The high-precision HERA data allows searches up to TeV scales for beyond the Standard Model contributions to electron-quark scattering. Combined measurements of the inclusive deep inelastic cross sections in neutral and charged current ep scattering corresponding to a luminosity of around 1 fb(-1) have been used in this analysis. A new approach to the beyond the Standard Model analysis of the inclusive ep data is presented; simultaneous fits of parton distribution functions together with contributions of "new physics" processes were performed. Results are presented considering a finite radius of quarks within the quark form-factor model. The resulting 95% C.L. upper limit on the effective quark radius is 0.43.10(-16) cm.

Limits on the effective quark radius from inclusive ep scattering at HERA

BERTOLIN, ALESSANDRO;BRUGNERA, RICCARDO;DUSINI, STEFANO;GARFAGNINI, ALBERTO;LIMENTANI, SILVIA;LONGHIN, ANDREA;STANCO, LUCA;
2016

Abstract

The high-precision HERA data allows searches up to TeV scales for beyond the Standard Model contributions to electron-quark scattering. Combined measurements of the inclusive deep inelastic cross sections in neutral and charged current ep scattering corresponding to a luminosity of around 1 fb(-1) have been used in this analysis. A new approach to the beyond the Standard Model analysis of the inclusive ep data is presented; simultaneous fits of parton distribution functions together with contributions of "new physics" processes were performed. Results are presented considering a finite radius of quarks within the quark form-factor model. The resulting 95% C.L. upper limit on the effective quark radius is 0.43.10(-16) cm.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11577/3221735
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