PBAR P --> NBAR N
Single Differential Cross Section
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Measurement of the $\bar{p} p \to \bar{n} n$ Cross-section at Low $\bar{p}$ Momenta

Bruckner, W. ; Dobbeling, H. ; Guttner, F. ; et al.
Phys.Lett.B 169 (1986) 302-308, 1986.
Inspire Record 219986 DOI 10.17182/hepdata.30264

First measurements of the differential cross section are presented for p ̄ p → n ̄ n at LEAR in the momentum range between 180 and 600 MeV/ c . The differential cross sections show a forward peaking followed by a smooth drop-off. No indication of the “bump-dip” structure reported at higher momenta has been observed. The angle-integrated charge-exchange cross sections are determined down to E n ̄ n cm = 6.6 MeV .

2 data tables
Table 1

No description provided.

Table 2

No description provided.


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
Table 1

NUMERICAL VALUES SUPPLIED BY F. SAI.

Table 2

NUMERICAL VALUES SUPPLIED BY F. SAI.

Table 3

NUMERICAL VALUES SUPPLIED BY F. SAI.

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Study of the $\bar{p} p \to \bar{n} n$ Reaction in the Momentum Range 480-{MeV}/$c$ to 728-{MeV}/$c$

Tsuboyama, T. ; Kubota, Y. ; Sai, F. ; et al.
Phys.Rev.D 28 (1983) 2135, 1983.
Inspire Record 189641 DOI 10.17182/hepdata.23789

The total and differential p¯p charge-exchange cross sections were obtained at seven momenta in the range 480 to 728 MeV/c. The total cross sections are roughly consistent with other data. The momentum dependences of the Legendre coefficients a1a0, a2a0, and a3a0 of the differential cross sections do not agree well with the predictions of the Bryan-Phillips model, unlike the case of elastic scattering.

5 data tables
Table 1

TWO SETS OF DATA ARE GIVEN. THIS FIRST IS THAT PREFERRED USING THE CROSS SECTIONS OF BIZZARI ET AL.

Table 2

SECOND SET USING BURROWS ET AL., CROSS SECTIONS.

Table 3

DATA NORMALIZED TO THE CROSS SECTIONS OF HAMILTON ET AL., PRL 44, 1179 (1980).

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