منابع مشابه
Total Photonic and Hadronic Cross - sections 1
We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of γγ → hadrons and compare it with OPAL and L3 data. We extrapolate this result to γ p total cross-sections and propose a phenomenological ansätz for virtual photon cross-sections. We point out that the good agreement with data ...
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High energy hadronic total cross-section data are found to agree with the predictions of a QCD-string picture.
متن کاملUltra-violet absorption cross sections
Ultra-violet absorption cross sections of isotopically substituted nitrous oxide species: NNO, NNO, NNO and NNO P. von Hessberg, J. Kaiser , M. B. Enghoff, C. A. McLinden, S. L. Sorensen, T. Röckmann, and M. S. Johnson Department of Chemistry, University of Copenhagen, Copenhagen, Denmark Max-Planck Institute for Nuclear Physics, Atmospheric Physics Division, Heidelberg, Germany now at: Departm...
متن کاملThe IONO2 absorption cross-sections
The UV-visible absorption spectrum of gaseous IONO 2 has been measured over the wavelength range 245–415 nm using the technique of laser photolysis with time-resolved UV-visible absorption spectroscopy. IONO 2 was produced in situ in the gas phase by laser flash photolysis of NO 2 /CF 3 I/N 2 mixtures. Post-flash spectra were deconvolved 5 to remove contributions to the observed absorption from...
متن کاملRotational averaging of multiphoton absorption cross sections.
Rotational averaging of tensors is a crucial step in the calculation of molecular properties in isotropic media. We present a scheme for the rotational averaging of multiphoton absorption cross sections. We extend existing literature on rotational averaging to even-rank tensors of arbitrary order and derive equations that require only the number of photons as input. In particular, we derive the...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 2007
ISSN: 0375-9474
DOI: 10.1016/j.nuclphysa.2007.03.058