Updated determination of 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi>N</mml:mi><mml:mo>*</mml:mo></mml:msup></mml:math>
 resonance parameters using a unitary, multichannel formalism

Hunt, B. C.; Manley, D. M.

doi:10.1103/physrevc.99.055205

Cited by 30 publications

(31 citation statements)

References 29 publications

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“…Our measured γn → K 0 Λ differential cross sections for case (60) and our measured K 0 yields for case (70) were [11]. The solid green curve shows a prediction [36,37] based upon a partial-wave analysis. Figure 14 shows the differential cross section for γn → K 0 Σ 0 as a function of c.m.…”

Section: γN → K 0 σmentioning

confidence: 83%

“…10 show results of two-parameter Legendre polynomial fits to our measurements. The solid green curves show predictions based upon a partial-wave analysis [36,37]. We have checked various factors that might affect the normalizations of our results (e.g., the photon flux N γ and detector acceptance) and have been unable to find any problems that would explain the differences between our results and the low-energy g13 results.…”

Section: γN → K 0 λmentioning

confidence: 92%

“…The solid magenta triangles and solid blue triangles respectively show g10 and g13 results from Compton et al [11]. The solid green curves are a prediction [36,37] based upon a partial-wave analysis. The solid red curves show the results of two-parameter Legendre polynomial fits to our measurements.…”

Section: γN → K 0 λmentioning

confidence: 98%

“…The solid magenta triangles and solid blue triangles, respectively, show the g10 and g13 results from Compton et al [11] measured at JLab. The solid green curve shows a prediction based upon a partial-wave analysis [36,37].…”

Section: γN → K 0 λmentioning

confidence: 99%

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Experimental study of the $ \gamma p \rightarrow K^{0}\Sigma^{+}$, $ \gamma n \rightarrow K^{0} \Lambda$, and $ \gamma n \rightarrow K^{0} \Sigma^{0}$ reactions at the Mainz Microtron

et al. 2019

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This work measured dσ/dΩ for neutral kaon photoproduction reactions from threshold up to a c.m. energy of 1855 MeV, focussing specifically on the γp → K 0 Σ + , γn → K 0 Λ, and γn → K 0 Σ 0 reactions. Our results for γn → K 0 Σ 0 are the first-ever measurements for that reaction. These data will provide insight into the properties of N * resonances and, in particular, will lead to an improved knowledge about those states that couple only weakly to the πN channel. Integrated cross sections were extracted by fitting the differential cross sections for each reaction as a series of Legendre polynomials and our results are compared with prior experimental results and theoretical predictions.

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Section: γN → K 0 σmentioning

confidence: 83%

Section: γN → K 0 λmentioning

confidence: 92%

Section: γN → K 0 λmentioning

confidence: 98%

Section: γN → K 0 λmentioning

confidence: 99%

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Experimental study of the $ \gamma p \rightarrow K^{0}\Sigma^{+}$, $ \gamma n \rightarrow K^{0} \Lambda$, and $ \gamma n \rightarrow K^{0} \Sigma^{0}$ reactions at the Mainz Microtron

et al. 2019

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“…Further, there exist non-resonant background effects which we have not taken into account (see Refs. [83][84][85] for some details).…”

Section: Baryonic Resonances: the δ(1232)mentioning

confidence: 99%

A simple alternative to the relativistic Breit–Wigner distribution

2021

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First, we discuss the conditions under which the non-relativistic and relativistic types of the Breit–Wigner energy distributions are obtained. Then, upon insisting on the correct normalization of the energy distribution, we introduce a Flatté-like relativistic distribution -denominated as Sill distribution- that (i) contains left-threshold effects, (ii) is properly normalized for any decay width, (iii) can be obtained as an appropriate limit in which the decay width is a constant, (iv) is easily generalized to the multi-channel case (v) as well as to a convoluted form in case of a decay chain and - last but not least - (vi) is simple to deal with. We compare the Sill distribution to spectral functions derived within specific QFT models and show that it fairs well in concrete examples that involve a fit to experimental data for the $$\rho $$ ρ , $$a_1(1260)$$ a 1 ( 1260 ) , and $$K^*(982)$$ K ∗ ( 982 ) mesons as well as the $$\varDelta (1232)$$ Δ ( 1232 ) baryon. We also present a study of the $$f_2(1270)$$ f 2 ( 1270 ) which has more than one possible decay channels. Finally, we discuss the limitations of the Sill distribution using the $$a_0(980)$$ a 0 ( 980 ) -$$a_0(1450)$$ a 0 ( 1450 ) and the $$K_0^*(700)$$ K 0 ∗ ( 700 ) -$$K_0^*(1430)$$ K 0 ∗ ( 1430 ) resonances as examples.

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Properties of N, $$\Delta $$ Baryons with Screened Potential

Menapara,

Rai

2024

Few-Body Syst

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Updated determination of N* resonance parameters using a unitary, multichannel formalism

Cited by 30 publications

References 29 publications

Experimental study of the $ \gamma p \rightarrow K^{0}\Sigma^{+}$, $ \gamma n \rightarrow K^{0} \Lambda$, and $ \gamma n \rightarrow K^{0} \Sigma^{0}$ reactions at the Mainz Microtron

Experimental study of the $ \gamma p \rightarrow K^{0}\Sigma^{+}$, $ \gamma n \rightarrow K^{0} \Lambda$, and $ \gamma n \rightarrow K^{0} \Sigma^{0}$ reactions at the Mainz Microtron

A simple alternative to the relativistic Breit–Wigner distribution

Properties of N, $$\Delta $$ Baryons with Screened Potential

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