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Related papers: Soft spin dipole giant resonances in 40Ca

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The energetic beam of (spin and isospin zero) $\alpha$-particles remains a very efficient probe for the nuclear isoscalar giant resonances. In the present work, a microscopic folding model study of the isoscalar giant resonances in…

Nuclear Theory · Physics 2015-05-14 Do Cong Cuong , Dao T. Khoa , Gianluca Colo

The strength distribution of the isoscalar giant dipole resonance (ISGDR) in $^{58}$Ni has been obtained over the energy range 10.5--49.5 MeV via extreme forward angle scattering (including 0$^{\circ}$) of 386 MeV $\alpha$ particles. We…

The second random-phase-approximation model corrected by a subtraction procedure designed to cure double counting, instabilities, and ultraviolet divergences, is employed for the first time to analyze the dipole strength and polarizability…

Nuclear Theory · Physics 2018-01-17 Danilo Gambacurta , Marcella Grasso , Olivier Vasseur

An experiment using the Eurogam Phase II gamma-ray spectrometer confirms the existence of an excited superdeformed (SD) band in 190Hg and its very unusual decay into the lowest SD band over 3-4 transitions. The energies and dipole character…

The low-energy isoscalar dipole response of heavy spherical nuclei is studied by using a semiclassical model, based on the solution of the linearized Vlasov kinetic equation for finite Fermi systems. In this translation-invariant model the…

Nuclear Theory · Physics 2019-11-25 V. I. Abrosimov , O. I. Davydovska

The possible occurence of highly deformed configurations in the $^{40}$Ca di-nuclear system formed in the $^{28}$Si + $^{12}$C reaction is investigated by analyzing the spectra of emitted light charged particles. Both inclusive and…

The high mass neutral quantum states envisaged by theories of physics beyond the standard model can at the hadron colliders reveal themselves through their decay into a pair of photons. Once such a peak in the diphoton invariant mass…

High Energy Physics - Phenomenology · Physics 2013-05-29 M. C. Kumar , Prakash Mathews , A. A. Pankov , N. Paver , V. Ravindran , A. V. Tsytrinov

With the use of the symmetry-unrestricted cranked SHF method in the 3D coordinate-mesh representation, a systematic search for the SD and HD rotational bands in the N=Z nuclei from 32S to 48Cr has been done, and SD and HD solutions have…

Nuclear Theory · Physics 2017-08-23 T. Inakura , S. Mizutori , M. Yamagami , K. Matsuyanagi

Radiative decay of 21 resonances in the 55Mn(p,g)56Fe reaction was studied in the proton beam energy region Ep = 1.3 - 1.8 MeV. Branching of decay to many low lying bound states up to excitation energy Ex ~ 8 MeV was measured. Exact energy…

Nuclear Experiment · Physics 2009-10-31 J. Materna , J. Liptak , F. Sterba , J. Sterbova , J. Vrzal

The theory of inter-spin-subband electric dipole spin resonance in transition metal dichalcogenide heterobilayers is proposed. Our symmetry analysis demonstrates that, in contrast to monolayers, the reduced symmetry of heterobilayers…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 K. K. Grigoryan , M. M. Glazov

We implanted ultra low doses (2x10^11 cm-2) of 121Sb ions into isotopically enriched 28Si and find high degrees of electrical activation and low levels of dopant diffusion after rapid thermal annealing. Pulsed Electron Spin Resonance shows…

Charge exchange spin-dipole (SD) excitations of $^{90}$Zr and $^{208}$Pb are studied by using a Skyrme Hartree-Fock(HF) + Random Phase approximation (RPA). The calculated spin-dipole strength distributions are compared with experimental…

Nuclear Theory · Physics 2008-11-26 H. Sagawa , Satoshi Yoshida , Xian-Rong Zhou , K. Yako , H. Sakai

The occurrence of the low-lying charge-exchange non spin-flip dipole modes below the giant resonance in neutron-rich nuclei is predicted on the basis of nuclear density functional theory. The ground and excited states are described in the…

Nuclear Theory · Physics 2017-11-15 Kenichi Yoshida

The electric dipole transition of the 3$^-$ state at 9.64 MeV of $^{12}$C to the 2$^+$ state at 4.44 MeV is speculated to play a key role in the triple-$\alpha$ reaction at high temperatures. A theoretical prediction of its transition width…

Nuclear Theory · Physics 2024-03-05 Y. Suzuki , W. Horiuchi , M. Kimura

High-spin states in $^{84}$Rb are studied by using the $^{70}$Zn($^{18}$O, p3n)$^{84}$Rb reaction at beam energy of 75 MeV. Three high-lying negative-parity bands are established, whose level spacings are very regular, i.e., there don't…

Nuclear Experiment · Physics 2016-06-28 Shuifa Shen , Xin Zhao , Guangbing Han , Shuxian Wen , Yupeng Yan , Xiaoguang Wu , Lihua Zhu , Chuangye He , Guangsheng Li

The collective spin-wave excitations in the antiferromagnetic state of $\gamma$-Fe$_{0.7}$Mn$_{0.3}$ were investigated using the inelastic neutron scattering technique. The spin excitations remain isotropic up to the high excitation energy,…

Materials Science · Physics 2017-06-06 S. Ibuka , S. Itoh , T. Yokoo , Y. Endoh

Study of the $^{11}$B($^{3}$He,d)$^{12}$C reaction at incident $^{3}$He energy E$_{lab}$ = 25 MeV has been performed at the K-130 cyclotron at the University of Jyv\"askyl\"a, Finland. Differential cross sections have been measured for the…

Key features of antiferromagnetic dynamical correlations in high-$T_C$ superconductors cuprates are discussed. In underdoped regime, the sharp resonance peak, occuring exclusively in the SC state, is accompanied by a broader contribution…

Superconductivity · Physics 2009-10-31 Ph. Bourges , Y. Sidis , H. F. Fong , B. Keimer , L. P. Regnault , J. Bossy , A. S. Ivanov , D. L. Milius , I. A. Aksay

In a recent inelastic neutron scattering experiment in the pseudogap state of the high temperature superconductor $\mathrm{YBa_{2}Cu_{3}O_{6.6}}$ an unusual `vertical' dispersion of the spin excitations with a large in-plane anisotropy was…

Superconductivity · Physics 2015-03-20 Chen-Hsuan Hsu , Zhiqiang Wang , Sudip Chakravarty

Magnetic properties of a sigma-phase Fe60V40 intermetallic compound were studied by means of ac and dc magnetic susceptibility and magnetocaloric effect measurements. The compound is a soft magnet yet it was found to behave like a…

Strongly Correlated Electrons · Physics 2017-02-28 M. Balanda , S. M. Dubiel , R. Pelka