The Spin Studies in Few-Body Systems at Nuclotron

Ladygin, V. P.; Dobrin, I.; Fimushkin, V. V.; Finogenov, D. A.; Genchev, S. G.; Gurchin, Yu. V.; Ierusalimov, A.; Isupov, A.; Itoh, Kazuya; Janek, M.; Karpechev, E.; Karachuk, J. T.; Khabarov, S.; Kawabata, T.; Khrenov, A. N.; Краснов, В. А.; Kurepin, A.; Kurilkin, A.; Kurilkin, P. K.; Ladygina, N. B.; Lipchinski, D.; Livanov, A. N.; Maeda, Y.; Malakhov, A.; Martinská, G.; Piyadin, S. M.; Popovichi, J.; Prokofichev, A. N.; Rapatsky, V.; Reshetin, A.; Reznikov, S. G.; Rukoyatkin, P.; Sakaguchi, Satoshi; Sakai, H.; Sasamoto, Y.; Sekiguchi, K.; Skhomenko, Ya. G.; Suda, K.; Syschenko, V. V.; Hockicko, Peter; Terekhin, A. A.; Uesaka, T.; Urbán, J.; Vasiliev, T.; Vnukov, I. E.; Zamiatin, N.; Zubarev, E.

doi:10.1142/s2010194516600740

Cited by 10 publications

(8 citation statements)

References 25 publications

(5 reference statements)

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“…The availability of the polarized proton beam allows to extend the DSS physics program at ITS [4], namely, to perform the experiments on the measurements of the nucleon analyzing power A p y in pd-elastic scattering at 135-1000 MeV and in pd-nonmesonic breakup at the energies between 135-250 MeV for different kinematic configurations etc.…”

Section: Discussionmentioning

confidence: 99%

“…This program can be extended by the measurements of the single and double spin asymmetries in the pion, kaon, proton inclusive production, vector mesons and hyperon production in polarized proton-proton collisions etc. Moreover, polarized proton beam is needed for the spin studies with fixed target, namely, measurements of spin observables proton-proton, proton-neutron and proton-deuteron elastic scattering., investigation of the spin structure of the short-range nucleon correlations and three nucleon forces [4]. The realization of this program requires good knowledge of the proton beam polarization.…”

Section: Introductionmentioning

confidence: 99%

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First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

Ladygin

Gurchin

Isupov

et al. 2017

J. Phys.: Conf. Ser.

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The spin program at NICA using SPD and MPD requires high intensity polarized proton beam with high value of the beam polarization. First results on the measurements of the proton beam polarization performed at internal target at Nuclotron are reported. The polarization of the proton beam provided by new source of polarized ions has been measured at 500 MeV using quasielastic proton-proton scattering and DSS setup at internal target. The obtained value of the vertical polarization of ∼35% is consistent with the calculations taking into account the current magnetic optics of the Nuclotron injection line.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

Ladygin

Gurchin

Isupov

et al. 2017

J. Phys.: Conf. Ser.

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show abstract

“…The availability of the polarized proton beam allows to extend the DSS physics program at ITS [13], namely, to perform the experiments on the measurements of the nucleon analyzing power A p y in pd-elastic scattering at 135-1000 MeV, in pd-nonmesonic breakup at the energies between 135-250 MeV for different kinematic configurations, in the pA → ppX reactions etc.…”

Section: Discussionmentioning

confidence: 99%

“…The motivation of this program at low and intermediate energies is based on theoretical analysis of the experimental results obtained for the deuteron induced reactions (see recent reviews [11,12] and references therein). Importance of the dp-elastic scattering studies at high energy is discussed in [13].…”

Section: Introductionmentioning

confidence: 99%

First results on the energy scan of the vectorA_yand tensorA_yyandA_xxanalyzing powers in deuteron-proton elastic scattering at Nuclotron¹

Ladygin¹,

Averyanov²,

Chernykh³

et al. 2017

J. Phys.: Conf. Ser.

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These data have been obtained in 2016-2017 at DSS setup at internal target station using polarized deuteron beam from new source of polarized ions. The preliminary data on the deuteron analyzing powers in in the wide energy range demonstrate the sensitivity to the shortrange spin structure of the nucleon-nucleon correlations. IntroductionOne of the tools to investigate the equation-of-state (EOS) of dense nuclear matter is the study of the short range correlations (SRC) of nucleons in nuclei which is the subject of intensive theoretical and experimental works during last years. Since SRC have densities comparable to the density in the center of a nucleon which is about ρ ∼ 5ρ 0 (ρ 0 ≈ 0.17 fm −3 ), they can be considered as the drops of cold dense nuclear matter [1]. These studies explore a new part of the phase diagram and very essential to understand the evolution of neutron stars.The results obtained at BNL [2], SLAC [3] and JLAB [4,5] clearly demonstrate that more than 90% all nucleons with momenta k ≥ 300 MeV/c belong to 2N SRC; the probability for a given proton with momenta 300 ≤ k ≤ 600 MeV/c to belong to pn correlation is ∼18 times larger than for pp correlations; the probability for a nucleon to have momentum ≥ 300 MeV/c in medium nuclei is ∼25%; 3N SRC are present in nuclei with a significant probability [6]. However, still many open questions persist and further investigations are required both from the experimental and theoretical sides. For instance, the experimental data on the spin structure of 2N (I=1) and 3N SRC are almost absent.

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“…The motivation of this program at low and intermediate energies is based on theoretical analysis of the experimental results obtained for the deuteron induced reactions (see recent reviews [11,12] and references therein). Importance of the d p-elastic scattering studies at high energy is discussed in [13].…”

Section: Introductionmentioning

confidence: 99%

Spin studies of the short-range correlations at Nuclotron

Ladygin¹,

Averyanov²,

Chernykh³

et al. 2019

Proceedings of 23rd International Spin Physics Symposium — PoS(SPIN2018)

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The Spin Studies in Few-Body Systems at Nuclotron

Cited by 10 publications

References 25 publications

First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

First results on the energy scan of the vectorA_yand tensorA_yyandA_xxanalyzing powers in deuteron-proton elastic scattering at Nuclotron¹

Spin studies of the short-range correlations at Nuclotron

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The Spin Studies in Few-Body Systems at Nuclotron

Cited by 10 publications

References 25 publications

First results on the measurements of the proton beam polarization at internal target at Nuclotron1

First results on the measurements of the proton beam polarization at internal target at Nuclotron1

First results on the energy scan of the vectorAyand tensorAyyandAxxanalyzing powers in deuteron-proton elastic scattering at Nuclotron1

Spin studies of the short-range correlations at Nuclotron

Contact Info

Product

Resources

About

First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

First results on the measurements of the proton beam polarization at internal target at Nuclotron¹

First results on the energy scan of the vectorA_yand tensorA_yyandA_xxanalyzing powers in deuteron-proton elastic scattering at Nuclotron¹