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Pregled bibliografske jedinice broj: 841464

Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections

(A2 Collaboration at MAMI) Witthauer, M.; Dieterle, M.; Achenbach, S. A.; Afzal, F.; Ahmed, Z.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M.; Beck, R.; Biroth, M. et al.
Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections // Physical review letters, 117 (2016), 13; 132502, 5 doi:10.1103/PhysRevLett.117.132502 (međunarodna recenzija, članak, znanstveni)

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Naslov
Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections

Autori
Witthauer, M. ; Dieterle, M. ; Achenbach, S. A. ; Afzal, F. ; Ahmed, Z. ; Annand, J. R. M. ; Arends, H. J. ; Bashkanov, M. ; Beck, R. ; Biroth, M. ; Borisov, N. S. ; Braghieri, A. ; Briscoe, W. J. ; Cividini, F. ; Costanza, S. ; Collicott, C. ; Denig, A. ; Downie, E. J. ; Drexler, P. ; Ferretti-Bondy, M. I. ; Gardner, S. ; Garni, S. ; Glazier, D. I. ; Glowa, D. ; Gradl, W. ; Gunther, M. ; Gurevich, G. M. ; Hamilton, D. ; Hornidge, D. ; Huber, G. M. ; Kaser, A. ; Kashevarov, V. L. ; Kay, S. ; Keshelashvili, I. ; Kondratiev, R. ; Korolija, Milorad ; Krusche, B. ; Lazarev, A. B. ; Linturi, J. M. ; Lisin, V. ; Livingston, K. ; Lutterer, S. ; MacGregor, I. J. D. ; Mancell, J. ; Manley, D. M. ; Martel, P. P. ; Metag, V. ; Meyer, W. ; Miskimen, R. ; Mornacchi, E. ; Mushkarenkov, A. ; Neganov, A. B. ; Neiser, A. ; Oberle, M. ; Ostrick, M. ; Otte, P. B. ; Paudyal, D. ; Pedroni, P. ; Polonski, A. ; Prakhov, S. N. ; Rajabi, A. ; Reicherz, G. ; Sokhoyan, V. ; Spieker, K. ; Steffen, O. ; Strakovski, I. I. ; Strub, Th. ; Supek, Ivan ; Thiel, A. ; Thiel, M. ; Thomas, A. ; Unverzagt, M. ; Usov, Yu. A. ; Wagner, S. ; Walford, N. K. ; Watts, D. P. ; Werthmuller, D. ; Wettig, J. ; Wolfes, M. ; Zana, L.

Kolaboracija
A2 Collaboration at MAMI

Izvornik
Physical review letters (0031-9007) 117 (2016), 13; 132502, 5

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
η photoproduction ; neutron ; helicity-dependent cross sections

Sažetak
The double polarization observable E and the helicity dependent cross sections σ1=2 and σ3=2 were measured for η photoproduction from quasifree protons and neutrons. The circularly polarized tagged photon beam of the A2 experiment at the Mainz MAMI accelerator was used in combination with a longitudinally polarized deuterated butanol target. The almost 4π detector setup of the Crystal Ball and TAPS is ideally suited to detect the recoil nucleons and the decay photons from η → 2γ and η → 3π0. The results show that the narrow structure previously observed in η photoproduction from the neutron is only apparent in σ1=2 and hence, most likely related to a spin-1=2 amplitude. Nucleon resonances that contribute to this partial wave in η production are only N1=2− (S11) and N 1=2þ (P11). Furthermore, the extracted Legendre coefficients of the angular distributions for σ1=2 are in good agreement with recent reaction model predictions assuming a narrow resonance in the P11 wave as the origin of this structure.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Ivan Supek (autor)

Avatar Url Milorad Korolija (autor)

Poveznice na cjeloviti tekst rada:

doi journals.aps.org doi.org

Citiraj ovu publikaciju:

(A2 Collaboration at MAMI) Witthauer, M.; Dieterle, M.; Achenbach, S. A.; Afzal, F.; Ahmed, Z.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M.; Beck, R.; Biroth, M. et al.
Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections // Physical review letters, 117 (2016), 13; 132502, 5 doi:10.1103/PhysRevLett.117.132502 (međunarodna recenzija, članak, znanstveni)
(A2 Collaboration at MAMI) (A2 Collaboration at MAMI) Witthauer, M., Dieterle, M., Achenbach, S., Afzal, F., Ahmed, Z., Annand, J., Arends, H., Bashkanov, M., Beck, R. & Biroth, M. (2016) Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections. Physical review letters, 117 (13), 132502, 5 doi:10.1103/PhysRevLett.117.132502.
@article{article, author = {Witthauer, M. and Dieterle, M. and Achenbach, S. A. and Afzal, F. and Ahmed, Z. and Annand, J. R. M. and Arends, H. J. and Bashkanov, M. and Beck, R. and Biroth, M. and Borisov, N. S. and Braghieri, A. and Briscoe, W. J. and Cividini, F. and Costanza, S. and Collicott, C. and Denig, A. and Downie, E. J. and Drexler, P. and Ferretti-Bondy, M. I. and Gardner, S. and Garni, S. and Glazier, D. I. and Glowa, D. and Gradl, W. and Gunther, M. and Gurevich, G. M. and Hamilton, D. and Hornidge, D. and Huber, G. M. and Kaser, A. and Kashevarov, V. L. and Kay, S. and Keshelashvili, I. and Kondratiev, R. and Korolija, Milorad and Krusche, B. and Lazarev, A. B. and Linturi, J. M. and Lisin, V. and Livingston, K. and Lutterer, S. and MacGregor, I. J. D. and Mancell, J. and Manley, D. M. and Martel, P. P. and Metag, V. and Meyer, W. and Miskimen, R. and Mornacchi, E. and Mushkarenkov, A. and Neganov, A. B. and Neiser, A. and Oberle, M. and Ostrick, M. and Otte, P. B. and Paudyal, D. and Pedroni, P. and Polonski, A. and Prakhov, S. N. and Rajabi, A. and Reicherz, G. and Sokhoyan, V. and Spieker, K. and Steffen, O. and Strakovski, I. I. and Strub, Th. and Supek, Ivan and Thiel, A. and Thiel, M. and Thomas, A. and Unverzagt, M. and Usov, Yu. A. and Wagner, S. and Walford, N. K. and Watts, D. P. and Werthmuller, D. and Wettig, J. and Wolfes, M. and Zana, L.}, year = {2016}, pages = {5}, DOI = {10.1103/PhysRevLett.117.132502}, chapter = {132502}, keywords = {η photoproduction, neutron, helicity-dependent cross sections}, journal = {Physical review letters}, doi = {10.1103/PhysRevLett.117.132502}, volume = {117}, number = {13}, issn = {0031-9007}, title = {Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections}, keyword = {η photoproduction, neutron, helicity-dependent cross sections}, chapternumber = {132502} }
@article{article, author = {Witthauer, M. and Dieterle, M. and Achenbach, S. A. and Afzal, F. and Ahmed, Z. and Annand, J. R. M. and Arends, H. J. and Bashkanov, M. and Beck, R. and Biroth, M. and Borisov, N. S. and Braghieri, A. and Briscoe, W. J. and Cividini, F. and Costanza, S. and Collicott, C. and Denig, A. and Downie, E. J. and Drexler, P. and Ferretti-Bondy, M. I. and Gardner, S. and Garni, S. and Glazier, D. I. and Glowa, D. and Gradl, W. and Gunther, M. and Gurevich, G. M. and Hamilton, D. and Hornidge, D. and Huber, G. M. and Kaser, A. and Kashevarov, V. L. and Kay, S. and Keshelashvili, I. and Kondratiev, R. and Korolija, Milorad and Krusche, B. and Lazarev, A. B. and Linturi, J. M. and Lisin, V. and Livingston, K. and Lutterer, S. and MacGregor, I. J. D. and Mancell, J. and Manley, D. M. and Martel, P. P. and Metag, V. and Meyer, W. and Miskimen, R. and Mornacchi, E. and Mushkarenkov, A. and Neganov, A. B. and Neiser, A. and Oberle, M. and Ostrick, M. and Otte, P. B. and Paudyal, D. and Pedroni, P. and Polonski, A. and Prakhov, S. N. and Rajabi, A. and Reicherz, G. and Sokhoyan, V. and Spieker, K. and Steffen, O. and Strakovski, I. I. and Strub, Th. and Supek, Ivan and Thiel, A. and Thiel, M. and Thomas, A. and Unverzagt, M. and Usov, Yu. A. and Wagner, S. and Walford, N. K. and Watts, D. P. and Werthmuller, D. and Wettig, J. and Wolfes, M. and Zana, L.}, year = {2016}, pages = {5}, DOI = {10.1103/PhysRevLett.117.132502}, chapter = {132502}, keywords = {η photoproduction, neutron, helicity-dependent cross sections}, journal = {Physical review letters}, doi = {10.1103/PhysRevLett.117.132502}, volume = {117}, number = {13}, issn = {0031-9007}, title = {Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections}, keyword = {η photoproduction, neutron, helicity-dependent cross sections}, chapternumber = {132502} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE
  • Nature Index

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