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NSR database version of May 21, 2024.

Search: Author = K.Konig

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2024KO07      Phys.Rev.Lett. 132, 162502 (2024)

K.Konig, J.C.Berengut, A.Borschevsky, A.Brinson, B.A.Brown, A.Dockery, S.Elhatisari, E.Eliav, R.F.G.Ruiz, J.D.Holt, B.-Sh.Hu, J.Karthein, D.Lee, Y.-Zh.Ma, U.-G.Meissner, K.Minamisono, A.V.Oleynichenko, S.V.Pineda, S.D.Prosnyak, M.L.Reitsma, L.V.Skripnikov, A.Vernon, A.Zaitsevskii

Nuclear Charge Radii of Silicon Isotopes

NUCLEAR MOMENTS 28,29,30,32Si; measured frequencies; deduced isotope shifts, nuclear charge radii using collinear laser spectroscopy. Comparison with ab initio nuclear lattice effective field theory, valence-space in-medium similarity renormalization group, and mean field calculations. The BECOLA setup at the Facility for Rare Isotope Beams.

doi: 10.1103/PhysRevLett.132.162502
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2023DO09      Phys.Rev. A 108, 052816 (2023)

A.Dockery, K.Konig, J.Lantis, Y.Liu, K.Minamisono, S.Pineda, R.Powel

Hyperfine structure of low-lying triplet states in 45Sc II

ATOMIC PHYSICS 45Sc; measured frequencies; deduced the hyperfine magnetic dipole (A) and the electric quadrupole (B) coupling constants. Collinear laser spectroscopy.

doi: 10.1103/PhysRevA.108.052816
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2023KO19      Phys.Rev.Lett. 131, 102501 (2023)

K.Konig, S.Fritzsche, G.Hagen, J.D.Holt, A.Klose, J.Lantis, Y.Liu, K.Minamisono, T.Miyagi, W.Nazarewicz, T.Papenbrock, S.V.Pineda, R.Powel, P.-G.Reinhard

Surprising Charge-Radius Kink in the Sc Isotopes at N=20

NUCLEAR REACTIONS Be(40Ca, X)40Sc/41Sc, E=140 MeV/nucleon; measured frequencies; deduced resonance spectra, charge radii using collinear laser spectroscopy, kink at neutron shell closure. Comparison with available data. The National Superconducting Cyclotron Laboratory.

doi: 10.1103/PhysRevLett.131.102501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2023PL01      Phys.Rev.Lett. 131, 222502 (2023)

P.Plattner, E.Wood, L.Al Ayoubi, O.Beliuskina, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.P.de Groote, C.S.Devlin, T.Eronen, L.Filippin, R.F.Garcia Ruiz, Z.Ge, S.Geldhof, W.Gins, M.Godefroid, H.Heylen, M.Hukkanen, P.Imgram, A.Jaries, A.Jokinen, A.Kanellakopoulos, A.Kankainen, S.Kaufmann, K.Konig, A.Koszorus, S.Kujanpaa, S.Lechner, S.Malbrunot-Ettenauer, P.Muller, R.Mathieson, I.Moore, W.Nortershauser, D.Nesterenko, R.Neugart, G.Neyens, A.Ortiz-Cortes, H.Penttila, I.Pohjalainen, A.Raggio, M.Reponen, S.Rinta-Antila, L.V.Rodriguez, J.Romero, R.Sanchez, F.Sommer, M.Stryjczyk, V.Virtanen, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Nuclear Charge Radius of 26mAl and Its Implication for Vud in the Quark Mixing Matrix

NUCLEAR MOMENTS 26,26m,27Al [from 27Al(p, d), E=25 MeV]; measured frequencies; deduced resonance spectrum, isotope shifts, mean square charge radii, log ft values. Collinear laser spectroscopy. The COLLAPS beamline at ISOLDE-CERN and the IGISOL CLS beamline.

doi: 10.1103/PhysRevLett.131.222502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022PO01      Phys.Rev. C 105, 034310 (2022)

R.Powel, B.A.Brown, J.D.Holt, A.Klose, K.Konig, J.Lantis, K.Minamisono, T.Miyagi, S.Pineda

Ground state magnetic dipole moment of 40Sc

NUCLEAR MOMENTS 40,41Sc; measured hyperfine structure spectra; deduced hyperfine coupling constants, magnetic dipole moments, electric quadrupole moments. Comparison to shell-model and multishell in-medium similarity renormalization group (IMSRG) calculations. Collinear laser spectroscopy technique at NSCL-BECOLA facility. Scandium beam produced in 9Be(40Ca, X), E=140 MeV/nucleon reaction, and transported using A1900 fragment separator at NSCL-MSU. Systematics of experimental and theoretical magnetic moments of ground states of 40,41Sc, 39,41Ca, 39,40K.

doi: 10.1103/PhysRevC.105.034310
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022SO14      Phys.Rev.Lett. 129, 132501 (2022)

F.Sommer, K.Konig, D.M.Rossi, N.Everett, D.Garand, R.P.de Groote, J.D.Holt, P.Imgram, A.Incorvati, C.Kalman, A.Klose, J.Lantis, Y.Liu, A.J.Miller, K.Minamisono, T.Miyagi, W.Nazarewicz, W.Nortershauser, S.V.Pineda, R.Powel, P.-G.Reinhard, L.Renth, E.Romero-Romero, R.Roth, A.Schwenk, C.Sumithrarachchi, A.Teigelhofer

Charge Radii of 55, 56Ni Reveal a Surprisingly Similar Behavior at N=28 in Ca and Ni Isotopes

NUCLEAR MOMENTS 54,55,56,57,58,59,60Ni; measured frequencies; deduced Isotope shifts, differential ms charge radii, and absolute rms charge radii. Comparison with nuclear density functional theory (DFT) calculations. National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU) and collinear laser spectroscopy (CLS) at the BECOLA facility.

doi: 10.1103/PhysRevLett.129.132501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021HE04      Phys.Rev. C 103, 014318 (2021)

H.Heylen, C.S.Devlin, W.Gins, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, R.F.Garcia Ruiz, M.Godefroid, C.Gorges, J.D.Holt, A.Kanellakopoulos, S.Kaufmann, A.Koszorus, K.Konig, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, F.Sommer, L.V.RodrIguez, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

High-resolution laser spectroscopy of 27-32Al

NUCLEAR MOMENTS 27,28,29,30,31,32Al; measured hyperfine structure spectra of the 3s23p2P3/20 to 3s24s2S1/2 atomic transition using collinear laser spectroscopy at the COLLAPS-ISOLDE-CERN facility; deduced hyperfine parameters, magnetic dipole moments and spectroscopic quadrupole moments with reference to those for 27Al, isotope shifts and mean-square charge radii relative to 27Al. Comparison with theoretical calculations using ab initio valence space in-medium similarity renormalization group method (VS-IMSRG) with multiple sets of two- and three-nucleon forces from chiral effective field theory, and with previous available experimental results. Neutral atoms of 27,28,29,30,31,32Al produced in U(p, X), E=1.4-GeV, using uranium carbide target, followed by extraction from the target, ionized by a resonance ionization laser ion source (RILIS), accelerated to 30 keV, and finally mass separated.

doi: 10.1103/PhysRevC.103.014318
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021KO18      Phys.Rev. C 103, 054305 (2021)

K.Konig, F.Sommer, J.Lantis, K.Minamisono, W.Nortershauser, S.Pineda, R.Powel

Isotope-shift measurements and King-fit analysis in nickel isotopes

ATOMIC PHYSICS 58,60,62,64Ni; measured isotope-shifts in the 3d94s3D3 to 3d94p3P2 atomic transitions between the stable even-even nickel isotopes using BEam COoling and LAser spectroscopy (BECOLA) facility at the NSCL/FRIB (MSU); deduced differential mean-square charge radii using detailed King-fit analysis in extracting mass-shift and field-shift parameters. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.103.054305
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021PI10      Phys.Rev.Lett. 127, 182503 (2021)

S.V.Pineda, K.Konig, D.M.Rossi, B.A.Brown, A.Incorvati, J.Lantis, K.Minamisono, W.Nortershauser, J.Piekarewicz, R.Powel, F.Sommer

Charge Radius of Neutron-Deficient 54Ni and Symmetry Energy Constraints Using the Difference in Mirror Pair Charge Radii

NUCLEAR REACTIONS 9Be(58Ni, 54Ni), E not given; measured resonance spectra, frequencies. 54Ni; deduced nuclear root-mean-square charge radius. Comparison with available data. BECOLA, National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1103/PhysRevLett.127.182503
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020BR12      Phys. Rev. Res. 2, 022035 (2020)

B.A.Brown, K.Minamisono, J.Piekarewicz, H.Hergert, D.Garand, A.Klose, K.Konig, J.D.Lantis, Y.Liu, B.Maass, A.J.Miller, W.Nortershauser, S.V.Pineda, R.C.Powel, D.M.Rossi, F.Sommer, C.Sumithrarachchi, A.Teigelhofer, J.Watkins, R.Wirth

Implications of the 36Ca-36S and 38Ca-38Ar difference in mirror charge radii on the neutron matter equation of state

NUCLEAR STRUCTURE 36Ca, 36S, 38Ca, 38Ar; analyzed available data; deduced differences in charge radii between mirror nuclei, the slope of the symmetry energy L at the nuclear saturation density. Comparison with theoretical calculations of charge radii, differences and symmetry energy.

doi: 10.1103/PhysRevResearch.2.022035
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2020KA58      Phys.Rev. C 102, 054331 (2020)

A.Kanellakopoulos, X.F.Yang, M.L.Bissell, M.L.Reitsma, S.W.Bai, J.Billowes, K.Blaum, A.Borschevsky, B.Cheal, C.S.Devlin, R.F.Garcia Ruiz, H.Heylen, S.Kaufmann, K.Konig, A.Koszorus, S.Lechner, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Ratajczyk, L.V.Rodriguez, S.Sels, S.J.Wang, L.Xie, Z.Y.Xu, D.T.Yordanov

Nuclear moments of germanium isotopes near N = 40

NUCLEAR MOMENTS 69,71,73Ge; measured hyperfine structure spectra using collinear laser spectroscopy setup COLLAPS at ISOLDE-CERN; deduced magnetic electric hyperfine structure constants, magnetic dipole moment μ, and electric quadrupole moment Q, with the hyperfine fields for the atomic levels calculated using state-of-the-art atomic relativistic Fock-space coupled-cluster method. Comparison with previous experimental results, and with large-scale shell-model calculations using JUN45 interaction, suggesting mixed wave-function configurations. Systematics of low-energy levels, g factors and quadrupole moments of 67,69,71,73Zn, 69,71,73,75Ge, 73Se. 69,71,73Ge isotopes produced in Zr(p, X), E=1.4 GeV reaction, followed by acceleration of germanium ions to 50 keV, and mass separation using the high-resolution isotope separator (HRS), and finally bunched in a gas-filled linear Paul trap (ISCOOL).

doi: 10.1103/PhysRevC.102.054331
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019MA33      Phys.Rev.Lett. 122, 182501 (2019)

B.Maass, T.Huther, K.Konig, J.Kramer, J.Krause, A.Lovato, P.Muller, K.Pachucki, M.Puchalski, R.Roth, R.Sanchez, F.Sommer, R.B.Wiringa, W.Nortershauser

Nuclear Charge Radii of 10, 11B

NUCLEAR MOMENTS 10,11B; measured frequencies; deduced nuclear charge radii by combining high-accuracy ab initio mass-shift calculations and a high-accuracy measurement of the isotope shift.

doi: 10.1103/PhysRevLett.122.182501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2015UL01      J.Phys.(London) B48, 144022 (2015)

J.Ullmann, Z.Andelkovic, A.Dax, W.Geithner, C.Geppert, C.Gorges, M.Hammen, V.Hannen, S.Kaufmann, K.Konig, Y.Litvinov, M.Lochmann, B.Maass, J.Meisner, T.Murbock, R.Sanchez, M.Schmidt, S.Schmidt, M.Steck, T.Stohlker, R.C.Thompson, J.Vollbrecht, C.Weinheimer, W.Nortershauser

An improved value for the hyperfine splitting of hydrogen-like 209BI82+

ATOMIC PHYSICS 209Bi; measured time structure of the fluorescence resonance signal; deduced the rest frame transition wavelength and transition energies. Comparison with theoretical calculations.

doi: 10.1088/0953-4075/48/14/144022
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1996WA22      Nucl.Instrum.Methods Phys.Res. A369, 693 (1996)

W.Wahl, R.Maushart, K.Konig, L.Hornung-Lauxmann, W.Burkart

Combined Beta/Gamma-Radiation and Bremsstrahlung Monitor for Measurements of Incorporated Radionuclides: The 90Sr in-vivo counter

doi: 10.1016/S0168-9002(96)80078-7
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