Coulomb excitation is a technique in experimental nuclear physics to probe the electromagnetic aspect of nuclear structure. In Coulomb excitation, a nucleus is excited by an inelastic collision with another nucleus through the electromagnetic interaction. In order to ensure that the interaction is electromagnetic in nature — and not nuclear — the distance of closest approach of the colliding nuclei has to be sufficiently large. In particular, in low-energy Coulomb excitation (taking place at beam energies of a few megaelectronvolts per nucleon) the commonly adopted empirical criterion is that if the surfaces of the colliding nuclei are separated by at least 5 femtometers, the contribution of the short-range nuclear interaction to the excitation process can be neglected.[1]
From the measured excitation cross sections, electromagnetic transition probabilities between the nuclear energy levels can be extracted.
This method is particularly useful for investigating collectivity in nuclei, as collective excitations are often connected by strong electric quadrupole transitions.
Moreover, it is the only experimental method in nuclear physics that is sensitive to electric quadrupole moments of excited nuclear states with lifetimes shorter than nanoseconds.
^D.Cline. "Nuclear Shapes Studied by Coulomb Excitation".
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Coulombexcitation is a technique in experimental nuclear physics to probe the electromagnetic aspect of nuclear structure. In Coulombexcitation, a nucleus...
In mesoscopic physics, a Coulomb blockade (CB), named after Charles-Augustin de Coulomb's electrical force, is the decrease in electrical conductance at...
using unsegmented detectors. The array has been used for successful Coulomb-excitation and transfer-reaction experiments with exotic beams. Results from...
similar to Coulomb explosion, except that any fine structure in the material will be damaged by thermal melting. It may be shown that the Coulomb explosion...
independent. Usually, an elementary excitation is called a "quasiparticle" if it is a fermion and a "collective excitation" if it is a boson. However, the...
1002/047003758X.ch3. ISBN 978-0-471-68240-0. Breit G (April 1967). "Virtual coulombexcitation in nucleon transfer". Proceedings of the National Academy of Sciences...
with rising excitation due to excitation-induced dephasing and the emission peak experiences a small shift in energy due to the Coulomb-renormalization...
techniques including nuclear spectroscopy, nucleon knockouts, and Coulombexcitation. Educated in Germany, she works at Michigan State University in the...
long-range Coulomb interactions, the single-particle DOS vanishes at the chemical potential, at low enough temperatures, such that thermal excitations do not...
experiment is used to analyse the decays of short-lived nuclei involved in Coulombexcitation and transfer reactions. Results from Miniball at ISOLDE that found...
radium-224 has been obtained at ISOLDE,CERN using a technique called Coulombexcitation. Radium, like barium, is a highly reactive metal and always exhibits...
collisional excitation can make up the energy shortfall allowing optical excitation to be used to select the final state. Although the initial step excites to...
electron and an electron hole that are attracted to each other by the Coulomb force can form a bound state called an exciton. It is an electrically neutral...
are left to the valence band due to optical excitation processes. The quantum dynamics of optical excitations yields an integro-differential equations that...
Chicago press. p. 156. ISBN 0-226-72456-5. Breit, G. (1967). "Virtual CoulombExcitation in Nucleon Transfer" (PDF). Proceedings of the National Academy of...
as involving fission events for which fission fragments have such low excitation energy that no neutrons or gammas are emitted. Cold fission events have...
particularly studies of the nuclear giant resonance structures via Coulombexcitations, and their subsequent decay via photon and neutron emission with...
Physics | SESAPS | Jesse W. Beams Award Guth, Eugene (1967). "Review of CoulombExcitation by L. C. Biedenharn and P. J. Brussaard". Physics Today. 20 (3): 115–117...
to study physics under D. Allan Bromley. Under Bromley, he studied Coulombexcitation in osmium isotopes. He obtained his Master of Science (M.S.) from...
quantum excitations of the field can be interpreted as particles. The Standard Model contains the following particles, each of which is an excitation of a...
additionally observes the screening of the Coulomb interaction, excitation-induced dephasing, and excitation-induced energy shifts. All these aspects are...
'developing new sensitive methods of studying nuclear structure, utilizing Coulombexcitation with fast beams of rare isotopes'. 2007 for Chemistry (for Metals...
pair, such as vector meson photoproduction accompanied by mutual Coulombexcitation. These reactions are currently the primary method of studying photo-nuclear...
requires Coulomb coupling between them to be much stronger than the decay rate via phonons (which is usually not the case). The excitation will finally...
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