Primakoff effect in η-photoproduction off protons

Haidenbauer, J.; Krewald, S.; MeiBner, U. -G.

doi:10.1140/epja/i2010-10961-7

Title: Primakoff effect in η-photoproduction off protons

Journal Article · 26 March 2010 · European Physical Journal. A

DOI: https://doi.org/10.1140/epja/i2010-10961-7 · OSTI ID:1005092

Haidenbauer, J. ^[1]; Krewald, S. ^[1]; MeiBner, U. -G. ^[2]

Forschungszentrum Julich, Julich (Germany)
Univ. Bonn, Bonn (Germany); Forschungszentrum Julich, Julich (Germany)

In this paper, we analyse data on forward η -meson photoproduction off a proton target and extract the η → γγ decay width utilizing the Primakoff effect. The hadronic amplitude that enters into our analysis is strongly constrained because it is fixed from a global fit to available γp → pη data for differential cross-sections and polarizations. Finally, we compare our results with present information on the two-photon η-decay from the literature. We provide predictions for future PrimEx experiments at Jefferson Laboratory in order to motivate further studies.

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC05-06OR23177

OSTI ID:: 1005092

Report Number(s):: JLAB-THY--10-1126; DOE/OR/23177--1123; arXiv:1001.0646

Journal Information:: European Physical Journal. A, Journal Name: European Physical Journal. A Journal Issue: 2 Vol. 44; ISSN 1434-6001

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

References (85)

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A PCAC puzzle: π0→γγ in the σ-model Bell, J. S.; Jackiw, R. Il Nuovo Cimento A, Vol. 60, Issue 1 https://doi.org/10.1007/bf02823296	journal	March 1969
Experimental determination of the η lifetime by the measurement of the primakoff effect Bemporad, C.; Braccini, P. L.; Foà, L. Physics Letters B, Vol. 25, Issue 5 https://doi.org/10.1016/0370-2693(67)90101-3	journal	September 1967
Single photoproduction of η-mesons of hydrogen in the forward direction at 4 and 6 GeV Braunschweig, W.; Erlewein, W.; Frese, H. Physics Letters B, Vol. 33, Issue 3 https://doi.org/10.1016/0370-2693(70)90583-6	journal	October 1970
Photoproduction of eta mesons from hydrogen Dewire, J.; Gittelman, B.; Loe, R. Physics Letters B, Vol. 37, Issue 3 https://doi.org/10.1016/0370-2693(71)90030-x	journal	November 1971
Consequences of anomalous ward identities Wess, J.; Zumino, B. Physics Letters B, Vol. 37, Issue 1 https://doi.org/10.1016/0370-2693(71)90582-x	journal	November 1971
The polarised beam asymmetry in photoproduction of eta mesons from protons at 2.5 GeV and 3.0 GeV Bussey, P. J.; Raine, C.; Rutherglen, J. G. Physics Letters B, Vol. 61, Issue 5 https://doi.org/10.1016/0370-2693(76)90733-4	journal	April 1976
A measurement of the η radiative width Γη→γγ Bartel, W.; Becker, L.; Cords, D. Physics Letters B, Vol. 160, Issue 6 https://doi.org/10.1016/0370-2693(85)90013-9	journal	October 1985
Regge analysis and dual absorptive model for γN → πoN, γN → ηN and related processes Argyres, E. N.; Contogouris, A. P.; Ray, S. Nuclear Physics B, Vol. 45, Issue 1 https://doi.org/10.1016/0550-3213(72)90169-1	journal	August 1972
An eikonal model for neutral pion photoproduction including reggeon-reggeon cuts Collins, P. D. B.; Fitton, A. Nuclear Physics B, Vol. 68, Issue 1 https://doi.org/10.1016/0550-3213(74)90411-8	journal	January 1974
The polarised target asymmetry in photoproduction of eta mesons from protons at 4 GeV Bussey, P. J.; Raine, C.; Rutherglen, J. G. Nuclear Physics B, Vol. 185, Issue 2 https://doi.org/10.1016/0550-3213(81)90317-5	journal	July 1981
pp and ̄pp elastic scattering Donnachie, A.; Landshoff, P. V. Nuclear Physics B, Vol. 231, Issue 2 https://doi.org/10.1016/0550-3213(84)90283-9	journal	January 1984
Chiral perturbation theory: Expansions in the mass of the strange quark Gasser, J.; Leutwyler, H. Nuclear Physics B, Vol. 250, Issue 1-4 https://doi.org/10.1016/0550-3213(85)90492-4	journal	January 1985
Axial-Vector Vertex in Spinor Electrodynamics Adler, Stephen L. Physical Review, Vol. 177, Issue 5 https://doi.org/10.1103/physrev.177.2426	journal	January 1969
Anomalous Ward Identities in Spinor Field Theories Bardeen, William A. Physical Review, Vol. 184, Issue 5 https://doi.org/10.1103/physrev.184.1848	journal	August 1969
Photo-Production of Neutral Mesons in Nuclear Electric Fields and the Mean Life of the Neutral Meson Primakoff, H. Physical Review, Vol. 81, Issue 5 https://doi.org/10.1103/physrev.81.899	journal	March 1951
The Primakoff effect on a proton target Laget, J. M. Physical Review C, Vol. 72, Issue 2 https://doi.org/10.1103/physrevc.72.022202	journal	August 2005
Dispersion analysis of the nucleon form factors including meson continua Belushkin, M. A.; Hammer, H. -W.; Meißner, Ulf-G. Physical Review C, Vol. 75, Issue 3 https://doi.org/10.1103/physrevc.75.035202	journal	March 2007
Differential cross sections for the reactions γ p → p η and γ p → p η ' Williams, M.; Krahn, Z.; Applegate, D. Physical Review C, Vol. 80, Issue 4 https://doi.org/10.1103/physrevc.80.045213	journal	October 2009
Photoproduction of η and η ' mesons off protons Crede, V.; McVeigh, A.; Anisovich, A. V. Physical Review C, Vol. 80, Issue 5 https://doi.org/10.1103/physrevc.80.055202	journal	November 2009
Neutral-Boson Photoproduction on Hydrogen at High Energies Anderson, R.; Gustavson, D.; Johnson, J. Physical Review D, Vol. 1, Issue 1 https://doi.org/10.1103/physrevd.1.27	journal	January 1970
Large-angle two-photon exclusive channels in quantum chromodynamics Brodsky, Stanley J.; Lepage, G. Peter Physical Review D, Vol. 24, Issue 7 https://doi.org/10.1103/physrevd.24.1808	journal	October 1981
Observation of the production of η mesons in two-photon collisions Weinstein, A.; Antreasyan, D.; Gu, Y. F. Physical Review D, Vol. 28, Issue 11 https://doi.org/10.1103/physrevd.28.2896	journal	December 1983
Study of η formation in photon-photon collisions Aihara, H. Physical Review D, Vol. 33, Issue 3 https://doi.org/10.1103/physrevd.33.844	journal	February 1986
Formation of the pseudoscalars π 0 , η , and η’ in the reaction γγ→γγ Williams, D. A.; Antreasyan, D.; Bartels, H. W. Physical Review D, Vol. 38, Issue 5 https://doi.org/10.1103/physrevd.38.1365	journal	September 1988
Measurement of the two-photon width of the η and η ′ mesons Roe, N. A.; Bartha, G.; Burke, D. L. Physical Review D, Vol. 41, Issue 1 https://doi.org/10.1103/physrevd.41.17	journal	January 1990
Review of Particle Properties Montanet, L.; Gieselmann, K.; Barnett, R. M. Physical Review D, Vol. 50, Issue 3 https://doi.org/10.1103/physrevd.50.1173	journal	August 1994
Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer Gronberg, J.; Hill, T. S.; Kutschke, R. Physical Review D, Vol. 57, Issue 1 https://doi.org/10.1103/physrevd.57.33	journal	January 1998
Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior Cudell, J. R.; Ezhela, V. V.; Gauron, P. Physical Review D, Vol. 65, Issue 7 https://doi.org/10.1103/physrevd.65.074024	journal	March 2002
Chiral expansions of the π 0 lifetime Kampf, Karol; Moussallam, Bachir Physical Review D, Vol. 79, Issue 7 https://doi.org/10.1103/physrevd.79.076005	journal	April 2009
Quasifree Photoproduction of η Mesons off the Neutron Jaegle, I.; Mertens, T.; Anisovich, A. V. Physical Review Letters, Vol. 100, Issue 25 https://doi.org/10.1103/physrevlett.100.252002	journal	June 2008
η → γ γ Decay Width via the Primakoff Cross Section Rodrigues, T. E.; Arruda-Neto, J. D. T.; Mesa, J. Physical Review Letters, Vol. 101, Issue 1 https://doi.org/10.1103/physrevlett.101.012301	journal	July 2008
Radiative Width of the η Meson Browman, A.; DeWire, J.; Gittleman, B. Physical Review Letters, Vol. 32, Issue 19 https://doi.org/10.1103/physrevlett.32.1067	journal	May 1974
Photoproductionof η Mesonsoff Protons for 0.75 G e V < E γ < 3 G e V Credé, V.; Bartholomy, O.; Anisovich, A. V. Physical Review Letters, Vol. 94, Issue 1 https://doi.org/10.1103/physrevlett.94.012004	journal	January 2005
Pion-nucleon charge exchange amplitudes above 2 GeV Huang, F.; Sibirtsev, A.; Krewald, S. The European Physical Journal A, Vol. 40, Issue 1 https://doi.org/10.1140/epja/i2008-10728-9	journal	February 2009
Neutral pion photoproduction at high energies Sibirtsev, A.; Haidenbauer, J.; Krewald, S. The European Physical Journal A, Vol. 41, Issue 1 https://doi.org/10.1140/epja/i2009-10771-0	journal	May 2009
Quark Structure of Pseudoscalar Mesons Feldmann, Thorsten International Journal of Modern Physics A, Vol. 15, Issue 02 https://doi.org/10.1142/s0217751x00000082	journal	January 2000
Chiral Perturbation Theory and Anomalous Processes Bijnens, Johan International Journal of Modern Physics A, Vol. 08, Issue 18 https://doi.org/10.1142/s0217751x93001235	journal	July 1993
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On the 1/N expansion in chiral perturbation theory Leutwyler, H. arXiv https://doi.org/10.48550/arxiv.hep-ph/9709408	text	January 1997
Measurement of the two-photon widths of thea 2,η′, η Baru, S. E.; Blinov, A. E.; Blinov, V. E. Zeitschrift für Physik C Particles and Fields, Vol. 48, Issue 4 https://doi.org/10.1007/BF01614692	journal	December 1990
A PCAC puzzle: π0→γγ in the σ-model Bell, J. S.; Jackiw, R. Il Nuovo Cimento A, Vol. 60, Issue 1 https://doi.org/10.1007/BF02823296	journal	March 1969
Experimental determination of the η lifetime by the measurement of the primakoff effect Bemporad, C.; Braccini, P. L.; Foà, L. Physics Letters B, Vol. 25, Issue 5 https://doi.org/10.1016/0370-2693(67)90101-3	journal	September 1967
Single photoproduction of η-mesons of hydrogen in the forward direction at 4 and 6 GeV Braunschweig, W.; Erlewein, W.; Frese, H. Physics Letters B, Vol. 33, Issue 3 https://doi.org/10.1016/0370-2693(70)90583-6	journal	October 1970
Photoproduction of eta mesons from hydrogen Dewire, J.; Gittelman, B.; Loe, R. Physics Letters B, Vol. 37, Issue 3 https://doi.org/10.1016/0370-2693(71)90030-X	journal	November 1971
Consequences of anomalous ward identities Wess, J.; Zumino, B. Physics Letters B, Vol. 37, Issue 1 https://doi.org/10.1016/0370-2693(71)90582-X	journal	November 1971
The polarised beam asymmetry in photoproduction of eta mesons from protons at 2.5 GeV and 3.0 GeV Bussey, P. J.; Raine, C.; Rutherglen, J. G. Physics Letters B, Vol. 61, Issue 5 https://doi.org/10.1016/0370-2693(76)90733-4	journal	April 1976
A measurement of the η radiative width Γη→γγ Bartel, W.; Becker, L.; Cords, D. Physics Letters B, Vol. 160, Issue 6 https://doi.org/10.1016/0370-2693(85)90013-9	journal	October 1985
Regge analysis and dual absorptive model for γN → πoN, γN → ηN and related processes Argyres, E. N.; Contogouris, A. P.; Ray, S. Nuclear Physics B, Vol. 45, Issue 1 https://doi.org/10.1016/0550-3213(72)90169-1	journal	August 1972
An eikonal model for neutral pion photoproduction including reggeon-reggeon cuts Collins, P. D. B.; Fitton, A. Nuclear Physics B, Vol. 68, Issue 1 https://doi.org/10.1016/0550-3213(74)90411-8	journal	January 1974
The polarised target asymmetry in photoproduction of eta mesons from protons at 4 GeV Bussey, P. J.; Raine, C.; Rutherglen, J. G. Nuclear Physics B, Vol. 185, Issue 2 https://doi.org/10.1016/0550-3213(81)90317-5	journal	July 1981
Global aspects of current algebra Witten, Edward Nuclear Physics B, Vol. 223, Issue 2 https://doi.org/10.1016/0550-3213(83)90063-9	journal	August 1983
pp and ̄pp elastic scattering Donnachie, A.; Landshoff, P. V. Nuclear Physics B, Vol. 231, Issue 2 https://doi.org/10.1016/0550-3213(84)90283-9	journal	January 1984
Chiral perturbation theory: Expansions in the mass of the strange quark Gasser, J.; Leutwyler, H. Nuclear Physics B, Vol. 250, Issue 1-4 https://doi.org/10.1016/0550-3213(85)90492-4	journal	January 1985
On the in chiral perturbation theory Leutwyler, H. Nuclear Physics B - Proceedings Supplements, Vol. 64, Issue 1-3 https://doi.org/10.1016/S0920-5632(97)01065-7	journal	May 1998
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Axial-Vector Vertex in Spinor Electrodynamics Adler, Stephen L. Physical Review, Vol. 177, Issue 5 https://doi.org/10.1103/PhysRev.177.2426	journal	January 1969
Anomalous Ward Identities in Spinor Field Theories Bardeen, William A. Physical Review, Vol. 184, Issue 5 https://doi.org/10.1103/PhysRev.184.1848	journal	August 1969
Photo-Production of Neutral Mesons in Nuclear Electric Fields and the Mean Life of the Neutral Meson Primakoff, H. Physical Review, Vol. 81, Issue 5 https://doi.org/10.1103/PhysRev.81.899	journal	March 1951
The Primakoff effect on a proton target Laget, J. M. Physical Review C, Vol. 72, Issue 2 https://doi.org/10.1103/PhysRevC.72.022202	journal	August 2005
Dispersion analysis of the nucleon form factors including meson continua Belushkin, M. A.; Hammer, H. -W.; Meißner, Ulf-G. Physical Review C, Vol. 75, Issue 3 https://doi.org/10.1103/PhysRevC.75.035202	journal	March 2007
Differential cross sections for the reactions γ p → p η and γ p → p η ' Williams, M.; Krahn, Z.; Applegate, D. Physical Review C, Vol. 80, Issue 4 https://doi.org/10.1103/PhysRevC.80.045213	journal	October 2009
Photoproduction of η and η ' mesons off protons Crede, V.; McVeigh, A.; Anisovich, A. V. Physical Review C, Vol. 80, Issue 5 https://doi.org/10.1103/PhysRevC.80.055202	journal	November 2009
Neutral-Boson Photoproduction on Hydrogen at High Energies Anderson, R.; Gustavson, D.; Johnson, J. Physical Review D, Vol. 1, Issue 1 https://doi.org/10.1103/PhysRevD.1.27	journal	January 1970
Large-angle two-photon exclusive channels in quantum chromodynamics Brodsky, Stanley J.; Lepage, G. Peter Physical Review D, Vol. 24, Issue 7 https://doi.org/10.1103/PhysRevD.24.1808	journal	October 1981
Observation of the production of η mesons in two-photon collisions Weinstein, A.; Antreasyan, D.; Gu, Y. F. Physical Review D, Vol. 28, Issue 11 https://doi.org/10.1103/PhysRevD.28.2896	journal	December 1983
Study of η formation in photon-photon collisions Aihara, H. Physical Review D, Vol. 33, Issue 3 https://doi.org/10.1103/PhysRevD.33.844	journal	February 1986
Formation of the pseudoscalars π 0 , η , and η’ in the reaction γγ→γγ Williams, D. A.; Antreasyan, D.; Bartels, H. W. Physical Review D, Vol. 38, Issue 5 https://doi.org/10.1103/PhysRevD.38.1365	journal	September 1988
Measurement of the two-photon width of the η and η ′ mesons Roe, N. A.; Bartha, G.; Burke, D. L. Physical Review D, Vol. 41, Issue 1 https://doi.org/10.1103/PhysRevD.41.17	journal	January 1990
Review of Particle Properties Montanet, L.; Gieselmann, K.; Barnett, R. M. Physical Review D, Vol. 50, Issue 3 https://doi.org/10.1103/PhysRevD.50.1173	journal	August 1994
Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer Gronberg, J.; Hill, T. S.; Kutschke, R. Physical Review D, Vol. 57, Issue 1 https://doi.org/10.1103/PhysRevD.57.33	journal	January 1998
Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior Cudell, J. R.; Ezhela, V. V.; Gauron, P. Physical Review D, Vol. 65, Issue 7 https://doi.org/10.1103/PhysRevD.65.074024	journal	March 2002
Decay π 0 → γ γ to next to leading order in chiral perturbation theory Goity, J. L.; Bernstein, A. M.; Holstein, B. R. Physical Review D, Vol. 66, Issue 7 https://doi.org/10.1103/PhysRevD.66.076014	journal	October 2002
Chiral expansions of the π 0 lifetime Kampf, Karol; Moussallam, Bachir Physical Review D, Vol. 79, Issue 7 https://doi.org/10.1103/PhysRevD.79.076005	journal	April 2009
Quasifree Photoproduction of η Mesons off the Neutron Jaegle, I.; Mertens, T.; Anisovich, A. V. Physical Review Letters, Vol. 100, Issue 25 https://doi.org/10.1103/PhysRevLett.100.252002	journal	June 2008
η → γ γ Decay Width via the Primakoff Cross Section Rodrigues, T. E.; Arruda-Neto, J. D. T.; Mesa, J. Physical Review Letters, Vol. 101, Issue 1 https://doi.org/10.1103/PhysRevLett.101.012301	journal	July 2008
Radiative Width of the η Meson Browman, A.; DeWire, J.; Gittleman, B. Physical Review Letters, Vol. 32, Issue 19 https://doi.org/10.1103/PhysRevLett.32.1067	journal	May 1974
Photoproductionof η Mesonsoff Protons for 0.75 G e V < E γ < 3 G e V Credé, V.; Bartholomy, O.; Anisovich, A. V. Physical Review Letters, Vol. 94, Issue 1 https://doi.org/10.1103/PhysRevLett.94.012004	journal	January 2005
Pion-nucleon charge exchange amplitudes above 2 GeV Huang, F.; Sibirtsev, A.; Krewald, S. The European Physical Journal A, Vol. 40, Issue 1 https://doi.org/10.1140/epja/i2008-10728-9	journal	February 2009
Neutral pion photoproduction at high energies Sibirtsev, A.; Haidenbauer, J.; Krewald, S. The European Physical Journal A, Vol. 41, Issue 1 https://doi.org/10.1140/epja/i2009-10771-0	journal	May 2009
Quark Structure of Pseudoscalar Mesons Feldmann, Thorsten International Journal of Modern Physics A, Vol. 15, Issue 02 https://doi.org/10.1142/S0217751X00000082	journal	January 2000
Chiral Perturbation Theory and Anomalous Processes Bijnens, Johan International Journal of Modern Physics A, Vol. 08, Issue 18 https://doi.org/10.1142/S0217751X93001235	journal	July 1993
The Neutral Decay Modes of the Eta-Meson Nefkens, B. M. K.; Price, J. W. Physica Scripta, Vol. T99, Issue 1 https://doi.org/10.1238/Physica.Topical.099a00114	journal	January 2002

Cited By (2)

η production off the proton in a Regge-plus-chiral quark approach He, Jun; Saghai, B. Physical Review C, Vol. 82, Issue 3 https://doi.org/10.1103/physrevc.82.035206	journal	September 2010
$η$ production off the proton in a Regge-plus-chiral quark approach He, Jun; Saghai, B. arXiv https://doi.org/10.48550/arxiv.1005.2797	text	January 2010

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