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2021-08-20
13:55
DBCoverage [PUBDB-2021-03462] Journal Article
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Measurements of $\pi^-$ production in $^7$Be+$^9$Be collisions at beam momenta from 19$A$ to 150$A$GeV/$c$ in the NA61/SHINE experiment at the CERN SPS
[arXiv:2008.06277]
The NA61/SHINE collaboration studies at the CERN Super Proton Synchrotron (SPS) the onset of deconfinement in hadronic matter by the measurement of particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range. This paper presents results on inclusive double-differential spectra and mean multiplicities of $\pi ^{-}$ mesons produced in the 5% most central$^7$Be + $^9$Be collisions at beam momenta of 19A, 30A, 40A, 75A and 150$A\,\text{ GeV }\!/\!c$ obtained by the so-called $h^-$ method which does not require any particle identification. [...]
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2021-08-20
13:53
DBCoverage [PUBDB-2021-03461] Journal Article
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Measurements of $\pi^\pm$, $K^\pm$, $p$ and $\bar{p}$ spectra in $^7$Be+$^9$Be collisions at beam momenta from 19$A$ to 150$A$ GeV/$c$ with the NA61/SHINE spectrometer at the CERN SPS
[arXiv:2010.01864]
The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onset of deconfinement in hadron matter by a scan of particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range. This paper presents results on inclusive double-differential spectra, transverse momentum and rapidity distributions and mean multiplicities of $\pi ^\pm $, $K^\pm $, p and $\bar{p}$ produced in the 20% most central$^7$Be+$^9$Be collisions at beam momenta of 19A, 30A, 40A, 75A and 150A ${\mathrm{Ge} \mathrm{V}}\!/\!c$. [...]
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2021-08-20
13:47
DBCoverage [PUBDB-2021-03460] Journal Article
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Two-particle correlations in azimuthal angle and pseudorapidity in central $^7\text{Be}+{}^9\text{Be}$ collisions at the CERN Super Proton Synchrotron
[arXiv:2006.02153]
A measurement of charged hadron pair correlations in two-dimensional $\Delta \eta \Delta \phi $  space is presented. The analysis is based on total 30 million central Be + Be collisions observed in the NA61/SHINE detector at the CERN SPS for incident beam momenta of 19A, 30A, 40A, 75A, and 150A $\text {Ge} \text {V}/c$. [...]
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2021-08-20
13:45
DBCoverage [PUBDB-2021-03459] Journal Article
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Measurements of multiplicity fluctuations of identified hadrons in inelastic proton–proton interactions at the CERN Super Proton Synchrotron
[CERN-EP-2020-142; FERMILAB-PUB-20-493-AD-SCD; arXiv:2009.01943]
Measurements of multiplicity fluctuations of identified hadrons produced in inelastic p+p interactions at 31, 40, 80, and 158 $\text {Ge}\text {V}/c$ beam momentum are presented. Three different measures of multiplicity fluctuations are used: the scaled variance $\omega $ and strongly intensive measures $\Sigma $ and $\Delta $. [...]
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2021-08-20
13:43
[PUBDB-2021-03458] Preprint
; ; ; et al
Measurements of $\pi^\pm$, $K^\pm$, $p$ and $\bar{p}$ spectra in $^7$Be+$^9$Be collisions at beam momenta from 19$A$ to 150$A$ GeV/$c$ with the NA61/SHINE spectrometer at the CERN SPS
The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onsetof deconfinement in hadron matter by a scan of particle production in collisions of nuclei withvarious sizes at a set of energies covering the SPS energy range. This paper presents resultson inclusive double-differential spectra, transverse momentum and rapidity distributions andmean multiplicities of p, K, p and ¯ p produced in the 20% most central 7Be+9Be collisionsat beam momenta of 19A, 30A, 40A, 75A and 150A GeV=c. [...]
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2021-08-20
13:40
arXiv [PUBDB-2021-03457] Journal Article
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Electric conductivity in finite-density $SU(2)$ lattice gauge theory with dynamical fermions
[arXiv:2007.05639]
We study the dependence of the electric conductivity on chemical potential in finite-density SU(2) gauge theory with Nf=2 flavors of rooted staggered sea quarks, in combination with Wilson-Dirac and domain-wall valence quarks. The pion mass is reasonably small with mπ/mρ≈0.4. [...]
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2021-08-20
13:38
[PUBDB-2021-03456] Preprint
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Numerical study of the chiral separation effect in two-color QCD at finite density
We study the Chiral Separation Effect (CSE) in finite-density SU(2) lattice gauge theory withdynamical quarks. We find that the CSE is well described by the free quark result in the high-temperature quark-gluon plasma phase. [...]
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2021-08-20
13:33
[PUBDB-2021-03455] Preprint
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Spectra and mean multiplicities of $\pi^{-}$ in $central$ ${}^{40}$Ar+${}^{45}$Sc collisions at 13$A$, 19$A$, 30$A$, 40$A$, 75$A$ and 150$A$ GeV/$c$ beam momenta measured by the NA61/SHINE spectrometer at the CERN SPS
The physics goal of the strong interaction program of the NA61/SHINE experiment atthe CERN Super Proton Synchrotron (SPS) is to study the phase diagram of hadronicmatter by a scan of particle production in collisions of nuclei with various sizes ata set of energies covering the SPS energy range. This paper presents differentialinclusive spectra of transverse momentum, transverse mass and rapidity of − mesonsproduced in central 40Ar+45Sc collisions at beam momenta of 13A, 19A, 30A, 40A,75A and 150AGeV/c. [...]
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2021-08-20
13:29
[PUBDB-2021-03454] Journal Article
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A Multitechnique Study of Fluorinated Nanodiamonds for Low-Energy Neutron Physics Applications
Data of quasi-specular reflection of cold neutrons, prompt-γ neutron analysis, X-ray Raman scattering (XRS) and neutron Pair distribution function (PDF) analysis with powder of detonation nanodiamonds are analyzed to collect their structural properties and chemical composition. Both as-synthesized and purified were studied using fluorination samples. [...]
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2021-08-20
13:23
arXiv [PUBDB-2021-03453] Journal Article
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Measurement of the production cross section of 31 GeV/$c$ protons on carbon via beam attenuation in a 90-cm-long target
[CERN-EP-2020-198; arXiv:2010.11819]
The production cross section of 30.92 GeV/c protons on carbon is measured by the NA61/SHINE spectrometer at the CERN Super Proton Synchrotron by means of beam attenuation in a copy (replica) of the 90-cm-long target of the T2K neutrino oscillation experiment. The employed method for direct production cross-section estimation minimizes model corrections for elastic and quasielastic interactions. [...]
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