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A semiclassical distorted wave (SCDW) model with Wigner transform of one-body density matrix is presented for multistep direct $(p,p^{\prime}x)$ reactions to the continuum. The model uses Wigner distribution functions obtained in methods…

核理论 · 物理学 2007-05-23 M. K. Gaidarov , Y. Watanabe , K. Ogata , M. Kohno , M. Kawai , A. N. Antonov

Using symmetric 112Sn+112Sn, 124Sn+124Sn collisions as references, we probe isospin diffusion in peripheral asymmetric 112Sn+124Sn, 124Sn+112Sn systems at incident energy of E/A=50 MeV. Isoscaling analyses imply that the quasi-projectile…

A new approach is presented to determine the proton-nucleus interactions from the analysis of the accompanying photon bremsstrahlung. We study the scattering of $p + ^{208}{\rm Pb}$ at the proton incident energies of 140 and 145~MeV, and…

核理论 · 物理学 2015-03-26 Sergei P. Maydanyuk , Peng-Ming Zhang

The analysing power measurements for the p(pol)p -> pp eta reaction studied in this dissertation are used in the determination of the reaction mechanism of the eta meson production in nucleon-nucleon collisions. Measurements have been…

核实验 · 物理学 2007-05-23 R. Czyzykiewicz

Theoretical antiproton and proton cross sections for ionization and excitation of hydrogen molecules as well as energy spectra of the ionized electrons were calculated in the impact-energy range from 8 to 4000 keV. The cross sections were…

原子物理 · 物理学 2009-11-13 Armin Lühr , Alejandro Saenz

The challenge of isotopic identification over a wide angular distribution has limited the measurement of neutron-rich nuclei produced via the multinucleon transfer (MNT) process. To investigate the optimal detection angles for the N=126…

核理论 · 物理学 2023-04-17 Zehong Liao , Long Zhu , Zepeng Gao , Jun Su , Cheng Li

We calculate the two-step contribution to (p,p') and (p,n) reactions at intermediate energy. We describe the motion of the incident nucleon with plane wave and compare the contribution from the two-step processes with that from the one-step…

核理论 · 物理学 2009-10-31 Y. Nakaoka , M. Ichimura

With analytical representation for the pp scattering amplitudes introduced and tested at lower energies, a description of high precision is given of the $d\sigma/dt$ data at $\sqrt{s}$= 13 TeV for all values of the momentum transfer, with…

高能物理 - 唯象学 · 物理学 2021-03-25 E. Ferreira , A. K. Kohara , T. Kodama

Systematics have been created for neutron spectra from the 7Li(p,n) reaction at 0 deg in the 50-200 MeV proton energy region. The available experimental data in the continuum part of the spectra show satisfactory overall agreement with a…

核理论 · 物理学 2007-05-23 Alexander Prokofiev , Mark Chadwick , Stepan Mashnik , Nils Olson , Laurie Waters

We employ a simple multiple scattering model to investigate the inclusive reaction p + A --> p + X for projectile momenta in the 100-200 GeV/c range. We find that data are consistent with a class of interaction models in which the stopping…

天体物理学 · 物理学 2011-05-12 G. M. Frichter , T. K. Gaisser , T. Stanev

For the first time, the nuclear effects in the reaction \nu p -> \mu^- p \pi^+ on bound protons are investigated at E_\nu = 9 GeV and the effective atomicweight A = 21 of the composite nuclear target using the data obtained with SKAT bubble…

高能物理 - 实验 · 物理学 2011-01-18 N. M. Agababyan , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Karamyan , V. A. Korotkov

A study of interaction of neutron rich oxygen isotopes $^{17,18}$O with light targets has been undertaken in order to determine the optical potentials needed for the transfer reaction $^{13}$C($^{17}$O,$^{18}$O)$^{12}$C. Optical potentials…

核实验 · 物理学 2015-06-19 T. Al-Abdullah , F. Carstoiu , C. A. Gagliardi , G. Tabacaru , L. Trache , R. E. Tribble

Adiabatic distorted-wave approximation (ADWA) study of three-body $(d,p)$ transfer reactions [G.W. Bailey, N.K. Timofeyuk, and J.A. Tostevin, Phys. Rev. Lett. 117, 162502 (2016)] reported strong sensitivity of cross sections to the…

核理论 · 物理学 2018-09-26 A. Deltuva

Nucleon-nucleon (NN) cross sections are evaluated in neutron-rich matter using a scaling model according to nucleon effective masses. It is found that the in-medium NN cross sections are not only reduced but also have a different isospin…

核理论 · 物理学 2008-11-26 Bao-An Li , Lie-Wen Chen

Inelastic proton scattering under extreme forward angles including $0^\circ$ and at energies of a few hundred MeV has been established as a new spectroscopic tool for the study of complete dipole strength distributions in nuclei. Such data…

核实验 · 物理学 2020-05-11 Peter von Neumann-Cosel , Atsushi Tamii

An analysis of all experimental data of 50's - 90's on elastic gamma-p scattering at photon energies below 150 MeV (10 experimental works) is performed in order to determine the electric (alpha_p) and magnetic (beta_p) polarizabilities of…

核实验 · 物理学 2007-05-23 P. S. Baranov , A. I. L'vov , V. A. Petrun'kin , L. N. Shtarkov

The diffraction slope parameter is investigated for elastic proton-proton and proton-antiproton scattering based on the all available experimental data at low and intermediate momentum transfer values. Energy dependence of the elastic…

高能物理 - 唯象学 · 物理学 2015-01-05 V. A. Okorokov

The discussion is focused on the study of the fundamental symmetries ($\mathcal{P/CP}$) of QCD and geometry of the particle source. The combination of correlators corresponding to the absolute asymmetry of distribution of electrically…

核实验 · 物理学 2016-08-22 V. A. Okorokov

We calculate proton elastic and inelastic scatterings with a microscopic coupled channel (MCC) calculation. The localized diagonal and coupling potentials including the spin-orbit part are obtained by folding a complex $G$-matrix effective…

核理论 · 物理学 2021-04-07 T. Furumoto , M. Takashina

A new method to calculate cross sections for $(p,pn)$ and $(p,2p)$ reactions measured under inverse kinematics conditions is proposed. The method uses the prior form of the scattering transition amplitude, and replaces the exact three-body…

核理论 · 物理学 2015-10-28 Antonio M. Moro