Differential cross section measurements for γn→π-p above the first nucleon resonance region
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Journal ArticleDate
2017-09-18Author
Mattione, PTCarman, DS
Strakovsky, II
Workman, RL
Kudryavtsev, AE
Svarc, A
Tarasov, VE
Adhikari, KP
Adhikari, S
Adikaram, D
Akbar, Z
Anefalos Pereira, S
Ball, J
Baltzell, NA
Bashkanov, M
Battaglieri, M
Batourine, V
Bedlinskiy, I
Biselli, AS
Boiarinov, S
Briscoe, WJ
Burkert, VD
Cao, T
Celentano, A
Charles, G
Chetry, T
Ciullo, G
Clark, L
Cole, PL
Contalbrigo, M
Cortes, O
Crede, V
D'Angelo, A
Dashyan, N
De Vita, R
De Sanctis, E
Defurne, M
Deur, A
Djalali, C
Dugger, M
Dupre, R
Egiyan, H
El Alaoui, A
El Fassi, L
Eugenio, P
Fedotov, G
Fersch, R
Filippi, A
Fleming, JA
Fradi, A
Ghandilyan, Y
Gilfoyle, GP
Giovanetti, KL
Girod, FX
Gleason, C
Golovatch, E
Gothe, RW
Griffioen, KA
Guidal, M
Hafidi, K
Hakobyan, H
Hanretty, C
Harrison, N
Hattawy, M
Heddle, D
Hicks, K
Hollis, G
Holtrop, M
Hughes, SM
Ilieva, Y
Ireland, DG
Ishkhanov, BS
Isupov, EL
Jenkins, D
Jiang, H
Jo, HS
Joo, K
Joosten, S
Keller, D
Khachatryan, G
Khachatryan, M
Khandaker, M
Kim, A
Kim, W
Klein, A
Klein, FJ
Kubarovsky, V
Kuleshov, SV
Lanza, L
Lenisa, P
Livingston, K
MacGregor, IJD
Markov, N
McKinnon, B
Meyer, CA
Meziani, ZE
Mineeva, T
Mokeev, V
Montgomery, RA
Movsisyan, A
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http://hdl.handle.net/20.500.12613/5676
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10.1103/PhysRevC.96.035204Abstract
© 2017 American Physical Society. The quasifree γd→π-p(p) differential cross section has been measured with CLAS at photon beam energies Eγ from 0.445 to 2.510 GeV (corresponding to W from 1.311 to 2.366 GeV) for pion center-of-mass angles cosθπc.m. from -0.72 to 0.92. A correction for final state interactions has been applied to these data to extract the γn→π-p differential cross sections. These cross sections are quoted in 8428 (Eγ,cosθπc.m.) bins, a factor of nearly 3 increase in the world statistics for this channel in this kinematic range. These new data help to constrain coupled-channel analysis fits used to disentangle the spectrum of N∗ resonances and extract their properties. Selected photon decay amplitudes N∗→γn at the resonance poles are determined for the first time and are reported here.Citation to related work
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http://dx.doi.org/10.34944/dspace/5658