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Bibliographies thématiques / MHV scattering amplitudes

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Articles de revues

Littérature scientifique sur le sujet « MHV scattering amplitudes »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 10 mars 2023

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Articles de revues sur le sujet "MHV scattering amplitudes"

1

Wu, Jun-Bao, and Chuan-Jie Zhu. "MHV Vertices and Scattering Amplitudes in Gauge Theory." Journal of High Energy Physics 2004, no. 07 (2004): 032. http://dx.doi.org/10.1088/1126-6708/2004/07/032.

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2

ANTONIADIS, IGNATIOS, and GEORGE SAVVIDY. "CONFORMAL INVARIANCE OF TENSOR BOSON TREE AMPLITUDES." Modern Physics Letters A 27, no. 18 (2012): 1250103. http://dx.doi.org/10.1142/s0217732312501039.

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The BCFW recursion relation allows to find out the tree-level scattering amplitudes for gluons and tensor gauge bosons in generalized Yang–Mills theory. We demonstrate that the corresponding MHV amplitudes for the tensor gauge bosons of spin-s and n gluons are invariant under conformal group of transformations. This is highly unexpected result for the higher-spin particles, in particular this is not true for the scattering amplitudes of gravitons. We discuss and compare the tree-level scattering amplitudes for the charged tensor bosons with the corresponding scattering amplitudes for gravitons

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3

GEORGIOU, GEORGE, and GEORGE SAVVIDY. "PRODUCTION OF NON-ABELIAN TENSOR GAUGE BOSONS TREE AMPLITUDES AND BCFW RECURSION RELATION." International Journal of Modern Physics A 26, no. 15 (2011): 2537–55. http://dx.doi.org/10.1142/s0217751x1105350x.

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The BCFW recursion relation is used to calculate tree-level scattering amplitudes in generalized Yang–Mills theory and, in particular, four-particle amplitudes for the production rate of non-Abelian tensor gauge bosons of arbitrary high spin in the fusion of two gluons. The consistency of the calculations in different kinematical channels is fulfilled when all dimensionless cubic coupling constants between vector bosons and high spin non-Abelian tensor gauge bosons are equal to the Yang–Mills coupling constant. We derive a generalization of the Parke–Taylor formula in the case of production of

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4

Wu, Jun-Bao, and Chuan-Jie Zhu. "MHV Vertices and Fermionic Scattering Amplitudes in Gauge Theory with Quarks and Gluinos." Journal of High Energy Physics 2004, no. 09 (2004): 063. http://dx.doi.org/10.1088/1126-6708/2004/09/063.

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5

KIM, YONG JOO, and MOON HOE CHA. "COULOMB-MODIFIED EIKONAL MODEL ANALYSIS OF REFRACTIVE12C+12CELASTIC SCATTERING AT Elab= 240 AND 360MeV." International Journal of Modern Physics E 11, no. 03 (2002): 211–19. http://dx.doi.org/10.1142/s0218301302000764.

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We present the Coulomb-modified eikonal model by using a tangential velocity at the distance of closest approach. The Fraunhöfer oscillations observed in the elastic angular distributions of the12C +12C system at Elab= 240 and 360 MeV can be explained due to the strong interference between the near- and far-side scattering amplitudes. We have found that the strongly real and weakly imaginary potentials are required to describe the refractive12C +12C elastic scatterings at Elab= 240 and 360 MeV. The refractive pattern, dominated by the far-side component of the scattering amplitude, can be show

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6

YAHYA, G. A. "DEFORMED OPTICAL POTENTIAL ANALYSES FOR P+12C." International Journal of Modern Physics E 13, no. 04 (2004): 851–66. http://dx.doi.org/10.1142/s0218301304002508.

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The high energy single folding optical potential approximation is studied to calculate the differential cross-section for proton elastic scattering of 12 C at 156 MeV and 1440 MeV and 12 C for state 2+ (4.44 MeV) at 1440 MeV. A Gaussian nuclear density distribution was used for the proton and Gaussian and Brink nuclear density distributions for the 12 C target. We used the following three effects to derive twelve different methods for the central optical potential: (i) Love and Franey and the Gaussian amplitudes, with the Brink and one-term Gaussian nuclear density distributions, (ii) Pauli co

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7

KHAN, Z. A., DEEKSHA CHAUHAN, and MINITA SINGH. "ANALYSIS OF p-4, 6, 8He AND p-6, 9, 11Li SCATTERING." International Journal of Modern Physics E 22, no. 11 (2013): 1350082. http://dx.doi.org/10.1142/s0218301313500821.

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Using the Coulomb modified Glauber model, we analyze the elastic scattering of protons from He and Li isotopes at 60 MeV and 72 MeV. The calculations require two inputs; the nucleon–nucleon (NN) amplitude and the nucleon density distributions in target nuclei. The central part of the NN amplitude is taken from the available NN scattering observables. To find the spin-dependent part, we employ p-4 He scattering data to fix its parameter values. For target nuclei, we use nucleon density distributions available in the literature. The NN amplitude, as obtained in this work, is then used to study t

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8

Niskanen, J. A. "THE FORWARD AMPLITUDE IN LOW ENERGY $P\bar P$ SCATTERING." Modern Physics Letters A 03, no. 01 (1988): 57–64. http://dx.doi.org/10.1142/s021773238800009x.

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It is shown that the abrupt rise of around 200 MeV/c in the real-to-imaginary ratio ρ of the forward scattering amplitude in low energy [Formula: see text] scattering is not due to the [Formula: see text] threshold or approximations in the treatment of the coulomb nuclear interference. The latter breaks down below Plab≈100 MeV/c. The possibility of a potential resonance is discussed.

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9

Bartels, J., L. N. Lipatov, and A. Prygarin. "MHV amplitude for 3→3 gluon scattering in Regge limit." Physics Letters B 705, no. 5 (2011): 507–12. http://dx.doi.org/10.1016/j.physletb.2011.09.061.

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10

KIM, YONG JOO, and MOON HOE CHA. "COULOMB-MODIFIED EIKONAL PHASE SHIFT ANALYSIS BASED ON HYPERBOLIC TRAJECTORY FOR 12C + 12C ELASTIC SCATTERINGS." International Journal of Modern Physics E 13, no. 02 (2004): 439–50. http://dx.doi.org/10.1142/s0218301304002296.

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We present a Coulomb-modified eikonal model formalism based on hyperbolic trajectory for heavy-ion elastic scattering. This formalism has been applied satisfactorily to elastic scatterings of the 12 C + 12 C system at E lab =240, 360 and 1016 MeV. The presence of a nuclear rainbow in this system is evidenced through a classical deflection function. The Fraunhöfer oscillations observed in the elastic angular distributions can be explained due to interference between the near- and far-side amplitudes. We have found that the hyperbolic trajectory effect on the eikonal model is important when the

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