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Measurement of the nuclear multiplicity ratio for $K^0_s$ hadronization at CLAS

A. Daniel K. Hicks W.K. Brooks H. Hakobyan K.P. Adhikari D. Adikaram M. Aghasyan M. Amarian M. Anghinolfi H. Avakian H. Baghdasaryan M. Battaglieri V. Batourine I. Bedlinskiy R.P. Bennett A.S. Biselli C. Bookwalter W.J. Briscoe V.D. Burkert D.S. Carman L. Casey A. Celentano S. Chandavar P.L. Cole M. Contalbrigo V. Crede A. d'Angelo N. Dashyan R. de Vita E. de Sanctis A. Deur B. Dey R. Dickson C. Djalali G.E. Dodge D. Doughty H. Egiyan L. El Fassi L. Elouadrhiri P. Eugenio G. Fedotov S. Fegan M.Y. Gabrielyan N. Gevorgyan G.P. Gilfoyle K.L. Giovanetti F.X. Girod J.T. Goetz W. Gohn E. Golovatch R.W. Gothe K.A. Griffioen M. Guidal 1 L. Guo C. Hanretty D. Heddle M. Holtrop C. E. Hyde Y. Ilieva D.G. Ireland B.S. Ishkhanov E.L. Isupov S.S. Jawalkar H.S. Jo 1 K. Joo N. Kalantarians D. Keller M. Khandaker P. Khetarpal A. Kim W. Kim A. Klein F.J. Klein V. Kubarovsky S.V. Kuleshov V. Kuznetsov H.Y. Lu I.J.D. Macgregor Y. Mao N. Markov M. Mayer J. Mcandrew B. Mckinnon C.A. Meyer T. Mineeva M. Mirazita V. Mokeev H. Moutarde 2 E. Munevar P. Nadel-Turonski A. Ni S. Niccolai 1 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 2 D. Protopopescu B.A. Raue G. Ricco D. Rimal M. Ripani G. Rosner P. Rossi F. Sabatié 2 M.S. Saini C. Salgado D. Schott R.A. Schumacher H. Seraydaryan Y.G. Sharabian G.D. Smith D.I. Sober D. Sokhan 1 S.S. Stepanyan S. Stepanyan S. Strauch M. Taiuti W. Tang C.E. Taylor S. Tkachenko M. Ungaro B. Vernarsky M.F. Vineyard H. Voskanyan E. Voutier 3 D.P. Watts L.B. Weinstein D.P. Weygand M.H. Wood L. Zana N. Zachariou B. Zhao Z.W. Zhao
Abstract : The influence of cold nuclear matter on lepto-production of hadrons in semi-inclusive deep inelastic scattering is measured using the CLAS detector in Hall B at Jefferson Lab and a 5.014 GeV electron beam. We report the $K_s^0$ multiplicity ratios for targets of C, Fe, and Pb relative to deuterium as a function of the fractional virtual photon energy $z$ transferred to the $K_s^0$ and the transverse momentum squared $p_{T}^2$ of the $K_s^0$. We find that the multiplicity ratios for $K^0_s$ are reduced in the nuclear medium at high $z$ and low $p_{T}^2$, with a trend for the $K^0_s$ transverse momentum to be broadened in the nucleus for large $p_{T}^2$.
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A. Daniel, K. Hicks, W.K. Brooks, H. Hakobyan, K.P. Adhikari, et al.. Measurement of the nuclear multiplicity ratio for $K^0_s$ hadronization at CLAS. Physics Letters B, Elsevier, 2011, 706, pp.26-31. ⟨10.1016/j.physletb.2011.10.071⟩. ⟨in2p3-00659813⟩

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