Coherent π0 photoproduction on the deuteron up to 4 GeV

Meekins, D.G.; Abbott, D.J.; Ahmidouch, A.; Armstrong, C.S.; Arrington, J.; Assamagan, K.A.; Baker, O.K.; Barrow, S.P.; Beatty, D.P.; Beck, D.H.; Beedoe, S.Y.; Beise, E.J.; Belz, J.E.; Bochna, C.; Bosted, P.E.; Brash, E.J.; Breuer, H.; Cadman, R.V.; Cardman, L.; Carlini, R.D.; Cha, J.; Chant, N.S.; Collins, G.; Cothran, C.; Cummings, W.J.; Danagoulian, S.; Duncan, F.A.; Dunne, J.A.; Dutta, D.; Eden, T.; Ent, R.; Filippone, B.W.; Forest, T.A.; Fortune, H.T.; Frolov, V.V.; Gao, H.; Geesaman, D.F.; Gilman, R.; Gueye, P.L.J.; Gustafsson, K.K.; Hansen, J.-O.; Harvey, M.; Hinton, W.; Holt, R.J.; Jackson, H.E.; Keppel, C.E.; Khandaker, M.A.; Kinney, E.R.; Klein, A.; Koltenuk, D.M.; Kumbartzki, G.; Lung, A.F.; Mack, D.J.; Madey, R.; Markowitz, P.; McFarlane, K.W.; McKeown, R.D.; Meziani, Z.-E.; Miller, M.A.; Mitchell, J.H.; Mkrtchyan, H.G.; Mohring, R.M.; Napolitano, J.; Nathan, A.M.; Niculescu, G.; Niculescu, I.; O'Neill, T.G.; Owen, B.R.; Pate, S.F.; Potterveld, D.H.; Price, J.W.; Rakness, G.L.; Ransome, D.; Reinhold, J.; Rutt, P.M; Salgado, C.W.; Savage, G.; Segel, R.E.; Simicevic, N.; Stoler, P.; Suleiman, R.; Tang, L.; Terburg, B.P.; van Westrum, D.; Vulcan, W.F.; Williamson, S.E.; Witkowski, M.T.; Wood, S.A.; Yan, C.; Zeidman, B.

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Date

1999-09

Author

Meekins, D.G.

Abbott, D.J.

Ahmidouch, A.

Armstrong, C.S.

Arrington, J.

Assamagan, K.A.

Baker, O.K.

Barrow, S.P.

Beatty, D.P.

Beck, D.H.

Beedoe, S.Y.

Beise, E.J.

Belz, J.E.

Bochna, C.

Bosted, P.E.

Brash, E.J.

Breuer, H.

Cadman, R.V.

Cardman, L.

Carlini, R.D.

Cha, J.

Chant, N.S.

Collins, G.

Cothran, C.

Cummings, W.J.

Danagoulian, S.

Duncan, F.A.

Dunne, J.A.

Dutta, D.

Eden, T.

Ent, R.

Filippone, B.W.

Forest, T.A.

Fortune, H.T.

Frolov, V.V.

Gao, H.

Geesaman, D.F.

Gilman, R.

Gueye, P.L.J.

Gustafsson, K.K.

Hansen, J.-O.

Harvey, M.

Hinton, W.

Holt, R.J.

Jackson, H.E.

Keppel, C.E.

Khandaker, M.A.

Kinney, E.R.

Klein, A.

Koltenuk, D.M.

Kumbartzki, G.

Lung, A.F.

Mack, D.J.

Madey, R.

Markowitz, P.

McFarlane, K.W.

McKeown, R.D.

Meziani, Z.-E.

Miller, M.A.

Mitchell, J.H.

Mkrtchyan, H.G.

Mohring, R.M.

Napolitano, J.

Nathan, A.M.

Niculescu, G.

Niculescu, I.

O'Neill, T.G.

Owen, B.R.

Pate, S.F.

Potterveld, D.H.

Price, J.W.

Rakness, G.L.

Ransome, D.

Reinhold, J.

Rutt, P.M

Salgado, C.W.

Savage, G.

Segel, R.E.

Simicevic, N.

Stoler, P.

Suleiman, R.

Tang, L.

Terburg, B.P.

van Westrum, D.

Vulcan, W.F.

Williamson, S.E.

Witkowski, M.T.

Wood, S.A.

Yan, C.

Zeidman, B.

Citation

D.G. Meekins et al. "Coherent π0 photoproduction on the deuteron up to 4 GeV." Physical Review C 60, no. 5 (1999): 052201(4).

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Abstract

The differential cross section for 2H(γ,d)π0 has been measured at deuteron center-of-mass angles of 90° and 136°. This work reports the first data for this reaction above a photon energy of 1 GeV, and permits a test of the apparent constituent counting rule and reduced nuclear amplitude behavior as observed in elastic ed scattering. Measurements were performed up to a photon energy of 4.0 GeV, and are in good agreement with previous lower energy measurements. Overall, the data are inconsistent with both constituent-counting rule and reduced nuclear amplitude predictions.