Simple Levy α-Stable Model Analysis of Elastic pp and p(p)over-bar Low-|t| Data from SPS to LHC Energies

被引：1
作者：
Csorgo, Tamas [1 ,2 ]
Hegyi, Sandor [2 ]
Szanyi, Istvan [1 ,2 ,3 ]
机构：
[1] MATE Inst Technol, Karoly Robert Campus,Matra ut 36, H-3200 Gyongyos, Hungary
[2] Wigner Res Ctr Phys, POB 49, H-1525 Budapest, Hungary
[3] Eotvos Lorand Univ, Dept Atom Phys, Pazmany P S 1-A, H-1117 Budapest, Hungary
来源：
UNIVERSE | 2024年 / 10卷 / 03期
关键词：
elastic scattering; proton-proton; proton-antiproton; Levy-alpha stable model; BOSE-EINSTEIN CORRELATIONS; SQUARE-ROOT-S; COLLISION PROCESSES; 4-MOMENTUM TRANSFER; SCATTERING; COLLIDER; TEV; DIFFRACTION; PREDICTIONS; FOUNDATION;
D O I：
10.3390/universe10030127
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A simple Levy alpha-stable (SL) model is used to describe the data on elastic pp and p (p) over bar scattering at low-|t| from SPS energies up to LHC energies. The SL model is demonstrated to describe the data with a strong non-exponential feature in a statistically acceptable manner. The energy dependence of the parameters of the model is determined and analyzed. The Levy alpha parameter of the model has an energy-independent value of 1.959 +/- 0.002 following from the strong non-exponential behavior of the data. We strengthen the conclusion that the discrepancy between TOTEM and ATLAS elastic pp differential cross section measurements arises only in the normalization and not in the shape of the distribution of the data as a function of t. We find that the slope parameter has different values for pp and p (p) over bar elastic scattering at LHC energies. This may be the effect of the odderon exchange or the jump in the energy dependence of the slope parameter in the energy interval 3 GeV less than or similar to root s less than or similar to 4 GeV.
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