Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive π⁰ production

M. Aghasyan , H. Avakian , P. Rossi , E. De Sanctis , D. Hasch , M. Mirazita , D. Adikaram , M.J. Amaryan

show 146 more authors

M. Anghinolfi H. Baghdasaryan J. Ball M. Battaglieri V. Batourine I. Bedlinskiy R. P. Bennett A.S. Biselli D. Branford W.J. Briscoe S. B\"ultmann V.D. Burkert D.S. Carman S. Chandavar P.L. Cole P. Collins M. Contalbrigo V. Crede A. D'Angelo A. Daniel N. Dashyan R. De Vita A. Deur B. Dey R. Dickson C. Djalali G.E. Dodge D. Doughty R. Dupre H. Egiyan A. El Alaoui L. Elouadrhiri P. Eugenio G. Fedotov S. Fegan A. Fradi M.Y. Gabrielyan M. Gar\c{c}on N. Gevorgyan G.P. Gilfoyle K.L. Giovanetti F.X. Girod J.T. Goetz W. Gohn E. Golovatch R.W. Gothe L. Graham K.A. Griffioen B. Guegan M. Guidal N. Guler L. Guo K. Hafidi C. Hanretty K. Hicks M. Holtrop C.E. Hyde Y. Ilieva D.G. Ireland E.L. Isupov S.S. Jawalkar D. Jenkins H.S. Jo K. Joo D. Keller M. Khandaker P. Khetarpal A. Kim W. Kimy A. Klein F.J. Klein V. Kubarovsky S.E. Kuhn S.V. Kuleshov V. Kuznetsov N.D. Kvaltine K. Livingston H.Y. Lu I .J .D. MacGregor N. Markov M. Mayer J. McAndrew B. McKinnon C.A. Meyer A.M. Micherdzinska V. Mokeev B. Moreno H. Moutarde E. Munevar P. Nadel-Turonski A. Ni S. Niccolai G. Niculescu I. Niculescu M. Osipenko A.I. Ostrovidov M. Paolone L. Pappalardo R. Paremuzyan K. Park S. Park E. Pasyuk S. Anefalos Pereira E. Phelps S. Pisano O. Pogorelko S. Pozdniakov J.W. Price S. Procureur Y. Prok D. Protopopescu B.A. Raue G. Ricco D. Rimal M. Ripani G. Rosner F. Sabati\'e M.S. Saini C. Salgado D. Schott R.A. Schumacher E. Seder H. Seraydaryan Y.G. Sharabian G.D. Smith D.I. Sober S.S. Stepanyan S. Stepanyan P. Stoler I. Strakovsky S. Strauch M. Taiuti W. Tang C.E. Taylor S. Tkachenko M. Ungaro H. Voskanyan E. Voutier D. Watts L.B. Weinstein D.P. Weygand M.H. Wood L. Zana J. Zhang B. Zhao Z.W. Zhao

Authors on Pith no claims yet

classification ✦ hep-ex

keywords pionamplitudeasymmetriesneutralsemi-inclusiveacceleratoracceptanceangle

0 comments

read the original abstract

We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons from an unpolarized hydrogen target, using the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility. A substantial $\sin \phi_h$ amplitude has been measured in the distribution of the cross section asymmetry as a function of the azimuthal angle $\phi_h$ of the produced neutral pion. The dependence of this amplitude on Bjorken $x$ and on the pion transverse momentum is extracted with significantly higher precision than previous data and is compared to model calculations.

This paper has not been read by Pith yet.

discussion (0)

Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

Science Requirements and Detector Concepts for the Electron-Ion Collider: EIC Yellow Report
physics.ins-det 2021-03 accept novelty 2.0

The EIC Yellow Report specifies the science goals, required detector capabilities, and technology concepts needed to realize a high-luminosity electron-ion collider program.