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Akademický článek

Medical dissertation basics: analysis of a course of study for medical students

Autor: Griegel, Sophia, Kühl, Michael, Schneider, Achim, Kühl, Susanne J.

Publikováno v: GMS Journal for Medical Education, Vol 39, Iss 2, p Doc26 (2022)

Background: Although the majority of medical students in Germany pursue a doctorate, only a portion of them receive a standardized scientific training, which is reflected in the quality issues seen in medical doctoral theses. The course Medical Disse

Externí odkaz: https://doaj.org/article/bdcb4654c72b4aeeb0ba7813531c7f52

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QCD Sum Rules and Applications to Nuclear Physics

Autor: Cohen, T. D., Furnstahl, R. J., Griegel, D. K., Jin, Xuemin

Publikováno v: Prog.Part.Nucl.Phys. 35 (1995) 221-298

Applications of QCD sum-rule methods to the physics of nuclei are reviewed, with an emphasis on calculations of baryon self-energies in infinite nuclear matter. The sum-rule approach relates spectral properties of hadrons propagating in the finite-de

Externí odkaz: http://arxiv.org/abs/hep-ph/9503315

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QCD sum rules and chiral logarithms

Autor: Lee, Su Houng, Choe, Seungho, Cohen, Thomas D., Griegel, David K.

Publikováno v: Phys.Lett. B348 (1995) 263-269

Standard QCD sum-rule analyses of the nucleon mass give results that are inconsistent with chiral perturbation theory due to an overly simple continuum ansatz on the phenomenological side of the sum rule. We show that a careful treatment of the conti

Externí odkaz: http://arxiv.org/abs/hep-ph/9411428

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QCD sum rules vs. chiral perturbation theory

Autor: Griegel, David K., Cohen, Thomas D.

Publikováno v: Phys.Lett. B333 (1994) 27-32

QCD sum rules are useful tools for studying the spectral properties of hadrons; however, assumptions underlying standard sum-rule analyses can lead to inconsistencies with known results of chiral perturbation theory. This possibility is demonstrated

Externí odkaz: http://arxiv.org/abs/hep-ph/9405287

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Role of heavy-meson exchange in pion production near threshold

Autor: Horowitz, C. J., Meyer, H. O., Griegel, D.

Publikováno v: Phys.Rev.C49:1337-1346,1994

Recent calculations of $s$-wave pion production have severely underestimated the accurately known $pp\rightarrow pp\pi^0$\ total cross section near threshold. In these calculations, only the single-nucleon axial-charge operator is considered. We have

Externí odkaz: http://arxiv.org/abs/nucl-th/9304004

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