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Polarization Degress of Freedom in Charged Double Pion Porduction by Virtual Photons.

DE2005836694

Publication Date	2003
Personal Author	Golovach, E.; Burkeri, V.; Mokeev, V.
Page Count	10
Abstract	Polarization degrees of freedom in exclusive channel of two charged pion electroproduction are studied in the Q(sup 2) region from 0.6 to 1.3 GeV(sup 2). Predictions for the contribution to the GDH integral as well as helicity components of the cross section are estimated in the framework of the phenomenological approach developed for the analysis of the two pion production data from CLAS (JLAB). Calculations show high sensitivity of the helicity difference sigma(sub 1/2) - sigma(sub 3/2) to baryon resonances with strongly different A(sub 1/2) and A(sub 3/2) photocouplings.
Keywords	Photons Pions Production Baryons Cross sections Degrees of freedom Helicity Polarization Electroproduction
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Moscow State Univ. (Russia). Inst. of Nuclear Physics.; Department of Energy, Washington, DC.; Thomas Jefferson National Accelerator Facility, Newport News, VA.; Christopher Newport Univ., Newport News, VA.; Istituto Nazionale di Fusica Nucleare, Genova (Italy)
Supplemental Notes	Prepared in cooperation with Thomas Jefferson National Accelerator Facility, Newport News, VA., Christopher Newport Univ., Newport News, VA. and Istituto Nazionale di Fusica Nucleare, Genova (Italy). Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200518

Polarization Degress of Freedom in Charged Double Pion Porduction by Virtual Photons.

Polarization Degress of Freedom in Charged Double Pion Porduction by Virtual Photons.
DE2005836694

Publication Date	2003
Personal Author	Golovach, E.; Burkeri, V.; Mokeev, V.
Page Count	10
Abstract	Polarization degrees of freedom in exclusive channel of two charged pion electroproduction are studied in the Q(sup 2) region from 0.6 to 1.3 GeV(sup 2). Predictions for the contribution to the GDH integral as well as helicity components of the cross section are estimated in the framework of the phenomenological approach developed for the analysis of the two pion production data from CLAS (JLAB). Calculations show high sensitivity of the helicity difference sigma(sub 1/2) - sigma(sub 3/2) to baryon resonances with strongly different A(sub 1/2) and A(sub 3/2) photocouplings.
Keywords	Photons Pions Production Baryons Cross sections Degrees of freedom Helicity Polarization Electroproduction
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Moscow State Univ. (Russia). Inst. of Nuclear Physics.; Department of Energy, Washington, DC.; Thomas Jefferson National Accelerator Facility, Newport News, VA.; Christopher Newport Univ., Newport News, VA.; Istituto Nazionale di Fusica Nucleare, Genova (Italy)
Supplemental Notes	Prepared in cooperation with Thomas Jefferson National Accelerator Facility, Newport News, VA., Christopher Newport Univ., Newport News, VA. and Istituto Nazionale di Fusica Nucleare, Genova (Italy). Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200518