Measuring K$^0_{\rm S}$K$^{\rm \pm}$ interactions using Pb-Pb collisions at ${\sqrt{s_{\rm NN}}=2.76}$ TeV

+pi%2B+pi%22&type=SU">K0(S) --> pi+ pi, final-state interaction, correlation, diquark, K: production, particle identification, Particle Physics - Experiment, experimental results -->
Popis: Physics letters / B B774, 64 - 77 (2017). doi:10.1016/j.physletb.2017.09.009
We present the first ever measurements of femtoscopic correlations between the KS0 and K ± particles. The analysis was performed on the data from Pb–Pb collisions at sNN=2.76 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS0K− are found to be equal within the experimental uncertainties to those for KS0K+ . Comparing the results of the present study with those from published identical-kaon femtoscopic studies by ALICE, mass and coupling parameters for the a0 resonance are tested. Our results are also compatible with the interpretation of the a0 having a tetraquark structure instead of that of a diquark.
Published by North-Holland Publ., Amsterdam
Jazyk: English
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2017.09.009⟩
DOI: 10.1016/j.physletb.2017.09.009
DOI: 10.1016/j.physletb.2017.09.009〉
Přístupová URL adresa: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::128efe677a99f69c0c3c42f478077f58
https://hal.science/hal-01645622
Rights: OPEN
Přírůstkové číslo: edsair.doi.dedup.....128efe677a99f69c0c3c42f478077f58
Autor: Acharya, Shreyasi, Adamova, Dagmar, Adolfsson, Jonatan, Aggarwal, Madan Mohan, Aglieri Rinella, Gianluca, Agnello, Michelangelo, Agrawal, Neelima, Ahammed, Zubayer, Ahmad, Nazeer, Ahn, Sang Un, Aiola, Salvatore, Akindinov, Alexander, Alam, Sk Noor, Bazo Alba, Jose Luis, Silva De Albuquerque, Danilo, Aleksandrov, Dmitry, Alessandro, Bruno, Alfaro Molina, Jose Ruben, Alici, Andrea, Alkin, Anton, Alme, Johan, Alt, Torsten, Altenkamper, Lucas, Altsybeev, Igor, Alves Garcia Prado, Caio, An, Mangmang, Andrei, Cristian, Andreou, Dimitra, Andrews, Harry Arthur, Andronic, Anton, Anguelov, Venelin, Anson, Christopher Daniel, Anticic, Tome, Antinori, Federico, Antonioli, Pietro, Anwar, Rafay, Aphecetche, Laurent Bernard, Appelshaeuser, Harald, Arcelli, Silvia, Arnaldi, Roberta, Arnold, Oliver Werner, Arsene, Ionut Cristian, Arslandok, Mesut, Audurier, Benjamin, Augustinus, Andre, Averbeck, Ralf Peter, Azmi, Mohd Danish, Badala, Angela, Baek, Yong Wook, Bagnasco, Stefano, Bailhache, Raphaelle Marie, Bala, Renu, Baldisseri, Alberto, Ball, Markus, Baral, Rama Chandra, Barbano, Anastasia Maria, Barbera, Roberto, Barile, Francesco, Barioglio, Luca, Barnafoldi, Gergely Gabor, Barnby, Lee Stuart, Ramillien Barret, Valerie, Bartalini, Paolo, Barth, Klaus, Bartke, Jerzy Gustaw, Bartsch, Esther, Basile, Maurizio, Bastid, Nicole, Basu, Sumit, Bathen, Bastian, Batigne, Guillaume, Batista Camejo, Arianna, Batyunya, Boris, Batzing, Paul Christoph, Bearden, Ian Gardner, Beck, Hans, Bedda, Cristina, Behera, Nirbhay Kumar, Belikov, Iouri, Bellini, Francesca, Bello Martinez, Hector, Bellwied, Rene, Espinoza Beltran, Lucina Gabriela, Belyaev, Vladimir, Bencedi, Gyula, Beole, Stefania, Bercuci, Alexandru, Berdnikov, Yaroslav, Berenyi, Daniel, Bertens, Redmer Alexander, Berzano, Dario, Betev, Latchezar, Bhasin, Anju, Bhat, Inayat Rasool, Bhati, Ashok Kumar, Bhattacharjee, Buddhadeb, Bhom, Jihyun, Bianchi, Livio, Bianchi, Nicola, Bianchin, Chiara, Bielcik, Jaroslav, Bielcikova, Jana, 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Yoon, Jin Hee, Yurchenko, Volodymyr, Zaccolo, Valentina, Zaman, Ali, Zampolli, Chiara, Correa Zanoli, Henrique Jose, Zardoshti, Nima, Zarochentsev, Andrey, Zavada, Petr, Zavyalov, Nikolay, Zbroszczyk, Hanna Paulina, Zhalov, Mikhail, Zhang, Haitao, Zhang, Xiaoming, Zhang, Yonghong, Chunhui, Zhang, Zhang, Zuman, Zhao, Chengxin, Zhigareva, Natalia, Zhou, Daicui, Zhou, You, Zhou, Zhuo, Zhu, Hongsheng, Zhu, Jianhui, Zhu, Xiangrong, Zichichi, Antonino, Zimmermann, Alice, Zimmermann, Markus Bernhard, Zinovjev, Gennady, Zmeskal, Johann, Zou, Shuguang, ALICE Collaboration
Přispěvatelé: Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Calcul de l'IN2P3 (CC-IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), ALICE, Université de Nantes - Faculté des Sciences et des Techniques, Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne (UCA)-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de physique subatomique et des technologies associées ( SUBATECH ), IMT Atlantique Bretagne-Pays de la Loire ( IMT Atlantique ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Nantes ( UN ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire de Physique de Clermont ( LPC ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Clermont Auvergne ( UCA ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Pluridisciplinaire Hubert Curien ( IPHC ), Centre National de la Recherche Scientifique ( CNRS ) -Université de Strasbourg ( UNISTRA ), Institut de Physique Nucléaire de Lyon ( IPNL ), Université Claude Bernard Lyon 1 ( UCBL ), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique Subatomique et de Cosmologie ( LPSC ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut polytechnique de Grenoble - Grenoble Institute of Technology ( Grenoble INP ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ), Institut de Physique Nucléaire d'Orsay ( IPNO ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Centre de Calcul de l'IN2P3 ( CC-IN2P3 ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Physics Letters B
Physics Letters B, 2017, 774, pp.64-77. ⟨10.1016/j.physletb.2017.09.009⟩
Phys.Lett.B
Phys.Lett.B, 2017, 774, pp.64-77. ⟨10.1016/j.physletb.2017.09.009⟩
Physics letters / B B774, 64-77 (2017). doi:10.1016/j.physletb.2017.09.009
Phys.Lett.B, 2017, 774, pp.64-77. 〈10.1016/j.physletb.2017.09.009〉
Physics Letters B, Elsevier, 2017, 774, pp.64-77. ⟨10.1016/j.physletb.2017.09.009⟩
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2017.09.009⟩
Popis: Physics letters / B B774, 64 - 77 (2017). doi:10.1016/j.physletb.2017.09.009
We present the first ever measurements of femtoscopic correlations between the KS0 and K ± particles. The analysis was performed on the data from Pb–Pb collisions at sNN=2.76 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS0K− are found to be equal within the experimental uncertainties to those for KS0K+ . Comparing the results of the present study with those from published identical-kaon femtoscopic studies by ALICE, mass and coupling parameters for the a0 resonance are tested. Our results are also compatible with the interpretation of the a0 having a tetraquark structure instead of that of a diquark.
Published by North-Holland Publ., Amsterdam
Databáze: OpenAIRE
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