Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Birkhan, J."'
Autor:
Fearick, R. W., von Neumann-Cosel, P., Bacca, S., Birkhan, J., Bonaiti, F., Brandherm, I., Hagen, G., Matsubara, H., Nazarewicz, W., Pietralla, N., Ponomarev, V. Yu., Reinhard, P. -G., Roca-Maza, X., Richter, A., Schwenk, A., Simonis, J., Tamii, A.
Publikováno v:
Phys. Rev. Res. 5, L022044 (2023)
The electric dipole strength distribution in $^{40}$Ca between 5 and 25 MeV has been determined at RCNP, Osaka, from proton inelastic scattering experiments at very forward angles. Combined with total photoabsorption data at higher excitation energy,
Externí odkaz:
http://arxiv.org/abs/2302.07490
Autor:
Friman-Gayer, U., Romig, C., Hüther, T., Albe, K., Bacca, S., Beck, T., Berger, M., Birkhan, J., Hebeler, K., Hernandez, O. J., Isaak, J., König, S., Pietralla, N., Ries, P. C., Rohrer, J., Roth, R., Savran, D., Scheck, M., Schwenk, A., Seutin, R., Werner, V.
Publikováno v:
Phys. Rev. Lett. 126, 102501 (2021)
A direct measurement of the decay width of the excited $0^+_1$ state of $^6$Li using the relative self-absorption technique is reported. Our value of $\Gamma_{\gamma, 0^+_1 \to 1^+_1} = 8.17(14)_\mathrm{stat.}(11)_\mathrm{syst.} \mathrm{eV}$ provides
Externí odkaz:
http://arxiv.org/abs/2005.07837
Autor:
D'Alessio, A., Mongelli, T., Arnold, M., Bassauer, S., Birkhan, J., Hilcker, M., Hüther, T., Isaak, J., Jürgensen, L., Klaus, T., von Neumann-Cosel, P., Pietralla, N., Ponomarev, V. Yu., Ries, P. C., Roth, R., Singer, M., Steinhilber, G., Vobig, K., Werner, V.
Publikováno v:
Phys. Rev. C 102, 011302 (2020)
The form factor of the electromagnetic excitation of $^{12}$C to its 2$^+_1$ state was measured at extremely low momentum transfers in an electron scattering experiment at the S-DALINAC. A combined analysis with the world form factor data results in
Externí odkaz:
http://arxiv.org/abs/2005.04072
Autor:
Mathy, M., Birkhan, J., Matsubara, H., von Neumann-Cosel, P., Pietralla, N., Ponomarev, V. Yu., Richter, A., Tamii, A.
Publikováno v:
Phys. Rev. C 95, 054316 (2017)
The spinflip M1 resonance in the doubly magic nucleus $^{48}$Ca, dominated by a single transition, serves as a reference case for the quenching of spin-isospin modes in nuclei. The aim of the present work is a search for weak M1 transitions in $^{48}
Externí odkaz:
http://arxiv.org/abs/1701.06043
Autor:
Steinhorst, M., Arnold, M., Birkhan, J., Bonnes, U., Burandt, C., Grewe, R., Jürgensen, L., Pietralla, N., Schließmann, F., Schneider, D., Weih, S.
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 11 September 2021 1010
Autor:
Birkhan, J., Miorelli, M., Bacca, S., Bassauer, S., Bertulani, C. A., Hagen, G., Matsubara, H., von Neumann-Cosel, P., Papenbrock, T., Pietralla, N., Ponomarev, V. Yu., Richter, A., Schwenk, A., Tamii, A.
Publikováno v:
Phys. Rev. Lett. 118, 252501 (2017)
The electric dipole strength distribution in Ca-48 between 5 and 25 MeV has been determined at RCNP, Osaka, from proton inelastic scattering experiments at forward angles. Combined with photoabsorption data at higher excitation energy, this enables f
Externí odkaz:
http://arxiv.org/abs/1611.07072
Autor:
Obeid, A. Scheikh, Aslanidou, S., Birkhan, J., Krugmann, A., von Neumann-Cosel, P., Pietralla, N., Poltoratska, I., Ponomarev, V. Yu.
Background: The B(E2) transition strength to the 2+_2 state in 94Zr was initially reported to be larger by a factor of 1.63 than the one to the 2+_1 state from lifetime measurements with the Doppler-shift attenuation method (DSAM) using the (n,n'gamm
Externí odkaz:
http://arxiv.org/abs/1401.4837
Autor:
Birkhan, J., Matsubara, H., von Neumann-Cosel, P., Pietralla, N., Ponomarev, V. Yu., Richter, A., Tamii, A., Wambach, J.
Publikováno v:
Phys. Rev. C 93, 041302(R) (2016)
Inelastic proton scattering at energies of a few hundred MeV and extreme forward angles selectively excites the isovector spin-flip M1 (IVSM1) resonance. A method based on isospin symmetry is presented to extract its electromagnetic transition streng
Externí odkaz:
http://arxiv.org/abs/1308.2817
Autor:
Bister, S., Birkhan, J., Lüllau, T., Bunka, M., Solle, A., Stieghorst, C., Riebe, B., Michel, R., Walther, C.
Publikováno v:
In Journal of Environmental Radioactivity June 2015 144:21-31
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