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Workman, L. & Reader, W. (2015) Evolution and Behavior. Routledge.

November 2015

Edition: 1st
Publisher: Routledge
ISBN: 9780415522021

Authors:

Lance Workman

University of South Wales

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The approximation method for calculation of the exponents of the gluon distribution, λ g , and the s...

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We present a set of formulas using the solution of the QCD Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equation to extract of the exponents of the gluon distribution, λ g , and structure function, λ S , from the Regge-like behavior at low x. The exponents are found to be independent of x and to increase linearly with lnQ 2 and are compared with the most data from the H1 ... [Show full abstract] Collaboration. We also calculated the structure function F 2(x,Q 2) and the gluon distribution G(x,Q 2) at low x assuming the Regge-like behavior of the gluon distribution function at this limit and compared them with an NLO-QCD fit to theH1 data, two-Pomeron fit, multipole Pomeron exchange fit, and MRST (A.D. Martin, R.G. Roberts, W.J. Stirling, and R.S. Thorne), DL (A. Donnachie and P.V. Landshoff), and NLO GRV (M. Glük, E. Reya, and A. Vogt) fit results.

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Investigation of Cyclic Softening Behavior of Shot Peened S30432 Austenitic Stainless Steel by X-Ray...

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Microstructure evolution of shot peened S30432 austenitic stainless steel under external loading was investigated by X-ray diffraction method. The domain size, micro-strain, and dislocation density were calculated by Voigt method and Williamson method, respectively. The results show that the dislocation density decreases sharply in initial stage, then undergoes a stable stage, following by an ... [Show full abstract] increase in the end. It reveals that cyclic softening happened during cyclic loading, and it can ascribe to the high dislocation density after shot peening (SP). This study suggests that cyclic softening behavior may need to take into consideration when considering the strengthening effect of SP.