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1. Measurements of multiplicity fluctuations of identified hadrons in inelastic proton–proton interactions at the CERN Super Proton Synchrotron

Author

V. Babkin, M. Ravonel, H. J. Mathes, Miroslaw Marek Kielbowicz, Markus Roth, V. Paolone, Antoni Aduszkiewicz, A. Blondel, O. Busygina, V. I. Kolesnikov, E. Rondio, H. Ströbele, E. D. Zimmerman, M. Lewicki, J. Cybowska, D. Tefelski, W. Bryliński, K. Wojcik, N. Kargin, V. A. Kireyeu, A. Bravar, Vitalii Ozvenchuk, M. Kuich, F.F. Valiev, A. Sadovsky, Ł. Mik, A. Marcinek, Rainer Arno Ernst Renfordt, O. Golosov, O. Petukhov, Z. Fodor, A. Zaitsev, Andras Laszlo, A. Damyanova, M. Rumyantsev, O. Wyszyński, P. Staszel, V. Tereshchenko, Darko Veberič, M. Ćirković, Alexander Malakhov, Michal Koziel, M. Posiadala-Zezula, Alexey Kurepin, Dag Larsen, A. Rustamov, M. Słodkowski, J. Brzychczyk, Ralph Engel, Maciej Rybczyński, T. Antičić, S. R. Johnson, B. Maksiak, H. Adhikary, T. Susa, D. S. Prokhorova, D. Kolev, A. Korzenev, L. Fields, A. Dmitriev, K. K. Allison, A. V. Brandin, Dieter Røhrich, B. A. Popov, I. Pidhurskyi, D. Pszczel, Viktor Matveev, B. Messerly, Ludwik Turko, P. Dorosz, H. Cherif, B. Porfy, B. T. Rumberger, T. Matulewicz, A. Taranenko, Z. Majka, Andrzej Rybicki, M. Deliyergiyev, Katarzyna Grebieszkow, S. Puławski, P. Seyboth, A. O. Merzlaya, J. Stepaniak, Marek Gaździcki, A. Haesler, Vladimir Vechernin, S. V. Morozov, S. Kowalski, I. Selyuzhenkov, A. Wickremasinghe, G. A. Feofilov, K. Schmidt, N. Davis, K. Łojek, S. Sadhu, V. Klochkov, Vladimir Kovalenko, R. Zwaska, Kreso Kadija, Wojciech Kucewicz, M. Buryakov, Evgeny Andronov, M. Maćkowiak-Pawłowska, K. Marton, E. Kashirin, A. Yu. Seryakov, Ralf Ulrich, Mateusz Baszczyk, M.B. Golubeva, P. Podlaski, Adam Bzdak, M. Unger, J. Puzović, R. Tsenov, V. V. Lyubushkin, G. L. Melkumov, A. D. Marino, A. Tefelska, M. Strikhanov, S. Ilieva, Alberica Toia, V.M. Golovatyuk, A. Ivashkin, Mate Csanad, Tatiana Lazareva, Michael Deveaux, R. Płaneta, M. Naskręt, M. Bogomilov, G. Stefanek, F.F. Guber, S. Bhosale, Tobiasz Czopowicz, J. Dumarchez, A. Acharya, D. Uzhva, Alexey Krasnoperov, Y. Nagai, S.N. Igolkin, W. Dominik, and A. Garibov

Subjects
Physics, Large Hadron Collider, Physics and Astronomy (miscellaneous), Proton, 010308 nuclear & particles physics, Hadron, Multiplicity (mathematics), 01 natural sciences, Super Proton Synchrotron, Omega, Particle identification, Momentum, Nuclear physics, 0103 physical sciences, 010306 general physics, Engineering (miscellaneous)
Abstract

Measurements of multiplicity fluctuations of identified hadrons produced in inelastic p+p interactions at 31, 40, 80, and 158 $$\text {Ge}\text {V}/c$$ Ge / c beam momentum are presented. Three different measures of multiplicity fluctuations are used: the scaled variance $$\omega $$ ω and strongly intensive measures $$\Sigma $$ Σ and $$\Delta $$ Δ . These fluctuation measures involve second and first moments of joint multiplicity distributions. Data analysis is preformed using the Identity method which corrects for incomplete particle identification. Strongly intensive quantities are calculated in order to allow for a direct comparison to corresponding results on nucleus–nucleus collisions. The results for different hadron types are shown as a function of collision energy. A comparison with predictions of string-resonance Monte-Carlo models: Epos, Smash and Venus, is also presented.

Published
2021
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2. 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

Author

Andrzej Rybicki, Vitalii Ozvenchuk, M. Kuich, B. Maksiak, Alexey Kurepin, Katarzyna Grebieszkow, A. Sadovsky, Z. Majka, M. Unger, Miroslaw Marek Kielbowicz, M. Słodkowski, A. Marcinek, D. Tefelski, M. Posiadala-Zezula, D. Uzhva, A. Haesler, Vladimir Vechernin, V. I. Kolesnikov, J. Cybowska, Alexey Krasnoperov, P. Staszel, M. Naskręt, M. Bogomilov, B. Messerly, A. Rustamov, S. Kowalski, P. Seyboth, R. Tsenov, A. D. Marino, H. Adhikary, A. O. Merzlaya, D. Kolev, G. Stefanek, O. Busygina, M. Lewicki, K. Marton, A. Blondel, F.F. Guber, W. Bryliński, E. Rondio, A. Garibov, M. Maćkowiak-Pawłowska, S. Puławski, N. Davis, A. Ivashkin, Mateusz Baszczyk, A. Yu. Seryakov, V. Babkin, H. Ströbele, B. Porfy, P. Podlaski, B. T. Rumberger, A. Wickremasinghe, Ł. Mik, Kreso Kadija, M. Buryakov, S. Sadhu, Rainer Arno Ernst Renfordt, K. Wojcik, D. S. Prokhorova, S. Bhosale, Ludwik Turko, P. Dorosz, N. Kargin, A. Bravar, V. Tereshchenko, V. Paolone, H. J. Mathes, Tobiasz Czopowicz, Marek Gaździcki, J. Puzović, J. Brzychczyk, Alexander Malakhov, Michael Deveaux, Ralph Engel, Alberica Toia, V.M. Golovatyuk, Markus Roth, J. Dumarchez, V. A. Kireyeu, T. Susa, Adam Bzdak, Dieter Røhrich, A. Dmitriev, O. Petukhov, M. Rumyantsev, O. Wyszyński, D. Pszczel, A. Acharya, Ralf Ulrich, M. Ravonel, A. Tefelska, B. A. Popov, E. D. Zimmerman, S. Ilieva, Y. Nagai, A. V. Brandin, M. Strikhanov, K. K. Allison, M. Ćirković, H. Cherif, I. Selyuzhenkov, B. Kozłowski, O. Golosov, A. Damyanova, Mate Csanad, S. V. Morozov, A. Zaitsev, Andras Laszlo, I. Pidhurskyi, Tatiana Lazareva, Wojciech Kucewicz, Michal Koziel, E. Kashirin, Evgeny Andronov, G. A. Feofilov, R. Płaneta, M.B. Golubeva, Viktor Matveev, V. V. Lyubushkin, G. L. Melkumov, Maciej Rybczyński, T. Antičić, F.F. Valiev, J. Stepaniak, Darko Veberič, K. Schmidt, K. Łojek, S.N. Igolkin, W. Dominik, M. Deliyergiyev, S. R. Johnson, A. Korzenev, L. Fields, T. Matulewicz, A. Taranenko, Z. Fodor, Dag Larsen, V. Klochkov, Vladimir Kovalenko, and R. Zwaska

Subjects
Physics, Physics and Astronomy (miscellaneous), Meson, 010308 nuclear & particles physics, Hadron, Inverse, 01 natural sciences, Super Proton Synchrotron, Nuclear physics, 0103 physical sciences, Transverse mass, Rapidity, Production (computer science), 010306 general physics, Nucleon, Engineering (miscellaneous)
Abstract

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 $$\pi ^{-}$$ π - mesons produced in central$${}^{40}$$ 40 Ar+$${}^{45}$$ 45 Sc collisions at beam momenta of 13A, 19A, 30A, 40A, 75A and 150$$A\,\text{ Ge }\text{ V }\!/\!\textit{c}$$ A Ge V / c . Energy and system size dependence of parameters of these distributions – mean transverse mass, the inverse slope parameter of transverse mass spectra, width of the rapidity distribution and mean multiplicity – are presented and discussed. Furthermore, the dependence of the ratio of the mean number of produced pions to the mean number of wounded nucleons on the collision energy was derived. The results are compared to predictions of several models.

Published
2021
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3. Measurement of the production cross section of 31 GeV/c protons on carbon via beam attenuation in a 90-cm-long target

Author

Piotr Dorosz, H. Ströbele, Andrzej Rybicki, V.M. Golovatyuk, Mate Csanad, G. A. Feofilov, Tatiana Lazareva, M. Unger, S. Bhosale, A. Tefelska, Miroslaw Marek Kielbowicz, Maciej Rybczyński, T. Antičić, O. Busygina, M. Lewicki, W. Bryliński, Michael Deveaux, Tobiasz Czopowicz, M. Rumyantsev, A. Garibov, V. Babkin, H. J. Mathes, J. Brzychczyk, B. A. Popov, M. Słodkowski, S. Ilieva, J. Dumarchez, P. Staszel, B. Porfy, B. T. Rumberger, Antoni Aduszkiewicz, E. Rondio, K. Wojcik, N. Kargin, V. A. Kireyeu, M. Ravonel, J. Stepaniak, T. Susa, A. Dmitriev, Markus Roth, O. Golosov, K. Schmidt, Alberica Toia, R. Płaneta, A. Damyanova, Z. Majka, K. Łojek, A. Marcinek, F.F. Guber, O. Petukhov, Vitalii Ozvenchuk, A. Ivashkin, S.N. Igolkin, W. Dominik, A. V. Brandin, S. R. Johnson, D. Kolev, D. Pszczel, B. Maksiak, M. Kuich, S. Puławski, V. Tereshchenko, Sergey V. Morozov, Evgeny Andronov, Alexey Kurepin, Ilya Selyuzhenkov, A. Zaitsev, A. Korzenev, J. Puzović, D. Tefelski, Samrangy Sadhu, Z. Fodor, M. Ćirković, Ralf Ulrich, A. O. Merzlaya, A. Wickremasinghe, M.B. Golubeva, Andras Laszlo, T. Matulewicz, B. Kozłowski, F.F. Valiev, M. Posiadala-Zezula, A. Taranenko, K. K. Allison, M. Strikhanov, Ł. Mik, Michal Koziel, Darko Veberič, Dieter Røhrich, M. Naskręt, Katarzyna Grebieszkow, Marek Gaździcki, M. Bogomilov, G. Stefanek, M. Buryakov, D. S. Prokhorova, Dag Larsen, O. Wyszyński, B. Messerly, A. Haesler, M. Pavin, V. Klochkov, Vladimir Kovalenko, Vladimir Vechernin, R. Zwaska, Wojciech Kucewicz, S. Kowalski, E. Kashirin, V. I. Kolesnikov, J. Cybowska, M. Maćkowiak-Pawłowska, V. V. Lyubushkin, G. L. Melkumov, Mateusz Baszczyk, P. Podlaski, V. Matveev, A. Blondel, R. Engel, K. Marton, A. Yu. Seryakov, V. Paolone, A. Bravar, E. D. Zimmerman, R. Tsenov, A. D. Marino, Alexander Malakhov, D. Uzhva, Alexey Krasnoperov, Y. Nagai, A. Sadovsky, A. Acharya, A. Rustamov, H. Adhikary, Ludwik Turko, M. Deliyergiyev, P. Seyboth, N. Davis, L. Fields, Kreso Kadija, Adam Bzdak, H. Cherif, and Rainer Arno Ernst Renfordt

Subjects
Physics, Spectrometer, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Attenuation, Hadron, Flux, 01 natural sciences, 7. Clean energy, Nuclear physics, Cross section (physics), 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Neutrino oscillation, Beam (structure)
Abstract

The production cross section of 30.92 GeV/c protons on carbon is measured by the NA61/SHINE spectrometer at the CERN SPS 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 quasi-elastic interactions. The obtained production cross section is σ$_{prod}$ = 227.6 ± 0.8(stat)$\frac{+1.9}{−3.2}$(sys) − 0.8(mod) mb. It is in agreement with previous NA61/SHINE results obtained with a thin carbon target, while providing improved precision with a total fractional uncertainty of less than 2%. This direct measurement is performed to reduce the uncertainty on the T2K neutrino flux prediction associated with the re-weighting of the interaction rate of neutrino-yielding hadrons.

Published
2021
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4. 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

Author

A. Tefelska, S. Ilieva, M. Ravonel, M. Rumyantsev, O. Wyszyński, B. Maksiak, A. O. Merzlaya, Andrzej Rybicki, A. Sadovsky, P. Seyboth, E. Rondio, Wojciech Kucewicz, S. Puławski, B. A. Popov, A. Bravar, K. Wojcik, N. Kargin, Ralf Ulrich, D. S. Prokhorova, H. J. Mathes, M. Naskręt, Z. Majka, N. Davis, H. Ströbele, E. Kashirin, Antoni Aduszkiewicz, D. Tefelski, A. Wickremasinghe, V. A. Kireyeu, H. Cherif, Y. Nagai, V. Paolone, M. Strikhanov, M. Bogomilov, G. Stefanek, S. Sadhu, M. Buryakov, E. D. Zimmerman, Kreso Kadija, V. I. Kolesnikov, J. Cybowska, M. Unger, A. V. Brandin, A. Rustamov, A. Garibov, Mate Csanad, F.F. Guber, Vitalii Ozvenchuk, Zbigniew Wlodarczyk, V. Babkin, H. Adhikary, Alberica Toia, M. Kuich, V.M. Golovatyuk, O. Petukhov, Alexander Malakhov, Tatiana Lazareva, S. V. Morozov, V. V. Lyubushkin, I. Selyuzhenkov, Adam Bzdak, K. Schmidt, A. Ivashkin, D. Pszczel, Rainer Arno Ernst Renfordt, A. Acharya, M. Ćirković, G. L. Melkumov, M. Słodkowski, Markus Roth, Ludwik Turko, B. Kozłowski, Alexey Kurepin, P. Dorosz, F.F. Valiev, R. Płaneta, Marek Gaździcki, Evgeny Andronov, St Mrówczyński, D. Uzhva, Alexey Krasnoperov, K. Marton, A. Yu. Seryakov, Z. Fodor, Katarzyna Grebieszkow, Darko Veberič, M.B. Golubeva, Michael Deveaux, Miroslaw Marek Kielbowicz, B. Messerly, Dag Larsen, J. Brzychczyk, Ralph Engel, O. Busygina, M. Lewicki, P. Staszel, K. K. Allison, W. Bryliński, T. Susa, O. Golosov, Andras Laszlo, A. Dmitriev, D. Kolev, J. Puzović, A. Blondel, Michal Koziel, Ł. Mik, B. Porfy, B. T. Rumberger, G. A. Feofilov, A. Marcinek, M. Posiadala-Zezula, R. Tsenov, V. Tereshchenko, Dieter Røhrich, A. Haesler, Vladimir Vechernin, S. Kowalski, M. Maćkowiak-Pawłowska, Mateusz Baszczyk, P. Podlaski, A. D. Marino, Maciej Rybczyński, T. Antičić, S. Bhosale, S. R. Johnson, Tobiasz Czopowicz, A. Korzenev, L. Fields, J. Dumarchez, T. Matulewicz, A. Taranenko, J. Stepaniak, K. Łojek, S.N. Igolkin, W. Dominik, A. Damyanova, Viktor Matveev, M. Deliyergiyev, V. Klochkov, Vladimir Kovalenko, R. Zwaska, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), and NA61/SHINE

Subjects
NA61, matter [hadron], Physics and Astronomy (miscellaneous), matter: interaction, Hadron, Inverse, momentum spectrum [transverse momentum], momentum [beam], 7. Clean energy, 01 natural sciences, Spectral line, High Energy Physics - Experiment, transverse momentum: momentum spectrum, K: multiplicity, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], anti-p: multiplicity, scattering [nucleus nucleus], Nuclear Experiment, Physics, nucleus nucleus: scattering, Super Proton Synchrotron, multiplicity [anti-p], beam: momentum, slope, Transverse mass, Production (computer science), multiplicity [pi], Particle Physics - Experiment, deconfinement, CERN Lab, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], yield [particle], energy dependence, Nuclear physics, mass spectrum: transverse, 0103 physical sciences, Nuclear Physics - Experiment, ddc:530, Rapidity, 010306 general physics, Engineering (miscellaneous), particle: yield, p: multiplicity, pi: multiplicity, 010308 nuclear & particles physics, CERN SPS, beryllium, proton synchrotron, hadron: matter, rapidity spectrum, transverse [mass spectrum], interaction [matter], multiplicity [K], spectrometer, multiplicity [p], Bar (unit), experimental results
Abstract

The European physical journal / C 81(1), 73 (1-38) (2021). doi:10.1140/epjc/s10052-020-08733-x, 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 ${\mathrm{Ge} \mathrm{V}}\!/\!c$. The energy dependence of the $K^\pm $/$\pi ^\pm $ ratios as well as of inverse slope parameters of the $K^\pm $ transverse mass distributions are close to those found in inelastic p+p reactions. The new results are compared to the world data on p+p and Pb+Pb collisions as well as to predictions of the Epos, Urqmd, Ampt, Phsd and Smash models., Published by Springer, Heidelberg

Published
2021
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5. Directed, Elliptic, and Higher Order Flow Harmonics of Protons, Deuterons, and Tritons inAu+AuCollisions atsNN=2.4 GeV

Author

M. Lorenz, S. Spataro, A. Malige, Roman Gernhäuser, A. Kugler, J. Dreyer, I. Fröhlich, Alexander Belyaev, Tatiana Karavicheva, T. Hennino, C. Behnke, P. Tlusty, L. Chlad, C. Wendisch, T. Heinz, Kirill Lapidus, S. Spies, Yu. G. Sobolev, J. A. Garzón, C. Müntz, F. Seck, A. Blanco, P. Fonte, B. Kämpfer, I. Koenig, Laura Fabbietti, Ilya Selyuzhenkov, L. Lopes, P. Zumbruch, Eliane Epple, A. Ivashkin, R. Kotte, K. Pysz, T. Scheib, O. Pechenova, P. Bordalo, C. Deveaux, H. Ströbele, M. Gumberidze, J. Pietraszko, Fedor Guber, R. Greifenhagen, Andrey Reshetin, M. Mamaev, C. Sturm, Oliver Werner Arnold, N. Rathod, V. Wagner, R. H. Munzer, D. M. Mihaylov, P. Rosier, S. Maurus, Y. Parpottas, O. Svoboda, J. Stroth, L. Silva, J. Friese, F. Scozzi, J. Adamczewski-Musch, V. Pechenov, K. Nowakowski, Sergey V. Morozov, B. Kardan, O. Petukhov, Grzegorz Korcyl, T. Mahmoud, B. W. Kolb, R. Lalik, A. K. Kurilkin, Krzysztof Piasecki, T. Kunz, P. Sellheim, A. Rost, Udai Pratap Singh, Christoph Blume, P. Filip, Yu.V. Zanevsky, Witold Przygoda, C. Franco, M. B. Golubeva, P. Rodriguez-Ramos, W. Koenig, G. Kornakov, B. Ramstein, T. Matulewicz, D. Wójcik, S. P. Chernenko, Volker Metag, A. Sadovsky, J. Michel, A. Lebedev, J. Wirth, M. Szala, A. Belounnas, A. B. Kurepin, S. Harabasz, M. Traxler, Jerzy Smyrski, M. Böhmer, A. Mangiarotti, T. Galatyuk, Piotr Salabura, L. Naumann, L. Maier, P. K. Kurilkin, C. Höhne, M. G. Wiebusch, E. Usenko, H. Schuldes, Izabela Ciepał, J. C. Berger-Chen, R. Holzmann, J. Markert, S. Ramos, S. Hlavac, V. P. Ladygin, O. V. Fateev, O. Golosov, F. Kornas, M. Kohls, J. Siebenson, E. Schwab, A.P. Ierusalimov, A. Rustamov, and H. Tsertos

Subjects
Physics, Equation of state, Spectrometer, Nuclear Theory, Elliptic flow, General Physics and Astronomy, 01 natural sciences, 7. Clean energy, Baryon, Nuclear physics, Deuterium, Flow (mathematics), Harmonics, 0103 physical sciences, Rapidity, Nuclear Experiment, 010306 general physics
Abstract

Flow coefficients vn of the orders n=1-6 are measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI for protons, deuterons, and tritons as a function of centrality, transverse momentum, and rapidity in Au+Au collisions at sNN=2.4 GeV. Combining the information from the flow coefficients of all orders allows us to construct for the first time, at collision energies of a few GeV, a multidifferential picture of the angular emission pattern of these particles. It reflects the complicated interplay between the effect of the central fireball pressure on the emission of particles and their subsequent interaction with spectator matter. The high precision information on higher order flow coefficients is a major step forward in constraining the equation of state of dense baryonic matter.

Published
2020
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6. Measurements of $$\pi ^-$$ production in $$^7$$Be + $$^9$$Be collisions at beam momenta from 19A to 150$$A\,\text{ GeV }\!/\!c$$ in the NA61/SHINE experiment at the CERN SPS

Author

Vitalii Ozvenchuk, M. Kuich, H. Ströbele, D. Tefelski, Adam Bzdak, H. Cherif, A. Ivashkin, S. R. Johnson, A. Garibov, P. Seyboth, D. S. Prokhorova, A. V. Brandin, V. Babkin, N. Davis, K. K. Allison, Katarzyna Grebieszkow, Michael Deveaux, F.F. Valiev, Alexey Kurepin, S. Bhosale, Kreso Kadija, A. Korzenev, L. Fields, Mate Csanad, D. Pszczel, M. Ravonel, B. Porfy, B. T. Rumberger, Marek Gaździcki, S. V. Morozov, B. A. Popov, S. Puławski, H. J. Mathes, G. A. Feofilov, A. Damyanova, J. Brzychczyk, Ralph Engel, Tobiasz Czopowicz, Antoni Aduszkiewicz, K. Marton, Y. Nagai, A. Yu. Seryakov, T. Susa, M. Rumyantsev, O. Wyszyński, E. Rondio, Markus Roth, T. Matulewicz, Tatiana Lazareva, R. Tsenov, J. Dumarchez, K. Wojcik, N. Kargin, Rainer Arno Ernst Renfordt, A. Wickremasinghe, A. Taranenko, Ludwik Turko, D. Kolev, A. Dmitriev, A. D. Marino, M. Maćkowiak-Pawłowska, V. A. Kireyeu, P. Dorosz, Viktor Matveev, Zbigniew Wlodarczyk, A. Bravar, S. Sadhu, Mateusz Baszczyk, B. Messerly, I. Selyuzhenkov, A. Blondel, Alexander Malakhov, Z. Fodor, B. Maksiak, J. Stepaniak, Evgeny Andronov, Darko Veberič, A. Sadovsky, Dag Larsen, Andrzej Rybicki, A. Acharya, M. Deliyergiyev, M.B. Golubeva, P. Podlaski, R. Płaneta, Ł. Mik, St Mrówczyński, Alberica Toia, V.M. Golovatyuk, K. Łojek, M. Naskręt, V. I. Kolesnikov, J. Cybowska, D. Uzhva, Z. Majka, Miroslaw Marek Kielbowicz, A. O. Merzlaya, Alexey Krasnoperov, M. Słodkowski, V. Paolone, S.N. Igolkin, W. Dominik, J. Puzović, O. Busygina, Ralf Ulrich, E. D. Zimmerman, M. Bogomilov, M. Lewicki, A. Rustamov, A. Tefelska, W. Bryliński, M. Strikhanov, V. Tereshchenko, P. Staszel, H. Adhikary, G. Stefanek, K. Schmidt, O. Petukhov, S. Ilieva, Maciej Rybczyński, T. Antičić, A. Marcinek, M. Unger, V. Klochkov, Vladimir Kovalenko, O. Golosov, Dieter Røhrich, R. Zwaska, F.F. Guber, M. Posiadala-Zezula, M. Ćirković, A. Haesler, Vladimir Vechernin, S. Kowalski, M. Buryakov, Wojciech Kucewicz, E. Kashirin, Andras Laszlo, Michal Koziel, V. V. Lyubushkin, and G. L. Melkumov

Subjects
Physics, Physics and Astronomy (miscellaneous), Meson, 010308 nuclear & particles physics, Hadron, 01 natural sciences, Super Proton Synchrotron, Particle identification, Nuclear physics, Pion, 0103 physical sciences, Transverse mass, Rapidity, 010306 general physics, Nucleon, Engineering (miscellaneous)
Abstract

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$$\pi ^{-}$$π-mesons produced in the 5% mostcentral$$^7$$7Be +$$^9$$9Be collisions at beam momenta of 19A, 30A, 40A, 75Aand 150$$A\,\text{ GeV }\!/\!c$$AGeV/cobtained by the so-called$$h^-$$h-method which does not require any particle identification. The shape of the transverse mass spectra differs from the shapes measured incentralPb + Pb collisions and inelasticp+pinteractions. The normalized width of the rapidity distribution decreases with increasing collision energy and is in between the results for inelastic nucleon–nucleon andcentralPb + Pb collisions. The mean multiplicity of pions per wounded nucleon incentral$$^7$$7Be +$$^9$$9Be collisions is close to that incentralPb + Pb collisions up to 75$$A\,\text{ GeV }\!/\!c$$AGeV/c. However, at the top SPS energy the result lies between those for nucleon–nucleon and Pb + Pb interactions. The results are discussed in the context of predictions for the onset of deconfinement at the CERN SPS collision energies.

Published
2020
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7. Measurements of $${\Xi }{^-} $$ and $$\overline{\Xi }{^+} $$ production in proton–proton interactions at $$\sqrt{s_{NN}}$$ = 17.3 $$\hbox {Ge}\hbox {V}$$ in the NA61/SHINE experiment

Author

Mate Csanad, Tatiana Lazareva, M. Słodkowski, R. Płaneta, St Mrówczyński, A. Blondel, M. Ravonel, Ralf Ulrich, V. I. Kolesnikov, J. Cybowska, M. Strikhanov, Y. Nagai, D. Kolev, Ł. Mik, Vitalii Ozvenchuk, V. Klochkov, Vladimir Kovalenko, S. Puławski, R. Zwaska, B. Maksiak, V. Tereshchenko, A. Damyanova, D. S. Prokhorova, M. Kuich, A. Wickremasinghe, Z. Majka, Zbigniew Wlodarczyk, B. Porfy, P. Seyboth, B. T. Rumberger, D. Uzhva, A. V. Brandin, Viktor Matveev, Alexey Krasnoperov, A. Sadovsky, A. O. Merzlaya, Marek Gaździcki, N. Davis, M. Deliyergiyev, A. Tefelska, Kreso Kadija, Dieter Røhrich, S. V. Morozov, M. Rumyantsev, O. Wyszyński, H. J. Mathes, J. Brzychczyk, Z. Fodor, S. Ilieva, Andrzej Rybicki, Antoni Aduszkiewicz, Ralph Engel, J. Stepaniak, F.F. Guber, A. Rustamov, T. Susa, A. Dmitriev, K. Łojek, A. Haesler, Dag Larsen, Vladimir Vechernin, S.N. Igolkin, W. Dominik, S. Kowalski, Katarzyna Grebieszkow, Ludwik Turko, Adam Bzdak, P. Dorosz, Maciej Rybczyński, T. Antičić, M. Naskręt, V. Paolone, S. R. Johnson, M. Bogomilov, G. Stefanek, A. Korzenev, L. Fields, E. D. Zimmerman, M. Unger, S. Bhosale, M. Maćkowiak-Pawłowska, T. Matulewicz, A. Taranenko, Tobiasz Czopowicz, Mateusz Baszczyk, J. Dumarchez, P. Podlaski, A. Ivashkin, Michael Deveaux, P. Staszel, Alberica Toia, V.M. Golovatyuk, D. Pszczel, B. Messerly, Alexey Kurepin, O. Petukhov, H. Ströbele, M. Ćirković, D. Tefelski, M. Buryakov, Evgeny Andronov, A. Garibov, V. Babkin, F.F. Valiev, J. Puzović, M.B. Golubeva, Markus Roth, Darko Veberič, B. A. Popov, E. Rondio, K. Wojcik, N. Kargin, V. A. Kireyeu, Wojciech Kucewicz, I. Selyuzhenkov, E. Kashirin, A. Marcinek, M. Posiadala-Zezula, O. Golosov, V. V. Lyubushkin, R. Tsenov, G. L. Melkumov, A. D. Marino, A. Bravar, Miroslaw Marek Kielbowicz, Alexander Malakhov, O. Busygina, M. Lewicki, W. Bryliński, Rainer Arno Ernst Renfordt, K. Marton, A. Yu. Seryakov, H. Cherif, G. A. Feofilov, Andras Laszlo, K. Schmidt, and Michal Koziel

Subjects
Physics, Particle physics, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Hyperon, Strangeness, 01 natural sciences, Spectral line, Phase space, 0103 physical sciences, Transverse momentum, Rapidity, Multiplicity (chemistry), 010306 general physics, Nucleon, Engineering (miscellaneous)
Abstract

The production of $$\Xi (1321)^{-}$$ Ξ ( 1321 ) - and $$\overline{\Xi }(1321)^{+}$$ Ξ ¯ ( 1321 ) + hyperons in inelastic p+p interactions is studied in a fixed target experiment at a beam momentum of 158 $$\hbox {Ge}\hbox {V}\!/\!c$$ Ge / c . Double differential distributions in rapidity $${y}$$ y and transverse momentum $$p_{T}$$ p T are obtained from a sample of 33M inelastic events. They allow to extrapolate the spectra to full phase space and to determine the mean multiplicity of both $${\Xi }{^-} $$ Ξ - and $$\overline{\Xi }{^+} $$ Ξ ¯ + . The rapidity and transverse momentum spectra are compared to transport model predictions. The $${\Xi }{^-} $$ Ξ - mean multiplicity in inelastic p+p interactions at 158 $$\hbox {Ge}\hbox {V}\!/\!c$$ Ge / c is used to quantify the strangeness enhancement in A+A collisions at the same centre-of-mass energy per nucleon pair.

Published
2020
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8. Search for an exotic S=−2 , Q=−2 baryon resonance in proton-proton interactions at sNN=17.3 GeV

Author

O. Petukhov, F.F. Guber, M. Ćirković, Maciej Rybczyński, Michael Deveaux, T. Antičić, H. Ströbele, B. A. Popov, A. Garibov, Adam Bzdak, H. J. Mathes, V. I. Kolesnikov, J. Cybowska, J. Puzović, S. R. Johnson, M. Maćkowiak-Pawłowska, V. Babkin, Mateusz Baszczyk, Vitalii Ozvenchuk, M. Kuich, A. Damyanova, S. Bhosale, Antoni Aduszkiewicz, D. Kolev, A. Korzenev, P. Podlaski, B. Maksiak, M. Buryakov, O. Wyszyński, A. Ivashkin, Alexey Kurepin, T. Matulewicz, F.F. Valiev, S. Puławski, V. Tereshchenko, V. Paolone, Sergey V. Morozov, Tobiasz Czopowicz, Darko Veberič, D. Pszczel, J. Dumarchez, Markus Roth, Ralf Ulrich, A. O. Merzlaya, B. Łysakowski, E. D. Zimmerman, H. Cherif, Andrzej Rybicki, A. Wickremasinghe, J. Stepaniak, B. Porfy, Alexander Malakhov, B. T. Rumberger, M. Naskręt, M. Strikhanov, Ł. Mik, M. Unger, A. Taranenko, G. A. Feofilov, Dieter Røhrich, Evgeny Andronov, M. Bogomilov, K. Łojek, B. Messerly, G. Stefanek, M. Ravonel, Alberica Toia, D. S. Prokhorova, V. Klochkov, Vladimir Kovalenko, Z. Majka, R. Zwaska, Marek Gaździcki, Ludwik Turko, A. V. Brandin, S.N. Igolkin, W. Dominik, Mate Csanad, O. Golosov, A. Bravar, Ilya Selyuzhenkov, A. Tefelska, Z. Fodor, Rainer Arno Ernst Renfordt, Tatiana Lazareva, A. Haesler, Vladimir Vechernin, M. Rumyantsev, D. Tefelski, Dag Larsen, M. Deliyergiyev, S. Kowalski, S. Ilieva, M.B. Golubeva, M. Posiadala-Zezula, V.M. Golovatyuk, A. Sadovsky, Wojciech Kucewicz, J. Brzychczyk, K. Schmidt, R. Płaneta, Andras Laszlo, Katarzyna Grebieszkow, E. Rondio, St Mrówczyński, E. Kashirin, T. Susa, Michal Koziel, Miroslaw Marek Kielbowicz, N. Kargin, A. Dmitriev, M. Słodkowski, P. Staszel, V. V. Lyubushkin, G. L. Melkumov, V. A. Kireyeu, O. Busygina, M. Lewicki, A. Marcinek, W. Bryliński, A. Rustamov, R. Tsenov, A. D. Marino, A. Blondel, Y. Nagai, Zbigniew Wlodarczyk, Alexey Krasnoperov, V. Matveev, R. Engel, K. Marton, P. Seyboth, A. Yu. Seryakov, N. Davis, L. Fields, Kreso Kadija, and Piotr Dorosz

Subjects
Physics, Quark, Quantum chromodynamics, Particle physics, Proton, 010308 nuclear & particles physics, Constituent quark, 01 natural sciences, Resonance (particle physics), Pentaquark, Baryon, 0103 physical sciences, Invariant mass, 010306 general physics
Abstract

Pentaquark states have been extensively investigated theoretically in the context of the constituent quark model. In this paper results of an experimental search for pentaquarks in the Ξ- π-, Ξ- π+, Ξ¯+ π- and Ξ¯+ π+ invariant mass spectra in proton-proton interactions at s=17.3 GeV are presented. Previous possible evidence from the NA49 collaboration of the existence of a narrow Ξ- π- baryon resonance in p+p interactions is not confirmed with almost 10 times greater event statistics. The search was performed using the NA61/SHINE detector which reuses the main components of the NA49 apparatus. No signal was observed with either the selection cuts of NA49 or newly optimized cuts.

Published
2020
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9. Measurements of hadron production in π++C and π++Be interactions at 60 GeV/c

Author

Vitalii Ozvenchuk, M. Kuich, Katarzyna Grebieszkow, A. Blondel, F.F. Guber, A. V. Brandin, Wojciech Kucewicz, M. Rumyantsev, Z. Majka, R. Engel, K. Marton, E. Kashirin, M. Ravonel, Ilya Selyuzhenkov, S. R. Johnson, A. Korzenev, L. Fields, P. Seyboth, A. Yu. Seryakov, Ralf Ulrich, G. A. Feofilov, Alberica Toia, Andrzej Rybicki, M. Maćkowiak-Pawłowska, L. Zambelli, Mateusz Baszczyk, E. Richter-Wąs, M. Słodkowski, B. Messerly, A. Wojtaszek-Szwarc, H. Cherif, A. Bravar, D. Kolev, V. Klochkov, Vladimir Kovalenko, Y. Nagai, R. Zwaska, T. Matulewicz, Alexander Malakhov, P. Podlaski, Ludwik Turko, A. Damyanova, V. V. Lyubushkin, G. L. Melkumov, M. Strikhanov, V. I. Kolesnikov, M. Naskręt, J. Cybowska, V. Paolone, S. Puławski, Zbigniew Wlodarczyk, J. Stepaniak, N. Davis, O. Golosov, M. Deliyergiyev, B. Porfy, M. Bogomilov, G. Stefanek, Mate Csanad, A. Wickremasinghe, A. Taranenko, B. T. Rumberger, Tatiana Lazareva, J. Brzychczyk, K. Łojek, A. Sadovsky, K. Kowalik, S. Bhosale, E. D. Zimmerman, D. Tefelski, E. Kaptur, F.F. Valiev, P. Staszel, Kreso Kadija, A. Haesler, Vladimir Vechernin, Tobiasz Czopowicz, T. Susa, M. Pavin, R. Tsenov, K. Schmidt, S. Kowalski, R. Płaneta, Miroslaw Marek Kielbowicz, S.N. Igolkin, M. Unger, Darko Veberič, St Mrówczyński, A. D. Marino, Marek Gaździcki, D. S. Prokhorova, Alexey Kurepin, W. Dominik, J. Dumarchez, Piotr Dorosz, H. J. Mathes, Alexey Krasnoperov, A. Dmitriev, A. Marcinek, O. Busygina, Antoni Aduszkiewicz, M. Lewicki, A. Snoch, A. Ivashkin, M. Posiadala-Zezula, A. Rustamov, W. Bryliński, V. Tereshchenko, V. Matveev, Adam Bzdak, Sergey V. Morozov, D. Pszczel, A. Garibov, Rainer Arno Ernst Renfordt, Andras Laszlo, A. Tefelska, V. Babkin, B. Łysakowski, S. Ilieva, Michal Koziel, B. Maksiak, Maciej Rybczyński, T. Antičić, Ł. Mik, Dieter Røhrich, A. O. Merzlaya, Michael Deveaux, Markus Roth, Z. Fodor, A. Marchionni, Dag Larsen, O. Petukhov, H. Ströbele, E. Rondio, M. Ćirković, K. Wojcik, N. Kargin, V. A. Kireyeu, Evgeny Andronov, M.B. Golubeva, M. Buryakov, O. Wyszyński, J. Puzović, B. A. Popov, and G. B. Mills

Subjects
Quantum chromodynamics, Physics, Spectrometer, 010308 nuclear & particles physics, Oscillation, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Hadron, Flux, 7. Clean energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Neutrino oscillation, Fermi Gamma-ray Space Telescope
Abstract

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. This paper presents three analyses of interactions of 60 GeV/$c$ $\pi^+$ with thin, fixed carbon and beryllium targets. Integrated production and inelastic cross sections were measured for both of these reactions. In an analysis of strange, neutral hadron production, differential production multiplicities of $K^0_{S}$, $\Lambda$ and anti-$\Lambda$ were measured. Lastly, in an analysis of charged hadron production, differential production multiplicities of $\pi^+$, $\pi^-$, $K^+$, $K^-$ and protons were measured. These measurements will enable long-baseline neutrino experiments to better constrain predictions of their neutrino flux in order to achieve better precision on their neutrino cross section and oscillation measurements.

Published
2019
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10. Measurements of $$\pi ^\pm $$ π ± , $$K^\pm $$ K ± and proton double differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

Author

N. Abgrall, A. Aduszkiewicz, E. V. Andronov, T. Antićić, B. Baatar, M. Baszczyk, S. Bhosale, A. Blondel, M. Bogomilov, A. Brandin, A. Bravar, W. Bryliński, J. Brzychczyk, S. A. Bunyatov, O. Busygina, A. Bzdak, H. Cherif, M. Ćirković, T. Czopowicz, A. Damyanova, N. Davis, M. Deveaux, W. Dominik, P. Dorosz, J. Dumarchez, R. Engel, A. Ereditato, G. A. Feofilov, L. Fields, Z. Fodor, A. Garibov, M. Gaździcki, O. Golosov, M. Golubeva, K. Grebieszkow, F. Guber, A. Haesler, T. Hasegawa, A. E. Hervé, S. N. Igolkin, S. Ilieva, A. Ivashkin, S. R. Johnson, K. Kadija, E. Kaptur, N. Kargin, E. Kashirin, M. Kiełbowicz, V. A. Kireyeu, V. Klochkov, T. Kobayashi, V. I. Kolesnikov, D. Kolev, A. Korzenev, V. N. Kovalenko, K. Kowalik, S. Kowalski, M. Koziel, A. Krasnoperov, W. Kucewicz, M. Kuich, A. Kurepin, D. Larsen, A. László, T. V. Lazareva, M. Lewicki, K. Łojek, B. Łysakowski, V. V. Lyubushkin, M. Maćkowiak-Pawłowska, Z. Majka, B. Maksiak, A. I. Malakhov, D. Manić, A. Marchionni, A. Marcinek, A. D. Marino, K. Marton, H. J. Mathes, T. Matulewicz, V. Matveev, G. L. Melkumov, A. O. Merzlaya, B. Messerly, Ł. Mik, G. B. Mills, S. Morozov, S. Mrówczyński, Y. Nagai, T. Nakadaira, M. Naskręt, K. Nishikawa, V. Ozvenchuk, V. Paolone, M. Pavin, O. Petukhov, C. Pistillo, R. Płaneta, P. Podlaski, B. A. Popov, M. Posiadała-Zezula, D. S. Prokhorova, S. Puławski, J. Puzović, W. Rauch, M. Ravonel, R. Renfordt, E. Richter-Wąs, D. Röhrich, E. Rondio, M. Roth, B. T. Rumberger, A. Rustamov, M. Rybczynski, A. Rybicki, A. Sadovsky, K. Sakashita, K. Schmidt, T. Sekiguchi, I. Selyuzhenkov, A. Yu. Seryakov, P. Seyboth, M. Shibata, M. Słodkowski, A. Snoch, P. Staszel, G. Stefanek, J. Stepaniak, M. Strikhanov, H. Ströbele, T. Šuša, M. Tada, A. Taranenko, A. Tefelska, D. Tefelski, V. Tereshchenko, A. Toia, R. Tsenov, L. Turko, R. Ulrich, M. Unger, F. F. Valiev, D. Veberič, V. V. Vechernin, M. Walewski, A. Wickremasinghe, Z. Włodarczyk, A. Wojtaszek-Szwarc, O. Wyszyński, L. Zambelli, E. D. Zimmerman, R. Zwaska, L. Berns, G. A. Fiorentini, M. Friend, M. Hartz, T. Vladisavljevic, and M. Yu

Subjects
Physics, Surface (mathematics), Particle physics, Large Hadron Collider, Physics and Astronomy (miscellaneous), Spectrometer, Proton, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Flux, 7. Clean energy, 01 natural sciences, 0103 physical sciences, Production (computer science), Neutrino, Nuclear Experiment, 010306 general physics, Engineering (miscellaneous), Beam (structure)
Abstract

Measurements of the $\pi^{\pm}$, $K^{\pm}$, and proton double differential yields emitted from the surface of the 90-cm-long carbon target (T2K replica) were performed for the incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS using data collected during 2010 run. The double differential $\pi^{\pm}$ yields were measured with increased precision compared to the previously published NA61/SHINE results, while the $K^{\pm}$ and proton yields were obtained for the first time. A strategy for dealing with the dependence of the results on the incoming proton beam profile is proposed. The purpose of these measurements is to reduce significantly the (anti)neutrino flux uncertainty in the T2K long-baseline neutrino experiment by constraining the production of (anti)neutrino ancestors coming from the T2K target.

Published
2019
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11. Measurements of total production cross sections for π++C , π++Al , K++C , and K++Al at 60 GeV/c and π++C and π++Al at 31 GeV/c

Author

Andrzej Rybicki, E. Kashirin, S.A. Bunyatov, Tatiana Lazareva, K. Marton, A. Bravar, A. Yu. Seryakov, G. A. Feofilov, B. A. Popov, V. V. Lyubushkin, A. E. Herve, A. V. Brandin, M. Unger, G. L. Melkumov, K. Kowalik, D. Tefelski, A. Marchionni, A. B. Kurepin, Alexander Malakhov, R. Płaneta, St Mrówczyński, I. Selyuzhenkov, O. Golosov, F.F. Valiev, A. Garibov, A. Ivashkin, A. Snoch, Andras Laszlo, O. Petukhov, B. T. Rumberger, Darko Veberič, Michal Koziel, B. Baatar, Fedor Guber, Ralf Ulrich, R. Tsenov, Michael Deveaux, Miroslaw Marek Kielbowicz, J. Puzović, M. Strikhanov, Markus Roth, B. Messerly, M. Słodkowski, Marek Gaździcki, A. Tefelska, V. Paolone, V. Klochkov, A. Wojtaszek-Szwarc, Vladimir Kovalenko, R. Zwaska, J. Stepaniak, K. Schmidt, H. J. Mathes, A. K. Yarritu, O. Busygina, M. Posiadala, Y. Nagai, M. Lewicki, S. Ilieva, Antoni Aduszkiewicz, M. Pavin, W. Bryliński, E. D. Zimmerman, D. Kolev, Rainer Arno Ernst Renfordt, P. Staszel, A. Marcinek, B. Maksiak, Zbigniew Wlodarczyk, K. Łojek, V. I. Kolesnikov, M. Ravonel, V. Tereshchenko, B. Łysakowski, Evgeny Andronov, A. D. Marino, M. B. Golubeva, S. Puławski, A. O. Merzlaya, M. Bogomilov, G. Stefanek, Katarzyna Grebieszkow, A. Blondel, A. Wickremasinghe, S.N. Igolkin, W. Dominik, S. Bhosale, D. Manić, H. Cherif, A. Rustamov, E. Richter-Wąs, G. B. Mills, E. Rondio, S. R. Johnson, N. Kargin, Dieter Røhrich, Tobiasz Czopowicz, Alexey Krasnoperov, V. A. Kireyeu, M. Naskręt, A. Korzenev, L. Fields, J. Dumarchez, W. Rauch, Alberica Toia, S. Morozov, Ludwik Turko, P. Dorosz, E. Kaptur, T. Matulewicz, O. Wyszyński, M. Walewski, A. Haesler, A. Taranenko, Vitalii Ozvenchuk, Vladimir Vechernin, M. Kuich, A. Sadovsky, Z. Fodor, S. Kowalski, Ł. Mik, H. Ströbele, L. Zambelli, Maciej Rybczyński, T. Antičić, M. Ćirković, Dag Larsen, M. Maćkowiak-Pawłowska, Mateusz Baszczyk, P. Podlaski, A. Damyanova, Viktor Matveev, P. Seyboth, N. Davis, Kreso Kadija, Adam Bzdak, Z. Majka, J. Brzychczyk, Ralph Engel, T. Susa, and Wojciech Kucewicz

Subjects
Physics, Large Hadron Collider, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Flux, 01 natural sciences, 7. Clean energy, Super Proton Synchrotron, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Heavy ion, Neutrino, Nuclear Experiment, 010306 general physics
Abstract

This paper presents several measurements of total production cross sections and total inelastic cross sections for the following reactions: π++C, π++Al, K++C, K++Al at 60 GeV/c, π++C and π++Al at 31 GeV/c. The measurements were made using the NA61/SPS Heavy Ion and Neutrino Experiment spectrometer at the CERN Super Proton Synchrotron (SPS). Comparisons with previous measurements are given and good agreement is seen. These interaction cross sections measurements are a key ingredient for neutrino flux prediction from the reinteractions of secondary hadrons in current and future accelerator-based long-baseline neutrino experiments.

Published
2018
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