CERN Accelerating science

NA61 Papers

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2021-06-11
16:12
$K^0_S$ meson production in inelastic $p+p$ interactions at 158 GeV/$c$ beam momentum measured by NA61/SHINE at the CERN SPS / Acharya, A (NA61/SHINE Collaboration)
The production of $K^0_S$ mesons in inelastic $p+p$ collisions at beam momentum 158 GeV/$c$ ($\sqrt{s_{NN}} = 17.3$ GeV) was measured with the NA61/SHINE spectrometer at the CERN Super Proton Synchrotron. Double-differential distributions were obtained in transverse momentum and rapidity. [...]
CERN-EP-2021-112.- Geneva : CERN, 2021 - 21. Draft (restricted): PDF; Fulltext: PDF;

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2021-05-05
14:27
Measurements of $\Xi(1530)^0$ and $\bar{\Xi}(1530)^0$ production in proton-proton interactions at $\sqrt{s_{NN}}$ = 17.3 GeV in the NA61/SHINE experiment / Acharya, A (NA61/SHINE Collaboration)
Double-differential yields of $\Xi(1530)^0$ and $\bar{\Xi}(1530)^0$ resonances produced in p+p interactions were measured at a laboratory beam momentum of 158 GeV/$c$. This measurement is the first of its kind in p+p interactions below LHC energies. [...]
CERN-EP-2021-078.- Geneva : CERN, 2021 - 20. Draft (restricted): PDF; Fulltext: PDF;

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2021-01-15
18:11
Spectra and mean multiplicities of $\pi ^{-}$ in central${}^{40}$Ar+${}^{45}$Sc collisions at 13A, 19A, 30A, 40A, 75A and 150$A\,\text{ Ge }\text{ V }\!/\!\textit{c}$ beam momenta measured by the NA61/SHINE spectrometer at the CERN SPS / NA61/SHINE Collaboration
The physics goal of the strong interaction program of the NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) is to study the phase diagram of hadronic 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 differential inclusive spectra of transverse momentum, transverse mass and rapidity of $\pi^-$ mesons produced in \textit{central} ${}^{40}$Ar+${}^{45}$Sc collisions at beam momenta of 13A, 19A, 30A, 40A, 75A and 150A GeV/c. [...]
arXiv:2101.08494; CERN-EP-2021-010.- Geneva : CERN, 2021-05-07 - 25 p. - Published in : Eur. Phys. J. C 81 (2021) 397 Draft (restricted): PDF; Fulltext: 2101.08494 - PDF; CERN-EP-2021-010 - PDF; Fulltext from Publisher: PDF;

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2020-10-01
16:25
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 / Acharya, A (NA61/SHINE Collaboration)
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 19$A$, 30$A$, 40$A$, 75$A$ and 150$A$ GeV/$c$. [...]
CERN-EP-2020-187.- Geneva : CERN, 2020 - 52. Draft (restricted): PDF; Fulltext: PDF;

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2020-08-09
10:15
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 / Acharya, A (NA61/SHINE Collaboration)
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 19$A$, 30$A$, 40$A$, 75$A$ and 150$A$ GeV/$c$ obtained by the so-called $h^-$ method which does not require any particle identification. [...]
CERN-EP-2020-150.- Geneva : CERN, 2020 - 31. Draft (restricted): PDF; Fulltext: PDF;

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2020-06-01
12:18
Two-particle correlations in azimuthal angle and pseudorapidity in central $^7$Be+$^9$Be collisions at the CERN Super Proton Synchrotron / Aduszkiewicz, A (NA61/SHINE Collaboration) /NA61
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 19$A$, 30$A$, 40$A$, 75$A$, and 150$A$ GeV/$c$. [...]
CERN-EP-2020-103.- Geneva : CERN, 2020 - 26. Draft (restricted): PDF; Fulltext: PDF;

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2020-05-29
17:34
Measurements of $\Xi^-$ and $\overline{\Xi}^+$ production in proton-proton interactions at $\sqrt{s_{NN}}$ = 17.3 GeV in the NA61/SHINE experiment / Aduszkiewicz, A (NA61/SHINE Collaboration)
The production of $\Xi(1321)^{-}$ and $\overline{\Xi}(1321)^{+}$ hyperons in inelastic p+p interactions is studied in a fixed target experiment at a beam momentum of 158 GeV/$c$. Double differential distributions in rapidity and transverse momentum are obtained from a sample of 33M inelastic events. [...]
CERN-EP-2020-102.- Geneva : CERN, 2020 - 21. Draft (restricted): PDF; Fulltext: PDF;

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2020-01-08
18:20
$K^{*}(892)^0$ meson production in inelastic p+p interactions at 158 GeV/$c$ beam momentum measured by NA61/SHINE at the CERN SPS / Aduszkieiwicz, A (the NA61/SHINE Collaboration) /NA61
$K^{*}(892)^0$ resonance production via its $K^{+}\pi^{-}$ decay mode in inelastic p+p collisions at beam momentum 158 GeV/$c$ ($\sqrt{s_{NN}}=17.3$ GeV) is presented. The data were recorded by the NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron [...]
CERN-EP-2020-002.- Geneva : CERN, 2020 - 36. Draft (restricted): PDF; Fulltext: PDF;

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2019-12-16
13:47
Search for an exotic S=-2, Q=-2 baryon resonance in proton-proton interactions at $\sqrt{s_{NN}}$ = 17.3~GeV / Aduszkieiwicz, A (NA61/SHINE Collaboration) /NA61
Pentaquark states have been extensively investigated theoretically in the context of the constituent quark model. In this paper experimental searches in the $\Xi^-$$\pi^-$, $\Xi^-$$\pi^+$, $\bar{\Xi}^+$$\pi^-$ and $\bar{\Xi}^+$$\pi^+$ invariant mass spectra in proton-proton interactions at $\sqrt{s}$=17.3~GeV are presented [...]
CERN-EP-2019-283.- Geneva : CERN, 2019 - 9. Draft (restricted): PDF; Fulltext: PDF;

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2019-09-12
12:25
Measurements of hadron production in $\pi^{+}$ + C and $\pi^{+}$ + Be interactions at 60 GeV/$c$ / NA61/SHINE Collaboration
Precise knowledge of hadron production rates in the generation of neutrino beams is necessary for accelerator-based neutrino experiments to achieve their physics goals. NA61/SHINE, a large-acceptance hadron spectrometer, has recorded hadron+nucleus interactions relevant to ongoing and future long-baseline neutrino experiments at Fermi National Accelerator Laboratory. [...]
arXiv:1909.06294; CERN-EP-2019-198.- 2019-12-11 - 28 p. - Published in : Phys. Rev. D 100 (2019) 112004 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: 1909.06294 - PDF; fermilab-pub-19-657-ad-nd-scd - PDF; CERN-EP-2019-198 - PDF;

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