Author: Paweł MoskalPublisher:
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Languages : en
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Eta-prime Meson Production in the Pp Right Arrow Eta-prime Meson Reaction Near Threshold
Author: Paweł MoskalEta Prime Meson Production in the Pp Becomes Pp Eta Prime Reaction Near Threshold
Author: Pawel MoskalEta Meson Production in the Pp -> Pp Eta Reaction Near Threshold
Author: Pawel MoskałA Study of the [eta Prime Meson, Pi Minus Meson] System Produced in the Reaction [pi Minus Meson, Proton Produces Eta Prime Meson, Pi Minus Meson, Proton] at 18 GeV/c
![A Study of the [eta Prime Meson, Pi Minus Meson] System Produced in the Reaction [pi Minus Meson, Proton Produces Eta Prime Meson, Pi Minus Meson, Proton] at 18 GeV/c PDF](https://books.google.com/books/content/images/frontcover/FyRMNwAACAAJ?fife=w80-h100)
Author: Erdinch Rahim TatarProperties of the Eta Prime Meson
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Languages : en
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The?'(958) meson has been studied in the reaction K−p →??', with K− beam momenta ranging from 1.70 to 2.65 Gev/c. The Dalitz plots of?' decay into??−? and?+?−? have been examined, and from them we have determined that the most likely quantum numbers of the?' are I{sup G}J{sup P} = 0+0−, although J{sup P} = 2− cannot be completely ruled out. They have also shown that the decay into?+−? is mediated by the decay?' →?{sup o}?. An examination of the production process has yielded further evidence for the J{sup P} = 0− assignment and suggested that the process takes place via K*(891) exchange in the t channel. Branching fractions and cross sections have been determined, and finally a search for a negatively charged?' in the deuterium reaction K−d → p??' has confirmed the I = 0 assignment for the?'.
Light Meson Production in Pp Reactions at CELSIUS/WASA Above the [eta] Threshold
![Light Meson Production in Pp Reactions at CELSIUS/WASA Above the [eta] Threshold PDF](https://books.google.com/books/content/images/frontcover/YF8CPwAACAAJ?fife=w80-h100)
Author: Christian PaulyReggeized Central Production of Eta and Eta Prime Mesons
Author: Neil AndersonEta(547) and Eta(958) Meson Photoproduction on the Proton
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Languages : en
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Photoproduction of[eta] and[eta][prime] mesons has been studied at the Continuous Electron Beam Accelerator Facility (CEBAF) Large Acceptance Spectrometer (CLAS) using a tagged photon beam incident on a hydrogen target with photon energies from the respective production thresholds up to 2.4 GeV. The photoproduced mesons were identified via missing mass reconstruction using recoil proton momentum and time of flight information. Data were obtained in a range of[radical]s from threshold to 2.2 GeV for each meson. In this study, differential cross-section measurements for the[gamma]p[yields] p[eta] and[gamma]p[yields] p[eta][prime] reactions are presented, and the results compared to recent data. An isobar analysis of the differential cross-sections is performed. The predicted differential cross-sections from the isobar analysis are used to predict behavior in unmeasured regions of phase space, and to infer total cross sections. For the[gamma]p[yields] p[eta] reaction, a value of the S[sub 11](1535) proton helicity amplitude also was extracted and compared to recent analyses. The data presented greatly extends the energy and angle coverage for differential cross-sections of[eta] photoproduction, and significantly improves the accuracy with which[eta][prime] cross sections are known.
Photoproduction Of Eta And Eta-prime Mesons From The Proton
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Languages : en
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The excitation spectrum of the proton is comprised of many broad overlapping resonances, making investigations of these resonances very challenging. Two excellent tools in helping deconvolve the spectrum are eta and eta-prime meson photoproduction from the proton. Since the beginning of this new millennium, much progress has been made in measuring eta and eta-prime meson photoproduction from the proton. These new measurements are largely in the form of differential cross sections that now cover the first and second resonance regions. In addition to differential cross section data, there have been a comparatively smaller number of beam asymmetry measurements for eta photoproduction. However, these beam asymmetries cover the energy range up to only about E_gamma = 1.5 GeV. In this talk, I will present preliminary Jefferson Lab CLAS data on beam asymmetry for both the eta and eta-prime. I will also discuss how the new measurements will be useful in understanding the structure and exci.
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