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Related papers: Solar-neutrino reactions on deuteron in effective …

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The cross sections for the \nu-d and \bar{\nu}-d reactions are calculated for the incident energy up to E_\nu = 170 MeV, with the use of a phenomenological Lagrangian approach. We assess and improve the reliability of the employed…

Nuclear Theory · Physics 2014-11-18 S. Nakamura , T. Sato , V. Gudkov , K. Kubodera

We study breakup of the deuteron induced by neutrinos in the neutral $\nu d\to \nu np$, $\bar{\nu} d\to \bar{\nu} np$ and the charged $\bar{\nu} d\to e^+ n n$, $\nu d\to e^- pp$ processes. Pionless effective field theory with dibaryon…

Nuclear Theory · Physics 2020-06-24 Shung-Ichi Ando , Young-Ho Song , Chang Ho Hyun

Starting from chiral Lagrangians, possessing the SU(2)_L x SU(2)_R local chiral symmetry, we derive weak axial one-boson exchange currents in the leading order in the 1/M expansion (M is the nucleon mass). We apply these currents in…

Nuclear Theory · Physics 2011-07-19 B. Mosconi , P. Ricci , E. Truhlik

We study radiative corrections to neutron beta decay and low-energy (anti)neutrino-nucleon scattering within a top-down effective field theory approach. As it was recently shown, a few electromagnetic and electroweak low-energy coupling…

High Energy Physics - Phenomenology · Physics 2023-05-02 Oleksandr Tomalak

In interpreting the SNO experiments, accurate estimates of the \nu d reaction cross sections are of great importance. In our recent work, we have improved our previous calculation by updating some of its inputs and by incorporating the…

Nuclear Theory · Physics 2014-11-18 S. Nakamura , T. Sato , S. Ando , T. -S. Park , F. Myhrer , V. Gudkov , K. Kubodera

The differential cross-sections for elastic and inelastic neutrino-deuteron scattering are calculated analytically using nucleon-nucleon effective field theory. For elastic scattering, the deuteron axial form factor and the deuteron strange…

Nuclear Theory · Physics 2009-10-31 Malcolm Butler , Jiunn-Wei Chen

In interpreting the SNO experiments, very accurate estimates of the \nu d reaction cross sections are of great importance. We improve the previous estimates of our group by updating some of its inputs and by taking into account the results…

Nuclear Theory · Physics 2014-11-18 S. Nakamura , T. Sato , S. Ando , T. -S. Park , F. Myhrer , V. Gudkov , K. Kubodera

We study the four channels associated with neutrino-deuteron breakup reactions at next-to-next to leading order in effective field theory. We find that the total cross-section is indeed converging for neutrino energies up to 20 MeV, and…

Nuclear Theory · Physics 2009-11-06 Malcolm Butler , Jiunn-Wei Chen , Xinwei Kong

Model dependence of the reaction rates for the weak breakup of deuterons by low energy neutrinos is studied starting from the cross sections derived from potential models and also from pionless effective field theory. Choosing the spread of…

Nuclear Theory · Physics 2008-11-26 B. Mosconi , P. Ricci , E. Truhlik , P. Vogel

Cross sections for inclusive neutrino scattering off deuteron induced by neutral and charge-changing weak currents are calculated from threshold up to 150 MeV energies in a chiral effective field theory including high orders in the power…

Nuclear Theory · Physics 2017-07-26 A. Baroni , R. Schiavilla

Deuteron-deuteron elastic scattering and transfer reactions in the energy regime above four-nucleon breakup threshold are described by solving exact four-particle equations for transition operators. Several realistic nuclear interaction…

Nuclear Theory · Physics 2015-02-09 A. Deltuva , A. C. Fonseca

We examine a potential role of the neutrino deuteron reactions in the mechanism of supernova explosion by evaluating the energy transfer cross section for the neutrino heating. We calculate the energy loss rate due to the neutrino…

Nuclear Theory · Physics 2009-11-06 S. X. Nakamura , K. Sumiyoshi , T. Sato

I summarize three recent calculations of electromagnetic reactions on deuterium in chiral perturbation theory. All of these calculations were carried out to O(Q^4), i.e. next-to-next-to-leading order. The reactions discussed here are:…

Nuclear Theory · Physics 2009-11-07 Daniel Phillips

The neutron-neutron fusion process, $nn\to de\nu$, at very low neutron energies is studied in the framework of pionless effective field theory that incorporates dibaryon fields. The cross section and electron energy spectrum for this…

Nuclear Theory · Physics 2009-11-11 Shung-ichi Ando , Kuniharu Kubodera

The present status of the nuclear reaction rates determining the solar neutrino flux is discussed. This includes the reaction rates for the two branching ratios of the three pp-chains involving the reactions 3He(3He,2p)4He and…

Nuclear Theory · Physics 2008-11-26 H. Oberhummer , A. N. Ivanov , N. I. Troitskaya , M. Faber

Recently the nucleon-nucleon interaction derived using time-ordered perturbation theory in manifestly Lorentz-invariant chiral effective field theory was shown to yield promising results for peripheral neutron-proton scattering. In this…

Nuclear Theory · Physics 2026-05-13 Xiu-Lei Ren , E. Epelbaum , J. Gegelia

We calculate elastic electron-deuteron scattering in a chiral effective field theory approach for few-nucleon systems based on a modified Weinberg power counting. We construct the current operators and the deuteron wave function at…

Nuclear Theory · Physics 2009-11-07 Markus Walzl , Ulf-G. Meißner

Response functions, differential cross sections and total cross sections for several (anti)neutrino induced reactions on 2H, 3He and 3H are calculated in momentum space for (anti)neutrino energies up to 160 MeV, using the AV18…

Nuclear Theory · Physics 2020-01-01 J. Golak , R. Skibinski , K. Topolnicki , H. Witala , A. Grassi , H. Kamada , L. E. Marcucci

The cross section for radiative thermal neutron capture on ${}^{3}He$ ($\He3 +n \to \He4 +\gamma$; known as the $hen$ reaction) is calculated based on heavy-baryon chiral perturbation theory. The relevant M1 operators are derived up to…

Nuclear Theory · Physics 2011-05-09 Rimantas Lazauskas , Young-Ho Song , Tae-Sun Park

The radiative corrections of order $\alpha$ for the charged and neutral current neutrino-deuterium disintegration for energies relevant to the SNO experiment are evaluated. Particular attention is paid to the issue of the bremsstrahlung…

Nuclear Theory · Physics 2009-11-07 A. Kurylov , M. J. Ramsey-Musolf , P. Vogel
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