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Positron-Proton Scattering

Browman, A. ; Liu, F. ; Schaerf, C. ;
Phys.Rev. 139 (1965) B1079-B1085, 1965.
Inspire Record 944961 DOI 10.17182/hepdata.26686

The importance of two-photon exchange in elastic electron-proton scattering was investigated by measuring the ratio of positron-proton to electron-proton scattering. Four-momentum transfers as large as 0.756 (BeV/c)2 (19.5 F−2) were used. The data indicate that two-photon effects are (4.0±1.5)% larger than those predicted by the radiative corrections at the highest momentum transfers attained in these experiments. The two-photon corrections predicted using a static charge distribution fit the data well at lower momentum transfers and forward angles, but appear to be small at higher momentum transfers and backward angles.

10 data tables
Table 1

Data recalculated from the data of Yount and Pine.

Table 2

Data recalculated from the data of Yount and Pine. RUN_1 and RUN_2 of the Yount and Pine experiment were separated by large time interval.

Table 3

Data recalculated from the data of Yount and Pine.

More…

The slope parameter of the differential cross-section of elastic p-p scattering in energy range 12-70 gev

Beznogikh, G.G. ; Buyak, A. ; Iovchev, K.I. ; et al.
Phys.Lett.B 30 (1969) 274-275, 1969.
Inspire Record 56659 DOI 10.17182/hepdata.28895

The measurements of the differential cross section of elastic p-p scattering in relative units were performed in the energy range of 12–70 GeV. The values of the slope parameter were obtained from this data. It was shown that the slope parameter of the differential p-p scattering is monotonously increasing when the proton energy rises in the range 12–70 GeV. We have obtained the slope Pomeranchuk's pole trajectory from this data: α′ p = 0.40 ± 0.09.

1 data table
Table 1

No description provided.


Total cross-sections of pi-minus, k-minus, and anti-p on protons and deuterons in the momentum range 20-65 gev/c

The IHEP-CERN collaboration Allaby, J.V. ; Bushnin, Yu.B. ; Denisov, S.P. ; et al.
Phys.Lett.B 30 (1969) 500-505, 1969.
Inspire Record 56636 DOI 10.17182/hepdata.6171

Total cross-section data are presented for negative pions, kaons, and antiprotons on protons and deuterons in the momentum range 20 GeV/ c to 65 GeV/ c in 5 GeV/ c steps.

3 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution.

Table 2

No description provided.

Table 3

No description provided.


Total and absorption cross-sections of pi-, k- and anti-p in the momentum range 20-65 gev/c

Allaby, J.V. ; Bushnin, Yu.B. ; Gorin, Yu.P. ; et al.
Yad.Fiz. 12 (1970) 538-557, 1970.
Inspire Record 63289 DOI 10.17182/hepdata.18403

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Slope parameter and ratio of the real to the imaginary part of the forward amplitude of the elastic proton proton scattering at 30, 50 and 70 gev

Chernev, Kh.M. ; Geshkov, I.M. ; Ikov, N.L. ; et al.
Phys.Lett.B 36 (1971) 266-268, 1971.
Inspire Record 69175 DOI 10.17182/hepdata.28408

The differential cross-sections in the range of four momentum transfer squared from 0.003 to 0.120 (GeV c) 2 were measured at 30, 50 and 70 GeV by using a thin polyethilene target in the internal proton beam of the Serpukhov accelerator. The slope parameter, the ratio of the real to the imaginary part of the forward amplitude and the cross-section in the diffraction cone were measured.

2 data tables
Table 1

No description provided.

Table 2

ASSUMING UNIFORM SLOPE.


Negative pion photoproduction off neutron at 180$sup 0$ in the energy range between 300 and 1200 MeV

Takasaki, F. ;
INSJ-126, 1971.
Inspire Record 1085257 DOI 10.17182/hepdata.40522

None

50 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

More…

P p and p d elastic scattering at 50 and 70 gev

Devenski, P.A. ; Zayachki, V.I. ; Zlatanov, Z.M. ; et al.
Yad.Fiz. 14 (1971) 367-370, 1971.
Inspire Record 69427 DOI 10.17182/hepdata.19274

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Total cross-sections of pi+, K+ and p on protons and deuterons in the momentum range 15-GeV/c to 60-GeV/c

Denisov, S.P. ; Donskov, S.V. ; Gorin, Yu.P. ; et al.
Phys.Lett.B 36 (1971) 415-421, 1971.
Inspire Record 67626 DOI 10.17182/hepdata.28398

Total cross-section data are presented for protons, positive pions and positive kaons on protons and deuterons in the momentum range 15 GeV/ c to 60 GeV/ c in 5 GeV/ c steps.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Energy dependence of pi-, K- and anti-p total cross-sections on protons in the momentum range up to 65-GeV/c

Denisov, S.P. ; Dmitrevsky, Yu.P. ; Donskov, S.V. ; et al.
Phys.Lett.B 36 (1971) 528-532, 1971.
Inspire Record 67295 DOI 10.17182/hepdata.28394

π − p , K − p and p p total cross-sections are measured at momenta up to 65GeV/ c with statistical accuracy 0.3 ÷ 0.6% and systematical (scale) error ≈ 0.4%.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Small angle proton proton elastic scattering from 9 to 70 gev/c

Beznogikh, G.G. ; Bujak, A. ; Kirillova, L.F. ; et al.
Phys.Lett.B 39 (1972) 411-413, 1972.
Inspire Record 75806 DOI 10.17182/hepdata.28333

Proton-proton elastic scattering has been measured over the four-momentum transfer squared 0.0007 ⩽ t ⩽ 0.02 GeV 2 /c 2 . A gas hydrogen jet has been used as an internal target of the accelerator. The results indicate that the ratio of the real to the imaginary part of the proton-proton forward scattering amplitude rises smoothly with increasing energy from α = −0.35 ± 0.05 at p = 9.39 GeV/ c to α = −0.092 ± 0.011 at p = 69.8 GeV/ c .

1 data table
Table 1

THE TOTAL ELASTIC CROSS SECTION IS DERIVED FROM THE OPTICAL THEOREM POINT AND SLOPE PARAMETER.