Signatures of the d^{*}(2380) Hexaquark in d(γ,pn[over →])

Autor: M, Bashkanov, D P, Watts, S J D, Kay, S, Abt, P, Achenbach, P, Adlarson, F, Afzal, Z, Ahmed, C S, Akondi, J R M, Annand, H J, Arends, R, Beck, M, Biroth, N, Borisov, A, Braghieri, W J, Briscoe, F, Cividini, C, Collicott, S, Costanza, A, Denig, E J, Downie, P, Drexler, S, Fegan, A, Fix, S, Gardner, D, Ghosal, D I, Glazier, I, Gorodnov, W, Gradl, M, Günther, D, Gurevich, L, Heijkenskjöld, D, Hornidge, G M, Huber, A, Käser, V L, Kashevarov, M, Korolija, B, Krusche, A, Lazarev, K, Livingston, S, Lutterer, I J D, MacGregor, D M, Manley, P P, Martel, R, Miskimen, E, Mornacchi, C, Mullen, A, Neganov, A, Neiser, M, Ostrick, P B, Otte, D, Paudyal, P, Pedroni, A, Powell, S N, Prakhov, G, Ron, A, Sarty, C, Sfienti, V, Sokhoyan, K, Spieker, O, Steffen, I I, Strakovsky, T, Strub, I, Supek, A, Thiel, M, Thiel, A, Thomas, Yu A, Usov, S, Wagner, N K, Walford, D, Werthmüller, J, Wettig, M, Wolfes, N, Zachariou, L A, Zana

Publikováno v: Physical review letters. 124(13)

We report a measurement of the spin polarization of the recoiling neutron in deuterium photodisintegration, utilizing a new large acceptance polarimeter within the Crystal Ball at MAMI. The measured photon energy range of 300-700 MeV provides the fir

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a674593314a0a6be7dad3f53081d7b90
https://pubmed.ncbi.nlm.nih.gov/32302204

Partial-wave analyses of γp→ηp and γn→ηn using a multichannel framework

Autor: D. M. Manley, B. C. Hunt

Publikováno v: Physical Review C. 99

This paper presents results from partial-wave analyses of the photoproduction reactions $\ensuremath{\gamma}p\ensuremath{\rightarrow}\ensuremath{\eta}p$ and $\ensuremath{\gamma}n\ensuremath{\rightarrow}\ensuremath{\eta}n$. World data for the observab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06588aafe28ef24319870a3dcfb6d3df
https://doi.org/10.1103/physrevc.99.055203

First measurement of the polarization observable E and helicity-dependent cross sections in single π 0 photoproduction from quasi-free nucleons

Autor: David Hamilton, T. Rostomyan, M. Bashkanov, W. Meyer, D. I. Glazier, P. B. Otte, R. Miskimen, L. Zana, Concettina Sfienti, Yu. A. Usov, O. Steffen, V. L. Kashevarov, I. Supek, A. G. Denig, P. P. Martel, V. Lisin, Durga Paudyal, K. Livingston, Reinhard Beck, Susanna Costanza, A. Polonski, M. H. Sikora, A. B. Lazarev, S. Lutterer, A. Käser, M. Wolfes, F. Afzal, R. Kondratiev, S. N. Prakhov, A. Braghieri, S. Gardner, S. Kay, Michaela Thiel, Guy Ron, Th. Strub, F. Cividini, N. S. Borisov, A. Rajabi, C. Collicott, S. Abt, W. J. Briscoe, G. M. Gurevich, D. P. Watts, Z. Ahmed, Andy Thomas, A. Thiel, E. J. Downie, E. Mornacchi, D. M. Manley, M. Korolija, G. M. Huber, H. J. Arends, D. Glowa, C. S. Akondi, Patrick Achenbach, S. Wagner, G. Reicherz, B. Krusche, A. J. Sarty, I. Keshelashvili, I. J. D. MacGregor, Igor Strakovsky, D. Werthmüller, J. R. M. Annand, M. Unverzagt, V. Sokhoyan, J. Wettig, J. Linturi, K. Spieker, M. Dieterle, M. Ostrick, J. Mancell, P. Pedroni, S. Garni, M. Biroth, N. K. Walford, P. Adlarson, P. Drexler, M. Oberle, Volker Metag, A. N. Mushkarenkov, A. Neiser, M. I. Ferretti-Bondy, D. Hornidge, Lilian Witthauer, A. B. Neganov, W. Gradl, M. Günther

Publikováno v: Physics Letters B
Physics Letters B, Vol 770, Iss C, Pp 523-531 (2017)
Physics letters / B 770, 523-531 (2017). doi:10.1016/j.physletb.2017.04.079
Physics letters. B

The double-polarization observable $E$ and the helicity-dependent cross sections $\sigma_{1/2}$ and $\sigma_{3/2}$ have been measured for the first time for single $\pi^{0}$ photoproduction from protons and neutrons bound in the deuteron at the elect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f79e289809cdf7dd9af27a469f375164
http://repo.scoap3.org/api

Measurement of the π0→e+e−γ Dalitz decay at the Mainz Microtron

Autor: N. K. Walford, E. Mornacchi, C. Collicott, K. Spieker, K. Livingston, T. C. Jude, B. Strandberg, S. Gardner, N. S. Borisov, H. J. Arends, S. Cherepnya, D. P. Watts, V. Metag, E. J. Downie, M. I. Ferretti Bondy, K. Bantawa, C. Sfienti, H. Berghäuser, J. Robinson, J. Wettig, P. Pedroni, D. Hornidge, P. B. Otte, G. M. Huber, G. Rosner, R. A. Miskimen, V. Sokhoyan, Igor Strakovsky, M. Unverzagt, S. Garni, C. S. Akondi, A. Käser, S. Kay, J. Linturi, M. Ostrick, M. Dieterle, I. Keshelashvili, Yu. A. Usov, P. Drexler, P. Aguar-Bartolomé, O. Steffen, P. Adlarson, Michaela Thiel, V. L. Kashevarov, D. I. Glazier, M. Biroth, F. Cividini, A. Thiel, M. Oberle, R. Kondratiev, G. M. Gurevich, Guy Ron, Z. Ahmed, V. Lisin, D. M. Manley, D. Werthmüller, F. Afzal, E. F. McNicoll, S. Wagner, V. V. Kulikov, A. B. Neganov, Susanna Costanza, A. Rajabi, P. Ott, B. Krusche, M. A. Martemianov, C. Mullen, W. J. Briscoe, A. N. Mushkarenkov, A. Nikolaev, J. C. McGeorge, W. Gradl, P. P. Martel, Lilian Witthauer, A. G. Denig, M. Korolija, R. Beck, Lorenzo Zana, D. Glowa, Durga Paudyal, L. V. Fil'kov, M. Wolfes, A. B. Lazarev, I. Supek, A. Braghieri, A. Neiser, Th. Strub, D. G. Middleton, I. J. D. MacGregor, T. Rostomyan, J. R. M. Annand, A. Polonski, S. N. Prakhov, David Hamilton, Andy Thomas, M. H. Sikora, Roderick M. Macrae

Publikováno v: Physical Review C. 95

The Dalitz decay π0→e+e−γ has been measured in the γp→π0p reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. The value obtained for the slope parameter of the π0 electromagnetic transition form factor, aπ=0.030±0.0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70ca58630900d49efd226d953488864a
https://doi.org/10.1103/physrevc.95.025202

K+Λ and K+Σ0 photoproduction with fine center-of-mass energy resolution

Autor: S. Schumann, P. B. Otte, W. J. Briscoe, P. Pedroni, K. Livingston, V. L. Kashevarov, Z. Marinides, T. C. Jude, D. M. Manley, M. Korolija, G. Rosner, A. Starostin, Yasser Maghrbi, B. Demissie, S. Cherepnya, I. Keshelashvili, B. Krusche, Jason Brudvik, J. R. M. Annand, J. Robinson, F. Pheron, Terry Mart, E. F. McNicoll, V. Lisin, D. P. Watts, B. M.K. Nefkens, K. Bantawa, D. Werthmüller, O. Jahn, M. Ostrick, B. Oussena, A. Polonski, A. V. Sarantsev, I. Supek, F. Zehr, A. Nikolaev, D. Hornidge, V. S. Bekrenev, S. P. Kruglov, M. Thiel, I. M. Suarez, L. V. Fil'kov, J. C. McGeorge, I. I. Strakovsky, P. Aguar-Bartolomé, H. Berghäuser, M. Oberle, M. H. Sikora, R. Gregor, Lilian Witthauer, A. Koulbardis, S. N. Prakhov, D. I. Sober, I. Jaegle, R. Kondratiev, R. Beck, V. A. Nikonov, Anthony W. Thomas, D. I. Glazier, T. Rostomyan, D. Branford, H. J. Arends, D. G. Middleton, M. Unverzagt, A. Braghieri, E. J. Downie, L. K. Akasoy, A. N. Mushkarenkov, E. Heid, M. Dieterle, M. Martinez, I. J. D. MacGregor

Publikováno v: Physics Letters B. 735:112-118

Measurements of γp→K+Λγp→K+Λ and γp→K+Σ0γp→K+Σ0 cross-sections have been obtained with the photon tagging facility and the Crystal Ball calorimeter at MAMI-C. The measurement uses a novel K+K+ meson identification technique in which t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2c47eced70ba815ea6a1e4de9b8ec01
https://doi.org/10.1016/j.physletb.2014.06.015