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200 papers

This the user's manual for SHARE version 2. SHARE (Statistical Hadronization with Resonances) is a collection of programs designed for the statistical analysis of particle production in relativistic heavy-ion collisions. While the structure…

Nuclear Theory · Physics 2008-11-26 G. Torrieri , S. Jeon , J. Letessier , J. Rafelski

Primordial or Big Bang nucleosynthesis (BBN) is one of the three strong evidences for the Big- Bang model together with the expansion of the Universe and the Cosmic Microwave Background radiation. In this study, we improve the standard BBN…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Alain Coc , Stephane Goriely , Yi Xu , Matthias Saimpert , Elisabeth Vangioni

The remarkable agreement between observations of the primordial light element abundances and the corresponding theoretical predictions within the standard cosmological history provides a powerful method to constrain physics beyond the…

High Energy Physics - Phenomenology · Physics 2021-03-31 Paul Frederik Depta , Marco Hufnagel , Kai Schmidt-Hoberg

We analyze in details the standard Primordial Nucleosynthesis scenario. In particular we discuss the key theoretical issues which are involved in a detailed prediction of light nuclide abundances, as the weak reaction rates, neutrino…

Astrophysics · Physics 2018-03-23 P. D. Serpico , S. Esposito , F. Iocco , G. Mangano , G. Miele , O. Pisanti

The PYTHIA program can be used to generate high-energy-physics `events', i.e. sets of outgoing particles produced in the interactions between two incoming particles. The objective is to provide as accurate as possible a representation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Torbjörn Sjöstrand , Leif Lönnblad , Stephen Mrenna

Photo-induced reaction cross section data are of importance for a variety of current or emerging applications, such as radiation shielding design and radiation transport analyses, calculations of absorbed dose in the human body during…

This paper is about the available hadroproduction data to be used for the tuning of neutrino beamline simulations, going from conventional neutrino beams to superbeams and neutrino factories. Comparisons of data with existing Monte Carlo…

High Energy Physics - Experiment · Physics 2009-04-14 M. Bonesini

Neutron multiplicity is a key observable in recent neutrino experiments that can enhance the sensitivity of various neutrino physics searches. Nuclear deexcitation plays a significant role in neutron emissions associated with…

High Energy Physics - Experiment · Physics 2025-12-16 Seisho Abe

We take a fresh look at the limits on the number of neutrino flavors derived from big bang nucleosynthesis. In particular, recent measurements of the \he4 abundance enable one to estimate the primordial \he4 mass fraction at $Y_p = 0.232…

High Energy Physics - Phenomenology · Physics 2016-09-01 Keith A. Olive , Gary Steigman

We present a simple method for determining the (correlated) uncertainties of the light element abundances expected from big bang nucleosynthesis, which avoids the need for lengthy Monte Carlo simulations. Our approach helps to clarify the…

Astrophysics · Physics 2009-10-07 G. Fiorentini , E. Lisi , Subir Sarkar , F. L. Villante

Four light isotopes - D, ^3He, ^4He and ^7Li - were produced by nuclear reactions a few seconds after the big bang. New measurements of ^3He in the ISM by Gloeckler and Geiss and of deuterium in high redshift hydrogen clouds by Tytler and…

Astrophysics · Physics 2009-10-30 David N. Schramm , Michael S. Turner

A new accurate evaluation of primordial light nuclei abundances is presented. The proton to neutron conversion rates have been corrected to take into account radiative effects, finite nucleon mass, thermal and plasma corrections. The…

Astrophysics · Physics 2009-10-31 S. Esposito , G. Mangano , G. Miele , O. Pisanti

For a brief time in its early evolution the Universe was a cosmic nuclear reactor. The expansion and cooling of the Universe limited this epoch to the first few minutes, allowing time for the synthesis in astrophysically interesting…

Cosmology and Nongalactic Astrophysics · Physics 2010-09-27 Gary Steigman

Applications ranging from nuclear safeguards to dark matter detection require accurate predictions of neutron yields and energy spectra produced by ($\alpha$,n) reactions. Legacy tools like SOURCES-4C remain widely used despite significant…

Computational Physics · Physics 2026-05-22 Divit Rawal , Anthony J. Nelson , William Zywiec , Daniel Siefman

The impact of recent results on Big Bang Nucleosynthesis is assessed. These include the Planck likelihood distributions for the baryon density; recent progress in helium abundance determinations; and a recent cross section measurement for…

High Energy Physics - Phenomenology · Physics 2021-05-11 Keith A. Olive

The production of light hypernuclei in relativistic heavy-ion collisions provides a unique opportunity to probe hyperon--nucleon interactions and possible three-body forces, which are central to the resolution of the hyperon puzzle in…

Nuclear Theory · Physics 2026-03-17 Yue Hang Leung , Yingjie Zhou , Norbert Herrmann

We present a brief review of Big Bang Nucleosynthesis (BBN). We discuss theoretical and observational uncertainties in deuterium and helium-4 primordial abundances and their implications for the determination of important cosmological…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. L. Villante , A. D. Dolgov

The measurement of the production of deuterons, tritons and $^{3}\mathrm{He}$ and their antiparticles in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV is presented in this article. The measurements are carried out at midrapidity…

Nuclear Experiment · Physics 2023-06-22 ALICE Collaboration

We extend the model-independent likelihood analysis of big bang nucleosynthesis (BBN) based on He4 and Li7 to allow for numbers of degrees of freedom which differ from the standard model value characterized by $N_\nu = 3$. We use the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Keith A. Olive , David Thomas

New calculations of the time evolution and isotopic composition for a network of nuclear reactions breathe new life into an old idea in nuclear fusion, burning solid room temperature lithium-6 deuteride ($^6$LiD) with neutrons. Modern-day…