WFRF:(Chang Kevin)
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Cross section measurements of charged pion photoproduction in hydrogen and deuterium from 1.1 to 5.5 GeV
- Zhu, L Y (author)
- Arrington, J (author)
- Averett, T (author)
- show more...
- Beise, E (author)
- Calarco, J (author)
- Chang, T (author)
- Chen, J P (author)
- Chudakov, E (author)
- Coman, M (author)
- Clasie, B (author)
- Crawford, C (author)
- Dieterich, S (author)
- Dohrmann, F (author)
- Dutta, D (author)
- Frullani, S (author)
- Gao, H (author)
- Gilman, R (author)
- Glashausser, C (author)
- Gomez, J (author)
- Hafidi, K (author)
- Hansen, O (author)
- Higinbotham, D W (author)
- Holt, R J (author)
- de Jager, C W (author)
- Jiang, X (author)
- Kinney, E (author)
- Kramer, K (author)
- Kumbartzki, G (author)
- LeRose, J (author)
- Liyanage, N (author)
- Mack, D (author)
- Markowitz, P (author)
- McCormick, K (author)
- Meekins, D (author)
- Meziani, Z E (author)
- Michaels, R (author)
- Mitchell, J (author)
- Nanda, S (author)
- Potterveld, D (author)
- Ransome, R (author)
- Reimer, P E (author)
- Reitz, B (author)
- Saha, A (author)
- Schulte, E C (author)
- Seely, J (author)
- Sirca, S (author)
- Strauch, S (author)
- Sulkosky, V (author)
- Vlahovic, B (author)
- Weinstein, L B (author)
- Wijesooriya, K (author)
- Williamson, C (author)
- Wojtsekhowski, B (author)
- Xiang, H (author)
- Xiong, F (author)
- Xu, W (author)
- Zeng, J (author)
- Zheng, X (author)
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- (creator_code:org_t)
- 2005
- 2005
- English.
- In: Physical Review C (Nuclear Physics). - 0556-2813. ; 71:4
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The differential cross sections for the gamma n ->pi(-)p and the gamma p ->pi(+)n processes were measured at Jefferson Lab. The photon energies ranged from 1.1 to 5.5 GeV, corresponding to center-of-mass energies from 1.7 to 3.4 GeV. The pion center-of-mass angles varied from 50(degrees) to 110(degrees). The pi(-) and pi(+) photoproduction data both exhibit a global scaling behavior at high energies and high transverse momenta, consistent with the constituent counting rule prediction and the existing pi(+) data. The data suggest possible substructure of the scaling behavior, which might be oscillations around the scaling value. The data show an enhancement in the scaled cross section at center-of-mass energy near 2.2 GeV. The differential cross section ratios [d sigma/dt(gamma n ->pi(-)p)/d sigma/dt(gamma p ->pi(+)n)] at high energies and high transverse momenta can be described by calculations based on one-hard-gluon-exchange diagrams.
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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- Physical Review C (Nuclear Physics) (Search for host publication in LIBRIS)
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- By the author/editor
- Zhu, L Y
- Arrington, J
- Averett, T
- Beise, E
- Calarco, J
- Chang, T
- show more...
- Chen, J P
- Chudakov, E
- Coman, M
- Clasie, B
- Crawford, C
- Dieterich, S
- Dohrmann, F
- Dutta, D
- Fissum, Kevin
- Frullani, S
- Gao, H
- Gilman, R
- Glashausser, C
- Gomez, J
- Hafidi, K
- Hansen, O
- Higinbotham, D W
- Holt, R J
- de Jager, C W
- Jiang, X
- Kinney, E
- Kramer, K
- Kumbartzki, G
- LeRose, J
- Liyanage, N
- Mack, D
- Markowitz, P
- McCormick, K
- Meekins, D
- Meziani, Z E
- Michaels, R
- Mitchell, J
- Nanda, S
- Potterveld, D
- Ransome, R
- Reimer, P E
- Reitz, B
- Saha, A
- Schulte, E C
- Seely, J
- Sirca, S
- Strauch, S
- Sulkosky, V
- Vlahovic, B
- Weinstein, L B
- Wijesooriya, K
- Williamson, C
- Wojtsekhowski, B
- Xiang, H
- Xiong, F
- Xu, W
- Zeng, J
- Zheng, X
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- and Subatomic Physic ...
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- Physical Review ...
- By the university
- Lund University
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