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Phys Rev Lett. 2001 Sep 03;87(10):102302. doi: 10.1103/PhysRevLett.87.102302. Epub 2001 Aug 16.

Measurement of the high energy two-body deuteron photodisintegration differential cross section.

Physical review letters

E C Schulte, A Ahmidouch, C S Armstrong, J Arrington, R Asaturyan, S Avery, O K Baker, D H Beck, H P Blok, C W Bochna, W Boeglin, P Y Bosted, M Bouwhuis, H Breuer, D S Brown, A Bruell, R V Cadman, R Carlini, N S Chant, A Cochran, L Cole, S Danagoulian, D B Day, J A Dunne, D Dutta, R Ent, H C Fenker, B Fox, L Gan, H Gao, K Garrow, D Gaskell, A Gasparian, D F Geesaman, R Gilman, C Glashausser, P Gueye, M Harvey, R J Holt, H E Jackson, X Jiang, C E Keppel, E R Kinney, Y Liang, W Lorenzon, A F Lung, D J Mack, P E Markowitz, J Martin, K McIlhany, D McKee, D G Meekins, M A Miller, R G Milner, J H Mitchell, H Mkrtchyan, B A Mueller, A M Nathan, G Niculescu, I Niculescu, T G O'Neill, V Papavassiliou, S F Pate, R B Piercey, D H Potterveld, R D Ransome, J Reinhold, E Rollinde, P Roos, A Saha, A J Sarty, R Sawafta, E Segbefia, T Shin, S Stepanyan, S Strauch, M F Sutter, V Tadevosyan, L Tang, R Tieulent, A Uzzle, W F Vulcan, S A Wood, F Xiong, L Yuan, M Zeier, B Zihlmann, V Ziskin

Affiliations

  1. University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.

PMID: 11531475 DOI: 10.1103/PhysRevLett.87.102302

Abstract

The first measurements of the d(gamma,p)n differential cross section at forward angles and photon energies above 4 GeV were performed at the Thomas Jefferson National Accelerator Facility (JLab). The results indicate evidence of an angular dependent scaling threshold. Results at straight theta(cm) = 37 degrees are consistent with the constituent counting rules for E(gamma) greater, similar 4 GeV, while those at 70 degrees are consistent with the constituent counting rules for E(gamma) greater, similar 1.5 GeV.

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