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Proton, deuteron and triton flow measurements in Au+Au collisions at $\sqrt{s_{NN}} = 2.4$ GeV

Fuente: arXiv

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Détails bibliographiques
Auteurs principaux:	HADES collaboration, Adamczewski-Musch, J., Arnold, O., Behnke, C., Belounnas, A., Berger-Chen, J. C., Blanco, A., Blume, C., Böhmer, M., Bordalo, P., Chlad, L., Ciepal, I., Deveaux, C., Dreyer, J., Epple, E., Fabbietti, L., Filip, P., Fonte, P., Franco, C., Friese, J., Fröhlich, I., Galatyuk, T., Garzón, J. A., Gernhäuser, R., Greifenhagen, R., Gumberidze, M., Harabasz, S., Heinz, T., Hennino, T., Hlavac, S., Höhne, C., Holzmann, R., Kämpfer, B., Kardan, B., Koenig, I., Koenig, W., Kohls, M., Kolb, B. W., Korcyl, G., Kornakov, G., Kornas, F., Kotte, R., Kugler, A., Kunz, T., Lalik, R., Lapidus, K., Lopes, L., Lorenz, M., Mahmoud, T., Maier, L., Malige, A., Mangiarotti, A., Markert, J., Matulewicz, T., Maurus, S., Metag, V., Michel, J., Mihaylov, D. M., Müntz, C., Münzer, R., Naumann, L., Nowakowski, K., Parpottas, Y., Pechenov, V., Pechenova, O., Piasecki, K., Pietraszko, J., Przygoda, W., Pysz, K., Ramos, S., Ramstein, B., Rathod, N., Rodriguez-Ramos, P., Rosier, P., Rost, A., Rustamov, A., Salabura, P., Scheib, T., Schuldes, H., Schwab, E., Scozzi, F., Seck, F., Sellheim, P., Selyuzhenkov, I., Siebenson, J., Silva, L., Singh, U., Smyrski, J., Sobolev, Yu. G., Spataro, S., Spies, S., Ströbele, H., Stroth, J., Sturm, C., Svoboda, O., Szala, M., Tlusty, P., Traxler, M., Tsertos, H., Wagner, V., Wendisch, C., Wiebusch, M. G., Wirth, J., Wójcik, D., Zumbruch, P.
Format:	Preprint
Publié:	2022
Sujets:	Nuclear Experiment
Accès en ligne:	Acceder al recurso
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author	HADES collaboration Adamczewski-Musch, J. Arnold, O. Behnke, C. Belounnas, A. Berger-Chen, J. C. Blanco, A. Blume, C. Böhmer, M. Bordalo, P. Chlad, L. Ciepal, I. Deveaux, C. Dreyer, J. Epple, E. Fabbietti, L. Filip, P. Fonte, P. Franco, C. Friese, J. Fröhlich, I. Galatyuk, T. Garzón, J. A. Gernhäuser, R. Greifenhagen, R. Gumberidze, M. Harabasz, S. Heinz, T. Hennino, T. Hlavac, S. Höhne, C. Holzmann, R. Kämpfer, B. Kardan, B. Koenig, I. Koenig, W. Kohls, M. Kolb, B. W. Korcyl, G. Kornakov, G. Kornas, F. Kotte, R. Kugler, A. Kunz, T. Lalik, R. Lapidus, K. Lopes, L. Lorenz, M. Mahmoud, T. Maier, L. Malige, A. Mangiarotti, A. Markert, J. Matulewicz, T. Maurus, S. Metag, V. Michel, J. Mihaylov, D. M. Müntz, C. Münzer, R. Naumann, L. Nowakowski, K. Parpottas, Y. Pechenov, V. Pechenova, O. Piasecki, K. Pietraszko, J. Przygoda, W. Pysz, K. Ramos, S. Ramstein, B. Rathod, N. Rodriguez-Ramos, P. Rosier, P. Rost, A. Rustamov, A. Salabura, P. Scheib, T. Schuldes, H. Schwab, E. Scozzi, F. Seck, F. Sellheim, P. Selyuzhenkov, I. Siebenson, J. Silva, L. Singh, U. Smyrski, J. Sobolev, Yu. G. Spataro, S. Spies, S. Ströbele, H. Stroth, J. Sturm, C. Svoboda, O. Szala, M. Tlusty, P. Traxler, M. Tsertos, H. Wagner, V. Wendisch, C. Wiebusch, M. G. Wirth, J. Wójcik, D. Zumbruch, P.
author_facet	HADES collaboration Adamczewski-Musch, J. Arnold, O. Behnke, C. Belounnas, A. Berger-Chen, J. C. Blanco, A. Blume, C. Böhmer, M. Bordalo, P. Chlad, L. Ciepal, I. Deveaux, C. Dreyer, J. Epple, E. Fabbietti, L. Filip, P. Fonte, P. Franco, C. Friese, J. Fröhlich, I. Galatyuk, T. Garzón, J. A. Gernhäuser, R. Greifenhagen, R. Gumberidze, M. Harabasz, S. Heinz, T. Hennino, T. Hlavac, S. Höhne, C. Holzmann, R. Kämpfer, B. Kardan, B. Koenig, I. Koenig, W. Kohls, M. Kolb, B. W. Korcyl, G. Kornakov, G. Kornas, F. Kotte, R. Kugler, A. Kunz, T. Lalik, R. Lapidus, K. Lopes, L. Lorenz, M. Mahmoud, T. Maier, L. Malige, A. Mangiarotti, A. Markert, J. Matulewicz, T. Maurus, S. Metag, V. Michel, J. Mihaylov, D. M. Müntz, C. Münzer, R. Naumann, L. Nowakowski, K. Parpottas, Y. Pechenov, V. Pechenova, O. Piasecki, K. Pietraszko, J. Przygoda, W. Pysz, K. Ramos, S. Ramstein, B. Rathod, N. Rodriguez-Ramos, P. Rosier, P. Rost, A. Rustamov, A. Salabura, P. Scheib, T. Schuldes, H. Schwab, E. Scozzi, F. Seck, F. Sellheim, P. Selyuzhenkov, I. Siebenson, J. Silva, L. Singh, U. Smyrski, J. Sobolev, Yu. G. Spataro, S. Spies, S. Ströbele, H. Stroth, J. Sturm, C. Svoboda, O. Szala, M. Tlusty, P. Traxler, M. Tsertos, H. Wagner, V. Wendisch, C. Wiebusch, M. G. Wirth, J. Wójcik, D. Zumbruch, P.
contents	High precision measurements of flow coefficients $v_{n}$ ($n = 1 - 4$) for protons, deuterons and tritons relative to the first-order spectator plane have been performed in Au+Au collisions at $\sqrt{s_{NN}} = 2.4$ GeV with the High-Acceptance Di-Electron Spectrometer (HADES) at the SIS18/GSI. Flow coefficients are studied as a function of transverse momentum $p_{t}$ and rapidity $y_{cm}$ over a large region of phase space and for several classes of collision centrality. A clear mass hierarchy is found for the slope of $v_{1}$, $d v_{1}/d y^{\prime}\|_{y^{\prime} = 0}$ where $y^{\prime}$ is the scaled rapidity, and for $v_{2}$ at mid-rapidity. Scaling with the number of nucleons is observed for the $p_{t}$ dependence of $v_{2}$ and $v_{4}$ at mid-rapidity, which is indicative for nuclear coalescence as the main process responsible for light nuclei formation. $v_{2}$ is found to scale with the initial eccentricity $\langle ε_{2} \rangle$, while $v_{4}$ scales with $\langle ε_{2} \rangle^{2}$ and $\langle ε_{4} \rangle$. The multi-differential high-precision data on $v_{1}$, $v_{2}$, $v_{3}$, and $v_{4}$ provides important constraints on the equation-of-state of compressed baryonic matter.
format	Preprint
id	arxiv_https___arxiv_org_abs_2208_02740
institution	arXiv
publishDate	2022
record_format	arxiv
spellingShingle	Proton, deuteron and triton flow measurements in Au+Au collisions at $\sqrt{s_{NN}} = 2.4$ GeV HADES collaboration Adamczewski-Musch, J. Arnold, O. Behnke, C. Belounnas, A. Berger-Chen, J. C. Blanco, A. Blume, C. Böhmer, M. Bordalo, P. Chlad, L. Ciepal, I. Deveaux, C. Dreyer, J. Epple, E. Fabbietti, L. Filip, P. Fonte, P. Franco, C. Friese, J. Fröhlich, I. Galatyuk, T. Garzón, J. A. Gernhäuser, R. Greifenhagen, R. Gumberidze, M. Harabasz, S. Heinz, T. Hennino, T. Hlavac, S. Höhne, C. Holzmann, R. Kämpfer, B. Kardan, B. Koenig, I. Koenig, W. Kohls, M. Kolb, B. W. Korcyl, G. Kornakov, G. Kornas, F. Kotte, R. Kugler, A. Kunz, T. Lalik, R. Lapidus, K. Lopes, L. Lorenz, M. Mahmoud, T. Maier, L. Malige, A. Mangiarotti, A. Markert, J. Matulewicz, T. Maurus, S. Metag, V. Michel, J. Mihaylov, D. M. Müntz, C. Münzer, R. Naumann, L. Nowakowski, K. Parpottas, Y. Pechenov, V. Pechenova, O. Piasecki, K. Pietraszko, J. Przygoda, W. Pysz, K. Ramos, S. Ramstein, B. Rathod, N. Rodriguez-Ramos, P. Rosier, P. Rost, A. Rustamov, A. Salabura, P. Scheib, T. Schuldes, H. Schwab, E. Scozzi, F. Seck, F. Sellheim, P. Selyuzhenkov, I. Siebenson, J. Silva, L. Singh, U. Smyrski, J. Sobolev, Yu. G. Spataro, S. Spies, S. Ströbele, H. Stroth, J. Sturm, C. Svoboda, O. Szala, M. Tlusty, P. Traxler, M. Tsertos, H. Wagner, V. Wendisch, C. Wiebusch, M. G. Wirth, J. Wójcik, D. Zumbruch, P. Nuclear Experiment High precision measurements of flow coefficients $v_{n}$ ($n = 1 - 4$) for protons, deuterons and tritons relative to the first-order spectator plane have been performed in Au+Au collisions at $\sqrt{s_{NN}} = 2.4$ GeV with the High-Acceptance Di-Electron Spectrometer (HADES) at the SIS18/GSI. Flow coefficients are studied as a function of transverse momentum $p_{t}$ and rapidity $y_{cm}$ over a large region of phase space and for several classes of collision centrality. A clear mass hierarchy is found for the slope of $v_{1}$, $d v_{1}/d y^{\prime}\|_{y^{\prime} = 0}$ where $y^{\prime}$ is the scaled rapidity, and for $v_{2}$ at mid-rapidity. Scaling with the number of nucleons is observed for the $p_{t}$ dependence of $v_{2}$ and $v_{4}$ at mid-rapidity, which is indicative for nuclear coalescence as the main process responsible for light nuclei formation. $v_{2}$ is found to scale with the initial eccentricity $\langle ε_{2} \rangle$, while $v_{4}$ scales with $\langle ε_{2} \rangle^{2}$ and $\langle ε_{4} \rangle$. The multi-differential high-precision data on $v_{1}$, $v_{2}$, $v_{3}$, and $v_{4}$ provides important constraints on the equation-of-state of compressed baryonic matter.
title	Proton, deuteron and triton flow measurements in Au+Au collisions at $\sqrt{s_{NN}} = 2.4$ GeV
topic	Nuclear Experiment
url	https://arxiv.org/abs/2208.02740