Low-energy antiproton-neon interaction |
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| Affiliation: | 1. School of Material Science & Engineering, Shanghai Institute of Technology, Shanghai 201418, China;2. Road Research Institute, Shanghai Road and Bridge (Group) Co., Ltd, Shanghai 200030, China;1. A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation, Yerevan, Armenia;2. AGH University of Krakow, Cracow, Poland;3. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kiev, Ukraine;4. Bose Institute, Department of Physics and Centre for Astroparticle Physics and Space Science (CAPSS), Kolkata, India;5. California Polytechnic State University, San Luis Obispo, CA, United States;6. Central China Normal University, Wuhan, China;7. Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Havana, Cuba;8. Centro de Investigación y de Estudios Avanzados (CINVESTAV), Mexico City and Mérida, Mexico;9. Chicago State University, Chicago, IL, United States;10. China Institute of Atomic Energy, Beijing, China;11. China University of Geosciences, Wuhan, China;12. Chungbuk National University, Cheongju, Republic of Korea;13. Comenius University Bratislava, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovak Republic;14. COMSATS University Islamabad, Islamabad, Pakistan;15. Creighton University, Omaha, NE, United States;16. Department of Physics, Aligarh Muslim University, Aligarh, India;17. Department of Physics, Pusan National University, Pusan, Republic of Korea;18. Department of Physics, Sejong University, Seoul, Republic of Korea;19. Department of Physics, University of California, Berkeley, CA, United States;20. Department of Physics, University of Oslo, Oslo, Norway;21. Department of Physics and Technology, University of Bergen, Bergen, Norway;22. Dipartimento di Fisica, Università di Pavia, Pavia, Italy;23. Dipartimento di Fisica dell''Università and Sezione INFN, Cagliari, Italy;24. Dipartimento di Fisica dell''Università and Sezione INFN, Trieste, Italy;25. Dipartimento di Fisica dell''Università and Sezione INFN, Turin, Italy;26. Dipartimento di Fisica e Astronomia dell''Università and Sezione INFN, Bologna, Italy;27. Dipartimento di Fisica e Astronomia dell''Università and Sezione INFN, Catania, Italy;28. Dipartimento di Fisica e Astronomia dell''Università and Sezione INFN, Padova, Italy;29. Dipartimento di Fisica ‘E.R. Caianiello’ dell''Università and Gruppo Collegato INFN, Salerno, Italy;30. Dipartimento DISAT del Politecnico and Sezione INFN, Turin, Italy;31. Dipartimento di Scienze MIFT, Università di Messina, Messina, Italy;32. Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN, Bari, Italy;33. European Organization for Nuclear Research (CERN), Geneva, Switzerland;34. Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, Split, Croatia;35. Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway;36. Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic;37. Faculty of Physics, Sofia University, Sofia, Bulgaria;38. Faculty of Science, P.J. Šafárik University, Košice, Slovak Republic;39. Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany;40. Fudan University, Shanghai, China;41. Gangneung-Wonju National University, Gangneung, Republic of Korea;42. Gauhati University, Department of Physics, Guwahati, India;43. Helmholtz-Institut für Strahlen- und Kernphysik, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany;44. Helsinki Institute of Physics (HIP), Helsinki, Finland;45. High Energy Physics Group, Universidad Autónoma de Puebla, Puebla, Mexico;46. Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania;47. HUN-REN Wigner Research Centre for Physics, Budapest, Hungary;48. Indian Institute of Technology Bombay (IIT), Mumbai, India;49. Indian Institute of Technology Indore, Indore, India;50. INFN, Laboratori Nazionali di Frascati, Frascati, Italy;51. INFN, Sezione di Bari, Bari, Italy;52. INFN, Sezione di Bologna, Bologna, Italy;53. INFN, Sezione di Cagliari, Cagliari, Italy;54. INFN, Sezione di Catania, Catania, Italy;55. INFN, Sezione di Padova, Padova, Italy;56. INFN, Sezione di Pavia, Pavia, Italy;57. INFN, Sezione di Torino, Turin, Italy;58. INFN, Sezione di Trieste, Trieste, Italy;59. Inha University, Incheon, Republic of Korea;60. Institute for Gravitational and Subatomic Physics (GRASP), Utrecht University/Nikhef, Utrecht, Netherlands;61. Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovak Republic;62. Institute of Physics, Homi Bhabha National Institute, Bhubaneswar, India;63. Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic;64. Institute of Space Science (ISS), Bucharest, Romania;65. Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany;66. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, Mexico;67. Instituto de Física, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil;68. Instituto de Física, Universidad Nacional Autónoma de México, Mexico City, Mexico;69. iThemba LABS, National Research Foundation, Somerset West, South Africa;70. Jeonbuk National University, Jeonju, Republic of Korea;71. Johann-Wolfgang-Goethe Universität Frankfurt Institut für Informatik, Fachbereich Informatik und Mathematik, Frankfurt, Germany;72. Korea Institute of Science and Technology Information, Daejeon, Republic of Korea;73. KTO Karatay University, Konya, Turkey;74. Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS-IN2P3, Grenoble, France;75. Lawrence Berkeley National Laboratory, Berkeley, CA, United States;76. Lund University Department of Physics, Division of Particle Physics, Lund, Sweden;77. Nagasaki Institute of Applied Science, Nagasaki, Japan;78. Nara Women''s University (NWU), Nara, Japan;79. National and Kapodistrian University of Athens, School of Science, Department of Physics, Athens, Greece;80. National Centre for Nuclear Research, Warsaw, Poland;81. National Institute of Science Education and Research, Homi Bhabha National Institute, Jatni, India;82. National Nuclear Research Center, Baku, Azerbaijan;83. National Research and Innovation Agency - BRIN, Jakarta, Indonesia;84. Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark;85. Nikhef, National institute for subatomic physics, Amsterdam, Netherlands;86. Nuclear Physics Group, STFC Daresbury Laboratory, Daresbury, United Kingdom;87. Nuclear Physics Institute of the Czech Academy of Sciences, Husinec-Řež, Czech Republic;88. Oak Ridge National Laboratory, Oak Ridge, TN, United States;89. Ohio State University, Columbus, OH, United States;90. Physics department, Faculty of science, University of Zagreb, Zagreb, Croatia;91. Physics Department, Panjab University, Chandigarh, India;92. Physics Department, University of Jammu, Jammu, India;93. Physics Program and International Institute for Sustainability with Knotted Chiral Meta Matter (SKCM2), Hiroshima University, Hiroshima, Japan;94. Physikalisches Institut, Eberhard-Karls-Universität Tübingen, Tübingen, Germany;95. Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany;96. Physik Department, Technische Universität München, Munich, Germany;97. Politecnico di Bari and Sezione INFN, Bari, Italy;98. Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany;99. Saga University, Saga, Japan;100. Saha Institute of Nuclear Physics, Homi Bhabha National Institute, Kolkata, India;101. School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom;102. Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Lima, Peru;103. Stefan Meyer Institut für Subatomare Physik (SMI), Vienna, Austria;104. SUBATECH, IMT Atlantique, Nantes Université, CNRS-IN2P3, Nantes, France;105. Sungkyunkwan University, Suwon City, Republic of Korea;106. Suranaree University of Technology, Nakhon Ratchasima, Thailand;107. Technical University of Košice, Košice, Slovak Republic;108. The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland;109. The University of Texas at Austin, Austin, TX, United States;110. Universidad Autónoma de Sinaloa, Culiacán, Mexico;111. Universidade de São Paulo (USP), São Paulo, Brazil;112. Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil;113. Universidade Federal do ABC, Santo Andre, Brazil;114. Universitatea Nationala de Stiinta si Tehnologie Politehnica Bucuresti, Bucharest, Romania;115. University of Cape Town, Cape Town, South Africa;116. University of Houston, Houston, TX, United States;117. University of Jyväskylä, Jyväskylä, Finland;118. University of Kansas, Lawrence, KS, United States;119. University of Liverpool, Liverpool, United Kingdom;120. University of Science and Technology of China, Hefei, China;121. University of South-Eastern Norway, Kongsberg, Norway;122. University of Tennessee, Knoxville, TN, United States;123. University of the Witwatersrand, Johannesburg, South Africa;124. University of Tokyo, Tokyo, Japan;125. University of Tsukuba, Tsukuba, Japan;126. Universität Münster, Institut für Kernphysik, Münster, Germany;127. Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France;128. Université de Lyon, CNRS/IN2P3, Institut de Physique des 2 Infinis de Lyon, Lyon, France;129. Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France, Strasbourg, France;130. Université Paris-Saclay, Centre d''Etudes de Saclay (CEA), IRFU, Départment de Physique Nucléaire (DPhN), Saclay, France;131. Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France;132. Università degli Studi di Foggia, Foggia, Italy;133. Università del Piemonte Orientale, Vercelli, Italy;134. Università di Brescia, Brescia, Italy;135. Variable Energy Cyclotron Centre, Homi Bhabha National Institute, Kolkata, India;136. Warsaw University of Technology, Warsaw, Poland;137. Wayne State University, Detroit, MI, United States;138. Yale University, New Haven, CT, United States;139. Yonsei University, Seoul, Republic of Korea;140. Zentrum für Technologie und Transfer (ZTT), Worms, Germany;141. Affiliated with an institute covered by a cooperation agreement with CERN;142. Affiliated with an international laboratory covered by a cooperation agreement with CERN;1. Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan;2. Department of Chemistry, Biology and Environmental Science, Faculty of Science, Nara Women’s University, Nara, Nara 630-8506, Japan;3. National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan;1. School of Computer Science and Communication Engineering, Jiangsu University, China;2. Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India;3. Department of Electronics and Communication Engineering, Gandhi Institute For Technological Advancement (GITA), Bhubaneswar, Odisha, India;1. Physikalisches Institut, Eberhard Karls Universität Tübingen, Tübingen, Germany;2. Institut für Physik, Johannes Gutenberg Universität Mainz, Mainz, Germany;3. Institut für Experimentalphysik, Universität Hamburg, Hamburg, Germany;4. Oulu Southern Institute and Department of Physics, University of Oulu, Oulu, Finland;5. Physik-Department, Technische Universität München, München, Germany;6. Department of Physics, University of Jyväskylä, Jyväskylä, Finland;7. III. Physikalisches Institut, RWTH Aachen, Aachen, Germany;8. Department of Physics, St. Petersburg State University, St. Petersburg, Russia |
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| Abstract: | By means of a streamer chamber exposed to the LEAR antiproton beams, the total reaction cross sections, the charged-prong multiplicity distributions and lower limits for the production of negative pions and Ks0 in the p̄-Ne interaction were measured at 19.6, 48.7 and 179.6 MeV. Annihilation was found to be dominant over all other non-elastic p̄-Ne processes. An analysis of Ne and other nuclei data in the frame of the Glauber theory allowed us to determine the ratio between the p̄-n and the p̄-p cross sections. An analysis in the light of INC model predictions allowed us to show up events which can be interpreted as annihilations having occurred deeply inside the nuclei. |
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