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Polarization measurements in neutral pion photoproduction

Wijesooriya, K (author)
Afanasev, A (author)
Amarian, M (author)
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Aniol, K (author)
Becher, S (author)
Benslama, K (author)
Bimbot, L (author)
Bosted, P (author)
Brash, EJ (author)
Calarco, J (author)
Chai, Z (author)
Chang, CC (author)
Chang, T (author)
Chen, JP (author)
Choi, S (author)
Chudakov, E (author)
Churchwell, S (author)
Crovelli, D (author)
Dieterich, S (author)
Dumalski, S (author)
Dutta, D (author)
Epstein, M (author)
Fissum, Kevin (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Fox, B (author)
Frullani, S (author)
Gao, H (author)
Gao, J (author)
Garibaldi, F (author)
Gayou, O (author)
Gilman, R (author)
Glamazdin, A (author)
Glashausser, C (author)
Gomez, J (author)
Gorbenko, V (author)
Hansen, O (author)
Holt, RJ (author)
Hovdebo, J (author)
Huber, GM (author)
de Jager, CW (author)
Jiang, X (author)
Jones, C (author)
Jones, MK (author)
Kelly, J (author)
Kinney, E (author)
Kooijman, E (author)
Kumbartzki, G (author)
Kuss, M (author)
LeRose, J (author)
Liang, M (author)
Lindgren, R (author)
Liyanage, N (author)
Malov, S (author)
Margaziotis, DJ (author)
Markowitz, P (author)
McCormick, K (author)
Meekins, D (author)
Meziani, ZE (author)
Michaels, R (author)
Mitchell, J (author)
Morand, L (author)
Perdrisat, CF (author)
Pomatsalyuk, R (author)
Punjabi, V (author)
Ransome, RD (author)
Roche, R (author)
Rvachev, M (author)
Saha, A (author)
Sarty, A (author)
Schulte, EC (author)
Simon, D (author)
Strauch, S (author)
Suleiman, R (author)
Todor, L (author)
Ulmer, PE (author)
Urciuoli, GM (author)
Wojtsekhowski, B (author)
Xiong, F (author)
Xu, W (author)
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 (creator_code:org_t)
2002
2002
English.
In: Physical Review C (Nuclear Physics). - 0556-2813. ; 66:3
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We present measurements of the recoil proton polarization for the H-1((γ) over right arrow,(p) over right arrow)pi(0) reaction for theta(c.m.)(pi) = 60degrees-135degrees and for photon energies up to 4.1 GeV. These are the first data in this reaction for polarization transfer with circularly polarized photons. Various theoretical models are compared with the results. No evidence for hadron helicity conservation is observed. Models that employ factorization are not favored. It appears from the strong angular dependence of the induced polarization at photon energies of 2.5 and 3.1 GeV that a relatively high spin resonance or background amplitude might exist in this energy region.

Subject headings

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)

Publication and Content Type

art (subject category)
ref (subject category)

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