Measuring KS                         0K± interactions using pp collisions at √s=7 TeV

ALICE Collaboration

doi:10.1016/j.physletb.2018.12.033

Measuring K_S ⁰K^± interactions using pp collisions at √s=7 TeV

ALICE Collaboration

Sección de Física

Variable Energy Cyclotron Centre
University of California at Berkeley
Academy of Sciences of the Czech Republic
Goethe University Frankfurt
University of Lund
Panjab University
CERN
Polytechnic University of Turin
Indian Institute of Technology Bombay
Korea Institute of Science and Technology Information
Yale University
Alikhanov Institute for Theoretical and Experimental Physics
GSI Helmholtzzentrum für Schwerionenforschung
Universidade Estadual de Campinas
Russian Research Centre Kurchatov Institute
Sezione INFN
Central China Normal University
Universidad Nacional Autónoma de México
COMSATS University Islamabad
Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi
National Institute for Nuclear Physics
Bogolyubov Institute for Theoretical Physics Nasu
University of Bergen
St. Petersburg State University
National Institute for Physics and Nuclear Engineering
University of Birmingham
University of Münster
Ruprecht-Karls-Universität Heidelberg
Creighton University
Ruder Boskovic Institute
University of Houston
Lawrence Berkeley National Laboratory
Nantes Université
University of Oslo
Aligarh Muslim University
Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN
Gangneung-Wonju National University
Inha University
University of Jammu
CNRS-IN2P3
Rheinische Friedrich-Wilhelms-Universität Bonn
Homi Bhabha National Institute
University of Catania
Hungarian Academy of Sciences
STFC Daresbury Laboratory
CNRS
Wayne State University
Joint Institute for Nuclear Research
University of Copenhagen
Institute for Subatomic Physics of Utrecht University
Université de Strasbourg
Benemérita Universidad Autónoma de Puebla
Universidad Autonoma de Sinaloa
Moscow Engineering Physics Institute
Petersburg Nuclear Physics Institute (PNPI)
University of Tennessee
Gauhati University
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
INFN, Laboratori Nazionali Di Frascati
Faculty of Nuclear Sciences and Physical Engineering
Technical University of Munich
Technische Universität München
Bose Institute
University of Texas at Austin
University of Pavia
Pavol Jozef Šafárik University
Università di Brescia
University of Liverpool
Universidade de São Paulo
University of Helsinki
Russian Federal Nuclear Center (VNIIEF)
Austrian Academy of Sciences
University of Tsukuba
National Research Foundation
Ohio State University
Technical University of Košice
National Institute for Subatomic Physics
Pontifical Catholic Univ. of Peru
Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear
University of Jyväskylä
Sezione INFN
Universite Claude Bernard Lyon 1
Pusan National University
University of Cape Town
Université Grenoble Alpes
Centre de calcul de l'IN2P3
Oak Ridge National Laboratory
Università del Piemonte Orientale and Gruppo Collegato INFN
Universidade Federal do ABC
Warsaw University of Technology
Institute of Space Science (ISS)
Indian Institute of Technology Indore
Frankfurt Institute for Advanced Studies
National Centre for Nuclear Studies
University of Zagreb
Institute for High Energy Physics
RAS - Institute for Nuclear Research
National and Kapodistrian University of Athens
Chicago State University
Universidade Federal do Rio Grande do Sul
University of Split
A. Alikhanian Yerevan Institute of Physics
Tokyo University
Nagasaki Institute of Applied Science
Western Norway University of Applied Sciences
Centro de Investigación y de Estudios AVanzados (CINVESTAV)
Sejong University
Slovak Academy of Sciences
Yonsei University
KTO Karatay University
Zentrum für Technologietransfer und Telekommunikation (ZTT)
Jeonbuk National University
California Polytechnic State University, San Luis Obispo
Suranaree University of Technology
University of South-Eastern Norway
China Institute of Atomic Energy
University of the Witwatersrand
Institute of Physics of the Czech Academy of Sciences
Università degli Studi di Foggia
University of Rome La Sapienza
Comenius University
Budker Institute for Nuclear Physics
University of Rajasthan
National Nuclear Research Center
Eberhard Karls Universität Tübingen
Hiroshima University
Nara Women's University
Chinese Academy of Sciences
Indonesian Institute of Sciences

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21 Citas (Scopus)

Resumen

We present the first measurements of femtoscopic correlations between the K_S ⁰ and K^± particles in pp collisions at s=7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the a₀(980) resonance. The extracted kaon source radius and correlation strength parameters for K_S ⁰K⁻ are found to be equal within the experimental uncertainties to those for K_S ⁰K⁺. Results of the present study are compared with those from identical-kaon femtoscopic studies also performed with pp collisions at s=7 TeV by ALICE and with a K_S ⁰K^± measurement in Pb–Pb collisions at s_NN=2.76 TeV. Combined with the Pb–Pb results, our pp analysis is found to be compatible with the interpretation of the a₀(980) having a tetraquark structure instead of that of a diquark.

Idioma original	Inglés
Páginas (desde-hasta)	22-34
Número de páginas	13
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	790
DOI	https://doi.org/10.1016/j.physletb.2018.12.033
Estado	Publicada - 10 mar. 2019

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10.1016/j.physletb.2018.12.033

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@article{af2f6cc5bb4e4db78f5064559d6d0a45,

title = "Measuring KS 0K± interactions using pp collisions at √s=7 TeV",

abstract = "We present the first measurements of femtoscopic correlations between the KS 0 and K± particles in pp collisions at s=7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS 0K− are found to be equal within the experimental uncertainties to those for KS 0K+. Results of the present study are compared with those from identical-kaon femtoscopic studies also performed with pp collisions at s=7 TeV by ALICE and with a KS 0K± measurement in Pb–Pb collisions at sNN=2.76 TeV. Combined with the Pb–Pb results, our pp analysis is found to be compatible with the interpretation of the a0(980) having a tetraquark structure instead of that of a diquark.",

author = "\{ALICE Collaboration\} and S. Acharya and Acosta, \{F. T.\} and D. Adamov{\'a} and A. Adler and J. Adolfsson and Aggarwal, \{M. M.\} and \{Aglieri Rinella\}, G. and M. Agnello and N. Agrawal and Z. Ahammed and Ahn, \{S. U.\} and S. Aiola and A. Akindinov and M. Al-Turany and Alam, \{S. N.\} and Albuquerque, \{D. S.D.\} and D. Aleksandrov and B. Alessandro and Alfanda, \{H. M.\} and \{Alfaro Molina\}, R. and Y. Ali and A. Alici and A. Alkin and J. Alme and T. Alt and L. Altenkamper and I. Altsybeev and Anaam, \{M. N.\} and C. Andrei and D. Andreou and Andrews, \{H. A.\} and A. Andronic and M. Angeletti and V. Anguelov and C. Anson and T. Anti{\v c}i{\'c} and F. Antinori and P. Antonioli and R. Anwar and N. Apadula and L. Aphecetche and H. Appelsh{\"a}user and S. Arcelli and R. Arnaldi and M. Arratia and Arsene, \{I. C.\} and M. Arslandok and A. Augustinus and \{Bazo Alba\}, \{J. L.\} and Gago, \{A. M.\}",

note = "Publisher Copyright: {\textcopyright} 2018",

year = "2019",

month = mar,

day = "10",

doi = "10.1016/j.physletb.2018.12.033",

language = "English",

volume = "790",

pages = "22--34",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

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TY - JOUR

T1 - Measuring KS 0K± interactions using pp collisions at √s=7 TeV

AU - ALICE Collaboration

AU - Acharya, S.

AU - Acosta, F. T.

AU - Adamová, D.

AU - Adler, A.

AU - Adolfsson, J.

AU - Aggarwal, M. M.

AU - Aglieri Rinella, G.

AU - Agnello, M.

AU - Agrawal, N.

AU - Ahammed, Z.

AU - Ahn, S. U.

AU - Aiola, S.

AU - Akindinov, A.

AU - Al-Turany, M.

AU - Alam, S. N.

AU - Albuquerque, D. S.D.

AU - Aleksandrov, D.

AU - Alessandro, B.

AU - Alfanda, H. M.

AU - Alfaro Molina, R.

AU - Ali, Y.

AU - Alici, A.

AU - Alkin, A.

AU - Alme, J.

AU - Alt, T.

AU - Altenkamper, L.

AU - Altsybeev, I.

AU - Anaam, M. N.

AU - Andrei, C.

AU - Andreou, D.

AU - Andrews, H. A.

AU - Andronic, A.

AU - Angeletti, M.

AU - Anguelov, V.

AU - Anson, C.

AU - Antičić, T.

AU - Antinori, F.

AU - Antonioli, P.

AU - Anwar, R.

AU - Apadula, N.

AU - Aphecetche, L.

AU - Appelshäuser, H.

AU - Arcelli, S.

AU - Arnaldi, R.

AU - Arratia, M.

AU - Arsene, I. C.

AU - Arslandok, M.

AU - Augustinus, A.

AU - Bazo Alba, J. L.

AU - Gago, A. M.

PY - 2019/3/10

Y1 - 2019/3/10

N2 - We present the first measurements of femtoscopic correlations between the KS 0 and K± particles in pp collisions at s=7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS 0K− are found to be equal within the experimental uncertainties to those for KS 0K+. Results of the present study are compared with those from identical-kaon femtoscopic studies also performed with pp collisions at s=7 TeV by ALICE and with a KS 0K± measurement in Pb–Pb collisions at sNN=2.76 TeV. Combined with the Pb–Pb results, our pp analysis is found to be compatible with the interpretation of the a0(980) having a tetraquark structure instead of that of a diquark.

AB - We present the first measurements of femtoscopic correlations between the KS 0 and K± particles in pp collisions at s=7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS 0K− are found to be equal within the experimental uncertainties to those for KS 0K+. Results of the present study are compared with those from identical-kaon femtoscopic studies also performed with pp collisions at s=7 TeV by ALICE and with a KS 0K± measurement in Pb–Pb collisions at sNN=2.76 TeV. Combined with the Pb–Pb results, our pp analysis is found to be compatible with the interpretation of the a0(980) having a tetraquark structure instead of that of a diquark.

UR - https://www.scopus.com/pages/publications/85059933311

U2 - 10.1016/j.physletb.2018.12.033

DO - 10.1016/j.physletb.2018.12.033

M3 - Article

AN - SCOPUS:85059933311

SN - 0370-2693

VL - 790

SP - 22

EP - 34

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -

Measuring KS 0K± interactions using pp collisions at √s=7 TeV

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Measuring K_S ⁰K^± interactions using pp collisions at √s=7 TeV