heavy element
Mapping quasifission characteristics in heavy element formation reactions
... The approach begins by choosing measurements at beam energies somewhat above the capture barrier (typ- ically by ∼ 6%). Here the known effects of deformation alignment [3, 12, 16, 17] and shell structure observed in ...
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Observations of intergalactic heavy-element enrichment in the early universe
... density can exceed the H i column by no more than ∼ 60% in photoionization equilibrium. Since the oscillator strength for Ly-α is 3.2 times larger than that of O vi , photoionized O vi should always be accompanied by ...
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Electronic Structure of Heavy Element Systems and Many-body Constructions of High-accuracy Effective Core Potentials.
... Over the decades, there has been considerable interest in transition metal systems due to their intriguing physical properties and their potential applications. As a results of the versa- tility of d -bonding, a wide ...
277
Heavy Element Nucleosynthesis
... of heavy elements in the ...of heavy elements will be described and linked to possible stellar sites and to galactic chemical ...the heavy element nucleosynthesis in the Galaxy, emphasizing ...
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Heavy element abundances in ionized nebulae
... in heavy elements so th a t its ORL emission rates would be high and lead to the observed abundance ...enhanced heavy element ORL emission and indications of high electron ...of heavy ...
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Systematic study of quasifission characteristics and timescales in heavy element formation reactions
... To improve our quantitative understanding of the role of shell structure in the dynamics of quasifission, we make an analogy with the liquid drop model approach to nuclear masses, in which localized shell effects can be ...
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Towards Heavy Element Materials with Electronic Structure Quantum Monte Carlo Methods.
... Over the decades, there has been considerable interest in transition metal systems due to their intriguing physical properties and their potential applications. As a results of the versatility of d-bonding, a wide ...
193
Survival Mediated Heavy Element Capture Cross Sections
... While measurements of capture, fusion and quasi-fission cross sections have scientific value, they must be “filtered’ for relevance in considerations of heavy element synthe- sis. The “e ff ective" ...
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Mass-angle distributions - Insights into the dynamics of heavy element formation
... reach compact shapes, and thus undergo true fusion, with a concomitant increase expected in ER cross sections. This e ff ect is substantially attenuated if the N / Z ratios of the two colliding nuclei are significantly ...
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Laatiaoui, Mustapha (2010): Development of an Ion Mobility Spectrometer for Heavy Element Research. Dissertation, LMU München: Fakultät für Physik
... of heavy elements can be found in the literature ...studying heavy and superheavy elements is the aqueous phase and gas phase chemistry of single ...to element 108 (hassium) [9] and for ...
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Experimental Challenge to Heavy Element Synthesis under Explosive Burning on Neutron Stars
... The afterglow in the NS-NS merger, called kilo-nova or macro-nova, is the first evidence of the r-process site occurring in a stellar event, although a direct identification of each element synthesized was not ...
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In-beam fission study for Heavy Element Synthesis
... Experiments to produce superheavy nuclei (SHN) have been carried out by using heavy-ion fusion and evaporation reactions [1–3]. Prediction of the cross sections for SHN is important to make an experimental plan ...
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Prospects of A and Z identification experiments at LBNL
... the heavy element ...the heavy element group has undertaken a program to study these new elements to perform experiments aimed at measuring the Z and ...
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Quasifission in heavy and superheavy element formation reactions
... of heavy element formation ...of heavy nuclei, which couples shape changes of the nuclear system to internal nucleonic degrees of freedom (one-body ...
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Fusion – fission dynamics: fragment mass distribution studies
... super heavy element, it is important to understand the reaction dynamics of fusion-fission and quasi-fission at beam energies close to the Coulomb barrier for different target- projectile combinations of ...
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Jupiter formed as a pebble pile around the N_2 ice line
... accreted heavy element mass and the available nitrogen strongly limit the amount and composition of the solids that have enriched Jupiter’s ...total heavy element mass (which includes the ice) ...
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Transposable Element Insertions Respecify Alternative Exon Splicing in Three Drosophila Myosin Heavy Chain Mutants
... Figure 4.—(A) Northern analysis of mRNA collected from Mhc4/SM1 pupae. When probed with labeled DNA con- taining Mhc exons 2, 3b, and 4, a 2.4-kb transcript is detected in mutant RNAs that is not present in the wild-type ...
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Heavy-flavour and quarkonia in heavy-ion collisions
... for heavy quarks than for light quarks and gluons, due to the smaller colour coupling factor of quarks with respect to gluons, and to the ‘dead-cone effect’, which reduces small-angle gluon radiation for ...
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The Development of Finite Element Analysis Software for Creep Damage Analysis
... Abstract - The development and application of computational creep damage is very active among research community and high temperature industry. This paper presents a development and preliminary validation of in-house ...
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Thermal Stress Analysis On Heavy Truck Disc Brake Rotor Using Finite Element Analysis (ABAQUS)
... model heavy truck, the working component of brake disc, theory of the heat transfer inside the rotor, the information about the finite element analysis and includes a detailed review of the relevant ...
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