Article: Observation of a pp̄ mass threshold enhancement in Ψ′ π +π - J/Ψ(J/Ψ γ p) decay

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TitleObservation of a pp̄ mass threshold enhancement in Ψ′ π +π - J/Ψ(J/Ψ γ p) decay
AuthorsAblikim, M36
Achasov, MN11
An, L15
An, Q17
An, ZH36
Bai, JZ36
Ban, Y32
Berger, N36
Bian, JM36
Boyko, I24
Briere, RA18
Bytev, V24
Cai, X36
Cao, GF36
Cao, XX36
Chang, JF36
Chelkov, G24
Chen, G36
Chen, HS36
Chen, JC36
Chen, LP36
Chen, ML36
Chen, P36
Chen, SJ4
ChenYB36
Chu, YP36
CroninHennessy, D7
Dai, HL36
Dai, JP36
Dedovich, D24
Deng, ZY36
Denysenko, I24 37
Destefanis, M21
Ding, Y25
Dong, LY36
Dong, MY36
Du, SX13
Duan, MY40
Fang, J36
Feng, CQ17
Fu, CD36
Fu, JL4
Gao, Y34
Geng, C17
Goetzen, K31
Gong, WX36
Greco, M21
Grishin, S24
Gu, YT15
Guo, AQ20
Guo, LB23
Guo, YP20
Han, SQ23
Harris, FA19
He, KL36
He, M36
He, ZY20
Heng, YK36
Hou, ZL36
Hu, HM36
Hu, JF1
Hu, T36
Hu, XW4
Huang, B36
Huang, GM14
Huang, JS29
Huang, XT6
Huang, YP36
Ji, CS17
Ji, Q36
Ji, XB36
Ji, XL36
Jia, LK36
Jiang, LL36
Jiang, XS36
Jiao, JB6
Jin, DP36
Jin, S36
Komamiya, S30
Kuehn, W27
Lange, S27
Leung, JKC9
Li, C17
Li, C17
Li, DM13
Li, F36
Li, G36
Li, HB36
Li, J36
Li, JC36
Li, L36
Li, L36
Li, QJ36
Li, WD36
Li, WG36
Li, XL6
Li, XN36
Li, XQ20
Li, XR36
Li, YX13
Li, ZB22
Liang, H17
Liang, TR20
Liang, YT27
Liang, YF38
Liao, GR33
Liao, XT36
Liu, BJ9 39
Liu, CL18
Liu, CX36
Liu, CY36
Liu, FH40
Liu, F36
Liu, F14
Liu, GC36
Liu, H36
Liu, HB1
Liu, HM36
Liu, HW36
Liu, J36
Liu, JP12
Liu, K32
Liu, KY25
Liu, Q19
Liu, SB17
Liu, XH36
Liu, YB20
Liu, YF20
Liu, YW17
Liu, Y36
Liu, ZA36
Lu, GR29
Lü, JG36
Lü, QW40
Lü, XR1
Lu, YP36
Luo, CL23
Luo, MX10
Luo, T36
Luo, XL36
Ma, CL1
Ma, FC25
Ma, HL36
Ma, QM36
Ma, X36
Ma, XY36
Maggiora, M21
Mao, YJ32
Mao, ZP36
Min, J36
Mo, XH36
Muchnoi, NYu11
Nefedov, Y24
Ning, FP40
Olsen, SL26
Ouyang, Q36
Pelizaeus, M2
Peters, K31
Ping, JL23
Ping, RG36
Poling, R7
Pun, CSJ9
Qi, M4
Qian, S36
Qiao, CF1
Qiu, JF36
Rong, G36
Ruan, XD15
Sarantsev, A3 24
Shao, M17
Shen, CP26
Shen, XY36
Sheng, HY36
Sonoda, S30
Spataro, S21
Spruck, B27
Sun, DH36
Sun, GX36
Sun, JF29
Sun, SS36
Sun, XD36
Sun, YJ17
Sun, YZ36
Sun, ZJ36
Sun, ZT17
Tang, CJ38
Tang, X36
Tang, XF33
Tian, HL36
Toth, D7
Varner, GS19
Wan, X36
Wang, BQ32
Wang, JK36
Wang, K36
Wang, LL16
Wang, LS36
Wang, P36
Wang, PL36
Wang, Q36
Wang, SG32
Wang, XD40
Wang, XL17
Wang, YD17
Wang, YF36
Wang, YQ6
Wang, Z36
Wang, ZG36
Wang, ZY36
Wei, DH33
Wen, SP36
Wiedner, U2
Wu, LH36
Wu, N36
Wu, YM36
Wu, Z23
Xiao, ZJ36
Xie, YG36
Xu, GF32
Xu, GM36
Xu, H17
Xu, M15
Xu, M14
Xu, XP14 28
Xu, Y20
Xu, ZZ17
Xue, Z17
Yan, L17
Yan, WB17
Yan, YH8
Yang, HX36
Yang, M36
Yang, P20
Yang, SM36
Yang, YX33
Ye, M36
Ye, MH16
Yu, BX36
Yu, CX20
Yu, L14
Yuan, CZ36
Yuan, Y36
Zeng, Y8
Zhang, BX36
Zhang, BY36
Zhang, CC36
Zhang, DH36
Zhang, HH22
Zhang, HY36
Zhang, JW36
Zhang, JY36
Zhang, JZ36
Zhang, L4
Zhang, SH36
Zhang, XY6
Zhang, Y36
Zhang, YH36
Zhang, ZP17
Zhao, C17
Zhao, HS36
Zhao, JW17
Zhao, JW36
Zhao, L17
Zhao, L36
Zhao, MG20
Zhao, Q36
Zhao, SJ13
Zhao, TC35
Zhao, XH4
Zhao, YB36
Zhao, ZG17
Zhemchugov, A5 24
Zheng, B36
Zheng, JP36
Zheng, YH1
Zheng, ZP36
Zhong, B23
Zhong, J2
Zhou, L36
Zhou, ZL36
Zhu, C36
Zhu, K36
Zhu, KJ36
Zhu, QM36
Zhu, XW36
Zhu, YS36
Zhu, ZA36
Zhuang, J36
Zou, BS36
Zou, JH36
Zuo, JX36
Zweber, P7
KeywordsPp̄
Threshold enhancement
Issue Date2010
PublisherInstitute of Physics Publishing Ltd.. The Journal's web site is located at http://www.iop.org/journals/cpc
CitationChinese Physics C, 2010, v. 34 n. 4, p. 421-426 [How to Cite?]
DOI: http://dx.doi.org/10.1088/1674-1137/34/4/001
AbstractThe decay channel Ψ′ π +π - J/Ψ(J/Ψ γp) is studied using a sample of 1.06 × 10 8 Ψ′ events collected by the BESIII experiment at BEPCII. A strong enhancement at threshold is observed in the p invariant mass spectrum. The enhancement can be fitted with an S-wave Breit-Wigner resonance function with a resulting peak mass of M 1861 +6 -13 (stat) +7 -26 ( sy st) MeV/c 2 and a narrow width that is Γ < 38 MeV/c 2 at the 90% confidence level. These results are consistent with published BESII results. These mass and width values do not match with well established mesons. © 2010 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.
ISSN1674-1137
2011 Impact Factor: 0.272
2011 SCImago Journal Rankings: 0.032
DOIhttp://dx.doi.org/10.1088/1674-1137/34/4/001
ReferencesReferences in Scopus
DC Field
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dc.contributor.authorAblikim, M
dc.contributor.authorAchasov, MN
dc.contributor.authorAn, L
dc.contributor.authorAn, Q
dc.contributor.authorAn, ZH
dc.contributor.authorBai, JZ
dc.contributor.authorBan, Y
dc.contributor.authorBerger, N
dc.contributor.authorBian, JM
dc.contributor.authorBoyko, I
dc.contributor.authorBriere, RA
dc.contributor.authorBytev, V
dc.contributor.authorCai, X
dc.contributor.authorCao, GF
dc.contributor.authorCao, XX
dc.contributor.authorChang, JF
dc.contributor.authorChelkov, G
dc.contributor.authorChen, G
dc.contributor.authorChen, HS
dc.contributor.authorChen, JC
dc.contributor.authorChen, LP
dc.contributor.authorChen, ML
dc.contributor.authorChen, P
dc.contributor.authorChen, SJ
dc.contributor.authorChenYB
dc.contributor.authorChu, YP
dc.contributor.authorCroninHennessy, D
dc.contributor.authorDai, HL
dc.contributor.authorDai, JP
dc.contributor.authorDedovich, D
dc.contributor.authorDeng, ZY
dc.contributor.authorDenysenko, I
dc.contributor.authorDestefanis, M
dc.contributor.authorDing, Y
dc.contributor.authorDong, LY
dc.contributor.authorDong, MY
dc.contributor.authorDu, SX
dc.contributor.authorDuan, MY
dc.contributor.authorFang, J
dc.contributor.authorFeng, CQ
dc.contributor.authorFu, CD
dc.contributor.authorFu, JL
dc.contributor.authorGao, Y
dc.contributor.authorGeng, C
dc.contributor.authorGoetzen, K
dc.contributor.authorGong, WX
dc.contributor.authorGreco, M
dc.contributor.authorGrishin, S
dc.contributor.authorGu, YT
dc.contributor.authorGuo, AQ
dc.contributor.authorGuo, LB
dc.contributor.authorGuo, YP
dc.contributor.authorHan, SQ
dc.contributor.authorHarris, FA
dc.contributor.authorHe, KL
dc.contributor.authorHe, M
dc.contributor.authorHe, ZY
dc.contributor.authorHeng, YK
dc.contributor.authorHou, ZL
dc.contributor.authorHu, HM
dc.contributor.authorHu, JF
dc.contributor.authorHu, T
dc.contributor.authorHu, XW
dc.contributor.authorHuang, B
dc.contributor.authorHuang, GM
dc.contributor.authorHuang, JS
dc.contributor.authorHuang, XT
dc.contributor.authorHuang, YP
dc.contributor.authorJi, CS
dc.contributor.authorJi, Q
dc.contributor.authorJi, XB
dc.contributor.authorJi, XL
dc.contributor.authorJia, LK
dc.contributor.authorJiang, LL
dc.contributor.authorJiang, XS
dc.contributor.authorJiao, JB
dc.contributor.authorJin, DP
dc.contributor.authorJin, S
dc.contributor.authorKomamiya, S
dc.contributor.authorKuehn, W
dc.contributor.authorLange, S
dc.contributor.authorLeung, JKC
dc.contributor.authorLi, C
dc.contributor.authorLi, C
dc.contributor.authorLi, DM
dc.contributor.authorLi, F
dc.contributor.authorLi, G
dc.contributor.authorLi, HB
dc.contributor.authorLi, J
dc.contributor.authorLi, JC
dc.contributor.authorLi, L
dc.contributor.authorLi, L
dc.contributor.authorLi, QJ
dc.contributor.authorLi, WD
dc.contributor.authorLi, WG
dc.contributor.authorLi, XL
dc.contributor.authorLi, XN
dc.contributor.authorLi, XQ
dc.contributor.authorLi, XR
dc.contributor.authorLi, YX
dc.contributor.authorLi, ZB
dc.contributor.authorLiang, H
dc.contributor.authorLiang, TR
dc.contributor.authorLiang, YT
dc.contributor.authorLiang, YF
dc.contributor.authorLiao, GR
dc.contributor.authorLiao, XT
dc.contributor.authorLiu, BJ
dc.contributor.authorLiu, CL
dc.contributor.authorLiu, CX
dc.contributor.authorLiu, CY
dc.contributor.authorLiu, FH
dc.contributor.authorLiu, F
dc.contributor.authorLiu, F
dc.contributor.authorLiu, GC
dc.contributor.authorLiu, H
dc.contributor.authorLiu, HB
dc.contributor.authorLiu, HM
dc.contributor.authorLiu, HW
dc.contributor.authorLiu, J
dc.contributor.authorLiu, JP
dc.contributor.authorLiu, K
dc.contributor.authorLiu, KY
dc.contributor.authorLiu, Q
dc.contributor.authorLiu, SB
dc.contributor.authorLiu, XH
dc.contributor.authorLiu, YB
dc.contributor.authorLiu, YF
dc.contributor.authorLiu, YW
dc.contributor.authorLiu, Y
dc.contributor.authorLiu, ZA
dc.contributor.authorLu, GR
dc.contributor.authorLü, JG
dc.contributor.authorLü, QW
dc.contributor.authorLü, XR
dc.contributor.authorLu, YP
dc.contributor.authorLuo, CL
dc.contributor.authorLuo, MX
dc.contributor.authorLuo, T
dc.contributor.authorLuo, XL
dc.contributor.authorMa, CL
dc.contributor.authorMa, FC
dc.contributor.authorMa, HL
dc.contributor.authorMa, QM
dc.contributor.authorMa, X
dc.contributor.authorMa, XY
dc.contributor.authorMaggiora, M
dc.contributor.authorMao, YJ
dc.contributor.authorMao, ZP
dc.contributor.authorMin, J
dc.contributor.authorMo, XH
dc.contributor.authorMuchnoi, NYu
dc.contributor.authorNefedov, Y
dc.contributor.authorNing, FP
dc.contributor.authorOlsen, SL
dc.contributor.authorOuyang, Q
dc.contributor.authorPelizaeus, M
dc.contributor.authorPeters, K
dc.contributor.authorPing, JL
dc.contributor.authorPing, RG
dc.contributor.authorPoling, R
dc.contributor.authorPun, CSJ
dc.contributor.authorQi, M
dc.contributor.authorQian, S
dc.contributor.authorQiao, CF
dc.contributor.authorQiu, JF
dc.contributor.authorRong, G
dc.contributor.authorRuan, XD
dc.contributor.authorSarantsev, A
dc.contributor.authorShao, M
dc.contributor.authorShen, CP
dc.contributor.authorShen, XY
dc.contributor.authorSheng, HY
dc.contributor.authorSonoda, S
dc.contributor.authorSpataro, S
dc.contributor.authorSpruck, B
dc.contributor.authorSun, DH
dc.contributor.authorSun, GX
dc.contributor.authorSun, JF
dc.contributor.authorSun, SS
dc.contributor.authorSun, XD
dc.contributor.authorSun, YJ
dc.contributor.authorSun, YZ
dc.contributor.authorSun, ZJ
dc.contributor.authorSun, ZT
dc.contributor.authorTang, CJ
dc.contributor.authorTang, X
dc.contributor.authorTang, XF
dc.contributor.authorTian, HL
dc.contributor.authorToth, D
dc.contributor.authorVarner, GS
dc.contributor.authorWan, X
dc.contributor.authorWang, BQ
dc.contributor.authorWang, JK
dc.contributor.authorWang, K
dc.contributor.authorWang, LL
dc.contributor.authorWang, LS
dc.contributor.authorWang, P
dc.contributor.authorWang, PL
dc.contributor.authorWang, Q
dc.contributor.authorWang, SG
dc.contributor.authorWang, XD
dc.contributor.authorWang, XL
dc.contributor.authorWang, YD
dc.contributor.authorWang, YF
dc.contributor.authorWang, YQ
dc.contributor.authorWang, Z
dc.contributor.authorWang, ZG
dc.contributor.authorWang, ZY
dc.contributor.authorWei, DH
dc.contributor.authorWen, SP
dc.contributor.authorWiedner, U
dc.contributor.authorWu, LH
dc.contributor.authorWu, N
dc.contributor.authorWu, YM
dc.contributor.authorWu, Z
dc.contributor.authorXiao, ZJ
dc.contributor.authorXie, YG
dc.contributor.authorXu, GF
dc.contributor.authorXu, GM
dc.contributor.authorXu, H
dc.contributor.authorXu, M
dc.contributor.authorXu, M
dc.contributor.authorXu, XP
dc.contributor.authorXu, Y
dc.contributor.authorXu, ZZ
dc.contributor.authorXue, Z
dc.contributor.authorYan, L
dc.contributor.authorYan, WB
dc.contributor.authorYan, YH
dc.contributor.authorYang, HX
dc.contributor.authorYang, M
dc.contributor.authorYang, P
dc.contributor.authorYang, SM
dc.contributor.authorYang, YX
dc.contributor.authorYe, M
dc.contributor.authorYe, MH
dc.contributor.authorYu, BX
dc.contributor.authorYu, CX
dc.contributor.authorYu, L
dc.contributor.authorYuan, CZ
dc.contributor.authorYuan, Y
dc.contributor.authorZeng, Y
dc.contributor.authorZhang, BX
dc.contributor.authorZhang, BY
dc.contributor.authorZhang, CC
dc.contributor.authorZhang, DH
dc.contributor.authorZhang, HH
dc.contributor.authorZhang, HY
dc.contributor.authorZhang, JW
dc.contributor.authorZhang, JY
dc.contributor.authorZhang, JZ
dc.contributor.authorZhang, L
dc.contributor.authorZhang, SH
dc.contributor.authorZhang, XY
dc.contributor.authorZhang, Y
dc.contributor.authorZhang, YH
dc.contributor.authorZhang, ZP
dc.contributor.authorZhao, C
dc.contributor.authorZhao, HS
dc.contributor.authorZhao, JW
dc.contributor.authorZhao, JW
dc.contributor.authorZhao, L
dc.contributor.authorZhao, L
dc.contributor.authorZhao, MG
dc.contributor.authorZhao, Q
dc.contributor.authorZhao, SJ
dc.contributor.authorZhao, TC
dc.contributor.authorZhao, XH
dc.contributor.authorZhao, YB
dc.contributor.authorZhao, ZG
dc.contributor.authorZhemchugov, A
dc.contributor.authorZheng, B
dc.contributor.authorZheng, JP
dc.contributor.authorZheng, YH
dc.contributor.authorZheng, ZP
dc.contributor.authorZhong, B
dc.contributor.authorZhong, J
dc.contributor.authorZhou, L
dc.contributor.authorZhou, ZL
dc.contributor.authorZhu, C
dc.contributor.authorZhu, K
dc.contributor.authorZhu, KJ
dc.contributor.authorZhu, QM
dc.contributor.authorZhu, XW
dc.contributor.authorZhu, YS
dc.contributor.authorZhu, ZA
dc.contributor.authorZhuang, J
dc.contributor.authorZou, BS
dc.contributor.authorZou, JH
dc.contributor.authorZuo, JX
dc.contributor.authorZweber, P
dc.date.accessioned2010-10-31T11:22:08Z
dc.date.available2010-10-31T11:22:08Z
dc.date.issued2010
dc.description.abstractThe decay channel Ψ′ π +π - J/Ψ(J/Ψ γp) is studied using a sample of 1.06 × 10 8 Ψ′ events collected by the BESIII experiment at BEPCII. A strong enhancement at threshold is observed in the p invariant mass spectrum. The enhancement can be fitted with an S-wave Breit-Wigner resonance function with a resulting peak mass of M 1861 +6 -13 (stat) +7 -26 ( sy st) MeV/c 2 and a narrow width that is Γ < 38 MeV/c 2 at the 90% confidence level. These results are consistent with published BESII results. These mass and width values do not match with well established mesons. © 2010 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.
dc.description.naturelink_to_OA_fulltext
dc.identifier.citationChinese Physics C, 2010, v. 34 n. 4, p. 421-426 [How to Cite?]
DOI: http://dx.doi.org/10.1088/1674-1137/34/4/001
dc.identifier.doihttp://dx.doi.org/10.1088/1674-1137/34/4/001
dc.identifier.epage426
dc.identifier.hkuros182841
dc.identifier.issn1674-1137
2011 Impact Factor: 0.272
2011 SCImago Journal Rankings: 0.032
dc.identifier.issue4
dc.identifier.openurl
dc.identifier.scopuseid_2-s2.0-77951825254
dc.identifier.spage421
dc.identifier.urihttp://hdl.handle.net/10722/125283
dc.identifier.volume34
dc.languageeng
dc.publisherInstitute of Physics Publishing Ltd.. The Journal's web site is located at http://www.iop.org/journals/cpc
dc.publisher.placeUnited Kingdom
dc.relation.ispartofChinese Physics C
dc.relation.referencesReferences in Scopus
dc.rightsChinese Physics C, High Energy Physics and Nuclear Physics. Copyright © Institute of Physics Publishing Ltd..
dc.subjectPp̄
dc.subjectThreshold enhancement
dc.titleObservation of a pp̄ mass threshold enhancement in Ψ′ π +π - J/Ψ(J/Ψ γ p) decay
dc.typeArticle
Author Affiliations
  1. Graduate University of Chinese Academy of Sciences
  2. Universität Bochum
  3. Saint Petersburg Nuclear Physics Institute, Russian Academy of Sciences
  4. Nanjing University
  5. Moskovskij Fiziko-Tehniceskij Institut - Gosudarstvennyj Universitet
  6. Shandong University
  7. University of Minnesota Twin Cities
  8. Hunan University
  9. The University of Hong Kong
  10. Zhejiang University
  11. Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  12. Wuhan University
  13. Zhengzhou University
  14. Huazhong Normal University
  15. Guangxi University
  16. China Center of Advanced Science and Technology World Laboratory
  17. University of Science and Technology of China
  18. Carnegie Mellon University
  19. University of Hawaii at Manoa
  20. Nankai University
  21. Università degli Studi di Torino
  22. Sun Yat-Sen University
  23. Nanjing Normal University
  24. Joint Institute for Nuclear Research, Dubna
  25. Liaoning University
  26. Seoul National University
  27. null
  28. Soochow University
  29. Henan Normal University
  30. University of Tokyo
  31. GSI Helmholtz Centre for Heavy Ion Research GmbH
  32. Peking University
  33. Guangxi Normal University
  34. Tsinghua University
  35. University of Washington Seattle
  36. Institute of High Energy Physics Chinese Academy of Science
  37. Bogolyubov Institute for Theoretical Physics Nasu
  38. Sichuan University
  39. Chinese University of Hong Kong
  40. Shanxi University