中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Results on total and elastic cross sections in proton-proton collisions at root s=200 GeV

文献类型:期刊论文

AuthorAdam, J.32; Adamczyk, L.41; Adams, J. R.14; Adkins, J. K.4; Agakishiev, G.2; Aggarwal, M. M.17; Ahammed, Z.37; Alekseev, I10,42; Anderson, D. M.31; Aparin, A.2
SourcePHYSICS LETTERS B
Issued Date2020-09-10
Volume808Pages:8
KeywordElastic scattering Diffraction Proton-proton collisions
ISSN0370-2693
DOI10.1016/j.physletb.2020.135663
Corresponding AuthorGuryn, W.(guryn@bnl.gov)
English AbstractWe report results on the total and elastic cross sections in proton-proton collisions at root s = 200 GeV obtained with the Roman Pot setup of the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The elastic differential cross section was measured in the squared four-momentum transfer range 0.045 <= -t <= 0.135 GeV2. The value of the exponential slope parameter B of the elastic differential cross section d sigma/dt e(-Bt) in the measured -t range was found to be B = 14.32 +/- 0.09(stat.)(-0.28)(+0.13)(syst.) GeV-2. The total cross section stot, obtained from extrapolation of the ds/dt to the optical point at -t = 0, is d(tot) = 54.67 +/- 0.21(stat.)(-1.38)(+1.28)(syst.) mb. We also present the values of the elastic cross section sigma(el) = 10.85 +/- 0.03(stat.)(-0.41)(+0.49()syst.) mb, the elastic cross section integrated within the STAR t-range sigma(det)(el) = 4.05 +/- 0.01(stat.)-(+0.18)(0.17)(syst.) mb, and the inelastic cross section sigma(inel) = 43.82 +/- 0.21(stat.)(-1.44)(+1.37) (syst.) mb. The results are compared with the world data. (C) 2020 The Author. Published by Elsevier B.V.
WOS KeywordPP COLLISIONS ; STAR DETECTOR ; SCATTERING ; (P)OVER-BARP ; TEV
Funding ProjectOffice of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; National Research Foundation of Korea ; Czech Science Foundation ; National Natural Science Foundation of China ; Ministry of Education, Youth and Sports of the Czech Republic ; Hungarian National Research Development and Innovation Office ; New National Excellency Programme of the Hungarian Ministry of Human Capacities ; Department of Atomic Energy of the Government of India ; Department of Science and Technology ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; ROSATOMof Russia ; Helmholtz Association
WOS Research AreaAstronomy & Astrophysics ; Physics
Language英语
WOS IDWOS:000571769700041
PublisherELSEVIER
Funding OrganizationOffice of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; National Research Foundation of Korea ; Czech Science Foundation ; National Natural Science Foundation of China ; Ministry of Education, Youth and Sports of the Czech Republic ; Hungarian National Research Development and Innovation Office ; New National Excellency Programme of the Hungarian Ministry of Human Capacities ; Department of Atomic Energy of the Government of India ; Department of Science and Technology ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; ROSATOMof Russia ; Helmholtz Association