Pretraga

Pretražite po imenu i prezimenu autora, mentora, urednika, prevoditelja

Napredna pretraga

Pregled bibliografske jedinice broj: 941817

Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons

(A2 Collaboration at MAMI) Witthauer, L.; Dieterle, M.; Abt, S.; Achenbach, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M. et al.
Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons // Physical review. C, 95 (2017), 5; 055201, 20 doi:10.1103/PhysRevC.95.055201 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 941817 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons

Autori
Witthauer, L. ; Dieterle, M. ; Abt, S. ; Achenbach, P. ; Afzal, F. ; Ahmed, Z. ; Akondi, C. S. ; 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. ; Günther, M. ; Gurevich, G. M. ; Hamilton, D. ; Hornidge, D. ; Huber, G. M. ; Käser, 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. ; Ron, G. ; Rostomyan, T. ; Sarty, A. ; Sfienti, C. ; Sikora, M. H. ; Sokhoyan, V. ; Spieker, K. ; Steffen, O. ; Strakovsky, 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. ; Werthmüller, D. ; Wettig, J. ; Wolfes, M. ; Zana, L. ; A2 Collaboration at MAMI

Kolaboracija
A2 Collaboration at MAMI

Izvornik
Physical review. C (2469-9985) 95 (2017), 5; 055201, 20

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

Ključne riječi
near-threshold photoproduction ; tagged photon spectrometer ; i-circle-dot ; meson photoproduction ; beam asymmetry ; nuclei ; mami ; microtron ; resonance ; mainz

Sažetak
Precise helicity-dependent cross sections and the double-polarization observable E were measured for η photoproduction from quasifree protons and neutrons bound in the deuteron. The η→2γ and η→3π0→6γ decay modes were used to optimize the statistical quality of the data and to estimate systematic uncertainties. The measurement used the A2 detector setup at the tagged photon beam of the electron accelerator MAMI in Mainz. A longitudinally polarized deuterated butanol target was used in combination with a circularly polarized photon beam from bremsstrahlung of a longitudinally polarized electron beam. The reaction products were detected with the electromagnetic calorimeters Crystal Ball and TAPS, which covered 98% of the full solid angle. The results show that the narrow structure observed earlier in the unpolarized excitation function of η photoproduction off the neutron appears only in reactions with antiparallel photon and nucleon spin (σ1/2). It is absent for reactions with parallel spin orientation (σ3/2) and thus very probably related to partial waves with total spin 1/2. The behavior of the angular distributions of the helicity-dependent cross sections was analyzed by fitting them withLegendre polynomials. The results are in good agreement with a model from the Bonn-Gatchina group, which uses an interference of P11 and S11 partial waves to explain the narrow 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

Citiraj ovu publikaciju:

(A2 Collaboration at MAMI) Witthauer, L.; Dieterle, M.; Abt, S.; Achenbach, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M. et al.
Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons // Physical review. C, 95 (2017), 5; 055201, 20 doi:10.1103/PhysRevC.95.055201 (međunarodna recenzija, članak, znanstveni)
(A2 Collaboration at MAMI) (A2 Collaboration at MAMI) Witthauer, L., Dieterle, M., Abt, S., Achenbach, P., Afzal, F., Ahmed, Z., Akondi, C., Annand, J., Arends, H. & Bashkanov, M. (2017) Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons. Physical review. C, 95 (5), 055201, 20 doi:10.1103/PhysRevC.95.055201.
@article{article, author = {Witthauer, L. and Dieterle, M. and Abt, S. and Achenbach, P. and Afzal, F. and Ahmed, Z. and Akondi, C. S. 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 G\"{u}nther, M. and Gurevich, G. M. and Hamilton, D. and Hornidge, D. and Huber, G. M. and K\"{a}ser, 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 Ron, G. and Rostomyan, T. and Sarty, A. and Sfienti, C. and Sikora, M. H. and Sokhoyan, V. and Spieker, K. and Steffen, O. and Strakovsky, 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 Werthm\"{u}ller, D. and Wettig, J. and Wolfes, M. and Zana, L.}, year = {2017}, pages = {20}, DOI = {10.1103/PhysRevC.95.055201}, chapter = {055201}, keywords = {near-threshold photoproduction, tagged photon spectrometer, i-circle-dot, meson photoproduction, beam asymmetry, nuclei, mami, microtron, resonance, mainz}, journal = {Physical review. C}, doi = {10.1103/PhysRevC.95.055201}, volume = {95}, number = {5}, issn = {2469-9985}, title = {Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons}, keyword = {near-threshold photoproduction, tagged photon spectrometer, i-circle-dot, meson photoproduction, beam asymmetry, nuclei, mami, microtron, resonance, mainz}, chapternumber = {055201} }
@article{article, author = {Witthauer, L. and Dieterle, M. and Abt, S. and Achenbach, P. and Afzal, F. and Ahmed, Z. and Akondi, C. S. 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 G\"{u}nther, M. and Gurevich, G. M. and Hamilton, D. and Hornidge, D. and Huber, G. M. and K\"{a}ser, 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 Ron, G. and Rostomyan, T. and Sarty, A. and Sfienti, C. and Sikora, M. H. and Sokhoyan, V. and Spieker, K. and Steffen, O. and Strakovsky, 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 Werthm\"{u}ller, D. and Wettig, J. and Wolfes, M. and Zana, L.}, year = {2017}, pages = {20}, DOI = {10.1103/PhysRevC.95.055201}, chapter = {055201}, keywords = {near-threshold photoproduction, tagged photon spectrometer, i-circle-dot, meson photoproduction, beam asymmetry, nuclei, mami, microtron, resonance, mainz}, journal = {Physical review. C}, doi = {10.1103/PhysRevC.95.055201}, volume = {95}, number = {5}, issn = {2469-9985}, title = {Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons}, keyword = {near-threshold photoproduction, tagged photon spectrometer, i-circle-dot, meson photoproduction, beam asymmetry, nuclei, mami, microtron, resonance, mainz}, chapternumber = {055201} }

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

Citati:

    Altmetrijski pokazatelji:


    Podijeli:





    Contrast
    Increase Font
    Decrease Font
    Dyslexic Font
    CROSBI koristi kolačiće (cookies) kako bi poboljšao funkcionalnost stranice.