The polarized proton and antiproton beam project at U-70 accelerator

A quite simple procedure for the generation of a polarized antiproton beam could be worked out if antiprotons are produced with some polarization. In order to investigate this possibility measurements of the polarization of produced antiprotons have been started at a CERN/PS test beam. The polarization will be determined from the asymmetry of the elastic antiproton scattering at a liquid hydrogen target in the CNI region for which the analyzing power is well known. The data are under analysis and an additional measurement is done in 2018. Details on the experiment and the ongoing data analysis will be given.

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Proposal of the complete experiment for elastic pp and p(bar)p scattering at SPASCHARM program at U70 accelerator

Bøgdanov

Chetvertkova

Kalugin

et al. 2019

J. Phys.: Conf. Ser.

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Newly developing SPASCHARM (SPin Asymmetry in CHARMonia) experiment at U70 accelerator will give the unique possibility to measure spin effects with the use of polarized proton and antiproton beams and polarized target. We suggest to carry out the measurements of the pp and p(bar)p elastic scattering spin observables at 16 GeV/c (direct reconstruction of elastic pp and p(bar)p elastic scattering amplitudes at SPASCHARM experiment). To date the direct reconstruction of amplitudes for pp elastic scattering was performed up to 6 GeV/c only, meanwhile there is no available data for p(bar)p elastics scattering. New measurements at SPASCHARM will significantly extend the energy range of the spin studies and will give unique possibility to compare elastic pp and p(bar5)p scattering

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The polarized proton and antiproton beam project at U-70 accelerator

Cited by 7 publications

References 14 publications

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Proposal of the complete experiment for elastic pp and p(bar)p scattering at SPASCHARM program at U70 accelerator

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