The E2/M1 ratio in Δ photoproduction

Autor: M. Lowry, M. Blecher, H. Ströher, C. Djalali, M. Lucas, Anthony Kuczewski, A. Caracappa, G. Giordano, G. Matone, D. Rebreyend, S.T. Thornton, O. C. Kistner, J. Tonnison, R. M. Sealock, X. Zhao, C. Schaerf, K. Hicks, C. S. Whisnant, S. Hoblit, A. M. Sandorfi, L. Miceli, B. M. Preedom, C. E. Thorn, G. S. Blanpied, H. Zhang, M. Khandaker

Publikováno v: Nuclear Physics A. 629:171-179

New high-precision measurements of p( γ , π) and p( γ , γ) cross sections and beam asymmetries have been combined with other polarization ratios in a simultaneous analysis of both reactions. Compton scattering has provided two important new const

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37555d95a79389168d3b2cca839c2206
https://doi.org/10.1016/s0375-9474(97)00683-0

Spin asymmetries from16O(γ→,pπ−)nearΔresonance energies

Autor: S. Hoblit, O. C. Kistner, A. M. Sandorfi, K. Hicks, B. E. Norum, M. Lucas, L. E. Wright, A. Cichocki, S.T. Thornton, R. A. Lindgren, A. Caracappa, J. Rapaport, C. S. Whisnant, R. M. Sealock, H. Baghaei, Frank X. Lee, L. C. Smith, C. E. Thorn, V. Gladyshev, T. Gresko, M. Khandaker, R. W. Finlay, G. Davenport, L. Miceli

Publikováno v: Physical Review C. 55:R12-R15

Spin asymmetries for the ${}^{16}\mathrm{O}(\stackrel{\ensuremath{\rightarrow}}{\ensuremath{\gamma}},p{\ensuremath{\pi}}^{\ensuremath{-}})$ reaction are reported for incident photon energies of 293 $\ifmmode\pm\else\textpm\fi{}$ 20 MeV, proton angles

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0317ce4cdad486b56df4528ed0c498f7
https://doi.org/10.1103/physrevc.55.r12

New measurements ofH2(γ→,p)nand spin problems in coupledNΔ/NNinteractions

Autor: O. C. Kistner, L. Miceli, C. S. Whisnant, K. Hicks, G. S. Blanpied, C. Djalali, M. Khandaker, G. Giordano, S. Hoblit, A. Caracappa, C. E. Thorn, R. M. Sealock, A. M. Sandorfi, D. Rebreyend, W. K. Mize, H. Arenhövel, X. Zhao, M. Blecher, G. Matone, K. Vaziri, P. Wilhelm, M-A. Duval, S.T. Thornton, C. Schaerf, B. M. Preedom

Publikováno v: Physical Review C. 52:R455-R459

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd1e6da2df7c890650fcd9368ff1354c
https://doi.org/10.1103/physrevc.52.r455

Results from polarized experiments at LEGS and GRAAL

Autor: C. S. Whisnant, F. Ghio, A. D'Angelo, D. Rebreyend, D. Franco, S. Kucuker, M. Lowry, A. M. Lapik, Giuseppe Mandaglio, A. Giusa, A. Turinge, N. V. Rudnev, C. E. Thorn, S. Hoblit, B. Preedom, M. Khandaker, M. L. Sperduto, J.-P. Bocqueti, C. Gibson, Marina Manganaro, S. Kizilgul, A. Caracappa, Marco Capogni, A. Sandorfi, M. Lucas, K. Ardashev, G. Gervino, J. Mahon, M. C. Sutera, A. Lehmann, M. Pap, L. Miceli, A. Fantini, C. Schaerf, X. Wei, F. Mammoliti, D. Moricciani, L. Casano, M. Blecher, K. Hicks, H. Seyfarth, A. Honig, B. Norum, V. Vegna, T. Kageya, H. Stroher, C. Bade, Annick Lleres, G.V. Russo, V. G. Nedorezov, V. Bellini, H. Glükler, M. Castoldi, G. Giardina, K. Wang, P. Levi Sandri, B. Girolami, O. C. Kistner, R. Di Salvo, O. Bartalini, C. Randieri, A. N. Mushkarenkov

Publikováno v: AIP Conference Proceedings
8th International workshop on the Physics of Excited Nucleon (NSTAR 2011)
8th International workshop on the Physics of Excited Nucleon (NSTAR 2011), May 2011, Newport News, United States. pp.56-61, ⟨10.1063/1.3701189⟩

Compton backscattering gamma ray beams are characterized by a high degree of linear and circular polarization with low unpolarized backgrounds and have proven to provide very precise measurements of polarization observables. Latest results from LEGS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6433425d6b28d4a566c2fd938d66cc2
http://hdl.handle.net/2108/97538

First measurement of the reactionHe3(γ→,p)Xwith polarized photons

Autor: J. M. Laget, D. J. Tedeschi, Murray Moinester, L. C. Smith, R. M. Sealock, K. Vaziri, A. M. Sandorfi, O. C. Kistner, M. A. Duval, P. Stoler, W. B. Clayton, C. S. Whisnant, E. J. Winhold, S. Hoblit, L. Miceli, S.T. Thornton, R. A. Lindgren, C. Ruth, G. Matone, H. Baghaei, W. K. Mize, C. Schaerf, P. K. Teng, C. E. Thorn, A. Caracappa, A. D'Angelo, G. S. Adams, G. Giordano

Publikováno v: Physical Review Letters. 72:617-620

The first measurement of the reaction [sup 3]He([rvec [gamma]],[ital p])[ital X] using linearly polarized photons is reported. Cross sections and beam-polarization asymmetries for [theta][sub [ital p]][sup lab]=60[degree]--100[degree] and [ital E][su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b53b22ba374efad59567895ec4a654a1
https://doi.org/10.1103/physrevlett.72.617