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41.
M. Anselmino M. Boglione U. D'Alesio F. Murgia 《The European Physical Journal C - Particles and Fields》2001,21(3):501-512
We calculate, within the pQCD parton model at leading orders, the expression of the polarization P of spin 1/2 hadrons (typically baryons), produced in polarized semi-inclusive DIS in all possible cases in which weak interactions are involved. We discuss
how to gather new information on fragmentation and distribution functions and give numerical estimates in the cases for which
data are or will soon be available.
Received: 7 June 2001 / Published online: 10 August 2001 相似文献
42.
Mauro Anselmino 《Czechoslovak Journal of Physics》2002,52(3):C13-C26
43.
44.
Photochemistry of nucleic acids in cells. 总被引:6,自引:0,他引:6
J Cadet C Anselmino T Douki L Voituriez 《Journal of photochemistry and photobiology. B, Biology》1992,15(4):277-298
A survey of the recent aspects of the main photoreactions induced by far-UV radiation in cellular DNA is reported. This mostly includes the formation of cyclobutadipyrimidines, pyrimidine(6-4)pyrimidone photoadducts and related Dewar valence isomers in various eukaryotic and prokaryotic cells, as monitored by using either specific or more general assays. Information is also provided on mechanistic aspects regarding the formation of 5,6-dihydro-5-(alpha-thyminyl) thymine, the so-called "spore photoproduct" within far-UV-irradiated bacterial spores. The second major topic of the review deals with the effects of near-UV radiation and visible light on cellular DNA which are mostly mediated by photosensitizers. The main photoreactions of furocoumarins with DNA, one major class of photosensitizers used in the phototherapy of skin diseases, involve a [2 + 2] cycloaddition to the thymine bases according to an oxygen-independent mechanism. In contrast a second type of photosensitized reaction which appears to play a major role in the genotoxic effects of both near-UV and visible light requires the presence of oxygen. The photodynamic effects which are mediated by either still unidentified endogenous photosensitizers or defined exogenous photosensitizers lead to the formation of a wide spectrum of DNA modifications including base damage, oligonucleotide strand breaks and DNA-protein cross-links. 相似文献
45.
46.
K. Brauer E. Tikkanen Z. Dische D. Laszlo und K. J. Anselmino 《Fresenius' Journal of Analytical Chemistry》1933,94(1-2):57
Ohne Zusammenfassung 相似文献
47.
H. Jensen O. Schales W. Zimmermann M. J. Schmulowitz H. B. Wylie G. Pincus G. Wheeler G. Young P. A. Zahl S. L. Cohen G. F. Marrian G. F. Castland R. K. Meyer L. C. Miller M. H. Ritz S. Goertz K. David R. Wagner J. P. Visscher D. E. Bowman C. Dolff E. Wiesener S. Aschheim B. Zondek B. Ostadal K. J. Anselmino Friedrich Hoffmann W. Kestraneck H. Molitor E. P. Pick I. A. Smorodinzew A. M. Feldt W. W. Palmer J. P. Leland A. B. Gutmann G. L. Foster V. Trevorrow G. J. Fashena J. Devine K. Bhagvat H. Blaschko D. Richter H. Schlossmann S. J. Meltzer C. M. Auer J. M. Rogoff 《Analytical and bioanalytical chemistry》1942,123(1-2):71-77
48.
M. Anselmino M. Boglione U. D’Alesio A. Kotzinian S. Melis F. Murgia A. Prokudin C. Türk 《The European Physical Journal A - Hadrons and Nuclei》2009,39(1):89-100
We study the Sivers effect in the transverse single spin asymmetries (SSA) for pion and kaon production in semi-inclusive
deep inelastic scattering (SIDIS) processes. We perform a fit of which, by including recent high-statistics experimental data for pion and kaon production from HERMES and COMPASS Collaborations,
allows a new determination of the Sivers distribution functions for quarks and antiquarks with u , d and s flavours. Estimates for forthcoming SIDIS experiments at COMPASS and JLab are given. 相似文献
49.
Using the proper-time technique we calculate the one-fermion-loop contributions in four and six derivatives to the effective Lagrangian for theSU(2)xSU(2) non-linear σ-model. 相似文献
50.
M. Anselmino M. Boglione A. Prokudin C. Türk 《The European Physical Journal A - Hadrons and Nuclei》2007,31(3):373-381
We consider the azimuthal and PT-dependence of hadrons produced in unpolarized Semi-Inclusive Deep Inelastic Scattering (SIDIS) processes, within the factorized
QCD parton model. It is shown that at small PT values, P
T ≲ 1GeV/c, lowest-order contributions, coupled to unintegrated (transverse-momentum-dependent) quark distribution and fragmentation
functions, describe all data. At larger PT values, P
T ≳ 1GeV/c, the usual pQCD higher-order collinear contributions dominate. Having explained the full PT range of available data, we give new detailed predictions concerning the azimuthal and PT-dependence of hadrons which could be measured in ongoing or planned experiments by HERMES, COMPASS and JLab Collaborations. 相似文献