نتایج جستجو برای: nuclear parity

تعداد نتایج: 262886  

Journal: :iranian journal of applied animal science 2011
p.a. addass a. midau m.a. tizhe z.b. mshelia y.m. muktar

eighteen primiparous rabbit does comprising of six per breed of new zealand white (nzw), chinchilla (cc) and dutch belted (db). they were randomly allocated to three rebreeding interval groups of 7, 14 and 21 days postpartum. three breeding males, one per breed were used giving a total of 21 rabbits. significant (p

Journal: :Physical review. D, Particles and fields 1996
Engel Frampton Springer

Using effective Lagrangians, we argue that any time-reversal-violating but parity-conserving effects are too small to be observed in flavor-conserving nuclear processes without dramatic improvement in experimental accuracy. In the process we discuss other arguments that have appeared in the literature. PACS-1995: 11.30.Er, 11.10.E, 24.80.D Typeset using REVTEX

2000
Martin J. Savage

Parity violation in low-energy nuclear observables is included in the pionless effective field theory. The model-independent relation between the parityviolating asymmetry in ~np → dγ and the non-nucleon part of the deuteron anapole moment is discussed. The asymmetry in ~np → dγ computed with KSW power-counting, and recently criticized by Desplanques, is discussed.

Journal: :Science 2009
Brendon W Lovett Simon C Benjamin

Neumann et al. (Reports, 6 June 2008, p. 1326) recently reported the preparation of multiparticle entanglement among single spins in diamond. However, two of the system's nuclear eigenstates are incorrectly described as product states when they are inherently entangled. Consequently, three of the six states reported, namely the odd-parity Bell states and the W state, were not actually produced.

2005
V. M. Shabaev O. V. Andreev A. N. Artemyev S. S. Baturin A. A. Elizarov Y. S. Kozhedub N. S. Oreshkina I. I. Tupitsyn V. A. Yerokhin O. M. Zherebtsov

Accurate calculations of the binding energies, the hyperfine splitting , the bound-electron g-factor, and the parity nonconservation effects in heavy few-electron ions are considered. The calculations include the relativistic, quantum electrodynamic (QED), electron-correlation, and nuclear effects. The theoretical results are compared with available experimental data. A special attention is foc...

Journal: :Physical Review C 2021

The electric dipole moments (EDMs) of diamagnetic atoms are expected to be sensitive charge-parity violation particularly in nuclei through the nuclear Schiff moment. I explicitly demonstrate that well-known form moment operator originating from nucleon EDM is obtained by considering screening EDMs a neutral atom. Consequently, an additional contribution arises induced interaction with protons....

2008
Fedor Šimkovic Amand Faessler Sergey Kovalenko Ivan Schmidt

A detailed study of the muonic analogue of neutrinoless double beta decay, (μ, μ+) conversion, has been carried out for the A=44 nuclear system. We studied several lepton number violating (LNV) mechanisms potentially triggering this process: exchange by light and heavy Majorana neutrinos as well as exchange by supersymmetric particles participating in R-parity violating interactions. The nuclea...

2006
C. J. Horowitz

Heavy ion experiments provide important data to test astrophysical models. The high density equation of state can be probed in HI collisions and applied to the hot protoneutron star formed in core collapse supernovae. The Parity Radius Experiment (PREX) aims to accurately measure the neutron radius of Pb with parity violating electron scattering. This determines the pressure of neutron rich mat...

Journal: :journal of family and reproductive health 0
pooneh salari medical ethics and history of medicine research center, tehran university of medical sciences, tehran, iran. mohammad abdollahi faculty of pharmacy, tehran university of medical sciences, tehran, iran ; pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran ; endocrinology & metabolism research center, tehran university of medical sciences, tehran, iran.

osteoporosis is considered as an important public health problem especially in postmenopausal women. there are some hypotheses support the contributory effect of pregnancy and lactation on osteoporosis later in life. high calcium demand during pregnancy and lactation and low estrogenic state support those hypotheses. numerous studies have investigated on the issue but there is no consensus abou...

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