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Related papers: Distribution of neutron resonance widths

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A new method for investigating the particle size distribution (PSD) is suggested using the nuclear forward scattering (NFS) of synchrotron radiation. The distribution of Weibull-Gnedenko is used to illustrate the relationship between the…

Materials Science · Physics 2010-04-23 A. I. Rykov

I present a brief update on the transverse polarization distributions, focusing on model calculations and phenomenological perspectives.

High Energy Physics - Phenomenology · Physics 2009-10-31 V. Barone

The distribution of masses for neutron stars is analyzed using the Bayesian statistical inference, evaluating the likelihood of proposed gaussian peaks by using fifty-four measured points obtained in a variety of systems. The results…

Solar and Stellar Astrophysics · Physics 2015-05-27 R. Valentim , E. Rangel , J. E. Horvath

We present in this article an overview of the problem of neutron star masses. After a brief appraisal of the methods employed to determine the masses of neutron stars in binary systems, the existing sample of measured masses is presented,…

High Energy Astrophysical Phenomena · Physics 2018-04-25 J. E. Horvath , R. Valentim

We have performed high-precision measurements of the coherent neutron scattering lengths of gas phase molecular hydrogen and deuterium using neutron interferometry. After correcting for molecular binding and multiple scattering from the…

Nuclear Experiment · Physics 2009-11-10 K. Schoen , D. L. Jacobson , M. Arif , P. R. Huffman , T. C. Black , W. M. Snow , S. K. Lamoreaux , H. Kaiser , S. A. Werner

In this talk, I review the status of theoretical understanding of nuclear structure functions and parton distributions and discuss the constraints on nuclear parton distributions from existing data and the global QCD analysis.

Nuclear Theory · Physics 2009-11-07 Jianwei Qiu

The linear relationship between pulsar micro-pulse widths and rotation period is consistent with the existence of a physical length L on the neutron-star surface and seen on the observer arc of transit across the polar cap. Within the…

High Energy Astrophysical Phenomena · Physics 2024-05-15 P B Jones

We quantify the posterior predictive distributions (PPDs) of elastic neutron-deuteron ($nd$) scattering cross sections using nucleon-nucleon ($NN$) interactions from chiral effective field theory ($\chi$EFT) up to and including…

Nuclear Theory · Physics 2023-02-08 Sean B. S. Miller , Andreas Ekström , Christian Forssén

General theory of neutron scattering (elastic and inelastic) is presented. It is applicable for the whole domain of slow neutrons and includes as limiting cases existing theories for thermal and cold neutrons and for elastic scattering of…

Nuclear Theory · Physics 2011-04-15 S. T. Belyaev , A. L. Barabanov

We argue that a width of less than MeV of the new Theta resonance is inconsistent with the observed ratio of resonance and background events in the various photon initiated experiments if the latter can be described by K, K*, etc.,…

High Energy Physics - Phenomenology · Physics 2015-06-25 Aharon Casher , Shmuel Nussinov

Radio observations of neutron star binary pulsar systems have constrained strongly the masses of eight neutron stars. Assuming neutron star masses are uniformly distributed between lower and upper bounds $m_l$ and $m_u$, the observations…

Astrophysics · Physics 2009-01-23 L. S. Finn

We discuss various methods to obtain the resolution volume for neutron scattering experiments, in order to perform absolute normalization on inelastic magnetic neutron scattering data. Examples from previous experiments are given. We also…

Superconductivity · Physics 2014-02-06 Guangyong Xu , Zhijun Xu , J. M. Tranquada

We review the status of the Standard Model theory of neutron beta decay. Particular emphasis is put on the recent developments in the electroweak radiative corrections. Given that some existing approaches give slightly different results, we…

High Energy Physics - Phenomenology · Physics 2023-11-01 Mikhail Gorchtein , Chien-Yeah Seng

Generalized parton distributions describe the distribution of partons in the transverse plane. For transversely polarized quarks and/or nucleons, these impact parameter dependent parton distributions are not axially symmetric. These…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matthias Burkardt

Neutron elastic diffuse scattering experiments performed on Pb(Zn1/3Nb2/3)O3 (PZN) and on its solid solution with PbTiO3(PT), known as PZN-xPT, with x=4.5% and 9% around many reflections show that diffuse scattering is observed around…

Materials Science · Physics 2009-11-07 D. La-Orauttapong , J. Toulouse , Z. -G. Ye , W. Chen , R. Erwin , J. L. Robertson

In this study, two novel improvements for the theoretical calculation of the neutron distributions are presented. First, the available experimental proton distributions are used as a constraint rather than inferred from the calculation.…

Nuclear Theory · Physics 2020-08-26 A. R. Abdulghany

Error estimates on parton density distributions are presently based on the traditional method of least squares minimisation and linear error propagation in global QCD fits. We review the underlying assumptions and the various mathematical…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Botje

The last decade has shown us that the observational properties of neutron stars are remarkably diverse. From magnetars to rotating radio transients, from radio pulsars to `isolated neutron stars,' from central compact objects to millisecond…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Victoria M. Kaspi

A new approach is proposed to describe the parity violation in the process of scattering of a polarized proton by a proton at high energies. It is shown that in the tree approximation the P-odd amplitude of proton-proton scattering is…

High Energy Physics - Phenomenology · Physics 2020-08-07 A. I. Milstein , N. N. Nikolaev , S. G. Salnikov

A remarkably precise observational relation for pulse core component widths of radio pulsars is used to derive stringent limits on pulsar radii, strongly indicating that pulsars are strange stars rather than neutron stars. This is achieved…

Astrophysics · Physics 2009-10-31 R. C. Kapoor , C. S. Shukre
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