tripp, R.D. ; et al.
Phys.Rev.Lett. 44 (1980) 1179-1181, 1980.
Inspire Record 157723 DOI 10.17182/hepdata.20730

Charge-exchange cross section for antiprotons on protons has been measured in closely spaced momentum intervals from 0.119 to 1.046 GeV/c. The regions of the reported resonances at 1936 and 2020 MeV were scanned in 10-MeV/c steps with a typical statistical error of ≈ 1% and an rms mass resolution of ± 1.5 MeV. No enhancements were observed.

1 data table

ERROR ON INCIDENT MOMENTUM IS RMS RESOLUTION. LARGE UNCERTAINTIES EXIST IN THE MEAN INTERACTION MOMENTUM FOR THE TWO LOWEST MOMENTUM POINTS.


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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