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Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)最新文献

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Path Optimization for the Sign Problem in Field Theories Using Neural Network 基于神经网络的场理论符号问题路径优化
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.024011
A. Ohnishi, Y. Mori, K. Kashiwa
{"title":"Path Optimization for the Sign Problem in Field Theories Using Neural Network","authors":"A. Ohnishi, Y. Mori, K. Kashiwa","doi":"10.7566/jpscp.26.024011","DOIUrl":"https://doi.org/10.7566/jpscp.26.024011","url":null,"abstract":"We investigate the sign problem in field theories by using the path optimization method (POM) with use of the feedforward neural network (FNN). We utilize FNN to prepare and optimize the trial function specifying the integration path (manifold) in field theories in the framework of POM. POM with use of FNN has been applied to several field theories having the sign problem. Specifically, the 0+1 dimensional QCD is discussed. It is found that the average phase factor is enhanced significantly and we can reduce the statistical errors of observables.","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"73 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113975417","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
Threshold J/ψ Photoproduction with GlueX at Jefferson Lab 杰弗逊实验室用GlueX生产阈值J/ψ
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.021022
L. Pentchev
{"title":"Threshold J/ψ Photoproduction with GlueX at Jefferson Lab","authors":"L. Pentchev","doi":"10.7566/jpscp.26.021022","DOIUrl":"https://doi.org/10.7566/jpscp.26.021022","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132739592","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
Measuring Space-Time Properties of the (Delta (1232)) via Bose–Einstein Correlations 通过玻色-爱因斯坦相关性测量(Delta (1232))的时空特性
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.024004
Q. He, Q. He, H. Fujimura, H. Fujimura, H. Fukasawa, R. Hashimoto, R. Hashimoto, Y. Honda, T. Ishikawa, T. Iwata, S. Kaida, H. Kanda, H. Kanda, J. Kasagi, A. Kawano, S. Kuwasaki, K. Maeda, S. Masumoto, M. Miyabe, F. Miyahara, F. Miyahara, K. Mochizuki, N. Muramatsu, A. Nakamura, K. Nawa, S. Ogushi, Y. Okada, Y. Onodera, K. Ozawa, Yasunobu Sakamoto, Mamoru Sato, H. Shimizu, Hiroyuki Sugai, Koutaku Suzuki, Y. Tajima, Shinichiro Takahashi, Y. Taniguchi, Y. Tsuchikawa, H. Yamazaki, H. Yamazaki, R. Yamazaki, H. Yoshida
{"title":"Measuring Space-Time Properties of the (Delta (1232)) via Bose–Einstein Correlations","authors":"Q. He, Q. He, H. Fujimura, H. Fujimura, H. Fukasawa, R. Hashimoto, R. Hashimoto, Y. Honda, T. Ishikawa, T. Iwata, S. Kaida, H. Kanda, H. Kanda, J. Kasagi, A. Kawano, S. Kuwasaki, K. Maeda, S. Masumoto, M. Miyabe, F. Miyahara, F. Miyahara, K. Mochizuki, N. Muramatsu, A. Nakamura, K. Nawa, S. Ogushi, Y. Okada, Y. Onodera, K. Ozawa, Yasunobu Sakamoto, Mamoru Sato, H. Shimizu, Hiroyuki Sugai, Koutaku Suzuki, Y. Tajima, Shinichiro Takahashi, Y. Taniguchi, Y. Tsuchikawa, H. Yamazaki, H. Yamazaki, R. Yamazaki, H. Yoshida","doi":"10.7566/jpscp.26.024004","DOIUrl":"https://doi.org/10.7566/jpscp.26.024004","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123163529","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
Baryon Timelike From Factors at BESIII 来自BESIII的因子的类重子时间
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.021024
Guangshun Huang
{"title":"Baryon Timelike From Factors at BESIII","authors":"Guangshun Huang","doi":"10.7566/jpscp.26.021024","DOIUrl":"https://doi.org/10.7566/jpscp.26.021024","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129979419","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
Fully Coupled-Channel Study of K−pp Resonance K−pp共振的全耦合通道研究
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.023010
A. Doté, T. Inoue, T. Myo
{"title":"Fully Coupled-Channel Study of K−pp Resonance","authors":"A. Doté, T. Inoue, T. Myo","doi":"10.7566/jpscp.26.023010","DOIUrl":"https://doi.org/10.7566/jpscp.26.023010","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"2007 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131326863","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
Pion Angular Distributions in Pion Production off Nucleons Induced by Neutrinos and Electrons 中微子和电子诱导核子产生介子的角分布
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.031012
J. Sobczyk, E. Hernández, Satoshi X. Nakamura, J. Nieves, Toru Sato
{"title":"Pion Angular Distributions in Pion Production off Nucleons Induced by Neutrinos and Electrons","authors":"J. Sobczyk, E. Hernández, Satoshi X. Nakamura, J. Nieves, Toru Sato","doi":"10.7566/jpscp.26.031012","DOIUrl":"https://doi.org/10.7566/jpscp.26.031012","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130164176","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
First γ-Ray Spectroscopy of an sd-Shell Hypernucleus, ({}_{Lambda }^{19}text{F}) sd-壳层超核的第一γ射线谱 ({}_{Lambda }^{19}text{F})
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.023015
S. Yang, J. Ahn, Y. Akazawa, K. Aoki, N. Chiga, H. Ekawa, P. Evtoukhovitch, A. Feliciello, M. Fujita, S. Hasegawa, S. Hayakawa, T. Hayakawa, R. Honda, K. Hosomi, S. Hwang, N. Ichige, Y. Ichikawa, M. Ikeda, K. Imai, S. Ishimoto, S. Kanatsuki, S. Kim, S. Kinbara, K. Kobayashi, T. Koike, Jaeyong Lee, K. Miwa, T. Moon, T. Nagae, Y. Nakada, M. Nakagawa, Y. Ogura, A. Sakaguchi, H. Sako, Y. Sasaki, S. Sato, K. Shirotori, H. Sugimura, S. Suto, Shoji Suzuki, Toshiyuki Takahashi, H. Tamura, K. Tanida, Y. Togawa, Z. Tsamalaidze, M. Ukai, Taofeng Wang, Takeshi. O. Yamamoto
{"title":"First γ-Ray Spectroscopy of an sd-Shell Hypernucleus, ({}_{Lambda }^{19}text{F})","authors":"S. Yang, J. Ahn, Y. Akazawa, K. Aoki, N. Chiga, H. Ekawa, P. Evtoukhovitch, A. Feliciello, M. Fujita, S. Hasegawa, S. Hayakawa, T. Hayakawa, R. Honda, K. Hosomi, S. Hwang, N. Ichige, Y. Ichikawa, M. Ikeda, K. Imai, S. Ishimoto, S. Kanatsuki, S. Kim, S. Kinbara, K. Kobayashi, T. Koike, Jaeyong Lee, K. Miwa, T. Moon, T. Nagae, Y. Nakada, M. Nakagawa, Y. Ogura, A. Sakaguchi, H. Sako, Y. Sasaki, S. Sato, K. Shirotori, H. Sugimura, S. Suto, Shoji Suzuki, Toshiyuki Takahashi, H. Tamura, K. Tanida, Y. Togawa, Z. Tsamalaidze, M. Ukai, Taofeng Wang, Takeshi. O. Yamamoto","doi":"10.7566/jpscp.26.023015","DOIUrl":"https://doi.org/10.7566/jpscp.26.023015","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127681127","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
Experimental Challenge of PHENIX in Disentangling Proton Spin Puzzle PHENIX在解纠缠质子自旋谜题中的实验挑战
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.021017
I. Nakagawa
{"title":"Experimental Challenge of PHENIX in Disentangling Proton Spin Puzzle","authors":"I. Nakagawa","doi":"10.7566/jpscp.26.021017","DOIUrl":"https://doi.org/10.7566/jpscp.26.021017","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121041153","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
Results of (bar{K}NN) Search via the (K−, n) Reaction at J-PARC J-PARC (K−，n)反应(bar{K}NN)搜索结果
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.023008
T. Yamaga, S. Ajimura, H. Asano, G. Beer, C. Berucci, H. Bhang, M. Bragadireanu, P. Buehler, L. Busso, M. Cargnelli, Seonho Choi, C. Curceanu, S. Enomoto, H. Fujioka, Y. Fujiwara, T. Fukuda, C. Guaraldo, T. Hashimoto, R. Hayano, T. Hiraiwa, M. Iio, M. Iliescu, K. Inoue, Y. Ishiguro, T. Ishikawa, S. Ishimoto, K. Itahashi, M. Iwasaki, K. Kanno, K. Kato, Y. Kato, S. Kawasaki, P. Kienle, H. Kou, Y. Ma, J. Marton, Y. Matsuda, Y. Mizoi, O. Morra, T. Nagae, H. Noumi, H. Ohnishi, S. Okada, H. Outa, K. Piscicchia, Y. Sada, A. Sakaguchi, F. Sakuma, Masaharu Sato, A. Scordo, M. Sekimoto, Hexi Shi, K. Shirotori, D. Sirghi, F. Sirghi, Ken Suzuki, Shoji Suzuki, T. Suzuki, K. Tanida, H. Tatsuno, M. Tokuda, D. Tomono, A. Toyoda, K. Tsukada, O. Doce, E. Widmann, T. Yamazaki, Q. Zhang, J. Zmeskal
{"title":"Results of (bar{K}NN) Search via the (K−, n) Reaction at J-PARC","authors":"T. Yamaga, S. Ajimura, H. Asano, G. Beer, C. Berucci, H. Bhang, M. Bragadireanu, P. Buehler, L. Busso, M. Cargnelli, Seonho Choi, C. Curceanu, S. Enomoto, H. Fujioka, Y. Fujiwara, T. Fukuda, C. Guaraldo, T. Hashimoto, R. Hayano, T. Hiraiwa, M. Iio, M. Iliescu, K. Inoue, Y. Ishiguro, T. Ishikawa, S. Ishimoto, K. Itahashi, M. Iwasaki, K. Kanno, K. Kato, Y. Kato, S. Kawasaki, P. Kienle, H. Kou, Y. Ma, J. Marton, Y. Matsuda, Y. Mizoi, O. Morra, T. Nagae, H. Noumi, H. Ohnishi, S. Okada, H. Outa, K. Piscicchia, Y. Sada, A. Sakaguchi, F. Sakuma, Masaharu Sato, A. Scordo, M. Sekimoto, Hexi Shi, K. Shirotori, D. Sirghi, F. Sirghi, Ken Suzuki, Shoji Suzuki, T. Suzuki, K. Tanida, H. Tatsuno, M. Tokuda, D. Tomono, A. Toyoda, K. Tsukada, O. Doce, E. Widmann, T. Yamazaki, Q. Zhang, J. Zmeskal","doi":"10.7566/jpscp.26.023008","DOIUrl":"https://doi.org/10.7566/jpscp.26.023008","url":null,"abstract":"","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"407 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133634150","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
(Lambda _{c}^{ + } to eta pi ^{ + }Lambda ) Decay and the Possible (Sigma _{1/2^{ - }}^{*}(1380)) (Lambda _{c}^{ + } to eta pi ^{ + }Lambda ) 衰变和可能性 (Sigma _{1/2^{ - }}^{*}(1380))
Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018) Pub Date : 2019-11-08 DOI: 10.7566/jpscp.26.031014
Ju-Jun Xie, L. Geng
{"title":"(Lambda _{c}^{ + } to eta pi ^{ + }Lambda ) Decay and the Possible (Sigma _{1/2^{ - }}^{*}(1380))","authors":"Ju-Jun Xie, L. Geng","doi":"10.7566/jpscp.26.031014","DOIUrl":"https://doi.org/10.7566/jpscp.26.031014","url":null,"abstract":"A possible Σ^* state with spin-parity = 1/2^− [(Sigma _{1/2^{ - }}^{*}text{(1380)})] has been predicted in several pentaquark models. In the present work, we discuss how one can employ the (Lambda _{c}^{ + } to eta pi ^{ + }Lambda ) decay to test its existence, as well as to study the (Sigma _{3/2^{ + }}^{*}(1385)) state with J^P = 3/2^+. Because the final π^+Λ system is in a pure isospin I = 1 combination, the (Lambda _{c}^{ + } to eta pi ^{ + }Lambda ) decay can be an ideal process to study these Σ^* resonances. In particular, we show that the decay angle and energy distributions of the π^+ are very different for (Sigma _{3/2^{ + }}^{*}(1385)) and (Sigma _{1/2^{ - }}^{*}(1380)). The proposed decay mechanism as well as the existence of the (Sigma _{1/2^{ - }}^{*}(1380)) state can be checked by future BelleII and BESIII experiments.","PeriodicalId":175849,"journal":{"name":"Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128150576","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
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