Measurement of the nuclear multiplicity ratio for Ks0 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. CarmanL. 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, 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, 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, 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, D. Protopopescu, B. A. Raue, G. Ricco, D. Rimal, M. Ripani, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, H. Seraydaryan, Y. G. Sharabian, G. D. Smith, D. I. Sober, D. Sokhan, 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, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, L. Zana, N. Zachariou, B. Zhao, Z. W. Zhao

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


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 Ks0 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 Ks0 and the transverse momentum squared pT2 of the Ks0. We find that the multiplicity ratios for Ks0 are reduced in the nuclear medium at high z and low pT2, with a trend for the Ks0 transverse momentum to be broadened in the nucleus for large pT2.

Original languageEnglish (US)
Pages (from-to)26-31
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1
StatePublished - Nov 30 2011

Bibliographical note

Funding Information:
We thank the staff of the Accelerator and Physics Divisions at Jefferson Lab for their support. This work was supported in part by the Chilean Comisión Nacional de Investigación Científica y Tecnológica (CONICYT) , the Italian Istituto Nazionale di Fisica Nucleare , the French Centre National de la Recherche Scientifique , the French Commissariat à lʼEnergie Atomique , the U.S. Department of Energy , the National Science Foundation , the UK Science and Technology Facilities Council (STFC) , the Scottish Universities Physics Alliance (SUPA) , and the National Research Foundation of Korea . The Jefferson Science Assosciates (JSA) and Southeastern Universities Research Association (SURA) which operates the Thomas Jefferson National Accelerator Facility for the United States Department of Energy under contract DE-AC05-84ER40150.


  • Deep inelastic scattering
  • Hadron production
  • Hadronization
  • Nuclei
  • Quarks


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