Resummed event-shape variables in DIS
نویسندگان
چکیده
منابع مشابه
Resummed event-shape variables in DIS
We complete our study of resummed event-shape distributions in DIS by presenting results for the class of observables that includes the current jet mass, the Cparameter and the thrust with respect to the current-hemisphere thrust axis. We then compare our results to data for all observables for which data exist, fitting for αs and testing the universality of non-perturbative 1/Q effects. A numb...
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Resummed results are discussed for DIS event shape variable distributions involving the thrust defined using the thrust axis of the current hemisphere, the C parameter and the jet mass. The resummation of these variables requires the development of some techniques different to those applied before for the resummation of DIS event shapes. Including power corrections and matching a comparison wit...
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Juan Rojo, Guido Altarelli, Richard D. Ball and Stefano Forte, Dipartimento di Fisica, Università di Milano and INFN, Sezione di Milano, Via Celoria 16, I-20133 Milan, Italy Dipartimento di Fisica “E.Amaldi”, Università Roma Tre and INFN, Sezione di Roma Tre Via della Vasca Navale 84, I–00146 Roma, Italy, CERN, Department of Physics, Theory Division, CH-1211 Genève 23, Switzerland School of Phy...
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We present results from a recently completed project to calculate next-to-leading logarithmic resummed distributions for a variety of event shapes in the 1+1-jet limit of DIS. This allows fits for the strong coupling and for non-perturbative effects using the large amount of data on these observables from HERA. Spin-offs include the discovery of a new class of logs for certain final state obser...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2002
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2002/08/032