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NSR database version of April 11, 2024.

Search: Author = J.Birkhan

Found 9 matches.

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2023FE08      Phys. Rev. Res. 5, L022044 (2023)

R.W.Fearick, P.von Neumann-Cosel, S.Bacca, J.Birkhan, F.Bonaiti, I.Brandherm, G.Hagen, H.Matsubara, W.Nazarewicz, N.Pietralla, V.Yu.Ponomarev, P.-G.Reinhard, X.Roca-Maza, A.Richter, A.Schwenk, J.Simonis, and A.Tamii

Electric dipole polarizability of 40Ca

NUCLEAR REACTIONS 40Ca(p, p'), E=5-25 MeV; measured reaction products, Ep, Ip; deduced electric dipole strength distribution, σ(θ, E). Comparison with available data. The Grand Raiden spectrometer, RCNP, Osaka.

doi: 10.1103/PhysRevResearch.5.L022044
Citations: PlumX Metrics


2021FR01      Phys.Rev.Lett. 126, 102501 (2021)

U.Friman-Gayer, C.Romig, T.Huther, K.Albe, S.Bacca, T.Beck, M.Berger, J.Birkhan, K.Hebeler, O.J.Hernandez, J.Isaak, S.Konig, N.Pietralla, P.C.Ries, J.Rohrer, R.Roth, D.Savran, M.Scheck, A.Schwenk, R.Seutin, V.Werner

Role of Chiral Two-Body Currents in 6Li Magnetic Properties in Light of a New Precision Measurement with the Relative Self-Absorption Technique

RADIOACTIVITY 6Li(IT) [from 6Li(γ, γ'), E<7.1 MeV]; measured decay products, Eγ, Iγ; deduced B(M1), decay width. Comparison with ab initio calculations based on chiral effective field theory that take into account contributions to the magnetic dipole operator beyond leading order.

doi: 10.1103/PhysRevLett.126.102501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020DA10      Phys.Rev. C 102, 011302 (2020)

A.D'Alessio, T.Mongelli, M.Arnold, S.Bassauer, J.Birkhan, I.Brandherm, M.Hilcker, T.Huther, J.Isaak, L.Jurgensen, T.Klaus, M.Mathy, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, P.C.Ries, R.Roth, M.Singer, G.Steinhilber, K.Vobig, V.Werner

Precision measurement of the E2 transition strength to the 2+1 state of 12C

NUCLEAR REACTIONS 12C(e, e'), E=42.5 MeV; measured scattered E(e), I(e) using the LINTOTT spectrometer at the Darmstadt S-DALINAC facility; deduced form factor, B(E2) and quadrupole moment for the first 2+ state in 12C. Comparison in-medium no-core shell model (IM-NCSM) calculations with NLO to N3LO interactions, and with previous experimental results.

doi: 10.1103/PhysRevC.102.011302
Citations: PlumX Metrics


2017BE10      Phys.Rev.Lett. 118, 212502 (2017)

T.Beck, J.Beller, N.Pietralla, M.Bhike, J.Birkhan, V.Derya, U.Gayer, A.Hennig, J.Isaak, B.Loher, V.Yu.Ponomarev, A.Richter, C.Romig, D.Savran, M.Scheck, W.Tornow, V.Werner, A.Zilges, M.Zweidinger

E2 decay strength of the M1 scissors mode of 156Gd and its first excited rotational state

NUCLEAR REACTIONS 156Gd(γ, γ'), E=3.07 MeV; measured reaction products, Eγ, Iγ; deduced relative intensities for transitions, B(M1), B(E2), multipole mixing ratio of the decay transition from the scissors mode to the 2+1 state in a deformed nucleus.

doi: 10.1103/PhysRevLett.118.212502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017BI09      Phys.Rev.Lett. 118, 252501 (2017)

J.Birkhan, M.Miorelli, S.Bacca, S.Bassauer, C.A.Bertulani, G.Hagen, H.Matsubara, P.von Neumann-Cosel, T.Papenbrock, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Schwenk, A.Tamii

Electric Dipole Polarizability of 48Ca and Implications for the Neutron Skin

NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; 48Ca(γ, X), E<25 MeV; measured reaction products; deduced σ, electric dipole polarizability, B(E1).

doi: 10.1103/PhysRevLett.118.252501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2558.


2017MA28      Phys.Rev. C 95, 054316 (2017)

M.Mathy, J.Birkhan, H.Matsubara, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Tamii

Search for weak M1 transitions in 48Ca with inelastic proton scattering

NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; measured Ep, Ip, σ(θ) using Grand Raiden spectrometer at RCNP-Osaka. Multipole decomposition analysis (MDA) of experimental data. 48Ca; deduced levels, J, π, B(M1), quenching factors of GT and spin-M1 strength in fp-shell nuclei, negligible role of meson-exchange currents. Comparison with previous experimental (e, e'), and evaluated data.

doi: 10.1103/PhysRevC.95.054316
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016BI05      Phys.Rev. C 93, 041302 (2016)

J.Birkhan, H.Matsubara, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Tamii, J.Wambach

Electromagnetic M1 transition strengths from inelastic proton scattering: The cases of 48Ca and 208Pb

NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; analyzed σ(θ) for dominating peak at 10.23 MeV ascribed to isovector spin-flip M1 (IVSM1) resonance; deduced B(M1) using a method based on isospin symmetry. Comparison with B(M1) deduced from (p, p') at 201 MeV, (p, n) at 295 MeV, (e, e') and (γ, n) data. 208Pb(p, p'), (n, n'γ), (polarized γ, γ'); analyzed B(M1) strengths in 6.5-9 MeV excitation region. Quenching phenomenon of the spin-isospin response. Method for extracting systematic information on the IVSM1 resonances in heavy nuclei.

doi: 10.1103/PhysRevC.93.041302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2503. Data from this article have been entered in the XUNDL database. For more information, click here.


2015RO09      Phys.Lett. B 744, 369 (2015)

C.Romig, D.Savran, J.Beller, J.Birkhan, A.Endres, M.Fritzsche, J.Glorius, J.Isaak, N.Pietralla, M.Scheck, L.Schnorrenberger, K.Sonnabend, M.Zweidinger

Direct determination of ground-state transition widths of low-lying dipole states in 140Ce with the self-absorption technique

NUCLEAR REACTIONS 140Ce(γ, γ'), E<8 MeV; measured reaction products, Eγ, Iγ; deduced ground state transition widths, branching ratios. Comparison with available data.

doi: 10.1016/j.physletb.2015.04.013
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014SC04      Phys.Rev. C 89, 037301 (2014)

A.Scheikh-Obeid, S.Aslanidou, J.Birkhan, A.Krugmann, P.von Neumann-Cosel, N.Pietralla, I.Poltoratska, V.Yu.Ponomarev

B(E2) strength ratio of one-phonon 2+ states of 94Zr from electron scattering at low momentum transfer

NUCLEAR REACTIONS 94Zr(e, e'), E=71 MeV; measured electron spectra at four angles at S-DALINAC facility; deduced levels, B(E2) for second 2+ state. PWBA analysis. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.037301
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Data from this article have been entered in the XUNDL database. For more information, click here.


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