Constraints on the nucleon strange form factors at Q2 ∼ 0.1  GeV2

K. A. Aniol; D. S. Armstrong; T. Averett; H. Benaoum; P. Y. Bertin; E. Burtin; J. Cahoon; G. D. Cates; C. C. Chang; Y. C. Chao; J. P. Chen; Seonho Choi; E. Chudakov; B. Craver; F. Cusanno; P. Decowski; D. Deepa; C. Ferdi; R. J. Feuerbach; J. M. Finn; S. Frullani; K. Fuoti; F. Garibaldi; R. Gilman; A. Glamazdin; V. Gorbenko; J. M. Grames; J. Hansknecht; D. W. Higinbotham; R. Holmes; T. Holmstrom; T. B. Humensky; H. Ibrahim; C. W. de Jager; X. Jiang; L. J. Kaufman; A. Kelleher; A. Kolarkar; S. Kowalski; K. S. Kumar; D. Lambert; P. LaViolette; J. LeRose; D. Lhuillier; N. Liyanage; D. J. Margaziotis; M. Mazouz; K. McCormick; D. G. Meekins; Z. E. Meziani; R. Michaels; B. Moffit; P. Monaghan; C. Munoz-Camacho; S. Nanda; V. Nelyubin; D. Neyret; K. D. Paschke; M. Poelker; R. Pomatsalyuk; Y. Qiang; B. Reitz; J. Roche; A. Saha; J. Singh; R. Snyder; P. A. Souder; M. Stutzman; R. Subedi; R. Suleiman; V. Sulkosky; W. A. Tobias; G. M. Urciuoli; A. Vacheret; E. Voutier; K. Wang; R. Wilson; B. Wojtsekhowski; X. Zheng

doi:10.1016/j.physletb.2006.03.011

Constraints on the nucleon strange form factors at Q² ∼ 0.1 GeV²

K. A. Aniol, D. S. Armstrong, T. Averett, H. Benaoum, P. Y. Bertin, E. Burtin, J. Cahoon, G. D. Cates, C. C. Chang, Y. C. Chao, J. P. Chen, Seonho Choi, E. Chudakov, B. Craver, F. Cusanno, P. Decowski, D. Deepa, C. Ferdi, R. J. Feuerbach, J. M. FinnS. Frullani, K. Fuoti, F. Garibaldi, R. Gilman, A. Glamazdin, V. Gorbenko, J. M. Grames, J. Hansknecht, D. W. Higinbotham, R. Holmes, T. Holmstrom, T. B. Humensky, H. Ibrahim, C. W. de Jager, X. Jiang, L. J. Kaufman, A. Kelleher, A. Kolarkar, S. Kowalski, K. S. Kumar, D. Lambert, P. LaViolette, J. LeRose, D. Lhuillier, N. Liyanage, D. J. Margaziotis, M. Mazouz, K. McCormick, D. G. Meekins, Z. E. Meziani, R. Michaels, B. Moffit, P. Monaghan, C. Munoz-Camacho, S. Nanda, V. Nelyubin, D. Neyret, K. D. Paschke, M. Poelker, R. Pomatsalyuk, Y. Qiang, B. Reitz, J. Roche, A. Saha, J. Singh, R. Snyder, P. A. Souder, M. Stutzman, R. Subedi, R. Suleiman, V. Sulkosky, W. A. Tobias, G. M. Urciuoli, A. Vacheret, E. Voutier, K. Wang, R. Wilson, B. Wojtsekhowski, X. Zheng

Department of Physics

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141 Scopus citations

Abstract

We report the most precise measurement to date of a parity-violating asymmetry in elastic electron-proton scattering. The measurement was carried out with a beam energy of 3.03 GeV and a scattering angle 〈 θ_lab 〉 = 6.0^○, with the result A_PV = ( - 1.14 ± 0.24 ( stat ) ± 0.06 ( syst ) ) × 10^-6. From this we extract, at Q² = 0.099 GeV², the strange form factor combination {Mathematical expression} where the first two errors are experimental and the last error is due to the uncertainty in the neutron electromagnetic form factor. This result significantly improves current knowledge of G_E^s and G_M^s at Q² ∼ 0.1 GeV². A consistent picture emerges when several measurements at about the same Q² value are combined: G_E^s is consistent with zero while positive values are favored for G_M^s, though G_E^s = G_M^s = 0 is compatible with the data at 95% C.L.

Original language	English (US)
Pages (from-to)	275-279
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	635
Issue number	5-6
DOIs	https://doi.org/10.1016/j.physletb.2006.03.011
State	Published - Apr 20 2006

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2006.03.011

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Aniol, K. A., Armstrong, D. S., Averett, T., Benaoum, H., Bertin, P. Y., Burtin, E., Cahoon, J., Cates, G. D., Chang, C. C., Chao, Y. C., Chen, J. P., Choi, S., Chudakov, E., Craver, B., Cusanno, F., Decowski, P., Deepa, D., Ferdi, C., Feuerbach, R. J., ... Zheng, X. (2006). Constraints on the nucleon strange form factors at Q² ∼ 0.1 GeV². Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 635(5-6), 275-279. https://doi.org/10.1016/j.physletb.2006.03.011

Aniol, KA, Armstrong, DS, Averett, T, Benaoum, H, Bertin, PY, Burtin, E, Cahoon, J, Cates, GD, Chang, CC, Chao, YC, Chen, JP, Choi, S, Chudakov, E, Craver, B, Cusanno, F, Decowski, P, Deepa, D, Ferdi, C, Feuerbach, RJ, Finn, JM, Frullani, S, Fuoti, K, Garibaldi, F, Gilman, R, Glamazdin, A, Gorbenko, V, Grames, JM, Hansknecht, J, Higinbotham, DW, Holmes, R, Holmstrom, T, Humensky, TB, Ibrahim, H, de Jager, CW, Jiang, X, Kaufman, LJ, Kelleher, A, Kolarkar, A, Kowalski, S, Kumar, KS, Lambert, D, LaViolette, P, LeRose, J, Lhuillier, D, Liyanage, N, Margaziotis, DJ, Mazouz, M, McCormick, K, Meekins, DG, Meziani, ZE, Michaels, R, Moffit, B, Monaghan, P, Munoz-Camacho, C, Nanda, S, Nelyubin, V, Neyret, D, Paschke, KD, Poelker, M, Pomatsalyuk, R, Qiang, Y, Reitz, B, Roche, J, Saha, A, Singh, J, Snyder, R, Souder, PA, Stutzman, M, Subedi, R, Suleiman, R, Sulkosky, V, Tobias, WA, Urciuoli, GM, Vacheret, A, Voutier, E, Wang, K, Wilson, R, Wojtsekhowski, B & Zheng, X 2006, 'Constraints on the nucleon strange form factors at Q² ∼ 0.1 GeV²', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 635, no. 5-6, pp. 275-279. https://doi.org/10.1016/j.physletb.2006.03.011

@article{40942e0fa48c4c8e9a4e7e587f7460f0,

title = "Constraints on the nucleon strange form factors at Q2 ∼ 0.1 GeV2",

abstract = "We report the most precise measurement to date of a parity-violating asymmetry in elastic electron-proton scattering. The measurement was carried out with a beam energy of 3.03 GeV and a scattering angle 〈 θlab 〉 = 6.0○, with the result APV = ( - 1.14 ± 0.24 ( stat ) ± 0.06 ( syst ) ) × 10-6. From this we extract, at Q2 = 0.099 GeV2, the strange form factor combination {Mathematical expression} where the first two errors are experimental and the last error is due to the uncertainty in the neutron electromagnetic form factor. This result significantly improves current knowledge of GEs and GMs at Q2 ∼ 0.1 GeV2. A consistent picture emerges when several measurements at about the same Q2 value are combined: GEs is consistent with zero while positive values are favored for GMs, though GEs = GMs = 0 is compatible with the data at 95% C.L.",

author = "Aniol, {K. A.} and Armstrong, {D. S.} and T. Averett and H. Benaoum and Bertin, {P. Y.} and E. Burtin and J. Cahoon and Cates, {G. D.} and Chang, {C. C.} and Chao, {Y. C.} and Chen, {J. P.} and Seonho Choi and E. Chudakov and B. Craver and F. Cusanno and P. Decowski and D. Deepa and C. Ferdi and Feuerbach, {R. J.} and Finn, {J. M.} and S. Frullani and K. Fuoti and F. Garibaldi and R. Gilman and A. Glamazdin and V. Gorbenko and Grames, {J. M.} and J. Hansknecht and Higinbotham, {D. W.} and R. Holmes and T. Holmstrom and Humensky, {T. B.} and H. Ibrahim and {de Jager}, {C. W.} and X. Jiang and Kaufman, {L. J.} and A. Kelleher and A. Kolarkar and S. Kowalski and Kumar, {K. S.} and D. Lambert and P. LaViolette and J. LeRose and D. Lhuillier and N. Liyanage and Margaziotis, {D. J.} and M. Mazouz and K. McCormick and Meekins, {D. G.} and Meziani, {Z. E.} and R. Michaels and B. Moffit and P. Monaghan and C. Munoz-Camacho and S. Nanda and V. Nelyubin and D. Neyret and Paschke, {K. D.} and M. Poelker and R. Pomatsalyuk and Y. Qiang and B. Reitz and J. Roche and A. Saha and J. Singh and R. Snyder and Souder, {P. A.} and M. Stutzman and R. Subedi and R. Suleiman and V. Sulkosky and Tobias, {W. A.} and Urciuoli, {G. M.} and A. Vacheret and E. Voutier and K. Wang and R. Wilson and B. Wojtsekhowski and X. Zheng",

note = "Funding Information: We wish to thank the entire staff of JLab for their efforts to develop and maintain the polarized beam and the experimental apparatus. This work was supported by DOE contract DE-AC05-84ER40150 Modification No. M175, under which the Southeastern Universities Research Association (SURA) operates JLab, and by the Department of Energy, the National Science Foundation, the INFN (Italy), and the Commissariat {\`a} l'{\'E}nergie Atomique (France).",

year = "2006",

month = apr,

day = "20",

doi = "10.1016/j.physletb.2006.03.011",

language = "English (US)",

volume = "635",

pages = "275--279",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "5-6",

}

TY - JOUR

T1 - Constraints on the nucleon strange form factors at Q2 ∼ 0.1 GeV2

AU - Aniol, K. A.

AU - Armstrong, D. S.

AU - Averett, T.

AU - Benaoum, H.

AU - Bertin, P. Y.

AU - Burtin, E.

AU - Cahoon, J.

AU - Cates, G. D.

AU - Chang, C. C.

AU - Chao, Y. C.

AU - Chen, J. P.

AU - Choi, Seonho

AU - Chudakov, E.

AU - Craver, B.

AU - Cusanno, F.

AU - Decowski, P.

AU - Deepa, D.

AU - Ferdi, C.

AU - Feuerbach, R. J.

AU - Finn, J. M.

AU - Frullani, S.

AU - Fuoti, K.

AU - Garibaldi, F.

AU - Gilman, R.

AU - Glamazdin, A.

AU - Gorbenko, V.

AU - Grames, J. M.

AU - Hansknecht, J.

AU - Higinbotham, D. W.

AU - Holmes, R.

AU - Holmstrom, T.

AU - Humensky, T. B.

AU - Ibrahim, H.

AU - de Jager, C. W.

AU - Jiang, X.

AU - Kaufman, L. J.

AU - Kelleher, A.

AU - Kolarkar, A.

AU - Kowalski, S.

AU - Kumar, K. S.

AU - Lambert, D.

AU - LaViolette, P.

AU - LeRose, J.

AU - Lhuillier, D.

AU - Liyanage, N.

AU - Margaziotis, D. J.

AU - Mazouz, M.

AU - McCormick, K.

AU - Meekins, D. G.

AU - Meziani, Z. E.

AU - Michaels, R.

AU - Moffit, B.

AU - Monaghan, P.

AU - Munoz-Camacho, C.

AU - Nanda, S.

AU - Nelyubin, V.

AU - Neyret, D.

AU - Paschke, K. D.

AU - Poelker, M.

AU - Pomatsalyuk, R.

AU - Qiang, Y.

AU - Reitz, B.

AU - Roche, J.

AU - Saha, A.

AU - Singh, J.

AU - Snyder, R.

AU - Souder, P. A.

AU - Stutzman, M.

AU - Subedi, R.

AU - Suleiman, R.

AU - Sulkosky, V.

AU - Tobias, W. A.

AU - Urciuoli, G. M.

AU - Vacheret, A.

AU - Voutier, E.

AU - Wang, K.

AU - Wilson, R.

AU - Wojtsekhowski, B.

AU - Zheng, X.

N1 - Funding Information: We wish to thank the entire staff of JLab for their efforts to develop and maintain the polarized beam and the experimental apparatus. This work was supported by DOE contract DE-AC05-84ER40150 Modification No. M175, under which the Southeastern Universities Research Association (SURA) operates JLab, and by the Department of Energy, the National Science Foundation, the INFN (Italy), and the Commissariat à l'Énergie Atomique (France).

PY - 2006/4/20

Y1 - 2006/4/20

N2 - We report the most precise measurement to date of a parity-violating asymmetry in elastic electron-proton scattering. The measurement was carried out with a beam energy of 3.03 GeV and a scattering angle 〈 θlab 〉 = 6.0○, with the result APV = ( - 1.14 ± 0.24 ( stat ) ± 0.06 ( syst ) ) × 10-6. From this we extract, at Q2 = 0.099 GeV2, the strange form factor combination {Mathematical expression} where the first two errors are experimental and the last error is due to the uncertainty in the neutron electromagnetic form factor. This result significantly improves current knowledge of GEs and GMs at Q2 ∼ 0.1 GeV2. A consistent picture emerges when several measurements at about the same Q2 value are combined: GEs is consistent with zero while positive values are favored for GMs, though GEs = GMs = 0 is compatible with the data at 95% C.L.

AB - We report the most precise measurement to date of a parity-violating asymmetry in elastic electron-proton scattering. The measurement was carried out with a beam energy of 3.03 GeV and a scattering angle 〈 θlab 〉 = 6.0○, with the result APV = ( - 1.14 ± 0.24 ( stat ) ± 0.06 ( syst ) ) × 10-6. From this we extract, at Q2 = 0.099 GeV2, the strange form factor combination {Mathematical expression} where the first two errors are experimental and the last error is due to the uncertainty in the neutron electromagnetic form factor. This result significantly improves current knowledge of GEs and GMs at Q2 ∼ 0.1 GeV2. A consistent picture emerges when several measurements at about the same Q2 value are combined: GEs is consistent with zero while positive values are favored for GMs, though GEs = GMs = 0 is compatible with the data at 95% C.L.

UR - http://www.scopus.com/inward/record.url?scp=33645863769&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33645863769&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2006.03.011

DO - 10.1016/j.physletb.2006.03.011

M3 - Article

AN - SCOPUS:33645863769

SN - 0370-2693

VL - 635

SP - 275

EP - 279

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 5-6

ER -

Constraints on the nucleon strange form factors at Q² ∼ 0.1 GeV²

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