First Measurement of Proton-Proton Elastic Scattering at RHIC

S. Bültmann,I-H. Chiang,R. E. Chrien,A. Drees,R. L. Gill,W. Guryn,D. Lynn,C. Pearson,P. Pile,A. Rusek,M. Sakitt,S. Tepikian,J. J. Chwastowski,B. Pawlik,M. Haguenauer,A. A. Bogdanov,S.B. Nurushev,M. F. Runtzo,M. N. Strikhanov,I Alekseev,V. P. Kanavets,L. I. Koroleva,B. V. Morozov,D. N. Svirida,M. Rijssenbeek,C. Tang,S. Yeung,K. De,N. Guler,J. Li,N. Ozturk,A. Sandacz

First Measurement of Proton-Proton Elastic Scattering at RHIC

2004

Abstract The first result of the pp2pp experiment at RHIC on elastic scattering of polarized protons at s =200 GeV is reported here. The exponential slope parameter b of the diffractive peak of the elastic cross section in the t range 0.010⩽| t |⩽0.019 (GeV/ c ) 2 was measured to be b =16.3±1.6(stat.)±0.9(syst.) (GeV/ c ) −2 .

Keywords:

Particle physics
Exponential function
Diffraction
Elastic scattering
Physics
Proton
Nuclear magnetic resonance
Nuclear physics

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