Search: onr:"swepub:oai:lup.lub.lu.se:446596db-5f8f-463e-9d52-457f48f04f9e" >
Precision Measureme...
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Chirapatpimol, K
(author)
Precision Measurement of the p(e,e′p)π0 Reaction at Threshold
- Article/chapterEnglish2015
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LIBRIS-ID:oai:lup.lub.lu.se:446596db-5f8f-463e-9d52-457f48f04f9e
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https://lup.lub.lu.se/record/5436259URI
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https://doi.org/10.1103/PhysRevLett.114.192503DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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New results are reported from a measurement of π^{0} electroproduction near threshold using the p(e,e^{'}p)π^{0} reaction. The experiment was designed to determine precisely the energy dependence of s- and p-wave electromagnetic multipoles as a stringent test of the predictions of chiral perturbation theory (ChPT). The data were taken with an electron beam energy of 1192 MeV using a two-spectrometer setup in Hall A at Jefferson Lab. For the first time, complete coverage of the ϕ_{π}^{*} and θ_{π}^{*} angles in the pπ^{0} center of mass was obtained for invariant energies above threshold from 0.5 up to 15 MeV. The 4-momentum transfer Q^{2} coverage ranges from 0.05 to 0.155 (GeV/c)^{2} in fine steps. A simple phenomenological analysis of our data shows strong disagreement with p-wave predictions from ChPT for Q^{2}>0.07 (GeV/c)^{2}, while the s-wave predictions are in reasonable agreement.
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Shabestari, M H
(author)
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Lindgren, R A
(author)
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Smith, L C
(author)
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Annand, J R M
(author)
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Higinbotham, D W
(author)
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Moffit, B
(author)
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Nelyubin, V
(author)
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Norum, B E
(author)
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Allada, K
(author)
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Aniol, K
(author)
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Ardashev, K
(author)
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Armstrong, D S
(author)
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Arndt, R A
(author)
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Benmokhtar, F
(author)
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Bernstein, A M
(author)
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Bertozzi, W
(author)
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Briscoe, W J
(author)
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Bimbot, L
(author)
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Camsonne, A
(author)
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Chen, J-P
(author)
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Choi, S
(author)
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Chudakov, E
(author)
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Cisbani, E
(author)
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Cusanno, F
(author)
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Dalton, M M
(author)
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Dutta, C
(author)
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Egiyan, K
(author)
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Fernàndez-Ramìrez, C
(author)
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Feuerbach, R
(author)
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Fissum, KevinLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)nucl-kfi
(author)
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Frullani, S
(author)
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Garibaldi, F
(author)
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Gayou, O
(author)
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Gilman, R
(author)
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Gilad, S
(author)
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Goity, J
(author)
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Gomez, J
(author)
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Hahn, B
(author)
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Hamilton, D
(author)
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Hansen, J-O
(author)
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Huang, J
(author)
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Igarashi, R
(author)
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Ireland, D
(author)
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de Jager, C W
(author)
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Jin, X
(author)
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Jiang, X
(author)
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Jinasundera, T
(author)
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Kellie, J
(author)
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Keppel, C E
(author)
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Kolb, N
(author)
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LeRose, J
(author)
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Liyanage, N
(author)
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Livingston, K
(author)
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McNulty, D
(author)
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Mercado, L
(author)
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Michaels, R
(author)
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Mihovilovič, M
(author)
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Qian, S
(author)
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Qian, X
(author)
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Mailyan, S
(author)
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Mamyan, V
(author)
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Marrone, S
(author)
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Monaghan, P
(author)
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Nanda, S
(author)
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Perdrisat, C F
(author)
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Piasetzky, E
(author)
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Protopopescu, D
(author)
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Punjabi, V
(author)
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Qiang, Y
(author)
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Rachek, I A
(author)
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Rakhman, A
(author)
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Riordan, S
(author)
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Ron, G
(author)
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Rosner, G
(author)
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Saha, A
(author)
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Sawatzky, B
(author)
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Shahinyan, A
(author)
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Širca, S
(author)
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Sparveris, N
(author)
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Subedi, R R
(author)
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Suleiman, R
(author)
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Strakovsky, I
(author)
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Sulkosky, V
(author)
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Moinelo, J
(author)
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Voskanyan, H
(author)
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Wang, K
(author)
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Wang, Y
(author)
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Watson, J
(author)
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Watts, D
(author)
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Wojtsekhowski, B
(author)
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Workman, R L
(author)
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Yao, H
(author)
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Zhan, X
(author)
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Zhang, Y
(author)
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KärnfysikFysiska institutionen
(creator_code:org_t)
Related titles
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In:Physical Review Letters114:191079-7114
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- By the author/editor
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Chirapatpimol, K
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Shabestari, M H
-
Lindgren, R A
-
Smith, L C
-
Annand, J R M
-
Higinbotham, D W
-
show more...
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Moffit, B
-
Nelyubin, V
-
Norum, B E
-
Allada, K
-
Aniol, K
-
Ardashev, K
-
Armstrong, D S
-
Arndt, R A
-
Benmokhtar, F
-
Bernstein, A M
-
Bertozzi, W
-
Briscoe, W J
-
Bimbot, L
-
Camsonne, A
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Chen, J-P
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Choi, S
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Chudakov, E
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Cisbani, E
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Cusanno, F
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Dalton, M M
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Dutta, C
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Egiyan, K
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Fernàndez-Ramìre ...
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Feuerbach, R
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Fissum, Kevin
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Frullani, S
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Garibaldi, F
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Gayou, O
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Gilman, R
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Gilad, S
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Goity, J
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Gomez, J
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Hahn, B
-
Hamilton, D
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Hansen, J-O
-
Huang, J
-
Igarashi, R
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Ireland, D
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de Jager, C W
-
Jin, X
-
Jiang, X
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Jinasundera, T
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Kellie, J
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Keppel, C E
-
Kolb, N
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LeRose, J
-
Liyanage, N
-
Livingston, K
-
McNulty, D
-
Mercado, L
-
Michaels, R
-
Mihovilovič, M
-
Qian, S
-
Qian, X
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Mailyan, S
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Mamyan, V
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Marrone, S
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Monaghan, P
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Nanda, S
-
Perdrisat, C F
-
Piasetzky, E
-
Protopopescu, D
-
Punjabi, V
-
Qiang, Y
-
Rachek, I A
-
Rakhman, A
-
Riordan, S
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Ron, G
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Rosner, G
-
Saha, A
-
Sawatzky, B
-
Shahinyan, A
-
Širca, S
-
Sparveris, N
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Subedi, R R
-
Suleiman, R
-
Strakovsky, I
-
Sulkosky, V
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Moinelo, J
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Voskanyan, H
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Wang, K
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Wang, Y
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Watson, J
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Watts, D
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Wojtsekhowski, B
-
Workman, R L
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Yao, H
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Zhan, X
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Zhang, Y
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