Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium

L. Y. Zhu; J. Arrington; T. Averett; E. Beise; J. Calarco; T. Chang; J. P. Chen; E. Chudakov; M. Coman; B. Clasie; C. Crawford; Sonja Dieterich; F. Dohrmann; D. Dutta; K. Fissum; S. Frullani; H. Gao; R. Gilman; C. Glashausser; J. Gomez; K. Hafidi; J. O. Hansen; D. W. Higinbotham; R. J. Holt; C. W. De Jager; X. Jiang; E. Kinney; K. Kramer; G. Kumbartzki; J. LeRose; N. Liyanage; D. Mack; P. Markowitz; K. McCormick; D. Meekins; Z. E. Meziani; R. Michaels; J. Mitchell; S. Nanda; D. Potterveld; R. Ransome; P. E. Reimer; B. Reitz; A. Saha; E. C. Schulte; J. Seely; S. Širca; S. Strauch; V. Sulkosky; B. Vlahovic; L. B. Weinstein; K. Wijesooriya; C. F. Williamson; B. Wojtsekhowski; H. Xiang; F. Xiong; W. Xu; J. Zeng; X. Zheng

Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium

L. Y. Zhu, J. Arrington, T. Averett, E. Beise, J. Calarco, T. Chang, J. P. Chen, E. Chudakov, M. Coman, B. Clasie, C. Crawford, Sonja Dieterich, F. Dohrmann, D. Dutta, K. Fissum, S. Frullani, H. Gao, R. Gilman, C. Glashausser, J. GomezK. Hafidi, J. O. Hansen, D. W. Higinbotham, R. J. Holt, C. W. De Jager, X. Jiang, E. Kinney, K. Kramer, G. Kumbartzki, J. LeRose, N. Liyanage, D. Mack, P. Markowitz, K. McCormick, D. Meekins, Z. E. Meziani, R. Michaels, J. Mitchell, S. Nanda, D. Potterveld, R. Ransome, P. E. Reimer, B. Reitz, A. Saha, E. C. Schulte, J. Seely, S. Širca, S. Strauch, V. Sulkosky, B. Vlahovic, L. B. Weinstein, K. Wijesooriya, C. F. Williamson, B. Wojtsekhowski, H. Xiang, F. Xiong, W. Xu, J. Zeng, X. Zheng

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Abstract

The differential cross section dσ/dt for the photoproduction processes of γn→π^-p and γp→π⁺n at θ_c.m.=90° with photon energies from 1.1 to 5.5 GeV was measured. The data with E_γ≳3.3GeV exhibited a global scaling behavior in both processes, consistent with the constituent counting rule. Furthermore, the scaled cross section data showed an enhancement at a center-of-mass energy near 2.2 GeV and the exact nature of such a structure requires further investigation.

Original language	English (US)
Journal	Physical Review Letters
Volume	91
Issue number	2
State	Published - Jul 11 2003
Externally published	Yes

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Physics and Astronomy(all)

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Zhu, L. Y., Arrington, J., Averett, T., Beise, E., Calarco, J., Chang, T., Chen, J. P., Chudakov, E., Coman, M., Clasie, B., Crawford, C., Dieterich, S., Dohrmann, F., Dutta, D., Fissum, K., Frullani, S., Gao, H., Gilman, R., Glashausser, C., ... Zheng, X. (2003). Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium. Physical Review Letters, 91(2).

Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium. / Zhu, L. Y.; Arrington, J.; Averett, T.; Beise, E.; Calarco, J.; Chang, T.; Chen, J. P.; Chudakov, E.; Coman, M.; Clasie, B.; Crawford, C.; Dieterich, Sonja; Dohrmann, F.; Dutta, D.; Fissum, K.; Frullani, S.; Gao, H.; Gilman, R.; Glashausser, C.; Gomez, J.; Hafidi, K.; Hansen, J. 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.; Širca, S.; Strauch, S.; Sulkosky, V.; Vlahovic, B.; Weinstein, L. B.; Wijesooriya, K.; Williamson, C. F.; Wojtsekhowski, B.; Xiang, H.; Xiong, F.; Xu, W.; Zeng, J.; Zheng, X.

In: Physical Review Letters, Vol. 91, No. 2, 11.07.2003.

Research output: Contribution to journal › Article

Zhu, LY, Arrington, J, Averett, T, Beise, E, Calarco, J, Chang, T, Chen, JP, Chudakov, E, Coman, M, Clasie, B, Crawford, C, Dieterich, S, Dohrmann, F, Dutta, D, Fissum, K, Frullani, S, Gao, H, Gilman, R, Glashausser, C, Gomez, J, Hafidi, K, Hansen, JO, Higinbotham, DW, Holt, RJ, De Jager, CW, Jiang, X, Kinney, E, Kramer, K, Kumbartzki, G, LeRose, J, Liyanage, N, Mack, D, Markowitz, P, McCormick, K, Meekins, D, Meziani, ZE, Michaels, R, Mitchell, J, Nanda, S, Potterveld, D, Ransome, R, Reimer, PE, Reitz, B, Saha, A, Schulte, EC, Seely, J, Širca, S, Strauch, S, Sulkosky, V, Vlahovic, B, Weinstein, LB, Wijesooriya, K, Williamson, CF, Wojtsekhowski, B, Xiang, H, Xiong, F, Xu, W, Zeng, J & Zheng, X 2003, 'Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium', Physical Review Letters, vol. 91, no. 2.

Zhu, L. Y. ; Arrington, J. ; Averett, T. ; Beise, E. ; Calarco, J. ; Chang, T. ; Chen, J. P. ; Chudakov, E. ; Coman, M. ; Clasie, B. ; Crawford, C. ; Dieterich, Sonja ; Dohrmann, F. ; Dutta, D. ; Fissum, K. ; Frullani, S. ; Gao, H. ; Gilman, R. ; Glashausser, C. ; Gomez, J. ; Hafidi, K. ; Hansen, J. 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. ; Širca, S. ; Strauch, S. ; Sulkosky, V. ; Vlahovic, B. ; Weinstein, L. B. ; Wijesooriya, K. ; Williamson, C. F. ; Wojtsekhowski, B. ; Xiang, H. ; Xiong, F. ; Xu, W. ; Zeng, J. ; Zheng, X. / Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium. In: Physical Review Letters. 2003 ; Vol. 91, No. 2.

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title = "Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium",

abstract = "The differential cross section dσ/dt for the photoproduction processes of γn→π-p and γp→π+n at θc.m.=90° with photon energies from 1.1 to 5.5 GeV was measured. The data with Eγ≳3.3GeV exhibited a global scaling behavior in both processes, consistent with the constituent counting rule. Furthermore, the scaled cross section data showed an enhancement at a center-of-mass energy near 2.2 GeV and the exact nature of such a structure requires further investigation.",

author = "Zhu, {L. Y.} and J. Arrington and T. Averett and E. Beise and J. Calarco and T. Chang and Chen, {J. P.} and E. Chudakov and M. Coman and B. Clasie and C. Crawford and Sonja Dieterich and F. Dohrmann and D. Dutta and K. Fissum and S. Frullani and H. Gao and R. Gilman and C. Glashausser and J. Gomez and K. Hafidi and Hansen, {J. O.} and Higinbotham, {D. W.} and Holt, {R. J.} and {De Jager}, {C. W.} and X. Jiang and E. Kinney and K. Kramer and G. Kumbartzki and J. LeRose and N. Liyanage and D. Mack and P. Markowitz and K. McCormick and D. Meekins and Meziani, {Z. E.} and R. Michaels and J. Mitchell and S. Nanda and D. Potterveld and R. Ransome and Reimer, {P. E.} and B. Reitz and A. Saha and Schulte, {E. C.} and J. Seely and S. {\v S}irca and S. Strauch and V. Sulkosky and B. Vlahovic and Weinstein, {L. B.} and K. Wijesooriya and Williamson, {C. F.} and B. Wojtsekhowski and H. Xiang and F. Xiong and W. Xu and J. Zeng and X. Zheng",

year = "2003",

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T1 - Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium

AU - Zhu, L. Y.

AU - Arrington, J.

AU - Averett, T.

AU - Beise, E.

AU - Calarco, J.

AU - Chang, T.

AU - Chen, J. P.

AU - Chudakov, E.

AU - Coman, M.

AU - Clasie, B.

AU - Crawford, C.

AU - Dieterich, Sonja

AU - Dohrmann, F.

AU - Dutta, D.

AU - Fissum, K.

AU - Frullani, S.

AU - Gao, H.

AU - Gilman, R.

AU - Glashausser, C.

AU - Gomez, J.

AU - Hafidi, K.

AU - Hansen, J. O.

AU - Higinbotham, D. W.

AU - Holt, R. J.

AU - De Jager, C. W.

AU - Jiang, X.

AU - Kinney, E.

AU - Kramer, K.

AU - Kumbartzki, G.

AU - LeRose, J.

AU - Liyanage, N.

AU - Mack, D.

AU - Markowitz, P.

AU - McCormick, K.

AU - Meekins, D.

AU - Meziani, Z. E.

AU - Michaels, R.

AU - Mitchell, J.

AU - Nanda, S.

AU - Potterveld, D.

AU - Ransome, R.

AU - Reimer, P. E.

AU - Reitz, B.

AU - Saha, A.

AU - Schulte, E. C.

AU - Seely, J.

AU - Širca, S.

AU - Strauch, S.

AU - Sulkosky, V.

AU - Vlahovic, B.

AU - Weinstein, L. B.

AU - Wijesooriya, K.

AU - Williamson, C. F.

AU - Wojtsekhowski, B.

AU - Xiang, H.

AU - Xiong, F.

AU - Xu, W.

AU - Zeng, J.

AU - Zheng, X.

PY - 2003/7/11

Y1 - 2003/7/11

N2 - The differential cross section dσ/dt for the photoproduction processes of γn→π-p and γp→π+n at θc.m.=90° with photon energies from 1.1 to 5.5 GeV was measured. The data with Eγ≳3.3GeV exhibited a global scaling behavior in both processes, consistent with the constituent counting rule. Furthermore, the scaled cross section data showed an enhancement at a center-of-mass energy near 2.2 GeV and the exact nature of such a structure requires further investigation.

AB - The differential cross section dσ/dt for the photoproduction processes of γn→π-p and γp→π+n at θc.m.=90° with photon energies from 1.1 to 5.5 GeV was measured. The data with Eγ≳3.3GeV exhibited a global scaling behavior in both processes, consistent with the constituent counting rule. Furthermore, the scaled cross section data showed an enhancement at a center-of-mass energy near 2.2 GeV and the exact nature of such a structure requires further investigation.

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VL - 91

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 2

ER -

Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium

Abstract

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