Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Yousef Makdisi"'
Autor:
A. N. Zelenski, K. O. Eyser, I. G. Alekseev, H. Huang, W. B. Schmidke, Andrei Poblaguev, Grigor Atoian, E. C. Aschenauer, D. N. Svirida, Yousef Makdisi
Publikováno v:
Proceedings of XVII International Workshop on Polarized Sources, Targets & Polarimetry — PoS(PSTP2017).
The Polarized Atomic Hydrogen Jet Target (HJET) Polarimeter commissioned in 2004 was designed to measure absolute polarization of proton beams in Relativistic Heavy Ion Collider (RHIC). HJET performance in RHIC Run 2017 (255 GeV proton beams) will be
Autor:
N. W. Williams, D. Lopiano, D. D. Caussyn, A. Yokosawa, W. van Asselt, H. Huang, D. Grosnick, K. Reece, G. Bunce, D. G. Underwood, L. A. Ahrens, L. G. Ratner, S. Y. Lee, A.U. Luccio, H. M. Spinka, Derun Li, J. G. Alessi, T. Roser, A. G. Ufimtsev, Ahovi Kponou, M. E. Beddo, Yousef Makdisi, Kevin Brown
Publikováno v:
Physical Review Letters. 73:2982-2985
A 9[degree] solenoidal spin rotator or 5% partial Siberian Snake was used to successfully accelerate polarized protons for the first time to 10.8 GeV kinetic energy in the Brookhaven Alternating Gradient Synchrotron with partial depolarization due to
Autor:
Yousef Makdisi
Publikováno v:
AIP Conference Proceedings.
The PHENIX experiment took data with transversely polarized proton beams from RUN1 in 2001 through RUN8 in 2008 and measured several transverse single spin asymmetries in various reactions in two kinematic regions; mid rapidity, near XF∼0 in inclus
Publikováno v:
AIP Conference Proceedings.
The electron ion collider (EIC) has been recently identified by the US nuclear physics community in its long range plan, to be the most important future experimental facility for the precision study of QCD and the spin structure of the nucleon. While
Publikováno v:
AIP Conference Proceedings.
Solid NH3 and ND3 provide a highly polarizable, radiation resistant source of polarized protons and deuterons and have been used extensively in high luminosity experiments investigating the spin structure of the nucleon. Over the past twenty years, t
Publikováno v:
AIP Conference Proceedings.
Analysis of the beam intensities from the atomic beam sources (ABS) are reviewed. This analysis shows that the intensity of the beams is saturated in the range of 1017 at/sec. The highest intensity of the polarized hydrogen beam obtained in the RHIC
Autor:
J. Grames, P. Adderley, J. Brittian, J. Clark, J. Hansknecht, D. Machie, M. Poelker, E. Pozdeyev, M. Stutzman, K. Surles-Law, Ahovi Kponou, Yousef Makdisi, Anatoli Zelenski
Publikováno v:
AIP Conference Proceedings.
Ion back‐bombardment is the dominant mechanism that limits the operating lifetime of DC high voltage GaAs photoelectron guns. In this work, an electrically isolated anode electrode was used to distinguish the QE damage contributions of ions produce
Autor:
B. van den Brandt, P. Hautle, J. A. Konter, F. Kurdzesau, F. M. Piegsa, J.-P. Urrego-Blanco, Ahovi Kponou, Yousef Makdisi, Anatoli Zelenski
Publikováno v:
AIP Conference Proceedings.
The methods of dynamically polarizing nuclei (DNP) have not only lead to the development of increasingly sophisticated polarized targets with which the role of spin in nuclear and particle interactions is investigated, but have also opened new possib
Publikováno v:
AIP Conference Proceedings.
This paper was part of the general‐interest session on lecture day, and is thus addressed to a general audience. A 50‐year historic overview of the development of the tools of proton spin physics is presented: nuclear scattering, ion sources for