First extraction of the 3.42 A GeV 12C beam for studies of baryonic matter at Nuclotron

Piyadin, S. M.; Khrenov, A. N.; Terekhin, A. A.; Isupov, A. Yu.; Ladygin, V. P.; Gurchin, Yu. V.; Livanov, A. N.; Lukstiņš, J.; Kurilkin, A. K.; Kurilkin, P. K.; Reznikov, S. G.; Vasiliev, T.

doi:10.1134/s1547477112080080

Cited by 7 publications

(9 citation statements)

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“…Since the multiplicity of the secondary particles is small (2 or 3 tracks) the forward and outer trackers only can be used. The BM@N experimental setup will be installed at the renovated 6V beamline [35] in the fixedtarget hall of the Nuclotron. The 6V beamline contains the quadrupole lenses doublet, two dipole magnets allowing to correct the beam position in the vertical and horizontal planes, and SP41 dipole magnet with enlarged aperture for the momentum measurements [36].…”

Section: Spin Studies With Extracted Polarized Deuteron Beammentioning

confidence: 99%

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Study of polarization effects at Nuclotron

Ladygin

Janek

Kurilkin

et al. 2016

J. Phys.: Conf. Ser.

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Abstract. The major goal of the upgraded Nuclotron facility is to obtain the information on the equation-of-state for dense nuclear matter playing a key role in the under standing of the collapse supernovae and neutron stars stability. These studies can be performed either in heavy ion collisions or via the short-range few nucleon correlations. The obtained experimental results and future program with the use of polarized deuteron beam and the internal target station are discussed. The polarization studies for the NN, NA and dA reactions with the extracted deuteron beam at the BM@N setup are proposed. The further extension of the polarization program at BM@N is related with the study of the in-medium modification of the polarization for the strange and multi-strange baryons and the spin alignment for vector mesons decaying in hadronic modes. IntroductionThe Nuclotron at JINR will provide beams of heavy ions with energies up to 6 A·GeV for isospin symmetric nuclei, and 4.65 A·GeV for Au nuclei. In central heavy-ion collisions at these energies, nuclear densities of about 4 times nuclear matter density can be reached. These conditions are well suited to investigate the equation-of-state (EOS) of dense nuclear matter which plays a central role for the dynamics of core collapse supernovae and for the stability of neutron stars. The observation of multi-strange hyperons or of light hypernuclei at Nuclotron energies would represent a breakthrough in our understanding of strange matter, and would pave the road for the experimental exploration of the 3-rd dimension of the nuclear chart [1]. These studies are complimentary to the CBM experimental program at SIS100 [2]. Another tool to investigate the EOS at large densities 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 [3]. 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 [4], SLAC [5] and JLAB [6,7] 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 [8]. However, still many open questions persist and further investigations are required both from the

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Section: Spin Studies With Extracted Polarized Deuteron Beammentioning

confidence: 99%

“…The other option for the TOF start is the 4 mm scintillation counter viewed from both sides by XP2020 PMT. This counter can be placed in front of the lenses doublet of the 6V beam line [35]. Both start counter options provide similar amount of the additional material.…”

Section: Spin Studies With Extracted Polarized Deuteron Beammentioning

confidence: 99%

Study of polarization effects at Nuclotron

Ladygin

Janek

Kurilkin

et al. 2016

J. Phys.: Conf. Ser.

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“…The experiment to measure T 20 and C yy for the 3 He(d, p) 4 He -reaction at 1.0-2.0 GeV deuterons energy is planned. The results of this experiment will help to understand the short-range deuteron spin structure.In addition the study of deuterons interaction with protons and nuclei is included in DSS project.…”

Section: Introductionmentioning

confidence: 99%

“…First extraction of the 3.42 A·GeV carbon beam and of the 4 A·GeV deuteron beam [4] at Nuclotron and their transportation to the beam experimental area and the measurements of dp-elastic scattering, dW-and dAg-quasi-elastic scattering at internal target station at Nuclotron are performed.…”

Section: Introductionmentioning

confidence: 99%

Preparation of experiments to study light nuclei structure at Nuclotron

Terekhin¹,

Ladygin²

2013

Proceedings of XXI International Baldin Seminar on High Energy Physics Problems — PoS(Baldin ISHEPP XXI)

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“…Spin physics with extracted polarized deuteron beam from new polarized deuteron source [32] can be performed with the start version of the BM@N setup [33]. The BM@N experimental setup will be installed at the renovated 6V beamline [34] in the fixed-target hall of the Nuclotron. The 6V beamline contains the quadrupole lenses doublet, two dipole magnets allowing to correct the beam position in the vertical and horizontal planes, and SP-41 dipole magnet with enlarged aperture for the momentum measurements [35].…”

Section: Experiments At Extracted Deuteron Beammentioning

confidence: 99%

Investigation of reactions using polarized and unpolarized deuteron beam at Nuclotron: current status and perspectives

et al. 2017

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Abstract. Deuteron induced reactions at intermediate energies are investigated at InternalTarget Station (ITS) of Nuclotron. The dp elastic scattering data have been accumulated in the angular range (70 • -120 • ) in c.m from 0.3 to 2.0 GeV of deuteron energy. Part of the obtained results of differential cross sections and analyzing powers of dp elastic scattering are compared with theoretical predictions based on relativistic multi-scattering model. The dp breakup data are obtained with the detection of two outgoing protons at the angles of (19 • -54 • ) in laboratory frame at the deuteron energies from 0.3 to 0.5 GeV in various detector configurations. One of the tools to study spin structure of short range correlations is the measurements of the cross section, tensor analyzing power T 20 and spin correlation parameter C y,y in the d

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First extraction of the 3.42 A GeV 12C beam for studies of baryonic matter at Nuclotron

Cited by 7 publications

References 0 publications

Study of polarization effects at Nuclotron

Study of polarization effects at Nuclotron

Preparation of experiments to study light nuclei structure at Nuclotron

Investigation of reactions using polarized and unpolarized deuteron beam at Nuclotron: current status and perspectives

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