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Parent nucleus


  • Webster's Revised Unabridged Dictionary
    • Parent nucleus (Biol) a nucleus which, in cell division, divides, and gives rise to two or more daughter nuclei. See Karyokinesis, and Cell division, under Division.
    • ***


In literature:

The parent nuclei do not die within the new nucleus.
"Fantasia of the Unconscious" by D. H. Lawrence
A portion of the nucleus of the parent cell makes its way through the extremely narrow neck into the daughter cell.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3" by Various
Differentiating division, such a division of the nucleus as would result in daughter-nuclei unlike each other, and unlike the parent nucleus.
"The Biological Problem of To-day" by Oscar Hertwig

In science:

In general, transitions occur from the ground state of the parent nucleus to an excited state of the daughter nucleus.
Introduction to Astronomy with Radioactivity
Alpha decay : This describes the ejection of a 4He nucleus from the parent radioactive nucleus upon decay. 4He nuclei have since been known also as alpha particles for that reason.
Introduction to Astronomy with Radioactivity
There are now urgent reasons for probing Ma jorana neutrino masses at the 0.03-0.10 eV level, requiring ton masses of the parent nucleus.
Nuclear Physics Neutrino PreTown Meeting: Summary and Recommendations
The ground state of the parent nucleus 12N is obtained with a variational calculation after spin parity pro jection to 1+ states.
Variation after Angular Momentum Projection for the Study of Excited States Based on Antisymmetrized Molecular Dynamics
The effective Ma jorana mass |mee | cannot depend on the parent nucleus.
Nuclear Matrix Elements of $0\nu\beta\beta$-Decay: Possible Test of the Calculations
From eq. (25) it follows that for a given M (A, Z )| |M 0 ν parent nucleus the product |mee |2 M (A, Z )|2 does not depend on the model.
Nuclear Matrix Elements of $0\nu\beta\beta$-Decay: Possible Test of the Calculations
Such a process occurs only if the parent decaying nucleus is less bound that the final one, the intermediate nucleus being less bound than both these nuclei.
Recent advances in neutrinoless double beta decay search
It has to be pointed out that the second-order process is allowed if Q is positive, but, if a single beta decay parent nucleus is unstable, it is practically impossible to distinguish the DBD from the usual, and most intensive, beta decay, i.e. the background.
Recent advances in neutrinoless double beta decay search
T is the almost good isospin of the parent nucleus (see Table III for 1f 7 ).
Isospin symmetry breaking in an algebraic pairing Sp(4) model
These transitions are listed by parent nucleus in the first column of Table I, and the δC results for this model appear in the fifth column of the same table.
Comparative tests of isospin-symmetry-breaking corrections to superallowed 0+-to-0+ nuclear beta decay
Skyrme-Hartree-Fock calculation was performed for each even-even A-body system: the parent for the cases in which the superallowed decay proceeds from a Tz = −1 parent nucleus, and the daughter for cases of decay from a Tz = 0 parent nucleus.
Comparative tests of isospin-symmetry-breaking corrections to superallowed 0+-to-0+ nuclear beta decay
The determination of Vud involves three measurements: the energy separation, QEC, between initial and final nuclear states (required for the calculation of the transition phase space, f ); the half life t1/2 of the parent nucleus and the branching ratio BR(0+ → 0+ ) for transitions between isobaric analog states.
V_ud and V_us: CKM 2010 working group I summary
The parent relativistic particles (e.g., protons) could be accelerated in the nucleus of GC, and then injected into Fermi Bubbles.
TeV Astronomy
The photodisintegration process results in the production of nucleons of ultrahigh energies with the same Lorentz factor of the parent nucleus.
From 3K to $10^{20}$eV
In some cases, discrepancies may arise between the quoted off-sets of the supernova from the galaxy nucleus and the same data derived from the SN-parent relative coordinates (see e.g.
The Asiago Supernova Catalogue- 10 years after