The extraction of ϕ - N total cross section from d (γ, p K+ K-) n

X. Qian, W. Chen, H. Gao, K. Hicks, K. Kramer, J. M. Laget, T. Mibe, S. Stepanyan, D. J. Tedeschi, W. Xu, K. P. Adhikari, M. Amaryan, M. Anghinolfi, H. Baghdasaryan, J. Ball, M. Battaglieri, V. Batourine, I. Bedlinskiy, M. Bellis, A. S. BiselliC. Bookwalter, D. Branford, W. J. Briscoe, W. K. Brooks, V. D. Burkert, S. L. Careccia, D. S. Carman, P. L. Cole, P. Collins, V. Crede, A. D'Angelo, A. Daniel, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, B. Dey, S. Dhamija, R. Dickson, C. Djalali, G. E. Dodge, D. Doughty, R. Dupre, P. Eugenio, G. Fedotov, S. Fegan, R. Fersch, A. Fradi, M. Y. Gabrielyan, G. P. Gilfoyle

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20 Scopus citations


We report on the first measurement of the differential cross section of φ{symbol}-meson photoproduction for the d (γ, p K+ K-) n exclusive reaction channel. The experiment was performed using a tagged-photon beam and the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. A combined analysis using data from the d (γ, p K+ K-) n channel and those from a previous publication on coherent φ{symbol} production on the deuteron has been carried out to extract the φ{symbol} - N total cross section, σφ{symbol} N. The extracted φ{symbol} - N total cross section favors a value above 20 mb. This value is larger than the value extracted using vector-meson dominance models for φ{symbol} photoproduction on the proton.

Original languageEnglish (US)
Pages (from-to)417-422
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number5
StatePublished - Oct 12 2009

Bibliographical note

Funding Information:
We thank Misak Sargsian and Mark Strikman for helpful conversations. We acknowledge the outstanding efforts of the staff of the Accelerator and Physics Divisions at Jefferson Lab who made this experiment possible. This work was supported in part by the US Department of Energy under contract number DE-FG02-03ER41231 , the National Science Foundation , the Istituto Nazionale di Fisica Nucleare , the French Centre National de la Recherche Scientifique , the French Commissariat à l'Energie Atomique , the US Department of Energy , the National Science Foundation , the UK Science and Technology Facilities Council (STFC) , and the Korean Science and Engineering Foundation . The Southeastern Universities Research Association (SURA) operates the Thomas Jefferson National Accelerator Facility for the United States Department of Energy under contract DE-AC05-84ER40150.


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