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Phys Rev Lett. 2020 Mar 06;124(9):092301. doi: 10.1103/PhysRevLett.124.092301.

Scattering Studies with Low-Energy Kaon-Proton Femtoscopy in Proton-Proton Collisions at the LHC.

Physical review letters

S Acharya, D Adamová, S P Adhya, A Adler, J Adolfsson, M M Aggarwal, G Aglieri Rinella, M Agnello, N Agrawal, Z Ahammed, S Ahmad, S U Ahn, S Aiola, A Akindinov, M Al-Turany, S N Alam, D S D Albuquerque, D Aleksandrov, B Alessandro, H M Alfanda, R Alfaro Molina, B Ali, Y Ali, A Alici, A Alkin, J Alme, T Alt, L Altenkamper, I Altsybeev, M N Anaam, C Andrei, D Andreou, H A Andrews, A Andronic, M Angeletti, V Anguelov, C Anson, T Antičić, F Antinori, P Antonioli, R Anwar, N Apadula, L Aphecetche, H Appelshäuser, S Arcelli, R Arnaldi, M Arratia, I C Arsene, M Arslandok, A Augustinus, R Averbeck, S Aziz, M D Azmi, A Badalà, Y W Baek, S Bagnasco, R Bailhache, R Bala, A Baldisseri, M Ball, R C Baral, R Barbera, L Barioglio, G G Barnaföldi, L S Barnby, V Barret, P Bartalini, K Barth, E Bartsch, F Baruffaldi, N Bastid, S Basu, G Batigne, B Batyunya, P C Batzing, D Bauri, J L Bazo Alba, I G Bearden, C Bedda, N K Behera, I Belikov, F Bellini, R Bellwied, V Belyaev, G Bencedi, S Beole, A Bercuci, Y Berdnikov, D Berenyi, R A Bertens, D Berzano, L Betev, A Bhasin, I R Bhat, H Bhatt, B Bhattacharjee, A Bianchi, L Bianchi, N Bianchi, J Bielčík, J Bielčíková, A Bilandzic, G Biro, R Biswas, S Biswas, J T Blair, D Blau, C Blume, G Boca, F Bock, A Bogdanov, L Boldizsár, A Bolozdynya, M Bombara, G Bonomi, M Bonora, H Borel, A Borissov, M Borri, H Bossi, E Botta, C Bourjau, L Bratrud, P Braun-Munzinger, M Bregant, T A Broker, M Broz, E J Brucken, E Bruna, G E Bruno, M D Buckland, D Budnikov, H Buesching, S Bufalino, O Bugnon, P Buhler, P Buncic, O Busch, Z Buthelezi, J B Butt, J T Buxton, D Caffarri, A Caliva, E Calvo Villar, R S Camacho, P Camerini, A A Capon, F Carnesecchi, J Castillo Castellanos, A J Castro, E A R Casula, F Catalano, C Ceballos Sanchez, P Chakraborty, S Chandra, B Chang, W Chang, S Chapeland, M Chartier, S Chattopadhyay, S Chattopadhyay, A Chauvin, C Cheshkov, B Cheynis, V Chibante Barroso, D D Chinellato, S Cho, P Chochula, T Chowdhury, P Christakoglou, C H Christensen, P Christiansen, T Chujo, C Cicalo, L Cifarelli, F Cindolo, J Cleymans, F Colamaria, D Colella, A Collu, M Colocci, M Concas, G Conesa Balbastre, Z Conesa Del Valle, G Contin, J G Contreras, T M Cormier, Y Corrales Morales, P Cortese, M R Cosentino, F Costa, S Costanza, J Crkovská, P Crochet, E Cuautle, L Cunqueiro, D Dabrowski, T Dahms, A Dainese, F P A Damas, S Dani, M C Danisch, A Danu, D Das, I Das, S Das, A Dash, S Dash, A Dashi, S De, A De Caro, G de Cataldo, C de Conti, J de Cuveland, A De Falco, D De Gruttola, N De Marco, S De Pasquale, R D De Souza, S Deb, H F Degenhardt, A Deisting, K R Deja, A Deloff, S Delsanto, P Dhankher, D Di Bari, A Di Mauro, R A Diaz, T Dietel, P Dillenseger, Y Ding, R Divià, Ø Djuvsland, U Dmitrieva, A Dobrin, B Dönigus, O Dordic, A K Dubey, A Dubla, S Dudi, A K Duggal, M Dukhishyam, P Dupieux, R J Ehlers, D Elia, H Engel, E Epple, B Erazmus, F Erhardt, A Erokhin, M R Ersdal, B Espagnon, G Eulisse, J Eum, D Evans, S Evdokimov, L Fabbietti, M Faggin, J Faivre, A Fantoni, M Fasel, P Fecchio, L Feldkamp, A Feliciello, G Feofilov, A Fernández Téllez, A Ferrero, A Ferretti, A Festanti, V J G Feuillard, J Figiel, S Filchagin, D Finogeev, F M Fionda, G Fiorenza, F Flor, S Foertsch, P Foka, S Fokin, E Fragiacomo, A Francisco, U Frankenfeld, G G Fronze, U Fuchs, C Furget, A Furs, M Fusco Girard, J J Gaardhøje, M Gagliardi, A M Gago, A Gal, C D Galvan, P Ganoti, C Garabatos, E Garcia-Solis, K Garg, C Gargiulo, K Garner, P Gasik, E F Gauger, M B Gay Ducati, M Germain, J Ghosh, P Ghosh, S K Ghosh, P Gianotti, P Giubellino, P Giubilato, P Glässel, D M Goméz Coral, A Gomez Ramirez, V Gonzalez, P González-Zamora, S Gorbunov, L Görlich, S Gotovac, V Grabski, L K Graczykowski, K L Graham, L Greiner, A Grelli, C Grigoras, V Grigoriev, A Grigoryan, S Grigoryan, O S Groettvik, J M Gronefeld, F Grosa, J F Grosse-Oetringhaus, R Grosso, R Guernane, B Guerzoni, M Guittiere, K Gulbrandsen, T Gunji, A Gupta, R Gupta, I B Guzman, R Haake, M K Habib, C Hadjidakis, H Hamagaki, G Hamar, M Hamid, J C Hamon, R Hannigan, M R Haque, A Harlenderova, J W Harris, A Harton, H Hassan, D Hatzifotiadou, P Hauer, S Hayashi, S T Heckel, E Hellbär, H Helstrup, A Herghelegiu, E G Hernandez, G Herrera Corral, F Herrmann, K F Hetland, T E Hilden, H Hillemanns, C Hills, B Hippolyte, B Hohlweger, D Horak, S Hornung, R Hosokawa, P Hristov, C Huang, C Hughes, P Huhn, T J Humanic, H Hushnud, L A Husova, N Hussain, S A Hussain, T Hussain, D Hutter, D S Hwang, J P Iddon, R Ilkaev, M Inaba, M Ippolitov, M S Islam, M Ivanov, V Ivanov, V Izucheev, B Jacak, N Jacazio, P M Jacobs, M B Jadhav, S Jadlovska, J Jadlovsky, S Jaelani, C Jahnke, M J Jakubowska, M A Janik, M Jercic, O Jevons, R T Jimenez Bustamante, M Jin, F Jonas, P G Jones, A Jusko, P Kalinak, A Kalweit, J H Kang, V Kaplin, S Kar, A Karasu Uysal, O Karavichev, T Karavicheva, P Karczmarczyk, E Karpechev, U Kebschull, R Keidel, M Keil, B Ketzer, Z Khabanova, A M Khan, S Khan, S A Khan, A Khanzadeev, Y Kharlov, A Khatun, A Khuntia, B Kileng, B Kim, B Kim, D Kim, D J Kim, E J Kim, H Kim, J S Kim, J Kim, J Kim, J Kim, M Kim, S Kim, T Kim, T Kim, K Kindra, S Kirsch, I Kisel, S Kiselev, A Kisiel, J L Klay, C Klein, J Klein, S Klein, C Klein-Bösing, S Klewin, A Kluge, M L Knichel, A G Knospe, C Kobdaj, M K Köhler, T Kollegger, A Kondratyev, N Kondratyeva, E Kondratyuk, P J Konopka, L Koska, O Kovalenko, V Kovalenko, M Kowalski, I Králik, A Kravčáková, L Kreis, M Krivda, F Krizek, K Krizkova Gajdosova, M Krüger, E Kryshen, M Krzewicki, A M Kubera, V Kučera, C Kuhn, P G Kuijer, L Kumar, S Kumar, S Kundu, P Kurashvili, A Kurepin, A B Kurepin, S Kushpil, J Kvapil, M J Kweon, Y Kwon, S L La Pointe, P La Rocca, Y S Lai, R Langoy, K Lapidus, A Lardeux, P Larionov, E Laudi, R Lavicka, T Lazareva, R Lea, L Leardini, S Lee, F Lehas, S Lehner, J Lehrbach, R C Lemmon, I León Monzón, E D Lesser, M Lettrich, P Lévai, X Li, X L Li, J Lien, R Lietava, B Lim, S Lindal, V Lindenstruth, S W Lindsay, C Lippmann, M A Lisa, V Litichevskyi, A Liu, S Liu, H M Ljunggren, W J Llope, I M Lofnes, V Loginov, C Loizides, P Loncar, X Lopez, E López Torres, P Luettig, J R Luhder, M Lunardon, G Luparello, M Lupi, A Maevskaya, M Mager, S M Mahmood, T Mahmoud, A Maire, R D Majka, M Malaev, Q W Malik, L Malinina, D Mal'Kevich, P Malzacher, A Mamonov, V Manko, F Manso, V Manzari, Y Mao, M Marchisone, J Mareš, G V Margagliotti, A Margotti, J Margutti, A Marín, C Markert, M Marquard, N A Martin, P Martinengo, J L Martinez, M I Martínez, G Martínez García, M Martinez Pedreira, S Masciocchi, M Masera, A Masoni, L Massacrier, E Masson, A Mastroserio, A M Mathis, P F T Matuoka, A Matyja, C Mayer, M Mazzilli, M A Mazzoni, A F Mechler, F Meddi, Y Melikyan, A Menchaca-Rocha, E Meninno, M Meres, S Mhlanga, Y Miake, L Micheletti, M M Mieskolainen, D L Mihaylov, K Mikhaylov, A Mischke, A N Mishra, D Miśkowiec, C M Mitu, N Mohammadi, A P Mohanty, B Mohanty, M Mohisin Khan, M Mondal, M M Mondal, C Mordasini, D A Moreira De Godoy, L A P Moreno, S Moretto, A Morreale, A Morsch, T Mrnjavac, V Muccifora, E Mudnic, D Mühlheim, S Muhuri, J D Mulligan, M G Munhoz, K Münning, R H Munzer, H Murakami, S Murray, L Musa, J Musinsky, C J Myers, J W Myrcha, B Naik, R Nair, B K Nandi, R Nania, E Nappi, M U Naru, A F Nassirpour, H Natal da Luz, C Nattrass, R Nayak, T K Nayak, S Nazarenko, R A Negrao De Oliveira, L Nellen, S V Nesbo, G Neskovic, B S Nielsen, S Nikolaev, S Nikulin, V Nikulin, F Noferini, P Nomokonov, G Nooren, J Norman, P Nowakowski, A Nyanin, J Nystrand, M Ogino, A Ohlson, J Oleniacz, A C Oliveira Da Silva, M H Oliver, J Onderwaater, C Oppedisano, R Orava, A Ortiz Velasquez, A Oskarsson, J Otwinowski, K Oyama, Y Pachmayer, V Pacik, D Pagano, G Paić, P Palni, J Pan, A K Pandey, S Panebianco, V Papikyan, P Pareek, J Park, J E Parkkila, S Parmar, A Passfeld, S P Pathak, R N Patra, B Paul, H Pei, T Peitzmann, X Peng, L G Pereira, H Pereira Da Costa, D Peresunko, G M Perez, E Perez Lezama, V Peskov, Y Pestov, V Petráček, M Petrovici, R P Pezzi, S Piano, M Pikna, P Pillot, L O D L Pimentel, O Pinazza, L Pinsky, S Pisano, D B Piyarathna, M Płoskoń, M Planinic, F Pliquett, J Pluta, S Pochybova, M G Poghosyan, B Polichtchouk, N Poljak, W Poonsawat, A Pop, H Poppenborg, S Porteboeuf-Houssais, V Pozdniakov, S K Prasad, R Preghenella, F Prino, C A Pruneau, I Pshenichnov, M Puccio, V Punin, K Puranapanda, J Putschke, R E Quishpe, S Ragoni, S Raha, S Rajput, J Rak, A Rakotozafindrabe, L Ramello, F Rami, R Raniwala, S Raniwala, S S Räsänen, B T Rascanu, R Rath, V Ratza, I Ravasenga, K F Read, K Redlich, A Rehman, P Reichelt, F Reidt, X Ren, R Renfordt, A Reshetin, J-P Revol, K Reygers, V Riabov, T Richert, M Richter, P Riedler, W Riegler, F Riggi, C Ristea, S P Rode, M Rodríguez Cahuantzi, K Røed, R Rogalev, E Rogochaya, D Rohr, D Röhrich, P S Rokita, F Ronchetti, E D Rosas, K Roslon, P Rosnet, A Rossi, A Rotondi, F Roukoutakis, A Roy, P Roy, O V Rueda, R Rui, B Rumyantsev, A Rustamov, E Ryabinkin, Y Ryabov, A Rybicki, H Rytkonen, S Saarinen, S Sadhu, S Sadovsky, K Šafařík, S K Saha, B Sahoo, P Sahoo, R Sahoo, S Sahoo, P K Sahu, J Saini, S Sakai, S Sambyal, V Samsonov, A Sandoval, A Sarkar, D Sarkar, N Sarkar, P Sarma, V M Sarti, M H P Sas, E Scapparone, B Schaefer, J Schambach, H S Scheid, C Schiaua, R Schicker, A Schmah, C Schmidt, H R Schmidt, M O Schmidt, M Schmidt, N V Schmidt, A R Schmier, J Schukraft, Y Schutz, K Schwarz, K Schweda, G Scioli, E Scomparin, M Šefčík, J E Seger, Y Sekiguchi, D Sekihata, I Selyuzhenkov, S Senyukov, E Serradilla, P Sett, A Sevcenco, A Shabanov, A Shabetai, R Shahoyan, W Shaikh, A Shangaraev, A Sharma, A Sharma, M Sharma, N Sharma, A I Sheikh, K Shigaki, M Shimomura, S Shirinkin, Q Shou, Y Sibiriak, S Siddhanta, T Siemiarczuk, D Silvermyr, G Simatovic, G Simonetti, R Singh, R Singh, V K Singh, V Singhal, T Sinha, B Sitar, M Sitta, T B Skaali, M Slupecki, N Smirnov, R J M Snellings, T W Snellman, J Sochan, C Soncco, J Song, A Songmoolnak, F Soramel, S Sorensen, I Sputowska, J Stachel, I Stan, P Stankus, P J Steffanic, E Stenlund, D Stocco, M M Storetvedt, P Strmen, A A P Suaide, T Sugitate, C Suire, M Suleymanov, M Suljic, R Sultanov, M Šumbera, S Sumowidagdo, K Suzuki, S Swain, A Szabo, I Szarka, U Tabassam, G Taillepied, J Takahashi, G J Tambave, S Tang, M Tarhini, M G Tarzila, A Tauro, G Tejeda Muñoz, A Telesca, C Terrevoli, D Thakur, S Thakur, D Thomas, F Thoresen, R Tieulent, A Tikhonov, A R Timmins, A Toia, N Topilskaya, M Toppi, F Torales-Acosta, S R Torres, S Tripathy, T Tripathy, S Trogolo, G Trombetta, L Tropp, V Trubnikov, W H Trzaska, T P Trzcinski, B A Trzeciak, T Tsuji, A Tumkin, R Turrisi, T S Tveter, K Ullaland, E N Umaka, A Uras, G L Usai, A Utrobicic, M Vala, N Valle, S Vallero, N van der Kolk, L V R van Doremalen, M van Leeuwen, P Vande Vyvre, D Varga, M Varga-Kofarago, A Vargas, M Vargyas, R Varma, M Vasileiou, A Vasiliev, O Vázquez Doce, V Vechernin, A M Veen, E Vercellin, S Vergara Limón, L Vermunt, R Vernet, R Vértesi, L Vickovic, J Viinikainen, Z Vilakazi, O Villalobos Baillie, A Villatoro Tello, G Vino, A Vinogradov, T Virgili, V Vislavicius, A Vodopyanov, B Volkel, M A Völkl, K Voloshin, S A Voloshin, G Volpe, B von Haller, I Vorobyev, D Voscek, J Vrláková, B Wagner, Y Watanabe, M Weber, S G Weber, A Wegrzynek, D F Weiser, S C Wenzel, J P Wessels, U Westerhoff, A M Whitehead, E Widmann, J Wiechula, J Wikne, G Wilk, J Wilkinson, G A Willems, E Willsher, B Windelband, W E Witt, Y Wu, R Xu, S Yalcin, K Yamakawa, S Yang, S Yano, Z Yin, H Yokoyama, I-K Yoo, J H Yoon, S Yuan, A Yuncu, V Yurchenko, V Zaccolo, A Zaman, C Zampolli, H J C Zanoli, N Zardoshti, A Zarochentsev, P Závada, N Zaviyalov, H Zbroszczyk, M Zhalov, X Zhang, Z Zhang, C Zhao, V Zherebchevskii, N Zhigareva, D Zhou, Y Zhou, Z Zhou, J Zhu, Y Zhu, A Zichichi, M B Zimmermann, G Zinovjev, N Zurlo,

Affiliations

  1. Variable Energy Cyclotron Centre, Homi Bhabha National Institute, Kolkata, India.
  2. Nuclear Physics Institute of the Czech Academy of Sciences, ?ež u Prahy, Czech Republic.
  3. Johann-Wolfgang-Goethe Universität Frankfurt Institut für Informatik, Fachbereich Informatik und Mathematik, Frankfurt, Germany.
  4. Lund University Department of Physics, Division of Particle Physics, Lund, Sweden.
  5. Physics Department, Panjab University, Chandigarh, India.
  6. European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  7. Dipartimento DISAT del Politecnico and Sezione INFN, Turin, Italy.
  8. Centro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi', Rome, Italy.
  9. Department of Physics, Aligarh Muslim University, Aligarh, India.
  10. Korea Institute of Science and Technology Information, Daejeon, Republic of Korea.
  11. Yale University, New Haven, Connecticut, USA.
  12. Institute for Theoretical and Experimental Physics, Moscow, Russia.
  13. Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany.
  14. Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil.
  15. National Research Centre Kurchatov Institute, Moscow, Russia.
  16. INFN, Sezione di Torino, Turin, Italy.
  17. Central China Normal University, Wuhan, China.
  18. Instituto de Física, Universidad Nacional Autónoma de México, Mexico City, Mexico.
  19. COMSATS University Islamabad, Islamabad, Pakistan.
  20. Dipartimento di Fisica e Astronomia dell'Università, Bologna, Italy.
  21. Sezione INFN, Bologna, Italy.
  22. INFN, Sezione di Bologna, Bologna, Italy.
  23. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kiev, Ukraine.
  24. Department of Physics and Technology, University of Bergen, Bergen, Norway.
  25. Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany.
  26. St. Petersburg State University, St. Petersburg, Russia.
  27. Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania.
  28. School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom.
  29. Westfälische Wilhelms-Universität Münster, Institut für Kernphysik, Münster, Germany.
  30. Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
  31. Creighton University, Omaha, Nebraska, USA.
  32. Rudjer Boškovi? Institute, Zagreb, Croatia.
  33. INFN, Sezione di Padova, Padova, Italy.
  34. University of Houston, Houston, Texas, USA.
  35. Lawrence Berkeley National Laboratory, Berkeley, California, USA.
  36. SUBATECH, IMT Atlantique, Université de Nantes, CNRS-IN2P3, Nantes, France.
  37. Department of Physics, University of Oslo, Oslo, Norway.
  38. Institut de Physique Nucléaire d'Orsay (IPNO), Institut National de Physique Nucléaire et de Physique des Particules (IN2P3/CNRS), Université de Paris-Sud, Université Paris-Saclay, Orsay, France.
  39. INFN, Sezione di Catania, Catania, Italy.
  40. Gangneung-Wonju National University, Gangneung, Republic of Korea.
  41. Physics Department, University of Jammu, Jammu, India.
  42. Université Paris-Saclay Centre d'Etudes de Saclay (CEA), IRFU, Départment de Physique Nucléaire (DPhN), Saclay, France.
  43. Helmholtz-Institut für Strahlen- und Kernphysik, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany.
  44. National Institute of Science Education and Research, Homi Bhabha National Institute, Jatni, India.
  45. Dipartimento di Fisica e Astronomia dell'Università, Catania, Italy.
  46. Sezione INFN, Catania, Italy.
  47. Dipartimento di Fisica dell'Università, Turin, Italy.
  48. Sezione INFN, Turin, Italy.
  49. Wigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, Hungary.
  50. Nuclear Physics Group, STFC Daresbury Laboratory, Daresbury, United Kingdom.
  51. Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
  52. Dipartimento di Fisica e Astronomia dell'Università, Padova, Italy.
  53. Sezione INFN, Padova, Italy.
  54. Wayne State University, Detroit, Michigan, USA.
  55. Joint Institute for Nuclear Research (JINR), Dubna, Russia.
  56. Indian Institute of Technology Bombay (IIT), Mumbai, India.
  57. Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Lima, Peru.
  58. Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark.
  59. Institute for Subatomic Physics, Utrecht University/Nikhef, Utrecht, Netherlands.
  60. Inha University, Incheon, Republic of Korea.
  61. Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France, Strasbourg, France.
  62. NRNU Moscow Engineering Physics Institute, Moscow, Russia.
  63. Petersburg Nuclear Physics Institute, Gatchina, Russia.
  64. University of Tennessee, Knoxville, Tennessee, USA.
  65. Gauhati University, Department of Physics, Guwahati, India.
  66. INFN, Laboratori Nazionali di Frascati, Frascati, Italy.
  67. Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic.
  68. Physik Department, Technische Universität München, Munich, Germany.
  69. Technische Universität München, Excellence Cluster 'Universe', Munich, Germany.
  70. Bose Institute, Department of Physics, Kolkata, India.
  71. Centre for Astroparticle Physics and Space Science (CAPSS), Kolkata, India.
  72. The University of Texas at Austin, Austin, Texas, USA.
  73. Università degli Studi di Pavia, Pavia, Italy.
  74. Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.
  75. Faculty of Science, P.J. Šafárik University, Košice, Slovakia.
  76. Università di Brescia, Brescia, Italy.
  77. University of Liverpool, Liverpool, United Kingdom.
  78. Universidade de São Paulo (USP), São Paulo, Brazil.
  79. Helsinki Institute of Physics (HIP), Helsinki, Finland.
  80. Dipartimento Interateneo di Fisica 'M. Merlin', Bari, Italy.
  81. Sezione INFN, Bari, Italy.
  82. Politecnico di Bari, Bari, Italy.
  83. Russian Federal Nuclear Center (VNIIEF), Sarov, Russia.
  84. Stefan Meyer Institut für Subatomare Physik (SMI), Vienna, Austria.
  85. University of Tsukuba, Tsukuba, Japan.
  86. iThemba LABS, National Research Foundation, Somerset West, South Africa.
  87. Ohio State University, Columbus, Ohio, USA.
  88. Nikhef, National institute for subatomic physics, Amsterdam, Netherlands.
  89. High Energy Physics Group, Universidad Autónoma de Puebla, Puebla, Mexico.
  90. Dipartimento di Fisica dell'Università, Trieste, Italy.
  91. Sezione INFN, Trieste, Italy.
  92. INFN, Sezione di Cagliari, Cagliari, Italy.
  93. INFN, Sezione di Bari, Bari, Italy.
  94. University of Jyväskylä, Jyväskylä, Finland.
  95. Saha Institute of Nuclear Physics, Homi Bhabha National Institute, Kolkata, India.
  96. Dipartimento di Fisica dell'Università, Cagliari, Italy.
  97. Sezione INFN, Cagliari, Italy.
  98. Université de Lyon, Université Lyon 1, CNRS/IN2P3, IPN-Lyon, Villeurbanne, Lyon, France.
  99. University of Cape Town, Cape Town, South Africa.
  100. Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS-IN2P3, Grenoble, France.
  101. Dipartimento di Scienze e Innovazione Tecnologica dell'Università del Piemonte Orientale and INFN Sezione di Torino, Alessandria, Italy.
  102. Universidade Federal do ABC, Santo Andre, Brazil.
  103. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, Mexico.
  104. Warsaw University of Technology, Warsaw, Poland.
  105. Institute of Physics, Homi Bhabha National Institute, Bhubaneswar, India.
  106. Institute of Space Science (ISS), Bucharest, Romania.
  107. Indian Institute of Technology Indore, Indore, India.
  108. Dipartimento di Fisica 'E.R. Caianiello' dell'Università, Salerno, Italy.
  109. Gruppo Collegato INFN, Salerno, Italy.
  110. Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany.
  111. National Centre for Nuclear Research, Warsaw, Poland.
  112. University of the Witwatersrand, Johannesburg, South Africa.
  113. Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Havana, Cuba.
  114. Institute for Nuclear Research, Academy of Sciences, Moscow, Russia.
  115. Physics department, Faculty of science, University of Zagreb, Zagreb, Croatia.
  116. Department of Physics, Pusan National University, Pusan, Republic of Korea.
  117. NRC Kurchatov Institute IHEP, Protvino, Russia.
  118. The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland.
  119. INFN, Sezione di Trieste, Trieste, Italy.
  120. Universidad Autónoma de Sinaloa, Culiacán, Mexico.
  121. National and Kapodistrian University of Athens, School of Science, Department of Physics, Athens, Greece.
  122. Chicago State University, Chicago, Illinois, USA.
  123. Instituto de Física, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.
  124. Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, Split, Croatia.
  125. A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation, Yerevan, Armenia.
  126. University of Tokyo, Tokyo, Japan.
  127. Nagasaki Institute of Applied Science, Nagasaki, Japan.
  128. Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway.
  129. Centro de Investigación y de Estudios Avanzados (CINVESTAV), Mexico City and Mérida, Mexico.
  130. Department of Physics, Sejong University, Seoul, Republic of Korea.
  131. Technical University of Košice, Košice, Slovakia.
  132. Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia.
  133. Yonsei University, Seoul, Republic of Korea.
  134. KTO Karatay University, Konya, Turkey.
  135. Hochschule Worms, Zentrum für Technologietransfer und Telekommunikation (ZTT), Worms, Germany.
  136. Chonbuk National University, Jeonju, Republic of Korea.
  137. California Polytechnic State University, San Luis Obispo, California, USA.
  138. Suranaree University of Technology, Nakhon Ratchasima, Thailand.
  139. University College of Southeast Norway, Tonsberg, Norway.
  140. Department of Physics, University of California, Berkeley, California, USA.
  141. China Institute of Atomic Energy, Beijing, China.
  142. Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic.
  143. Università degli Studi di Foggia, Foggia, Italy.
  144. INFN, Sezione di Roma, Rome, Italy.
  145. Dipartimento di Fisica dell'Università 'La Sapienza', Rome, Italy.
  146. Sezione INFN, Rome, Italy.
  147. Comenius University Bratislava, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovakia.
  148. Budker Institute for Nuclear Physics, Novosibirsk, Russia.
  149. Physics Department, University of Rajasthan, Jaipur, India.
  150. National Nuclear Research Center, Baku, Azerbaijan.
  151. Physikalisches Institut, Eberhard-Karls-Universität Tübingen, Tübingen, Germany.
  152. Hiroshima University, Hiroshima, Japan.
  153. Nara Women's University (NWU), Nara, Japan.
  154. Shanghai Institute of Applied Physics, Shanghai, China.
  155. Indonesian Institute of Sciences, Jakarta, Indonesia.
  156. Centre de Calcul de l'IN2P3, Villeurbanne, Lyon, France.
  157. University of Science and Techonology of China, Hefei, China.

PMID: 32202883 DOI: 10.1103/PhysRevLett.124.092301

Abstract

The study of the strength and behavior of the antikaon-nucleon (K[over ¯]N) interaction constitutes one of the key focuses of the strangeness sector in low-energy quantum chromodynamics (QCD). In this Letter a unique high-precision measurement of the strong interaction between kaons and protons, close and above the kinematic threshold, is presented. The femtoscopic measurements of the correlation function at low pair-frame relative momentum of (K^{+}p⊕K^{-}p[over ¯]) and (K^{-}p⊕K^{+}p[over ¯]) pairs measured in pp collisions at sqrt[s]=5, 7, and 13 TeV are reported. A structure observed around a relative momentum of 58  MeV/c in the measured correlation function of (K^{-}p⊕K^{+}p[over ¯]) with a significance of 4.4σ constitutes the first experimental evidence for the opening of the (K[over ¯]^{0}n⊕K^{0}n[over ¯]) isospin breaking channel due to the mass difference between charged and neutral kaons. The measured correlation functions have been compared to Jülich and Kyoto models in addition to the Coulomb potential. The high-precision data at low relative momenta presented in this work prove femtoscopy to be a powerful complementary tool to scattering experiments and provide new constraints above the K[over ¯]N threshold for low-energy QCD chiral models.

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