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NSR database version of April 11, 2024.

Search: Author = M.I.Krivoruchenko

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2023KR04      JETP Lett. 117, 884 (2023)

M.I.Krivoruchenko, K.S.Tyrin, F.F.Karpeshin

Energy Spectrum of β Electrons in Neutrinoless Double-β Decay Including the Excitation of the Electron Shell of Atoms

RADIOACTIVITY 76Ge(2β-); calculated the mean value and standard deviation of the excitation energy of the electron shell of the daughter atom using the Thomas–Fermi and relativistic Dirac–Hartree–Fock methods, β-spectra.

doi: 10.1134/S0021364023601409
Citations: PlumX Metrics

2023KR11      JETP Lett. 118, 470 (2023)

M.I.Krivoruchenko, K.S.Tyrin, F.F.Karpeshin

Atomic Electron Shell Excitations in Double-β Decay

RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd, 238U(2β-); analyzed available data; deduced the transition of electron shells of atoms to excited states in the process of neutrinoless double-β decay, an important role of the Feinberg-Migdal effect in the electron shell excitations.

doi: 10.1134/S0021364023602737
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2022GE11      Phys.Lett. B 832, 137226 (2022)

Z.Ge, T.Eronen, A.de Roubin, K.S.Tyrin, L.Canete, S.Geldhof, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, I.D.Moore, D.A.Nesterenko, J.Suhonen, M.Vilen

High-precision electron-capture Q value measurement of 111In for electron-neutrino mass determination

RADIOACTIVITY 111In(EC) [from In(p, X), E=130 MeV]; measured Ramsey time-of-flight ion-cyclotron resonance (TOF-ICR), cyclotron frequency ratios; deduced Q-values to the ground and excited states. Comparison with AME2020 and the microscopic interacting boson-fermion model (IBFM-2) calculations. Ion Guide Isotope Separator On-Line facility (IGISOL) utilizing the JYFLTRAP double Penning trap mass spectrometer.

doi: 10.1016/j.physletb.2022.137226
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2022RA20      Phys.Rev. C 106, 015501 (2022)

M.Ramalho, Z.Ge, T.Eronen, D.A.Nesterenko, J.Jaatinen, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, J.Suhonen, K.S.Tyrin, V.Virtanen

Observation of an ultralow-Q-value electron-capture channel decaying to 75As via a high-precision mass measurement

ATOMIC MASSES 75As, 76Ge; 77Se, 76Se; 94Mo, 95Mo; measured cyclotron frequency ratios using phase-imaging ion-cyclotron-resonance technique (PI-ICR) and high-precision Penning-trap mass spectrometry (PTMS) with a double Penning trap mass spectrometer (JYFLTRAP) at the IGISOL facility of the University of Jyvaskyla; deduced precise Q(β) values for decays of 75Se and 75Ge to 75As, with three ultra-low Q-value energetically valid β transitions, one of which as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020.

RADIOACTIVITY 75Se(EC); 75Ge(β-); deduced precise Q(β) values from measurements of difference in mass excesses of 75As and 76Ge, and three ultra-low Q-value energetically valid β transitions, with one as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020.

NUCLEAR STRUCTURE 75As; calculated levels, J, π using shell-model code NUSHELLX in a single-particle model space consisting of 1f5/2, 2p3/2, 2p1/2, and 1g9/2 neutron and proton orbitals, with jun45pn and jj44bpn interactions, and compared results with experimental data.

doi: 10.1103/PhysRevC.106.015501
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2021GE11      Phys.Rev.Lett. 127, 272301 (2021)

Z.Ge, T.Eronen, K.S.Tyrin, J.Kotila, J.Kostensalo, D.A.Nesterenko, O.Beliuskina, R.de Groote, A.de Roubin, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, A.Koszorus, M.I.Krivoruchenko, S.Kujanpaa, I.D.Moore, A.Raggio, S.Rinta-Antila, J.Suhonen, V.Virtanen, A.P.Weaver, A.Zadvornaya

159Dy Electron-Capture: A New Candidate for Neutrino Mass Determination

RADIOACTIVITY 159Dy(EC); measured frequencies; deduced Q-values for allowed Gamow-Teller transition, J, π, total decay constant. The Ion Guide Isotope Separator On-Line facility (IGISOL) using the double Penning trap mass spectrometer JYFLTRAP in the accelerator laboratory of the University of Jyvaskyla.

doi: 10.1103/physrevlett.127.272301
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2020BL06      Rev.Mod.Phys. 92, 045007 (2020)

K.Blaum, S.Eliseev, F.A.Danevich, V.I.Tretyak, S.Kovalenko, M.I.Krivoruchenko, Y.N.Novikov, J.Suhonen

Neutrinoless double-electron capture

RADIOACTIVITY 74Se, 96Ru, 106Cd, 112Sn, 124Xe, 136Ce, 152Gd, 156Dy, 164Er, 180W, 184Os, 190Pt, 148,150Gd, 154Dy, 194Hg, 202Pb(2EC); analyzed available data; calculated nuclear matrix elements, T1/2 boundaries.

doi: 10.1103/RevModPhys.92.045007
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2020BL07      Rev.Mod.Phys. 92, 045007 (2020)

K.Blaum, S.Eliseev, F.A.Danevich, V.I.Tretyak, S.Kovalenko, M.I.Krivoruchenko, Y.N.Novikov, J.Suhonen

Neutrinoless double-electron capture

RADIOACTIVITY 74Se, 96Ru, 106Cd, 112Sn, 124Xe, 136Ce, 152Gd, 154,156Dy, 164Er, 180W, 184Os, 190Pt, 148,150Gd, 194Hg, 202Pb(2EC); calculated nuclear matrix elements, T1/2. Comparison with available data.

doi: 10.1103/RevModPhys.92.045007
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2020KR01      Eur.Phys.J. A 56, 16 (2020)

M.I.Krivoruchenko, K.S.Tyrin

Overlap of electron shells in β and double-β decays

doi: 10.1140/epja/s10050-019-00003-z
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2019TY02      Phys.Atomic Nuclei 82, 1627 (2019)

K.S.Tyrin, M.I.Krivoruchenko, F.F.Simkovic

Internal Ionization of an Atom in the β Decay of Tritium

ATOMIC PHYSICS 3H; calculated probability of β-electron (from β- decay of 3H) scattering off a bound electron vs electron momentum and vs kinetic energy; deduced using the results to search and mass determination for keV-scale sterile neutrinos, envisaged within the KATRIN experiment in the middle part of β-sepctrum, where the internal ionization effect is significant.

doi: 10.1134/S1063778819120305
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2018BA45      Phys.Rev. C 98, 065501 (2018)

A.Babic, D.Stefanik, M.I.Krivoruchenko, F.Simkovic

Bound-state double-β decay

RADIOACTIVITY 46,48Ca, 70Zn, 76Ge, 80,82Se, 86Kr, 94,96Zr, 98,100Mo, 104Ru, 110Pd, 114,116Cd, 122,124Sn, 128,130Te, 134,136Xe, 142Ce, 146,148,150Nd, 154Sm, 160Gd, 170Er, 176Yb, 186W, 192Os, 198Pt, 204Hg, 232Th, 238U(2β-); calculated Fermi sums, bound-state and standard decay phase-space factors, relative frequencies of bound-state to continuum-state decays for 0νββ and 2νββ decay modes. 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe, 150Nd, 238U(2β-); calculated nuclear matrix elements (NMEs) and half-lives for 0νββ and 2νββ decay modes. Bound-state two-neutrino and neutrinoless double-β decays. Calculations used multiconfiguration Dirac-Hartree-Fock package GRASP2K. Relevance to double-β decay experiment NEMO-3, SuperNEMO, and two-electron spectra in the calorimetric experiments CUORE, EXO-200 and GERDA.

doi: 10.1103/PhysRevC.98.065501
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2014KO09      Phys.Rev.Lett. 112, 142503 (2014)

S.Kovalenko, M.I.Krivoruchenko, F.Simkovic

Neutrino Propagation in Nuclear Medium and Neutrinoless Double-β Decay

doi: 10.1103/PhysRevLett.112.142503
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2012FA02      Phys.Rev. C 85, 035503 (2012)

D.-L.Fang, K.Blaum, S.Eliseev, A.Faessler, M.I.Krivoruchenko, V.Rodin, F.Simkovic

Evaluation of the resonance enhancement effect in neutrinoless double-electron capture in 152Gd, 164Er, and 180W atoms

RADIOACTIVITY 152Gd, 164Er, 180W(2EC); calculated matrix elements and half-lives for neutrinoless double-electron capture. Deformed quasiparticle random-phase approximation using the realistic charge-dependent Bonn (CD-Bonn) nucleon-nucleon interaction. Comparison of half-life with that for neutrinoless 2β decay of 76Ge.

doi: 10.1103/PhysRevC.85.035503
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2012KR02      Rom.J.Phys. 57, 296 (2012)

M.I.Krivoruchenko, A.Faessler

Duality of s- and t-Channel Exchange in Nucleon-Nucleon Scattering

2012RA13      Phys.Rev. C 85, 054314 (2012)

A.A.Raduta, M.I.Krivoruchenko, A.Faessler

Exact results for the particle-number-projected BCS approach with isovector proton-neutron pairing

doi: 10.1103/PhysRevC.85.054314
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2011EL02      Phys.Rev.Lett. 106, 052504 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, H.-J.Kluge, M.I.Krivoruchenko, Yu.N.Novikov, E.Minaya-Ramirez, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Resonant Enhancement of Neutrinoless Double-Electron Capture in 152Gd

ATOMIC MASSES 152Gd, 152Sm; measured cyclotron frequency ratio, TOF; deduced Q-value for double beta decay. Penning-trap mass ratio.

doi: 10.1103/PhysRevLett.106.052504
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2011EL08      Phys.Rev.Lett. 107, 152501 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, M.Kretzschmar, M.I.Krivoruchenko, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Octupolar-Excitation Penning-Trap Mass Spectrometry for Q-Value Measurement of Double-Electron Capture in 164Er

ATOMIC MASSES 164Er, 164Dy; measured relative frequency deviations; deduced doublet mass ratio, Q-value. Penning trap.

doi: 10.1103/PhysRevLett.107.152501
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2011KR07      Nucl.Phys. A859, 140 (2011)

M.I.Krivoruchenko, F.Simkovic, D.Frekers, A.Faessler

Resonance enhancement of neutrinoless double electron capture

RADIOACTIVITY 96Ru, 106Cd, 124Xe, 136Ce, 152Gd, 156Dy, 154Er, 168Yb, 180W, 184Os, 190Pt(2β+); 78Kr, 96Ru, 106Cd, 112Sn, 130Ba, 162Er, 184Os(2EC); calculated T1/2 limits, nuclear matrix elements; deduced ν mass limits.

doi: 10.1016/j.nuclphysa.2011.04.009
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2011KR10      Phys.Rev. C 84, 015206 (2011)


Possibility of narrow resonances in nucleon-nucleon channels

doi: 10.1103/PhysRevC.84.015206
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2010KR08      Phys.Rev. C 82, 018201 (2010)


Remarks on the origin of Castillejo-Dalitz-Dyson poles

doi: 10.1103/PhysRevC.82.018201
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2010MA51      Phys.Rev. C 82, 038201 (2010)

B.V.Martemyanov, A.Faessler, M.I.Krivoruchenko

Electromagnetic form factors of nucleons in the extended vector meson dominance model

doi: 10.1103/PhysRevC.82.038201
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2008KR03      Nucl.Phys. A803, 173 (2008)

M.I.Krivoruchenko, A.Faessler

Decays, contact P-wave interactions and hyperfine structure in Ω- exotic atoms

doi: 10.1016/j.nuclphysa.
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2008SA38      Phys.Rev. C 78, 034910 (2008)

E.Santini, M.D.Cozma, A.Faessler, C.Fuchs, M.I.Krivoruchenko, B.Martemyanov

Dilepton production in heavy-ion collisions with in-medium spectral functions of vector mesons

doi: 10.1103/PhysRevC.78.034910
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2007KR17      Phys.Rev. C 76, 059801 (2007)

M.I.Krivoruchenko, B.V.Martemyanov, C.Fuchs

Comment on "Dynamics of nuclear fluid. VIII. Time-dependent Hartree-Fock approximation from a classical point of view"

doi: 10.1103/PhysRevC.76.059801
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2006FU04      Phys.Rev. C 73, 035204 (2006)

C.Fuchs, B.V.Martemyanov, A.Faessler, M.I.Krivoruchenko

D-mesons and charmonium states in hot pion matter

doi: 10.1103/PhysRevC.73.035204
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2004FA27      Phys.Rev. C 70, 035211 (2004)

A.Faessler, C.Fuchs, M.I.Krivoruchenko, B.V.Martemyanov

Vector meson angular distributions in proton-proton collisions

NUCLEAR REACTIONS 1H(p, X), E(cm)=2.83, 2.98 GeV; analyzed ω- and φ-mesons angular distributions; deduced resonance contributions.

doi: 10.1103/PhysRevC.70.035211
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2004MA59      Phys.Rev.Lett. 93, 052301 (2004)

B.V.Martemyanov, A.Faessler, C.Fuchs, M.I.Krivoruchenko

Medium Modifications of Kaons in Pion Matter

doi: 10.1103/PhysRevLett.93.052301
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2003FA18      Phys.Rev. C 68, 068201 (2003)

A.Faessler, C.Fuchs, M.I.Krivoruchenko, B.V.Martemyanov

Exclusive φ production in proton-proton collisions in the resonance model

NUCLEAR REACTIONS 1H(p, X), E=high; calculated φ meson production σ. Resonance model, comparison with data.

doi: 10.1103/PhysRevC.68.068201
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2003FU02      Phys.Rev. C 67, 025202 (2003)

C.Fuchs, M.I.Krivoruchenko, H.L.Yadav, A.Faessler, B.V.Martemyanov, K.Shekhter

Off-shell ω production in proton-proton collisions near threshold

NUCLEAR REACTIONS 1H(p, pX), E ≈ threshold-2 GeV; calculated ω meson production σ, nucleon resonance contributions. Comparison with data.

doi: 10.1103/PhysRevC.67.025202
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2002KR18      Ann.Phys.(New York) 296, 299 (2002)

M.I.Krivoruchenko, B.V.Martemyanov, A.Faessler, C.Fuchs

Electromagnetic Transition Form Factors and Dilepton Decay Rates of Nucleon Resonances

doi: 10.1006/aphy.2002.6223
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2000FA04      Phys.Rev. C61, 035206 (2000)

A.Faessler, C.Fuchs, M.I.Krivoruchenko

Dilepton Spectra from Decays of Light Unflavored Mesons

doi: 10.1103/PhysRevC.61.035206
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1999KI06      Nucl.Phys. A650, 78 (1999)

S.M.Kiselev, M.I.Krivoruchenko, B.V.Martemyanov, A.Faessler, C.Fuchs

d' Production in Heavy-Ion Collisions

NUCLEAR REACTIONS 20Ne(20Ne, X), 59Ni(59Ni, X), 108Ag(108Ag, X), 197Au(197Au, X), E=1 GeV/nucleon; calculated d' dibaryon production rate, background spectra; deduced experimental conditions for detection. Quantum molecular dynamics.

doi: 10.1016/S0375-9474(99)00098-6
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1998FA01      Phys.Rev. C57, 1458 (1998)

A.Faessler, A.J.Buchmann, M.I.Krivoruchenko

Nuclear Matter with a Bose Condensate of Dibaryons in a Relativistic Hartree Approximation

doi: 10.1103/PhysRevC.57.1458
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1998FA06      J.Phys.(London) G24, 791 (1998)

A.Faessler, A.J.Buchmann, M.I.Krivoruchenko, B.V.Martemyanov

Dibaryons in Nuclear Matter

doi: 10.1088/0954-3899/24/4/011
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1997BO18      Nucl.Phys. A619, 295 (1997)

K.G.Boreskov, L.A.Kondratyuk, M.I.Krivoruchenko, J.H.Koch

Resonance Production on Nuclei at High Energies: Nuclear-medium effects and space-time picture

doi: 10.1016/S0375-9474(97)00158-9
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1997BO22      Yad.Fiz. 60, No 7, 1320 (1997); Phys.Atomic Nuclei 60, 1193 (1997)

S.Boffi, Ye.S.Golubeva, L.A.Kondratyuk, M.I.Krivoruchenko, E.Perazzi

Density Dependence of Resonance Broadening and Shadowing Effects in Nuclear Photoabsorption

NUCLEAR REACTIONS, ICPND 12C, 63Cu, 208Pb(γ, X), E ≈ 0.3-1.2 GeV; analyzed total photoabsorption σ(E); deduced Δ-mass shift mass dependence. Resonance broadening, shadowing mechanisms density dependence.

1997FA03      Phys.Lett. 391B, 255 (1997)

A.Faessler, A.J.Buchmann, M.I.Krivoruchenko, B.V.Martemyanov

Nuclear Matter with a Bose Condensate of Dibaryons in Relativistic Mean-Field Theory

doi: 10.1016/S0370-2693(96)01482-7
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1997FA13      Phys.Rev. C56, 1576 (1997)

A.Faessler, A.J.Buchmann, M.I.Krivoruchenko

Constraints on the ω- and σ-Meson Coupling Constants with Dibaryons

doi: 10.1103/PhysRevC.56.1576
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1996BO20      Nucl.Phys. A606, 421 (1996)

S.Boffi, Ye.Golubeva, L.A.Kondratyuk, M.I.Krivoruchenko

Generalized Photonuclear Sum Rule, Resonance Broadening and Shadowing Effects

NUCLEAR REACTIONS U(γ, X), E ≤ 12 GeV; calculated A(effective)/A vs E, ρ, ω, φ contributions included; deduced resonance broadening, shadowing effects consistency related features.

doi: 10.1016/0375-9474(96)00193-5
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1996BO29      Yad.Fiz. 59, No 10, 1908 (1996); Phys.Atomic Nuclei 59, 1844 (1996)

K.G.Boreskov, J.H.Koch, L.A.Kondratyuk, M.I.Krivoruchenko

Medium Effects in the Production of Hadronic Resonances on Nuclei

NUCLEAR STRUCTURE A=50; A=200; calculated e+e--pairs mass spectra following hard photon induced ρ-meson production, decay in these targets. Two-component formula.

1996KR11      Yad.Fiz. 59, No 7, 1301 (1996); Phys.Atomic Nuclei 59, 1244 (1996)


Constraint on the Parity-Conserving Parameter of Neutron-Antineutron Oscillations

1996KR15      Yad.Fiz. 59, No 11, 2046 (1996); Phys.Atomic Nuclei 59, 1972 (1996)


Suppression of Neutron-Antineutron Oscillations in Nuclei

1995KR02      Z.Phys. A350, 343 (1995)


Isovector Kaon Form Factor in the Dispersion Theory and s-Wave πK-Scattering Lengths

doi: 10.1007/BF01291191
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1994KO26      Nucl.Phys. A579, 453 (1994)

L.A.Kondratyuk, M.I.Krivoruchenko, N.Bianchi, E.De Sanctis, V.Muccifora

Suppression of Nucleon Resonances in the Total Photoabsorption on Nuclei

doi: 10.1016/0375-9474(94)90918-0
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1993KO39      Phys.Rev. C48, 2491 (1993)

L.A.Kondratyuk, E.De Sanctis, P.Rossi, N.Bianchi, A.B.Kaidalov, M.I.Krivoruchenko, P.Levi Sandri, V.Muccifora, A.R.Reolon

Deuteron Photodisintegration, Quark-Gluon String Model, and Regge Phenomenology

NUCLEAR REACTIONS 2H(γ, X), E=1.5-4.2 GeV; analyzed σ(θ) data. Quark-gluon string model, Regge phenomenology.

doi: 10.1103/PhysRevC.48.2491
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1986KO24      Yad.Fiz. 43, 1396 (1986)

L.A.Kondratyuk, M.I.Krivoruchenko, M.G.Shchepkin

Magnetic Moments of Multiquark Systems and Restraints on the Six-Quark Admixture to the Deuteron Wave Function

NUCLEAR STRUCTURE 2H; calculated six quark admixture, μ. Chiral bag model.

1985KR04      Yad.Fiz. 41, 777 (1985)


Neutron Charge Radius in the Bag Model

NUCLEAR STRUCTURE 1n, 1H; calculated charge radii ratio. 1n deduced pion-proton configuration admixture in wave function. Bag model.

1984KR24      Yad.Fiz. 40, 801 (1984); Sov.J.Nucl.Phys. 40, 514 (1984)


The Color Interaction of Quarks and Baryon Magnetic Moments in the Bag Model

NUCLEAR MOMENTS 1H, 1n; calculated μ. Quark color interaction, bag model.

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