5,463 research outputs found

    Acknowledgement Patterns in Research Articles: a Bibliometric Study based on Journal of Natural Rubber Research 1986-1997

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    Analyses the acknowledgements included in the research articles and short communications published in Journal of Natural Rubber Research (1986-1997) in respect of types, frequency of occurrence, individuals acknowledged, etc. Results indicate that 74% items contain acknowledgements; an average acknowledgement per item is 2.2; the most common type of acknowledgments relates to technical support. Peer interactive communication accounts for 44% of the total acknowledgements. The result of the study substantiates the earlier findings that a small number of individuals are highly acknowledged and the rest are acknowledged infrequently

    The Exchange Rate and Interest Rate Differential Relationship: Evidence from Two Financial Crises

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    This paper examines the contemporaneous and inter-temporal interaction between real exchange rate and real interest rate differential in the two financial crises of 1997 and 2008 by using data from thirteen countries from different world regions. The empirical result shows that negative contemporaneous relationship exists in most countries. In addition, there is little evidence on a systematic inter-temporal relationship between the real interest rate differential and the real exchange rate, and an absence of consistent result in supporting a negative relationship among the thirteen economies. An extremely low change in the conditional correlation between real interest rate differential and real exchange rates can be found in small countries.Contemporaneous, inter-temporal relationship, exchange rate, interest rate differential, financial crisis

    Analytical method for designing grating compensated dispersion-managed soliton systems

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    This paper was published in Journal of Optical Society of America B and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=JOSAB-21-4-706. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. © 2004 The Optical Society.Peer reviewedPublisher PD

    Angular distributions of the polarized photons and electron in the decays of the 3D3^3D_3 state of charmonium

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    We calculate the combined angular distribution functions of the polarized photons (γ1\gamma_1 and γ2\gamma_2) and electron (ee^-) produced in the cascade process pˉp\bar{p}p\rightarrow 3D3^3D_3\rightarrow 3P2+γ1^3P_2+\gamma_1\rightarrow (ψ+γ2)+γ1(e++e)+γ1+γ2(\psi+\gamma_2)+\gamma_1\rightarrow(e^++e^-)+\gamma_1+\gamma_2, when the colliding pˉ\bar{p} and pp are unpolarized. Our results are independent of any dynamical models and are expressed in terms of the spherical harmonics whose coefficients are functions of the angular-momentum helicity amplitudes of the individual processes. Once the joint angular distribution of (γ1\gamma_1, γ2\gamma_2) and that of (γ2\gamma_2, ee^-) with the polarization of either one of the two particles are measured, our results will enable one to determine the relative magnitudes as well as the relative phases of all the angular-momentum helicity amplitudes in the radiative decay processes 3D3^3D_3\rightarrow 3P2+γ1^3P_2+\gamma_1 and 3P2ψ+γ2^3P_2\rightarrow\psi+\gamma_2

    Angular distributions in the radiative decays of the 3D3^3D_3 state of charmonium originating from polarized pˉp\bar{p}p collisions

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    Using the helicity formalism, we calculate the combined angular distribution function of the two gamma photons (γ1\gamma_1 and γ2\gamma_2) and the electron (ee^-) in the triple cascade process pˉp3D33P2+γ1(ψ+γ2)+γ1(e+e+)+γ2+γ1\bar{p}p\rightarrow{}^3D_3\rightarrow{}^3P_2+\gamma_1\rightarrow(\psi+\gamma_2) +\gamma_1 \rightarrow (e^- + e^+) +\gamma_2 +\gamma_1, when pˉ\bar{p} and pp are arbitrarily polarized. We also derive six different partially integrated angular distribution functions which give the angular distributions of one or two particles in the final state. Our results show that by measuring the two-particle angular distribution of γ1\gamma_1 and γ2\gamma_2 and that of γ2\gamma_2 and ee^-, one can determine the relative magnitudes as well as the relative phases of all the helicity amplitudes in the two charmonium radiative transitions 3D33P2+γ1{}^3D_3\rightarrow{}^3P_2+\gamma_1 and 3P2ψ+γ2^3P_2\rightarrow \psi+\gamma_2.Comment: arXiv admin note: substantial text overlap with arXiv:1311.464
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