Numerical modeling of a proton spin-flipping system in the spin transparency mode at an integer spin resonance in JINR's Nuclotron

Filatov, Yu. N.; Kondratenko, A. M.; Kondratenko, M. A.; Vorobyov, Vadim; Vinogradov, S. V.; Tsyplakov, E. D.; Butenko, Andrey; Syresin, E. M.; Kostromin, S. A.; Derbenev, Ya. S.; Morozov, Vasiliy

doi:10.1088/1748-0221/16/12/p12039

Cited by 6 publications

(2 citation statements)

References 24 publications

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“…The measured value of the proton beam polarization was ∼40% [12]. Physics at SPD requires a significant increasing of the beam intensity as well as the development of the spin orientation preserving system [13]. Therefore, the facility operation in ppmode at √ s = 27 GeV reaching average luminosity of ∼10 32 cm −2 • s −1 remains the first priority task for coming years.…”

Section: Requirements To Polarized Beam Facilitymentioning

confidence: 99%

Spin Physics Detector at NICA

Ladygin¹

2022

Preprint

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The Spin Physics Detector is one of two large setups at the NICA collider under construction at JINR (Dubna). The ultimate goal of the studies at SPD is the measurement of different spin observables in polarized proton-proton and deuteron-deuteron collisions sensitive to the polarized gluon structure of the nucleon at the luminosity up to 10 32 cm −2 • s −1 and √ s up to 27 GeV. SPD will consist of the superconducting magnetic system, silicon tracker, straw mini-drift tubes tracker, time-of-flight system, electromagnetic "shashlyk"-type calorimeter, muon (range) and local-polarimetry systems. The high performance free-streaming DAQ system will be able to operate at the collision rate up to 4 MHz.

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Section: Requirements To Polarized Beam Facilitymentioning

confidence: 99%

Spin Physics Detector at NICA

Ladygin¹

2022

Preprint

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“…Spin-flipping systems can significantly reduce systematic errors in experiments with polarized particles. Let us provide an example of numerical modeling of spin flipping in Nuclotron [24] (see Fig. 4).…”

Section: Spin-flipping Systemmentioning

confidence: 99%

Spin Transparency Method for High Precision Experiments with Polarized Beams

Filatov

Derbenev

Suleiman

et al. 2022

Proceedings of the 24th International Spin Symposium (SPIN2021)

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The spin transparency method is a technique for efficient and flexible control of the beam polarization in a synchrotron. It can be implemented in a figure-8 collider, a racetrack with two identical Siberian snakes, as well as in a conventional ring at an energy corresponding to an integer spin resonance. Weak-field magnetic insertions called Spin Navigators provide polarization stabilization and manipulation including spin flipping. By compensating the spin effects of imperfections, a real synchrotron can be turned into an effectively ideal ring from the spin dynamics point of view thus enabling fundamental ultra-high precision experiments such as search for Electric Dipole Moment and Dark Matter. We discuss the possibility of applying the spin transparency mode at ultra-high energies.

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Spin Navigator Based on Correcting Dipoles of the JINR Nuclotron

Filatov

Kondratenko

et al. 2022

Jetp Lett.

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A spin navigator based on correcting dipoles has been proposed to manipulate the directions of protons spins in experiments at the Nuclotron synchrotron (JINR, Dubna). The polarization is controlled by means of the controllable distortion of the beam closed orbit by correcting dipoles, which ensures the significant enhancement of the action of the navigator on the spins of particles. A method has been proposed to measure the coherent effect of the lattice imperfection on the spin dynamics by the navigator. An idea of a spin compensator based on correcting dipoles is presented, which allows one to eliminate the effect of the lattice imperfection on the polarization. The proposed navigator and spin compensator make it possible to perform a series of experiments at the Nuclotron to verify a new polarization control technique called the spin transparency mode. The results are relevant for experiments with polarized beams in the spin transparency regime at the NICA (Dubna, Russia) and EIC (Brookhaven, United States) and the COSY synchrotron (Julich, Germany).

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Numerical modeling of a proton spin-flipping system in the spin transparency mode at an integer spin resonance in JINR's Nuclotron

Cited by 6 publications

References 24 publications

Spin Physics Detector at NICA

Spin Physics Detector at NICA

Spin Transparency Method for High Precision Experiments with Polarized Beams

Spin Navigator Based on Correcting Dipoles of the JINR Nuclotron

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