K 中間子による新物理探査 素粒子物理学の進展 2020 YITP (virtual), Sept 2, 2020 Kohsaku Tobioka ( 飛岡幸作 ) Florida State University Teppei Kitahara, Takemichi Okui, Gilad Perez, Yotam Soreq Collaboration with [Phys.Rev.Lett. 124 (2020) 07180, 1909.11111 +updates ] Stefania Gori, Gilad Perez [2005.05170] Gordan Krnjaic, Gustavo Marques-Tavares, Diego Redigolo [Phys.Rev.Lett. 124 (2020) 041802, 1902.07715]
Outline • Introduction ‣ Why Kaon? Excellent probe for New Physics, FIMP ‣ Rare kaon decay K →π vv at KOTO, and NA62 • Recent results from KAON2019 to ICHEP2020 ‣ NA62 results, KOTO “excess” ‣ New Physics Scenarios • Future prospects ‣ Higgs Portal, Muonic Force, Axion-like-particle Kohsaku Tobioka (FSU) 2
<latexit sha1_base64="d6V12ZDQp0MNTt0MOm/FHcv0U4=">AC3icbZBNS8MwGMfT+TbnW9Wjl7AhbAdHK4N5HoRvExwL7DVkabpFpamJUmFUXb34lfx4kERr34Bb34b064H3fxD4Jf/8zwkz9+NGJXKsr6Nwtr6xuZWcbu0s7u3f2AeHnVlGAtMOjhkoei7SBJGOekoqhjpR4KgwGWk506v0nrvgQhJQ36nZhFxAjTm1KcYKW2NzPLNvVUdukgkcu7VzlKCqaWvmevNayOzYtWtTHAV7BwqIFd7ZH4NvRDHAeEKMyTlwLYi5SRIKIoZmZeGsSQRwlM0JgONHAVEOkm2yxyeaseDfij04Qpm7u+JBAVSzgJXdwZITeRyLTX/qw1i5V84CeVRrAjHi4f8mEVwjQY6FBsGIzDQgLqv8K8QJhJWOr6RDsJdXoXued1u1Ju3jUrMo+jCE5AGVSBDZqgBa5BG3QABo/gGbyCN+PJeDHejY9Fa8HIZ47BHxmfP0F9mfM=</latexit> 日経サイエンス History : Kaons as discovery probes of new physics sd ) − ¯ K 0 ( s ¯ K 0 (¯ oscillation d ) • Charm quark Puzzle: K L → μ + μ - rate too small Glashow-Iliopoulos-Maiani (GIM) mechanism 2x2 matrix → charm as new d.o.f. • CP violation K L (~CP odd) K L →π 0 π 0 π 0 K S (~CP even) K s →π 0 π 0 from CERN Courier Also observed K L →π 0 π 0 !! CKM matrix [3x3 matrix with new phase] Kohsaku Tobioka (FSU) 3
<latexit sha1_base64="91j+o7ruLdWpe1GlWCilT6AMZcw=">AB7XicbVBNSwMxEJ3Ur1q/qh69BIvgqexKoR6LXrwIFWwtEvJptk2NpsSVYoS/+DFw+KePX/ePfmLZ70NYHA4/3ZpiZFyaCG+t536iwtr6xuVXcLu3s7u0flA+P2kalmrIWVULpTkgME1yluVWsE6iGYlDwR7C8fXMf3hi2nAl7+0kYUFMhpJHnBLrpHaPEoFv+WKV/XmwKvEz0kFcjT75a/eQNE0ZtJSQYzp+l5ig4xoy6lg01IvNSwhdEyGrOuoJDEzQTa/dorPnDLAkdKupMVz9fdERmJjJnHoOmNiR2bZm4n/ed3URpdBxmWSWibpYlGUCmwVnr2OB1wzasXEUI1d7diOiKaUOsCKrkQ/OWXV0n7ourXqvW7WqVxlcdRhBM4hXPwoQ4NuIEmtIDCIzDK7whV7QO/pYtBZQPnMf4A+fwDvIY65</latexit> <latexit sha1_base64="9c1MJ2/HVqCjl+0V6sBL2m0ZFQ=">AB/XicbVDLSgMxFM34rPU1PnZugkVwVWZKoS6LbtwIFewD2rFk0kwbmklCkhHqtPgrblwo4tb/cOfmLaz0NYDFw7n3Mu94SUW0879tZWV1b39jMbeW3d3b39t2Dw4YWicKkjgUTqhUiTRjlpG6oYaQlFUFxyEgzHF5N/eYDUZoKfmdGkgQx6nMaUYyMlbrucUcqIY0Ypx2MGLyBk/F9qesWvKI3A1wmfkYKIEOt6351egInMeEGM6R12/ekCVKkDMWMTPKdRBOJ8BD1SdtSjmKig3R2/QSeWaUHI6FscQNn6u+JFMVaj+LQdsbIDPSiNxX/89qJiS6ClHKZGMLxfFGUMGgEnEYBe1QRbNjIEoQVtbdCPEAKYWMDy9sQ/MWXl0mjVPTLxcptuVC9zOLIgRNwCs6BDyqgCq5BDdQBo/gGbyCN+fJeXHenY9564qTzRyBP3A+fwA8Y5UW</latexit> <latexit sha1_base64="1g26PZR8ft1FkEMdlcx6pHFGSQ=">ACBnicbVDLSgMxFM3UV62vUZciBItQN2WmFOqy6EYXQgX7gM5YMmDU0mQ5IRytCVG3/FjQtF3PoN7vwb03YW2nogcDjnXm7OCWJGlXacbyu3srq2vpHfLGxt7+zu2fsHLSUSiUkTCyZkJ0CKMBqRpqakU4sCeIBI+1gdDn12w9EKiqiOz2Oic/RIKIhxUgbqWcfe7EUsRawlHqSw2s+ST2MGLyBk7P7Ss8uOmVnBrhM3IwUQYZGz/7y+gInEQaM6RU13Vi7adIaoZmRS8RJEY4REakK6hEeJE+eksxgSeGqUPQyHNizScqb83UsSVGvPATHKkh2rRm4r/ed1Eh+d+SqM40STC80NhwqCJPe0E9qkWLOxIQhLav4K8RBJhLVprmBKcBcjL5NWpexWy7XbarF+kdWRB0fgBJSAC2qgDq5AzQBo/gGbyCN+vJerHerY/5aM7Kdg7BH1ifP6H3l/I=</latexit> <latexit sha1_base64="MXlMyAgzlyo6XJOrOUph5GBOxrw=">ACAHicbVDLSgMxFL1TX7W+Rl24cBMsglAoM1Koy6IbwU0F+4DOtGTSTBuayQxJRilG3/FjQtF3PoZ7vwb03YW2nog5HDOvSTnBAlnSjvOt5VbW9/Y3MpvF3Z29/YP7MOjpopTSWiDxDyW7QArypmgDc0p+1EUhwFnLaC0c3Mbz1SqVgsHvQ4oX6EB4KFjGBtpJ59ctcteTpGXsK6JeSJ1AuwNFfPLjplZw60StyMFCFDvWd/ef2YpBEVmnCsVMd1Eu1PsNSMcDoteKmiCSYjPKAdQwWOqPIn8wBTdG6UPgpjaY7QaK7+3pjgSKlxFJjJCOuhWvZm4n9eJ9XhlT9hIk1FWTxUJhyZBLP2kB9JinRfGwIJpKZvyIyxBITbTormBLc5cirpHlZdivl6n2lWLvO6sjDKZzBbhQhRrcQh0aQGAKz/AKb9aT9WK9Wx+L0ZyV7RzDH1ifP39Clbs=</latexit> <latexit sha1_base64="z8+FbtXJrIYAj4oxvXAwk8gqwTA=">ACAHicbVDLSgMxFL1TX7W+Rl24cBMsgqsyI4W6LoRdFHBPqAzDpk04ZmMkOSEcrQjb/ixoUibv0Md/6N6WOhrQdCDufcS3JOmHKmtON8W4WV1bX1jeJmaWt7Z3fP3j9oqSThDZJwhPZCbGinAna1Exz2klxXHIaTscXk389iOViXiXo9S6se4L1jECNZGCuyjm+DW0wnyUvbgIE9kXoiluQK7FScKdAycekDHM0AvL6yUki6nQhGOluq6Taj/HUjPC6bjkZYqmAxn3YNFTimys+nAcbo1Cg9FCXSHKHRVP29keNYqVEcmskY64Fa9Cbif14309GFnzORZpoKMnsoyjgyiSdtoB6TlGg+MgQTycxfERlgiYk2nZVMCe5i5GXSOq+41UrtrlquX87rKMIxnMAZuFCDOlxDA5pAYAzP8Apv1pP1Yr1bH7PRgjXfOYQ/sD5/AL0+leI=</latexit> Very Rare Kaon Decays K + → π + ν ¯ K L → π 0 ν ¯ ν ν ∝ (Im M ) 2 ∝ |M| 2 ~ M Kohsaku Tobioka (FSU) 4
<latexit sha1_base64="mA4/nhBLZqoBvs7k38agB8y+DaY=">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</latexit> <latexit sha1_base64="9c1MJ2/HVqCjl+0V6sBL2m0ZFQ=">AB/XicbVDLSgMxFM34rPU1PnZugkVwVWZKoS6LbtwIFewD2rFk0kwbmklCkhHqtPgrblwo4tb/cOfmLaz0NYDFw7n3Mu94SUW0879tZWV1b39jMbeW3d3b39t2Dw4YWicKkjgUTqhUiTRjlpG6oYaQlFUFxyEgzHF5N/eYDUZoKfmdGkgQx6nMaUYyMlbrucUcqIY0Ypx2MGLyBk/F9qesWvKI3A1wmfkYKIEOt6351egInMeEGM6R12/ekCVKkDMWMTPKdRBOJ8BD1SdtSjmKig3R2/QSeWaUHI6FscQNn6u+JFMVaj+LQdsbIDPSiNxX/89qJiS6ClHKZGMLxfFGUMGgEnEYBe1QRbNjIEoQVtbdCPEAKYWMDy9sQ/MWXl0mjVPTLxcptuVC9zOLIgRNwCs6BDyqgCq5BDdQBo/gGbyCN+fJeXHenY9564qTzRyBP3A+fwA8Y5UW</latexit> <latexit sha1_base64="IWy1xyOVs40Qlb1mPcLQV/8cxk=">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</latexit> <latexit sha1_base64="z8+FbtXJrIYAj4oxvXAwk8gqwTA=">ACAHicbVDLSgMxFL1TX7W+Rl24cBMsgqsyI4W6LoRdFHBPqAzDpk04ZmMkOSEcrQjb/ixoUibv0Md/6N6WOhrQdCDufcS3JOmHKmtON8W4WV1bX1jeJmaWt7Z3fP3j9oqSThDZJwhPZCbGinAna1Exz2klxXHIaTscXk389iOViXiXo9S6se4L1jECNZGCuyjm+DW0wnyUvbgIE9kXoiluQK7FScKdAycekDHM0AvL6yUki6nQhGOluq6Taj/HUjPC6bjkZYqmAxn3YNFTimys+nAcbo1Cg9FCXSHKHRVP29keNYqVEcmskY64Fa9Cbif14309GFnzORZpoKMnsoyjgyiSdtoB6TlGg+MgQTycxfERlgiYk2nZVMCe5i5GXSOq+41UrtrlquX87rKMIxnMAZuFCDOlxDA5pAYAzP8Apv1pP1Yr1bH7PRgjXfOYQ/sD5/AL0+leI=</latexit> <latexit sha1_base64="MXlMyAgzlyo6XJOrOUph5GBOxrw=">ACAHicbVDLSgMxFL1TX7W+Rl24cBMsglAoM1Koy6IbwU0F+4DOtGTSTBuayQxJRilG3/FjQtF3PoZ7vwb03YW2nog5HDOvSTnBAlnSjvOt5VbW9/Y3MpvF3Z29/YP7MOjpopTSWiDxDyW7QArypmgDc0p+1EUhwFnLaC0c3Mbz1SqVgsHvQ4oX6EB4KFjGBtpJ59ctcteTpGXsK6JeSJ1AuwNFfPLjplZw60StyMFCFDvWd/ef2YpBEVmnCsVMd1Eu1PsNSMcDoteKmiCSYjPKAdQwWOqPIn8wBTdG6UPgpjaY7QaK7+3pjgSKlxFJjJCOuhWvZm4n9eJ9XhlT9hIk1FWTxUJhyZBLP2kB9JinRfGwIJpKZvyIyxBITbTormBLc5cirpHlZdivl6n2lWLvO6sjDKZzBbhQhRrcQh0aQGAKz/AKb9aT9WK9Wx+L0ZyV7RzDH1ifP39Clbs=</latexit> <latexit sha1_base64="1g26PZR8ft1FkEMdlcx6pHFGSQ=">ACBnicbVDLSgMxFM3UV62vUZciBItQN2WmFOqy6EYXQgX7gM5YMmDU0mQ5IRytCVG3/FjQtF3PoN7vwb03YW2nogcDjnXm7OCWJGlXacbyu3srq2vpHfLGxt7+zu2fsHLSUSiUkTCyZkJ0CKMBqRpqakU4sCeIBI+1gdDn12w9EKiqiOz2Oic/RIKIhxUgbqWcfe7EUsRawlHqSw2s+ST2MGLyBk7P7Ss8uOmVnBrhM3IwUQYZGz/7y+gInEQaM6RU13Vi7adIaoZmRS8RJEY4REakK6hEeJE+eksxgSeGqUPQyHNizScqb83UsSVGvPATHKkh2rRm4r/ed1Eh+d+SqM40STC80NhwqCJPe0E9qkWLOxIQhLav4K8RBJhLVprmBKcBcjL5NWpexWy7XbarF+kdWRB0fgBJSAC2qgDq5AzQBo/gGbyCN+vJerHerY/5aM7Kdg7BH1ifP6H3l/I=</latexit> <latexit sha1_base64="91j+o7ruLdWpe1GlWCilT6AMZcw=">AB7XicbVBNSwMxEJ3Ur1q/qh69BIvgqexKoR6LXrwIFWwtEvJptk2NpsSVYoS/+DFw+KePX/ePfmLZ70NYHA4/3ZpiZFyaCG+t536iwtr6xuVXcLu3s7u0flA+P2kalmrIWVULpTkgME1yluVWsE6iGYlDwR7C8fXMf3hi2nAl7+0kYUFMhpJHnBLrpHaPEoFv+WKV/XmwKvEz0kFcjT75a/eQNE0ZtJSQYzp+l5ig4xoy6lg01IvNSwhdEyGrOuoJDEzQTa/dorPnDLAkdKupMVz9fdERmJjJnHoOmNiR2bZm4n/ed3URpdBxmWSWibpYlGUCmwVnr2OB1wzasXEUI1d7diOiKaUOsCKrkQ/OWXV0n7ourXqvW7WqVxlcdRhBM4hXPwoQ4NuIEmtIDCIzDK7whV7QO/pYtBZQPnMf4A+fwDvIY65</latexit> Very Rare Kaon Decays K + → π + ν ¯ K L → π 0 ν ¯ ν ν ∝ (Im M ) 2 ∝ |M| 2 ~ M Extremely rare and precise process in SM. [Buras et al., 1503.02693] BR( K + → π + ν ¯ ν ) = (9 . 11 ± 0 . 72) × 10 − 11 BR( K L → π 0 ν ¯ ν ) = (3 . 00 ± 0 . 30) × 10 − 11 • Br~10 -11 due to suppressions of 1loop, CKM and GIM • Unlike LHC physics, a few events are already significant! Kohsaku Tobioka (FSU) 4
Recommend
More recommend