Off-shell effects in the electromagnetic production of strangeness
TLDR
In this paper, the photo-and electro-production of strangeness off the proton, based upon effective hadronic Lagrangians, are extended to incorporate the so called off-shell effects inherent to the fermions with spin >= 3/2.Abstract:
Previous approaches to the photo- and electro-production of strangeness off the proton, based upon effective hadronic Lagrangians, are extended here to incorporate the so called off-shell effects inherent to the fermions with spin >= 3/2. A formalism for intermediate-state, spin 3/2, nucleonic and hyperonic resonances is presented and applied to the processes $\gamma + p ---> K^{+} + \Lambda$, for $E_{\gamma}^{lab}$ e' + K^+ + \Lambda$, as well as the branching ratio for the crossed channel reaction $K^- + p ---> \gamma + \Lambda$, with stopped kaons. The sensitivity, from moderate to significant, of various observables to such effects are discussed.read more
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TL;DR: In this paper, a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) is presented.
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Spectroscopy of Λ hypernuclei
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Coupled-channel study of γp→K+Λ
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Phenomenological model for the $ \overline{{K}}$ N $ \rightarrow$ K $ \Xi$ reaction
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Photoproduction of neutral kaons on a liquid deuterium target in the threshold region
Kyo Tsukada,T. Takahashi,T. Watanabe,Yu Fujii,Kenta Futatsukawa,Osamu Hashimoto,Kentaro Hirose,Katsushi Ito,S. Kameoka,H. Kanda,Kazushige Maeda,A. Matsumura,Y. Miura,Haruhisa Miyase,Satoshi Nakamura,Hiroshi Nomura,K. Nonaka,T. Osaka,Y. Okayasu,Hirokazu Tamura,Hiroaki Tsubota,Mifuyu Ukai,H. Yamauchi,M. Wakamatsu,Takatsugu Ishikawa,Toyohiko Kinoshita,Fusashi Miyahara,T. Nakabayashi,Hajime Shimizu,Tadaaki Tamae,Hirohito Yamazaki,A. Sasaki,Osamu Konno,P. Bydžovský,M. Sotona +34 more
TL;DR: In this paper, the photoproduction process of neutral kaons on a liquid deuterium target is investigated near the threshold region, and the experimental momentum spectra are compared with those calculated in the spectator model using a realistic deuteron wave function.
References
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Phd by thesis
TL;DR: In this paper, a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) is presented.
Journal ArticleDOI
SU(3) chiral dynamics with coupled channels eta and kaon photoproduction
TL;DR: In this paper, the s-wave amplitudes of the SU(3) chiral meson-baryon Lagrangian with a coupled channel potential were identified in a Lippmann-Schwinger equation, and the strangeness S = −1 resonance Λ(1405) and the S 11(1535) nucleon resonance emerged as quasi-bound states of anti-kaon/nucleon and kaon/Σ-hyperon.
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Problems of describing spin-(3/2 baryon resonances in the effective Lagrangian theory
M. Benmerrouche,M. Benmerrouche,R. M. Davidson,R. M. Davidson,Nimai C. Mukhopadhyay,Nimai C. Mukhopadhyay +5 more
TL;DR: Some important theoretical issues associated with the treatment of the spin-3/2 baryons in the effective Lagrangian theory are investigated, including the form of thespin- 3/2 particle propagator, off-shell parameters involving the spins, strategies of implementing gauge invariance, and unitarity, and the experience on theelta..(1232) resonance are invoked.
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Electromagnetic production of associated strangeness.
TL;DR: A formalism, based on an isobaric approach using Feynman diagrammatic techniques, which includes the nucleonic, hyperonic, and kaonic resonances, is developed, and the main findings are compared with the results of other recent phenomenological studies.
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