Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region

J Ahrens; S Altieri; JRM Annand; G Anton; HJ Arends; K Aulenbacher; R Beck; C Bradtke; A Braghieri; N Degrande; N D'Hose; H Dutz; S Goertz; P Grabmayr; Kurt Hansen; J Harmsen; D von Harrach; S Hasegawa; T Hasegawa; E Heid; K Helbing; H Holvoet; L Van Hoorebeke; N Horikawa; T Iwata; O Jahn; P Jennewein; T Kageya; B Kiel; F Klein; R Kondratiev; K Kossert; J Krimmer; M Lang; B Lannoy; R Leukel; V Lisin; T Matsuda; JC McGeorge; A Meier; D Menze; W Meyer; T Michel; J Naumann; A Panzeri; P Pedroni; T Pinelli; I Preobrajenski; E Radtke; E Reichert; G Reicherz; C Rohlof; G Rosner; T Rostomyan; C Rovelli; D Rychbosch; M Sauer; B Schoch; M Schumacher; B Seitz; T Speckner; N Takabayashi; G Tamas; A Thomas; R van de Vyver; A Wakai; W Weihofen; F Wissmann; F Zapadtka; G Zeitler

doi:10.1016/S0370-2693(02)03008-3

Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region

J Ahrens, S Altieri, JRM Annand, G Anton, HJ Arends, K Aulenbacher, R Beck, C Bradtke, A Braghieri, N Degrande, N D'Hose, H Dutz, S Goertz, P Grabmayr, Kurt Hansen, J Harmsen, D von Harrach, S Hasegawa, T Hasegawa, E HeidK Helbing, H Holvoet, L Van Hoorebeke, N Horikawa, T Iwata, O Jahn, P Jennewein, T Kageya, B Kiel, F Klein, R Kondratiev, K Kossert, J Krimmer, M Lang, B Lannoy, R Leukel, V Lisin, T Matsuda, JC McGeorge, A Meier, D Menze, W Meyer, T Michel, J Naumann, A Panzeri, P Pedroni, T Pinelli, I Preobrajenski, E Radtke, E Reichert, G Reicherz, C Rohlof, G Rosner, T Rostomyan, C Rovelli, D Rychbosch, M Sauer, B Schoch, M Schumacher, B Seitz, T Speckner, N Takabayashi, G Tamas, A Thomas, R van de Vyver, A Wakai, W Weihofen, F Wissmann, F Zapadtka, G Zeitler

MAX IV Laboratory

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Abstract

The helicity dependence of the total cross section for the (γ) over right arrow(p) over right arrownpi(+) pi(0) reaction has been measured for the first time at incident photon energies from 400 to 800 MeV The measurement was performed with the large acceptance detector DAPHNE at the tagged photon beam facility of the MAMI accelerator in Mainz. This channel is found to be excited predominantly when the photon and proton have a parallel spin orientation, due to the intermediate production of the D-13 resonance. (C) 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	49-55
Journal	Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	551
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(02)03008-3
Publication status	Published - 2003

Subject classification (UKÄ)

Physical Sciences
Natural Sciences

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10.1016/S0370-2693(02)03008-3

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Ahrens, J., Altieri, S., Annand, JRM., Anton, G., Arends, HJ., Aulenbacher, K., Beck, R., Bradtke, C., Braghieri, A., Degrande, N., D'Hose, N., Dutz, H., Goertz, S., Grabmayr, P., Hansen, K., Harmsen, J., von Harrach, D., Hasegawa, S., Hasegawa, T., ... Zeitler, G. (2003). Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 551(1-2), 49-55. https://doi.org/10.1016/S0370-2693(02)03008-3

@article{cd39736154994fdd9ba1f4a25b6f7839,

title = "Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region",

abstract = "The helicity dependence of the total cross section for the (γ) over right arrow(p) over right arrownpi(+) pi(0) reaction has been measured for the first time at incident photon energies from 400 to 800 MeV The measurement was performed with the large acceptance detector DAPHNE at the tagged photon beam facility of the MAMI accelerator in Mainz. This channel is found to be excited predominantly when the photon and proton have a parallel spin orientation, due to the intermediate production of the D-13 resonance. (C) 2002 Elsevier Science B.V. All rights reserved.",

author = "J Ahrens and S Altieri and JRM Annand and G Anton and HJ Arends and K Aulenbacher and R Beck and C Bradtke and A Braghieri and N Degrande and N D'Hose and H Dutz and S Goertz and P Grabmayr and Kurt Hansen and J Harmsen and {von Harrach}, D and S Hasegawa and T Hasegawa and E Heid and K Helbing and H Holvoet and {Van Hoorebeke}, L and N Horikawa and T Iwata and O Jahn and P Jennewein and T Kageya and B Kiel and F Klein and R Kondratiev and K Kossert and J Krimmer and M Lang and B Lannoy and R Leukel and V Lisin and T Matsuda and JC McGeorge and A Meier and D Menze and W Meyer and T Michel and J Naumann and A Panzeri and P Pedroni and T Pinelli and I Preobrajenski and E Radtke and E Reichert and G Reicherz and C Rohlof and G Rosner and T Rostomyan and C Rovelli and D Rychbosch and M Sauer and B Schoch and M Schumacher and B Seitz and T Speckner and N Takabayashi and G Tamas and A Thomas and {van de Vyver}, R and A Wakai and W Weihofen and F Wissmann and F Zapadtka and G Zeitler",

year = "2003",

doi = "10.1016/S0370-2693(02)03008-3",

language = "English",

volume = "551",

pages = "49--55",

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

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

Ahrens, J, Altieri, S, Annand, JRM, Anton, G, Arends, HJ, Aulenbacher, K, Beck, R, Bradtke, C, Braghieri, A, Degrande, N, D'Hose, N, Dutz, H, Goertz, S, Grabmayr, P, Hansen, K, Harmsen, J, von Harrach, D, Hasegawa, S, Hasegawa, T, Heid, E, Helbing, K, Holvoet, H, Van Hoorebeke, L, Horikawa, N, Iwata, T, Jahn, O, Jennewein, P, Kageya, T, Kiel, B, Klein, F, Kondratiev, R, Kossert, K, Krimmer, J, Lang, M, Lannoy, B, Leukel, R, Lisin, V, Matsuda, T, McGeorge, JC, Meier, A, Menze, D, Meyer, W, Michel, T, Naumann, J, Panzeri, A, Pedroni, P, Pinelli, T, Preobrajenski, I, Radtke, E, Reichert, E, Reicherz, G, Rohlof, C, Rosner, G, Rostomyan, T, Rovelli, C, Rychbosch, D, Sauer, M, Schoch, B, Schumacher, M, Seitz, B, Speckner, T, Takabayashi, N, Tamas, G, Thomas, A, van de Vyver, R, Wakai, A, Weihofen, W, Wissmann, F, Zapadtka, F & Zeitler, G 2003, 'Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region', Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 551, no. 1-2, pp. 49-55. https://doi.org/10.1016/S0370-2693(02)03008-3

TY - JOUR

T1 - Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region

AU - Ahrens, J

AU - Altieri, S

AU - Annand, JRM

AU - Anton, G

AU - Arends, HJ

AU - Aulenbacher, K

AU - Beck, R

AU - Bradtke, C

AU - Braghieri, A

AU - Degrande, N

AU - D'Hose, N

AU - Dutz, H

AU - Goertz, S

AU - Grabmayr, P

AU - Hansen, Kurt

AU - Harmsen, J

AU - von Harrach, D

AU - Hasegawa, S

AU - Hasegawa, T

AU - Heid, E

AU - Helbing, K

AU - Holvoet, H

AU - Van Hoorebeke, L

AU - Horikawa, N

AU - Iwata, T

AU - Jahn, O

AU - Jennewein, P

AU - Kageya, T

AU - Kiel, B

AU - Klein, F

AU - Kondratiev, R

AU - Kossert, K

AU - Krimmer, J

AU - Lang, M

AU - Lannoy, B

AU - Leukel, R

AU - Lisin, V

AU - Matsuda, T

AU - McGeorge, JC

AU - Meier, A

AU - Menze, D

AU - Meyer, W

AU - Michel, T

AU - Naumann, J

AU - Panzeri, A

AU - Pedroni, P

AU - Pinelli, T

AU - Preobrajenski, I

AU - Radtke, E

AU - Reichert, E

AU - Reicherz, G

AU - Rohlof, C

AU - Rosner, G

AU - Rostomyan, T

AU - Rovelli, C

AU - Rychbosch, D

AU - Sauer, M

AU - Schoch, B

AU - Schumacher, M

AU - Seitz, B

AU - Speckner, T

AU - Takabayashi, N

AU - Tamas, G

AU - Thomas, A

AU - van de Vyver, R

AU - Wakai, A

AU - Weihofen, W

AU - Wissmann, F

AU - Zapadtka, F

AU - Zeitler, G

PY - 2003

Y1 - 2003

N2 - The helicity dependence of the total cross section for the (γ) over right arrow(p) over right arrownpi(+) pi(0) reaction has been measured for the first time at incident photon energies from 400 to 800 MeV The measurement was performed with the large acceptance detector DAPHNE at the tagged photon beam facility of the MAMI accelerator in Mainz. This channel is found to be excited predominantly when the photon and proton have a parallel spin orientation, due to the intermediate production of the D-13 resonance. (C) 2002 Elsevier Science B.V. All rights reserved.

AB - The helicity dependence of the total cross section for the (γ) over right arrow(p) over right arrownpi(+) pi(0) reaction has been measured for the first time at incident photon energies from 400 to 800 MeV The measurement was performed with the large acceptance detector DAPHNE at the tagged photon beam facility of the MAMI accelerator in Mainz. This channel is found to be excited predominantly when the photon and proton have a parallel spin orientation, due to the intermediate production of the D-13 resonance. (C) 2002 Elsevier Science B.V. All rights reserved.

U2 - 10.1016/S0370-2693(02)03008-3

DO - 10.1016/S0370-2693(02)03008-3

M3 - Article

SN - 0370-2693

VL - 551

SP - 49

EP - 55

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 - 1-2

ER -

Helicity dependence of the (gamma)over-right-arrow (p)over-right-arrow -> n pi(+) pi(0) reaction in the second resonance region

Abstract

Subject classification (UKÄ)

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