{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T18:14:34Z","timestamp":1788545674119,"version":"build-2803163510"},"reference-count":59,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"36","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22241303"],"award-info":[{"award-number":["22241303"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22241301"],"award-info":[{"award-number":["22241301"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["T2325024"],"award-info":[{"award-number":["T2325024"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100018617","name":"Liaoning Revitalization Talents Program","doi-asserted-by":"publisher","award":["XLYC2403144"],"award-info":[{"award-number":["XLYC2403144"]}],"id":[{"id":"10.13039\/501100018617","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.science.org"],"crossmark-restriction":true},"short-container-title":["Sci. Adv."],"published-print":{"date-parts":[[2026,9,4]]},"abstract":"<jats:p>\n                    Quantum interference in cold collisions has been predicted to dominate chemical dynamics at low temperatures. However, experimental observations have been largely confined to light-atom systems due to technical challenges. Here, we report direct observation of scattering oscillations in cold ionizing collisions between metastable krypton and rubidium atoms. By combining laser cooling with velocity-mapped ion imaging, we precisely controlled the collision energy from 15 millikelvin to 8 kelvin and detected the ionization products. Below 1 kelvin, pronounced quantum interference between partial waves emerges as the de Broglie wavelength approaches the interaction range. The angular oscillation period scales as\n                    <jats:inline-formula>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\" overflow=\"scroll\">\n                        <mml:mrow>\n                          <mml:msub>\n                            <mml:mi mathvariant=\"normal\">\u03b8<\/mml:mi>\n                            <mml:mi mathvariant=\"normal\">p<\/mml:mi>\n                          <\/mml:msub>\n                          <mml:mo>\u221d<\/mml:mo>\n                          <mml:msup>\n                            <mml:mi>E<\/mml:mi>\n                            <mml:mrow>\n                              <mml:mo>\u2212<\/mml:mo>\n                              <mml:mn>1<\/mml:mn>\n                              <mml:mo>\/<\/mml:mo>\n                              <mml:mn>3<\/mml:mn>\n                            <\/mml:mrow>\n                          <\/mml:msup>\n                        <\/mml:mrow>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    , consistent with a Langevin capture model for van der Waals\u2013dominated collisions. Moreover, interference patterns in the angular distribution\u2013collision temperature spectrum are highly sensitive to the long-range potential shape and reveal subtle shape resonances. These observations were corroborated by theoretical calculations. Our results demonstrate the quantum-classical crossover in heavy-atom systems. This study establishes a versatile platform for studying a wide range of laser-coolable species.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.aeh1789","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T17:58:46Z","timestamp":1788544726000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":0,"title":["Direct observation of quantum scattering oscillations in the controlled Kr*\u00a0+\u00a0Rb cold collision"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-6510-7275","authenticated-orcid":true,"given":"Yu-Chan","family":"Wang","sequence":"first","affiliation":[{"name":"Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-2143-9951","authenticated-orcid":true,"given":"Rui-Fan","family":"Wu","sequence":"additional","affiliation":[{"name":"Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China."},{"name":"Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-1988-2339","authenticated-orcid":true,"given":"Hao","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Chemistry, College of Science, Southern University of Science and Technology, Shenzhen 518055, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhao-Cong","family":"Shi","sequence":"additional","affiliation":[{"name":"Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2512-7414","authenticated-orcid":true,"given":"Guo-Min","family":"Yang","sequence":"additional","affiliation":[{"name":"Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3723-4233","authenticated-orcid":true,"given":"Ya-Fu","family":"Guan","sequence":"additional","affiliation":[{"name":"Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5862-7402","authenticated-orcid":true,"given":"Bin","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Chemistry, College of Science, Southern University of Science and Technology, Shenzhen 518055, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6355-7637","authenticated-orcid":true,"given":"Wei","family":"Jiang","sequence":"additional","affiliation":[{"name":"Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China."},{"name":"Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, China."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1229141"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.1857"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/nphys3904"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41557-018-0152-2"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.123.133401"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41557-020-00578-x"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.adf9836"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-025-62511-5"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.102.223201"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.adr8256"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41570-020-00239-0"},{"key":"e_1_3_2_13_2","first-page":"05504","article-title":"Cold and ultracold molecules: Science, technology and applications","volume":"11","author":"Carr L. 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