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Meson photoproduction on the nucleon with polarized photons

Meson photoproduction on the nucleon with polarized photons

Meson photoproduction with polarized photons has proved to be a powerful tool to identify contributions of baryon resonances that are not evident in the differential cross-sections. It provides information that are complementary to those extracted using pion-nucleon scattering data. Extensive results have been produced in the past on beam asymmetries by the Graal collaboration for η and π 0 on the proton. New results are now available for the same reactions on the quasi-free neutron and for the K+ photoproduction on the proton. Contributions from hitherto undetected baryon resonances may be important to understand the results.


A. D’Angelo, O. Bartalini, V. Bellini, J. P. Bocquet, P. Calvat, M. Capogni, L. Casano, M. Castoldi, J. Didelez, R. Di Salvo, A. Fantini, D. Franco, G. Gervino, F. Ghio, G. Giardina, B. Girolami, A. Giusa, M. Guidal, E. Hourani, V. Kuznetsov, R. Kunne, A. Lapik, P. Levi Sandri, A. Lleres, F. Mammoliti, G. Mandaglio, D. Moricciani, A. Mushkarenkov, V. Nedorezov, L. Nicoletti, C. Randieri, D. Rebreyend, F. Renard, N. Rudnev, T. Russew, G. Russo, C. Schaerf, M. L. Sperduto, M. C. Sutera, A. Turinge, V. Vegna (2007).

The European Physical Journal A, Hadrons and Nuclei – March 2007, Vol. 31, Issue 4, pp. 441-445, ISSN: 1434-6001, doi: 10.1140/epja/i2006-10272-8.


European Physical Journal AThe European Physical Journal (EPJ) is a series of peer-reviewed journals indexed in all major citation databases, and covering the whole spectrum of pure and applied physics, including related interdisciplinary subjects. In particular, The European Physical Journal A (EPJ A) presents new and original research results in Hadron physics and Nuclear physics, in a variety of formats, including Regular Articles, Reviews, Tools for Experiment and Theory/Scientific Notes and Letters.

Cristian Randieri

Cristian Randieri is a brilliant intelligent and great proactivity person and an effective communicator and visionary. He has built a strong (and deserved) reputation as someone with vision, diligence and honour. Cristian is not a simple engineer but he is a real Scientist. His knowledge is not restricted to the area it covers, but its impressive passion for all the technical topics led him to acquire great skills even in areas far from his original studies. Cristian is able to address and solve complex technical problems with excellent results. He is a valuable writer with great scientific background formed with more than 15 years of active research on experimental Nuclear Physics performed in the most famous international research laboratories such as CERN, ESRF, INF. He write about HI-Tech solutions topics and advanced research study applied to industry. With more than 150 scientific & technical publications, he is also, a technical and famous writer in Italy due to his interviews released to the most famous Industrial Italian magazines. Actually, he is the President & CEO of Intellisystem Technologies an Italian Research & Developments company committed to develop and sell innovative and advanced solutions.

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