PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON最新文献

Measurement of the photon beam asymmetry Σ for γ + p → K+Σ0 at Eγ = 8.5 GeV in GlueX γ + p→K+Σ0在γ = 8.5 GeV时在GlueX中的光子束不对称性Σ的测量

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2020-07-27 DOI: 10.1063/5.0008593

N. Wickramaarachchi, M. Amaryan

引用次数: 0

Four-body Faddeev-type calculation of the K¯NNN system K¯NNN系统的四体faddedev型计算

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2020-07-01 DOI: 10.1063/5.0008715

N. Shevchenko

引用次数: 0

Studies for new experiments at the CERN M2 beamline within “physics beyond colliders”: AMBER/COMPASS++, NA64µ, MuonE 在“超越对撞机的物理”中CERN M2光束线的新实验研究:AMBER/COMPASS++， NA64µ，MuonE

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2019-11-04 DOI: 10.1063/5.0008957

J. Bernhard, D. Banerjee, E. Montbarbon, M. Brugger, N. Charitonidis, S. Cholak, G. D'Alessandro, L. Gatignon, A. Gerbershagen, B. Rae, M. Rosenthal, M. Dijk, B. M. Veit

{"title":"Studies for new experiments at the CERN M2 beamline within “physics beyond colliders”: AMBER/COMPASS++, NA64µ, MuonE","authors":"J. Bernhard, D. Banerjee, E. Montbarbon, M. Brugger, N. Charitonidis, S. Cholak, G. D'Alessandro, L. Gatignon, A. Gerbershagen, B. Rae, M. Rosenthal, M. Dijk, B. M. Veit","doi":"10.1063/5.0008957","DOIUrl":"https://doi.org/10.1063/5.0008957","url":null,"abstract":"The \"Physics Beyond Colliders (PBC)\" study explores fundamental physics opportunities at the CERN accelerator complex complementary to collider experiments. Three new collaborations aim to exploit the M2 beamline in the North Area with existing high-intensity muon and hadron beams, but also aspire to go beyond the current M2 capabilities with a RF-separated, high intensity hadron beam, under study. The AMBER/COMPASS++ collaboration proposes an ambitious program with a measurement of the proton radius with muon beams, as well as QCD-related studies from pion PDFs / Drell-Yan to cross section measurements for dark sector searches. Assuming feasibility of the RF-separated beam, the spectrum of strange mesons would enter a high precision era while kaon PDFs as well as nucleon TMDs would be accessible via Drell-Yan reactions. The NA64mu collaboration proposes to search for dark sector mediators such as a dark scalar A' or a hypothetical Z_mu using the M2 muon beam and complementing their on-going A' searches with electron beams. The MuonE collaboration intends to assess the hadronic component of the vacuum polarization via elastic mu-e scattering, the dominant uncertainty in the determination of (g-2)_mu. An overview of the three new experimental programs will be presented together with implications for the M2 beamline and the experimental area EHN2, based on the studies of the PBC \"Conventional Beams\" Working Group.","PeriodicalId":144734,"journal":{"name":"PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON","volume":"208 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123081494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Meson-nucleon scattering amplitudes from lattice QCD 晶格QCD的介子-核子散射振幅

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2019-09-28 DOI: 10.1063/5.0008643

J. Bulava

引用次数: 4

Baryon–anti-Baryon photoproduction Baryon-anti-Baryon光生

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2019-09-17 DOI: 10.1063/5.0019415

Hao Li, R. Schumacher

引用次数: 1

Spin structure of heavy-quark hybrids 重夸克杂化体的自旋结构

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 2018-05-20 DOI: 10.1103/PhysRevD.99.014017

N. Brambilla, W. K. Lai, J. Segovia, J. Castellà, A. Vairo

{"title":"Spin structure of heavy-quark hybrids","authors":"N. Brambilla, W. K. Lai, J. Segovia, J. Castellà, A. Vairo","doi":"10.1103/PhysRevD.99.014017","DOIUrl":"https://doi.org/10.1103/PhysRevD.99.014017","url":null,"abstract":"A unique feature of quantum chromodynamics (QCD), the theory of strong interactions, is the possibility for gluonic degrees of freedom to participate in the construction of physical hadrons, which are color singlets, in an analogous manner to valence quarks. Hadrons with no valence quarks are called glueballs, while hadrons where both gluons and valence quarks combine to form a color singlet are called hybrids. The unambiguous identification of such states among the experimental hadron spectrum has been thus far not possible. Glueballs are particularly difficult to establish experimentally since the lowest lying ones are expected to strongly mix with conventional mesons. On the other hand, hybrids should be easier to single out because the set of quantum numbers available to their lowest excitations may be exotic, i.e., not realized in conventional quark-antiquark systems. Particularly promising for discovery appear to be heavy hybrids, which are made of gluons and a heavy-quark-antiquark pair (charm or bottom). In the heavy-quark sector systematic tools can be used that are not available in the light-quark sector. In this paper we use a nonrelativistic effective field theory to uncover for the first time the full spin structure of heavy-quark hybrids up to $1/m^2$-terms in the heavy-quark-mass expansion. We show that such terms display novel characteristics at variance with our consolidated experience on the fine and hyperfine splittings in atomic, molecular and nuclear physics. We determine the nonperturbative contributions to the matching coefficients of the effective field theory by fitting our results to lattice-QCD determinations of the charmonium hybrid spectrum and extrapolate the results to the bottomonium hybrid sector where lattice-QCD determinations are still challenging.","PeriodicalId":144734,"journal":{"name":"PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125011981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 35

Physics beyond the standard model with kaons at NA62 超越标准模型的物理学，在NA62的k介子

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 1900-01-01 DOI: 10.1063/5.0009508

P. Massarotti, R. Aliberti, F. Ambrosino, R. Ammendola, B. Angelucci, A. Antonelli, G. Anzivino, R. Arcidiacono, M. Barbanera, A. Biagioni, L. Bician, C. Biino, A. Bizzeti, T. Blažek, B. Bloch-Devaux, V. Bonaiuto, M. Boretto, M. Bragadireanu, D. Britton, F. Brizioli, M. Brunetti, D. Bryman, F. Bucci, T. Capussela, A. Ceccucci, P. Cenci, V. Cerný, C. Cerri, B. Checcucci, A. Conovalo, P. Cooper, E. Gil, M. Corvino, F. Costantini, A. C. Ramusino, D. Coward, G. D'Agostini, J. Dainton, P. Dalpiaz, H. Danielsson, N. Simone, D. Filippo, P. Laycock, L. Lella, N. Doble, B. Döbrich, F. Duval, V. Duk, J. Engelfried, T. Enik, N. Estrada-Tristan, V. Falaleev, R. Fantechi, V. Fascianelli, L. Federici, S. Fedotov, A. Filippi, M. Fiorini, J. Fry, J. Fu, A. Fucci, L. Fulton, E. Gamberini, L. Gatignon, G. Georgiev, S. Ghinescu, A. Gianoli, M. Giorgi, S. Giudici, F. Gonnella, E. Goudzovski, C. Graham, R. Guida, E. Gushchin, F. Hahn, H. Heath, T. Husek, O. Hutanu, D. Hutchcroft, L. Iacobuzio, E. Iacopini, E. Imbergamo, B. Je

{"title":"Physics beyond the standard model with kaons at NA62","authors":"P. Massarotti, R. Aliberti, F. Ambrosino, R. Ammendola, B. Angelucci, A. Antonelli, G. Anzivino, R. Arcidiacono, M. Barbanera, A. Biagioni, L. Bician, C. Biino, A. Bizzeti, T. Blažek, B. Bloch-Devaux, V. Bonaiuto, M. Boretto, M. Bragadireanu, D. Britton, F. Brizioli, M. Brunetti, D. Bryman, F. Bucci, T. Capussela, A. Ceccucci, P. Cenci, V. Cerný, C. Cerri, B. Checcucci, A. Conovalo, P. Cooper, E. Gil, M. Corvino, F. Costantini, A. C. Ramusino, D. Coward, G. D'Agostini, J. Dainton, P. Dalpiaz, H. Danielsson, N. Simone, D. Filippo, P. Laycock, L. Lella, N. Doble, B. Döbrich, F. Duval, V. Duk, J. Engelfried, T. Enik, N. Estrada-Tristan, V. Falaleev, R. Fantechi, V. Fascianelli, L. Federici, S. Fedotov, A. Filippi, M. Fiorini, J. Fry, J. Fu, A. Fucci, L. Fulton, E. Gamberini, L. Gatignon, G. Georgiev, S. Ghinescu, A. Gianoli, M. Giorgi, S. Giudici, F. Gonnella, E. Goudzovski, C. Graham, R. Guida, E. Gushchin, F. Hahn, H. Heath, T. Husek, O. Hutanu, D. Hutchcroft, L. Iacobuzio, E. Iacopini, E. Imbergamo, B. Je","doi":"10.1063/5.0009508","DOIUrl":"https://doi.org/10.1063/5.0009508","url":null,"abstract":". The NA62 experiment at CERN Super Proton Synchrotron was designed to measure BR( K + → π + ν ¯ ν ) with an in-ﬁght technique, never used before for this measurement. This decay is characterised by a very precise prediction in the Standard Model. Its branching ratio, which is expected to be less than 10 − 10 , is one of the best candidates to indicate indirect effects of new physics beyond SM at the highest mass scales. NA62 result on K + → π + ν ¯ ν from the full 2016 data set is described. Also a search for an invisible dark photon A (cid:3) has been performed, exploiting the efﬁcient photon-veto capability and high resolution tracking of the NA62. The signal stems from the chain K + → π + π 0 followed by π 0 → A (cid:3) γ . No signiﬁcant statistical excess has been identiﬁed. Upper limits on the dark photon coupling to the ordinary photon as a function of the dark photon mass have been set, improving on the previous limits over the mass range 60 - 110 MeV/ c 2 .","PeriodicalId":144734,"journal":{"name":"PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122915586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preface: MENU-2019, the 15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon 第15届介子-核子物理与核子结构国际会议MENU-2019

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 1900-01-01 DOI: 10.1063/12.0000535

{"title":"Preface: MENU-2019, the 15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon","authors":"","doi":"10.1063/12.0000535","DOIUrl":"https://doi.org/10.1063/12.0000535","url":null,"abstract":"MeNu2013, the 13th International Conference on “Meson-Nucleon Physics and the Structure of the Nucleon” (http://menu2013.roma2.infn.it) was held in Rome (Italy) from September 30th to October 4th 2013. The Conference belongs to a series started in Karlsruhe, Germany (1983) and continued in Los Alamos, USA (1987), Gatchina/Leningrad, Russia (1989), Bad Honnef, Germany (1991), Boulder, USA (1993), Blaubeuren, Germany (1995), Vancouver, Canada (1997), Zuoz, Switzerland (1999), Washington DC, USA (2001), Beijing, China (2004), Juelich, Germany (2007), and Williamsburg, USA (2010). More than 200 physicists, both experimental and theoretical, convened from all over the world with the aim of exchanging expertise and confronting different approaches to the study of quark confinement and to the understanding of how hadrons are formed of quarks and gluons in a quantitative way. The Conference featured invited as well as contributed talks, with morning plenary sessions and afternoon parallel sessions, covering the following topics: ∗ Hadron Spectroscopy ∗ Nucleon Structure ∗ Few-Body Systems ∗ Meson-Nucleon Interactions ∗ Electro-weak Probes and Fundamental Symmetries ∗ New Trends in Theory ∗ Future Facilities and Directions.","PeriodicalId":144734,"journal":{"name":"PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON","volume":"48 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114130524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photos: MENU-2019, the 15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon 图片:MENU-2019，第15届介子-核子物理与核子结构国际会议

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 1900-01-01 DOI: 10.1063/12.0001055

Huan-Ching Chiang （黄超光）, Bing-Song Zou（邹冰松）

引用次数: 14

Search for electric dipole moments of charged particles in storage rings 在存储环中寻找带电粒子的电偶极矩

PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON Pub Date : 1900-01-01 DOI: 10.1063/5.0008954

P. Lenisa

引用次数: 1