GLOBUS-M Tokamak Magnets

Alekseev, A.; Arneman, A.; Belyakov, V.A.; Boulgakov, S.A.; Bykov, V.; Divavin, V.A.; Egorov, K.; Grigor’ev, S. A.; Гусев, В. К.; Kavin, А.; Korotkov, V. A.; Krivchenkov, Y.; Kuzmin, E. G.; Malkov, A.; Panin, A.; Sakharov, N. V.; Soikin, V.F.

doi:10.1016/b978-0-444-82762-3.50176-2

Cited by 4 publications

(6 citation statements)

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“…A recent calculation of the quark spin, which included the disconnected contributions was carried out using Clover fermions giving ∆u + ∆d + ∆s = 0.45 (4)(9) with ∆s = −0.020(10)(4) at µ = √ 7.4 GeV [35]. This calculation shows that the strange quark contribution to the nucleon spin is small, a result consistent with COMPASS [36] and HERMES data [37]. [38] and N f = 2 + 1 + 1 [32] TMF, N f = 2 clover fermions [25,39], hybrid [28] and DWF [40].…”

Section: Nucleon Spinsupporting

confidence: 57%

Hadron physics and lattice QCD

Alexandrou¹

2013

AIP Conference Proceedings

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Section: Nucleon Spinsupporting

confidence: 57%

Hadron physics and lattice QCD

Alexandrou¹

2013

AIP Conference Proceedings

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“…In Fig. 4 we plot Sivers function extracted from the experimental data from HERMES [27] and COMPASS [10] collaborations, in Fig. 4 we show a three dimensional parton distribution at x = 0.01, as can be seen from Fig.…”

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confidence: 98%

“…where φ h and φ S are azimuthal angles of produced hadron and target polarisation vector with respect to lepton scattering plane. Experimental data on SIDIS asymmetries A sin(φ h +φS) UT from HERMES, COMPASS collaborations [9,10] and e + e − → h 1 h 2 X data from BELLE collaboration [11] allow extraction [12,13] of transversity and Collins fragmentation function.…”

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confidence: 99%

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Electron Ion Collider transverse spin physics

Prokudin¹,

Capua²,

Fiore³

et al. 2011

AIP Conference Proceedings

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Electron Ion Collider is a future high energy facility for studies of the structure of the nucleon. Three-dimensional parton structure is one of the main goals of EIC. In momentum space Transverse Momentum Dependent Distributions (TMDs) are the key ingredients to map such a structure. At leading twist spin structure of spin-1/2 hadron can be described by 8 TMDs. Experimentally these functions can be studied in polarised SIDIS experiments. We discuss Sivers distribution function that describes distribution of unpolarised quarks in a transversely polarised nucleon and transversity that measures distribution of transversely polarised quarks in a transversely polarised nucleon.Comment: Talk presented at International Workshop on Diffraction in High-Energy Physics, Otranto, Italy, September 10 - 15, 201

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“…The design and sequence of the machine assembly with 3D drawings of the basic stages are presented. The overall height is N 2.6m, overall diameter is -2m, weight is on the toroidal field ripple, plasma position and shape monitoring (through the circuits of feedback control) and simple assembly/ disassembly of the tokamak [2]. The tokamak (Fig.…”

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confidence: 99%

Design and assembly of the globus-m tokamak magnets

Belyakov¹,

Korotkov²,

Soikin³

2001

Plasma Devices and Operations

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Globus-M spherical tokamak was constructed at A. F. Ioffe Institute, St.Petersburg in 1998 [l]. The Globus-M tokamak peculiarity is its small aspect ratio plasma properties. At the same time the low aspect ratio of the machine requires implementation of modern technologies for the manufacture of critical components such as the vacuum vessel and the tokamak central post (toroidal field (TF) coils, central rod and central solenoid assembled as one column).The sixteen one-turn TF coils are used as a support for nine pairs of poloidal field (PF) coils which are capable to produce plasma equilibrium magnetic configurations with the double X-point and to sustain the plasma vertical and horizontal positions by means of the feedback control systems. The vacuum vessel and the magnets are coupled mechanically. The construction of the tokamak magnets provides a simple access to the vacuum in-vessel elements through two equatorial ports of diameter 400 mm. The tokamak has been assembled a t the Northern Plant in St.Petersburg.The design and sequence of the machine assembly with 3D drawings of the basic stages are presented. The overall height is N 2.6m, overall diameter is -2m, weight is -5 tons).

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GLOBUS-M Tokamak Magnets

Cited by 4 publications

References 0 publications

Hadron physics and lattice QCD

Hadron physics and lattice QCD

Electron Ion Collider transverse spin physics

Design and assembly of the globus-m tokamak magnets

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