Contalbrigo Marco INFN Ferrara ECT* Workshop - Lattice QCD and Hadron Physics 15 th January 2014, Trento 2 Contalbrigo M. Longitudinal momentum k + =xP + Transverse plane kTkT bTbT Transverse momentum Transverse position l l Photon Virtuality Q 2 d2kTd2kT d2bTd2bT d2kTd2kT d2bTd2bT Lattice and Hadrons, 15 th January 2014, ECT* TMDs: d2kTd2kT =0,t=0 d2kTd2kT Exclusive Measurements 1+2D spatial distribution Semi-inclusive measurements 3D momentum distribution (FT) GPDs: 3 Contalbrigo M. PDFs Mother Wigner distributions d2bTd2bT Lattice and Hadrons, 15 th January 2014, ECT* d2kTd2kT =0,t=0 d2kTd2kT (FT) p T < 2 GeV/c s = 20 GeV xFxF ANAN May solve proton spin puzzle May explain SSA & Lam-Tung 4 Contalbrigo M. PDFs Mother Wigner distributions d2bTd2bT TMDs: Exclusive Measurements 1+2D spatial distribution Semi-inclusive measurements 3D momentum distribution GPDs: Lattice and Hadrons, 15 th January 2014, ECT* 5 Contalbrigo M. EIC Lattice and Hadrons, 15 th January 2014, ECT* Limit defined by luminosity Different Q 2 for same x range EIC Valence Complementary experiments Sea 6 Contalbrigo M. 12 Lattice and Hadrons, 15 th January 2014, ECT* CHL-2 Upgrade magnets and power supplies Enhance equipment in existing halls add Hall D (and beam line) 8 Contalbrigo M. Beam Energy 12 GeV Beam current 90 A Beam polarization 85 % Lattice and Hadrons, 15 th January 2014, ECT* First beam expected in Hall-A in spring 2014 9 Contalbrigo M. Super High Momentum Spectrometer (SHMS) unpolarized SIDIS, hadron ID Hall-C Spectrometer pair, polarized 3 He target up to to cm -2 s -1, hadron ID Hall-A Hall-B CLAS12 HD-ice (H,D) polarized targets up to cm -2 s -1, complete acceptance, hadron ID SOLID 3 He, NH 3 polarized targets up to cm -2 s -1, large acceptance, pion ID Hall-A Lattice and Hadrons, 15 th January 2014, ECT* 10 Contalbrigo M. Super High Momentum Spectrometer (SHMS) unpolarized SIDIS, hadron ID Hall-C Spectrometer pair, polarized 3 He target up to to cm -2 s -1, hadron ID Hall-A Hall-B CLAS12 HD-ice (H,D) polarized targets up to cm -2 s -1, complete acceptance, hadron ID SOLID 3 He, NH 3 polarized targets up to cm -2 s -1, large acceptance, pion ID Hall-A Lattice and Hadrons, 15 th January 2014, ECT* SIDIS cross-section factorization tests 11 Contalbrigo M. Super High Momentum Spectrometer (SHMS) unpolarized SIDIS, hadron ID Hall-C Spectrometer pair, polarized 3 He target up to to cm -2 s -1, hadron ID Hall-A Hall-B CLAS12 HD-ice (H,D) polarized targets up to cm -2 s -1, complete acceptance, hadron ID SOLID 3 He, NH 3 polarized targets up to cm -2 s -1, large acceptance, pion ID Hall-A Lattice and Hadrons, 15 th January 2014, ECT* SIDIS cross-section factorization tests Luminosity frontier World leading 3 He target 12 Contalbrigo M. Super High Momentum Spectrometer (SHMS) unpolarized SIDIS, hadron ID Hall-C Spectrometer pair, polarized 3 He target up to to cm -2 s -1, hadron ID Hall-A Hall-B CLAS12 HD-ice (H,D) polarized targets up to cm -2 s -1, complete acceptance, hadron ID SOLID 3 He, NH 3 polarized targets up to cm -2 s -1, large acceptance, pion ID Hall-A Lattice and Hadrons, 15 th January 2014, ECT* SIDIS cross-section factorization tests Luminosity frontier World leading 3 He target TMDs and GPDs comprehensive study, with special care on applicability 13 Contalbrigo M. Super High Momentum Spectrometer (SHMS) unpolarized SIDIS, hadron ID Hall-C Spectrometer pair, polarized 3 He target up to to cm -2 s -1, hadron ID Hall-A Hall-B CLAS12 HD-ice (H,D) polarized targets up to cm -2 s -1, complete acceptance, hadron ID SOLID 3 He, NH 3 polarized targets up to cm -2 s -1, large acceptance, pion ID Hall-A Lattice and Hadrons, 15 th January 2014, ECT* SIDIS cross-section factorization tests Luminosity frontier World leading 3 He target TMDs and GPDs comprehensive study, with special care on applicability Ultimate statistical precision in the valence region 15 Contalbrigo M. SIDIS cross section (transversely pol. target): Lattice and Hadrons, 15 th January 2014, ECT* 16 Contalbrigo M. DFDF FF SIDIS cross section (transversely pol. target): Involved phenomenology due to the convolution over transverse momentum TMD factorization for P T