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NSR database version of April 26, 2024.

Search: Author = M.Heinz

Found 9 matches.

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2023HE04      Phys.Rev. C 107, 024310 (2023)

K.Hebeler, V.Durant, J.Hoppe, M.Heinz, A.Schwenk, J.Simonis, A.Tichai

Normal ordering of three-nucleon interactions for ab initio calculations of heavy nuclei

NUCLEAR STRUCTURE ¹⁸O, ⁴⁸Ca, ⁷⁸Ni, ¹³²Sn, ²⁰⁸Pb; calculated ground-state energies. ¹³²Sn, ²⁰⁸Pb; calculated charge radii. Jacobi normal-ordering (NO) framework to include three-nucleon (3N) interactions in ab initio many-body calculations up to heavy nuclei at the two-body operator level. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.024310
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2022HO06      Phys.Rev. C 105, 034324 (2022)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Importance truncation for the in-medium similarity renormalization group

NUCLEAR STRUCTURE ⁴He, ^40,48,52,60Ca, ^56,68,78Ni; calculated ground state energy. Importance truncation (IT) methods in the nonperturbative in-medium similarity renormalization group (IMSRG) approach. Investigated the effect of truncation in different sub-blocks of the two-body Hamiltonian on the solution error.

doi: 10.1103/PhysRevC.105.034324
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2022TE06      Few-Body Systems 63, 67 (2022)

I.Tews, Z.Davoudi, A.Ekstrom, J.D.Holt, K.Becker, R.Briceno, D.J.Dean, W.Detmold, C.Drischler, T.Duguet, E.Epelbaum, A.Gasparyan, J.Gegelia, J.R.Green, H.W.Griesshammer, A.D.Hanlon, M.Heinz, H.Hergert, M.Hoferichter, M.Illa, D.Kekejian, A.Kievsky, S.Konig, H.Krebs, K.D.Launey, D.Lee, P.Navratil, A.Nicholson, A.Parreno, D.R.Phillips, M.Ploszajczak, X.-L.Ren, T.R.Richardson, C.Robin, G.H.Sargsyan, M.J.Savage, M.R.Schindler, P.E.Shanahan, R.P.Springer, A.Tichai, U.van Kolck, M.L.Wagman, A.Walker-Loud, C.-J.Yang, X.Zhang

Nuclear Forces for Precision Nuclear Physics: A Collection of Perspectives

doi: 10.1007/s00601-022-01749-x
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2022TI04      Phys.Rev. C 106, 024320 (2022)

A.Tichai, P.Arthuis, K.Hebeler, M.Heinz, J.Hoppe, A.Schwenk, L.Zurek

Least-square approach for singular value decompositions of scattering problems

doi: 10.1103/PhysRevC.106.024320
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2021HE11      Phys.Rev. C 103, 044318 (2021)

M.Heinz, A.Tichai, J.Hoppe, K.Hebeler, A.Schwenk

In-medium similarity renormalization group with three-body operators

NUCLEAR STRUCTURE ⁴He, ¹⁶O; calculated ground-state energies using various truncation schemes. Full and approximate in-medium similarity renormalization group (IMSRG(3)) truncations applied to the closed-shell nuclei using nucleon-nucleon and nucleon-nucleon+3N-chiral Hamiltonians with the Hartree-Fock and natural orbital single-particle bases.

doi: 10.1103/PhysRevC.103.044318
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2021HO03      Phys.Rev. C 103, 014321 (2021)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Natural orbitals for many-body expansion methods

NUCLEAR STRUCTURE ^16,22O, ⁴⁰Ca, ⁷⁸Ni; calculated one-body proton density matrix, occupation numbers of the single-particle proton orbitals, and absolute value of the radial wave function for ¹⁶O, negative occupations of the p orbitals for ¹⁶O and ²²O, ground-state energies and charge radii of ¹⁶O, ⁴⁰Ca and ⁷⁸Ni. Nonperturbative many-body calculations using the in-medium similarity renormalization group (IMSRG) approach, with large single-particle basis. Comparison with experimental data for ⁷⁸Ni.

doi: 10.1103/PhysRevC.103.014321
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2007HE02      Eur.Phys.J. C 49, 129 (2007)

M.Heinz, and the STAR Collaboration

How important are next-to-leading order models in predicting strange particle spectra in p+p collisions at STAR?

NUCLEAR REACTIONS ¹H(p, X), E(cm)=200 GeV; analyzed strange particles transverse momentum spectra, yield ratios.

doi: 10.1140/epjc/s10052-006-0098-1
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2005HE11      J.Phys.(London) G31, S141 (2005)

M.Heinz, for the STAR Collaboration

Strange particle production in p+p collisions at √ s = 200 GeV

NUCLEAR REACTIONS ¹H(p, X), E(cm)=200 GeV; measured strange particles transverse momentum spectra vs event multiplicity.

doi: 10.1088/0954-3899/31/4/017
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2005HE16      J.Phys.(London) G31, S1011 (2005)

M.Heinz, for the STAR Collaboration

How well does NLO pQCD describe strangeness production in p + p collisions at √ s = 200 GeV in STAR?

NUCLEAR REACTIONS ¹H(p, X), E(cm)=200 GeV; measured strange particles transverse momentum, yields. Comparison with model predictions.

doi: 10.1088/0954-3899/31/6/048
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