James Napolitano | Researchain

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Featured researches published by James Napolitano.

Physical Review C | 2006

Differential cross sections for {gamma}+p{yields}K{sup +}+Y for {lambda} and {sigma}{sup 0} hyperons

Robert Bradford; R. A. Schumacher; John McNabb; L. Todor; M. Bellis; R. Feuerbach; J. Kuhn; J. Lachniet; C. Meyer; B. P. Quinn; Michael L. Williams; Gary Adams; J. P. Cummings; A. Empl; J. Hu; M. Klusman; V. Kubarovsky; James Napolitano; P. Stoler; P. Ambrozewicz

High-statistics cross sections for the reactions {gamma} + p {yields} K{sup +} + {Lambda} and {gamma} + p {yields} K{sup +} + {Sigma}{sup 0} have been measured using CLAS at Jefferson Lab for center-of-mass energies W between 1.6 and 2.53 GeV, and for -0.85 < cos {theta}{sub K{sup +}}{sup c.m.} < +0.95. In the K{sup +}{Lambda} channel we confirm a resonance-like structure near W=1.9 GeV at backward kaon angles. The position and width of this structure change with angle, indicating that more than one resonance is likely playing a role. The K{sup +} {Lambda} channel at forward angles and all energies is well described by a t-channel scaling characteristic of Regge exchange, while the same scaling applied to the K{sup +} {Sigma}{sup 0} channel is less successful. Several existing theoretical models are compared to the data, but none provide a good representation of the results.

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2011

Optical attenuation measurements in metal-loaded liquid scintillators with a long-pathlength photometer

Johnny Goett; James Napolitano; M. Yeh; Richard L. Hahn; James Cumming; S. Hans; R. Rosero; M. V. Diwan; Ken Sexton

Archive | 2004

Exotic Meson Decay to

Max Lu; G. S. Adams; T. Adams; Z. Bar-Yam; J.M. Bishop; V. A. Bodyagin; D.S. Brown; N. M. Cason; S. U. Chung; J. P. Cummings; K. Danyo; A.I. Demianov; S. P. Denisov; V. Dorofeev; J.P. Dowd; P. Eugenio; Xian Fan; A. Gribushin; R.W. Hackenburg; M. Hayek; J. Hu; E. I. Ivanov; D. Joffe; I. Kachaev; W. Kern; E. King; O. Kodolova; V. Korotkikh; Mikhail A Kostin; Johann H. Kuehn

Physical Review D | 2010

Analysis of D^{+}?K^{-}p^{+}e^{+}?_{e} and D^{+}?K^{-}p^{+}^{+}+?_{} semileptonic decays

R. A. Briere; H. Vogel; P. U. E. Onyisi; Jonathan L. Rosner; J. P. Alexander; D. G. Cassel; Subir Kumar Das; R. Ehrlich; L. Fields; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; John F. Hunt; D. L. Kreinick; Viacheslav Slava Kuznetsov; James Ledoux; J. R. Patterson; Dean E. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. Sun; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss

Physical Review D | 2010

Search for ?(2S)???_{c}(2S) via fully reconstructed ?_{c}(2S) decays

D. Cronin-Hennessy; K. Y. Gao; D. T. Gong; J. Hietala; Yoshihiro Kubota; T. Klein; R. Poling; P. Zweber; S. Dobbs; Z. Metreveli; Kamal K. Seth; B. J. Y. Tan; A. Tomaradze; J. Libby; E. C. Martin; A. Powell; Christopher E. Thomas; G. Wilkinson; H. Mendez; J. Y. Ge; D. H. Miller; I. P. J. Shipsey; B. Xin; Gary Adams; D. Hu; B. Moziak; James Napolitano; Karl Matthew Ecklund; Q. He; J. Insler

Physical Review D | 2010

Search for psi(2S)-->gammaetac(2S) via fully reconstructed etac(2S) decays

D. Cronin-Hennessy; K. Y. Gao; D. T. Gong; J. Hietala; Yoshihiro Kubota; T. Klein; R. Poling; P. Zweber; S. Dobbs; Z. Metreveli; Kamal K. Seth; B. J. Y. Tan; A. Tomaradze; J. Libby; E. C. Martin; A. Powell; Christopher E. Thomas; G. Wilkinson; H. Mendez; J. Y. Ge; David R. Miller; I. P. J. Shipsey; B. Xin; Gary Adams; D. Hu; B. Moziak; James Napolitano; Karl Matthew Ecklund; Q. He; J. Insler

Physical Review D | 2010

Branching fractions for ?_{cJ}?pp[over ]p^{0}, pp[over ]?, and pp[over ]?

P. U. E. Onyisi; Jonathan L. Rosner; J. P. Alexander; D. G. Cassel; S. Das; R. Ehrlich; L. Fields; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; J. M. Hunt; D. L. Kreinick; Viacheslav Slava Kuznetsov; James Ledoux; J. R. Patterson; Dean E. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. Sun; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss; S. Adams; M. Kornicer

Physical Review D | 2010

Branching fractions for chicJ-->pppi0, ppeta, and ppomega

P. U. E. Onyisi; Jonathan L. Rosner; J. P. Alexander; D. G. Cassel; S. Das; R. Ehrlich; L. Fields; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; J. M. Hunt; D. L. Kreinick; Viacheslav Slava Kuznetsov; James Ledoux; J. R. Patterson; Dawn E. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. Sun; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss; S. Adams; M. Kornicer

Physical Review D | 2010

Publisher's Note: Analysis of D+-->K-pi+e+nue and D+-->K-pi+mu++numu semileptonic decays [Phys. Rev. DPRVDAQ1550-7998 81, 112001 (2010)]

R. A. Briere; H. Vogel; P. U. E. Onyisi; Jonathan L. Rosner; J. P. Alexander; D. G. Cassel; S. Das; R. Ehrlich; L. Fields; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; J. M. Hunt; D. L. Kreinick; Viacheslav Slava Kuznetsov; James Ledoux; J. R. Patterson; Dawn E. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. Sun; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss

Physical Review D | 2010

Publisher’s Note: Analysis of D^{+}→K^{-}π^{+}e^{+}ν_{e} and D^{+}→K^{-}π^{+}μ^{+}+ν_{μ} semileptonic decays [Phys. Rev. D 81, 112001 (2010)]

R. A. Briere; H. Vogel; P. U. E. Onyisi; Jonathan L. Rosner; J. P. Alexander; D. G. Cassel; S. Das; R. Ehrlich; L. Fields; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; J. M. Hunt; D. L. Kreinick; Viacheslav Slava Kuznetsov; James Ledoux; J. R. Patterson; Dean E. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. Sun; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss

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