scholarly journals Anomaly in the differential cross sections at 13 TeV

2021 ◽  
pp. 2150148
Author(s):  
O. V. Selyugin
Keyword(s):  
Elastic Scattering ◽  
Momentum Transfer ◽  
Cross Sections ◽  
Differential Cross ◽  
Scattering Amplitude ◽  
Small Momentum Transfer ◽  
Small Momentum ◽  
Transfer Region ◽  
Elastic Scattering Amplitude ◽  
Unusual Phenomenon

The analysis of the new TOTEM data at 13 TeV in a wide momentum transfer region reveals the unusual phenomenon — the presence in the elastic scattering amplitude of a term with a very large slope that is responsible for the behavior of hadron scattering at a very small momentum transfer. This term can be connected with hadron interactions at large distances.

scholarly journals THE EFFECTS OF THE SMALL-t PROPERTIES OF HADRONIC SCATTERING AMPLITUDE ON THE DETERMINATION OF ITS REAL PART

2012 ◽  
Vol 27 (20) ◽  
pp. 1250113 ◽  
Author(s):  
O. V. SELYUGIN
Keyword(s):  
Experimental Data ◽  
Elastic Scattering ◽  
Cross Sections ◽  
Differential Cross ◽  
Scattering Amplitude ◽  
Differential Cross Sections ◽  
Small Momentum Transfer ◽  
Proton Elastic Scattering ◽  
Spin Flip ◽  
The Impact

Taking into account the different forms of the Coulomb-hadron interference phase and the possible spin-flip contribution the new analysis of the experimental data of the proton–antiproton elastic scattering at 3.8<pL<6.0 GeV/c and small momentum transfer is carried out. It is shown that the size of the spin-flip amplitude can be determined from the form of the differential cross-sections at small-t, and the deviation of ρ(s, t) obtained from the examined experimental data of the [Formula: see text] scattering from the analysis1, based on the dispersion relations, is conserved in all examined assumptions. The analysis of the proton–proton elastic scattering at 9<pL<70 GeV/c also shows the impact of the examined effects on the form of the differential cross-sections.

Proton-proton and proton-deuteron elastic scattering experiments at N. A. L

1973 ◽  
Vol 335 (1603) ◽  
pp. 453-460
Keyword(s):  
Elastic Scattering ◽  
Momentum Transfer ◽  
Energy Dependence ◽  
Cross Sections ◽  
Differential Cross ◽  
Scattering Amplitude ◽  
Proton Proton ◽  
The Real ◽  
Diffraction Region ◽  
Momentum Transfer Range

Differential cross-sections for p-p and p-d elastic scattering have been measured at N. A. L. for 80 < s < 600 GeV 2 in the four-momentum transfer range 0.001 < | t | < 0.15 (GeV/ c ) 2 . Preliminary values are given for the slope parameters in the diffraction region and for the ratio of the real to the imaginary scattering amplitude. The energy dependence of these parameters is discussed.

An experimental investigation of small angle photon elastic scattering

1979 ◽  
Vol 57 (3) ◽  
pp. 343-352 ◽  
Author(s):  
N. Ramanathan ◽  
T. J. Kennett ◽  
W. V. Prestwich
Keyword(s):  
Experimental Investigation ◽  
Elastic Scattering ◽  
Cross Sections ◽  
Small Angle ◽  
Differential Cross ◽  
Bound States ◽  
Scattering Amplitude ◽  
Form Factors ◽  
Differential Cross Sections

The differential cross sections for photon elastic scattering have been determined for targets of Cu, Cd, Ta, and Pb, at angles of 2.4, 3.5, 5.1., 6.0, 8.0, and 10.0° and incident energies of 244.7, 344.3, 443.9, 778.9, 964.0, 1085.8, 1112.0, 1274.2, and 1408.0 keV. The data indicate that presently calculated form factors may be too large, and suggest that intermediate bound states may influence the scattering amplitude.

Proton-deuteron elastic scattering at small momentum transfer from 50 to 400 GeV/c

1975 ◽  
Vol 12 (11) ◽  
pp. 3399-3413 ◽  
Author(s):  
Y. Akimov ◽  
L. Golovanov ◽  
S. Mukhin ◽  
A. Sandacz ◽  
G. Takhtamyshev ◽  
...  
Keyword(s):  
Elastic Scattering ◽  
Momentum Transfer ◽  
Small Momentum Transfer ◽  
Small Momentum
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