نتایج جستجو برای: atom
تعداد نتایج: 49304 فیلتر نتایج به سال:
The goal of the DIRAC experiment at CERN (PS212) is to measure the ππ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the S-wave ππ scattering lengths combination |a0 − a2|. Based on part of the collected data we present a first result on the lifetime, τ = [
We reconsider the quantization of electctrodynamics with conductor boundary conditions using an approach suggested earlier where the boundary conditions for the field strengths are taken as constraints for the electromagnetic potentials. We consider in detail the difference to the traditional approach where one first chooses Coulomb gauge and after that applies the boundary conditions to the po...
The goal of the DIRAC experiment at CERN (PS212) is to measure the ππ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the S-wave ππ scattering lengths combination |a0 − a2|. Based on part of the collected data we present a first result on the lifetime, τ = [
In this work, theoretical investigations on carbon nanotube with oxygen atom have been carried out by firstprinciplescalculations and density functional theory and hartree fock theory in 3-216 and 6-316 basis sets. Theinteraction energy of the oxygen atom to a CNT is calculated. The effects of this substitutions have beeninvestigated on the during transplantation (10,0) single-walled carbon nan...
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