PBAR P --> NBAR N
Single Differential Cross Section
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Measurement of the analyzing power and the differential cross-section of the anti-p p charge exchange reaction at LEAR

Birsa, R. ; Bradamante, F. ; Dalla Torre-Colautti, S. ; et al.
Phys.Lett.B 246 (1990) 267-272, 1990.
Inspire Record 296501 DOI 10.17182/hepdata.29676

As part of a programme to study the spin structure of the p p→ n n channel, we have measured the analysing power A 0 n and the differential cross section at an incident antiproton beam momentum of 704 MeV/ c . The analysing power exhibits a remarkable angular dependence, which is poorly reproduced by the existing potential models.

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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