| [1] | Marciano W J and Pagels H 1978 Phys. Rep. 36 137 |
| [2] | Wilson K G 1974 Phys. Rev. D 10 2445 |
| [3] | Bali G S et al. 2016 J. High Energy Phys. 2016(02) 070 |
| [4] | Mezrag C, Segovia J, Chang L and Roberts C D 2018 Phys. Lett. B 783 263 |
| [5] | Bali G S et al. 2019 Eur. Phys. J. A 55 116 |
| [6] | Pagels H 1973 Phys. Rev. D 7 3689 |
| [7] | Lane K D 1974 Phys. Rev. D 10 2605 |
| [8] | Politzer H D 1976 Nucl. Phys. B 117 397 |
| [9] | Pagels H 1979 Phys. Rev. D 19 3080 |
| [10] | Delbourgo R and Scadron M D 1979 J. Phys. G 5 1621 |
| [11] | Roberts C D and Williams A G 1994 Prog. Part. Nucl. Phys. 33 477 |
| [12] | Munczek H J 1995 Phys. Rev. D 52 4736 |
| [13] | Bender A, Roberts C D and von Smekal L 1996 Phys. Lett. B 380 7 |
| [14] | Ward J C 1950 Phys. Rev. 78 182 |
| [15] | Green H S 1953 Proc. Phys. Soc. A 66 873 |
| [16] | Takahashi Y 1957 Nuovo Cimento 6 371 |
| [17] | Maris P and Roberts C D 2003 Int. J. Mod. Phys. E 12 297 |
| [18] | Chang L, Roberts C D and Tandy P C 2011 Chin. J. Phys. 49 955 |
| [19] | Chang L, Cloet I C, Cobos-Martinez J J, Roberts C D, Schmidt S M and Tandy P C 2013 Phys. Rev. Lett. 110 132001 |
| [20] | Chang L, Roberts C D and Schmidt S M 2013 Phys. Lett. B 727 255 |
| [21] | Qin S X, Roberts C D and Schmidt S M 2014 Phys. Lett. B 733 202 |
| [22] | Mezrag C, Chang L, Moutarde H, Roberts C D, Rodríguez-Quintero J and Schmidt S M 2015 Phys. Lett. B 741 190 |
| [23] | Raya K, Chang L, Bashir A, Cobos-Martinez J J, Gutiérrez-Guerrero L X, Roberts C D and Tandy P C 2016 Phys. Rev. D 93 074017 |
| [24] | Horn T and Roberts C D 2016 J. Phys. G 43 073001 |
| [25] | Li B L et al. 2016 Phys. Rev. D 93 114033 |
| [26] | Binosi D, Chang L, Qin S X, Papavassiliou J and Roberts C D 2016 Phys. Rev. D 93 096010 |
| [27] | Roberts C D and Schmidt S M 2020 arXiv:2006.08782[hep-ph] |
| [28] | Qin S X, Chang L, Liu Y X, Roberts C D, Wilson D J 2011 Phys. Rev. C 84 042202(R) |
| [29] | Qin S X, Chang L, Liu Y X, Roberts C D and Wilson D J 2012 Phys. Rev. C 85 035202 |
| [30] | Qin S X, Roberts C D and Schmidt S M 2018 Phys. Rev. D 97 114017 |
| [31] | Qin S X, Roberts C D and Schmidt S M 2019 Few-Body Syst. 60 26 |
| [32] | Aguilar A C, Binosi D and Papavassiliou J 2016 Front. Phys. Chin. 11 111203 |
| [33] | Cui Z F, Zhang J L, Binosi D, de Soto F, Mezrag C, Papavassiliou J, Roberts C D, Rodríguez-Quintero J, Segovia J and Zafeiropoulos S 2020 Chin. Phys. C 44 083102 |
| [34] | Zyla P A et al. 2020 Prog. Theor. Exp. Phys. 2020 083C01 |
| [35] | Chang L and Roberts C D 2009 Phys. Rev. Lett. 103 081601 |
| [36] | Chang L, Liu Y X and Roberts C D 2011 Phys. Rev. Lett. 106 072001 |
| [37] | Chang L and Roberts C D 2012 Phys. Rev. C 85 052201(R) |
| [38] | Williams R, Fischer C S, Heupel W 2016 Phys. Rev. D 93 034026 |
| [39] | Qin S X 2016 Few-Body Syst. 57 1059 |
| [40] | Ding M et al. 2019 Phys. Rev. D 99 014014 |
| [41] | Binosi D, Chang L, Papavassiliou J, Qin S X and Roberts C D 2017 Phys. Rev. D 95 031501(R) |
| [42] | Binosi D, Chang L, Papavassiliou J and Roberts C D 2015 Phys. Lett. B 742 183 |
| [43] | Roberts C D 1996 Nucl. Phys. A 605 475 |
| [44] | Maris P and Tandy P C 2000 Phys. Rev. C 62 055204 |
| [45] | Volmer J et al. 2001 Phys. Rev. Lett. 86 1713 |
| [46] | Maris P and Roberts C D 1997 Phys. Rev. C 56 3369 |
| [47] | Windisch A 2017 Phys. Rev. C 95 045204 |
| [48] | Chang L, Cloet I C, Roberts C D, Schmidt S M and Tandy P C 2013 Phys. Rev. Lett. 111 141802 |
| [49] | Nakanishi N 1969 Prog. Theor. Phys. Suppl. 43 1 |
| [50] | Denisov O et al. Letter of Intent (Draft 2.0): A New QCD Facility at the M2 Beam Line of the CERN SPS. |
| [51] | Aguilar A C et al. 2019 Eur. Phys. J. A 55 190 |
| [52] | Cao X et al. 2020 Nucl. Tech. 43 020001 |
| [53] | Chen X, Guo F K, Roberts C D and Wang R 2020 arXiv:2008.00102[hep-ph] |
| [54] | Ding M, Gao F, Chang L, Liu Y X and Roberts C D 2016 Phys. Lett. B 753 330 |
| [55] | Raya K, Ding M, Bashir A, Chang L and Roberts C D 2017 Phys. Rev. D 95 074014 |
| [56] | Gao F, Chang L, Liu Y X, Roberts C D and Tandy P C 2017 Phys. Rev. D 96 034024 |
| [57] | Chen M, Ding M, Chang L and Roberts C D 2018 Phys. Rev. D 98 091505(R) |
| [58] | Schlessinger L and Schwartz C 1966 Phys. Rev. Lett. 16 1173 |
| [59] | Schlessinger L 1968 Phys. Rev. 167 1411 |
| [60] | Tripolt R A, Haritan I, Wambach J and Moiseyev N 2017 Phys. Lett. B 774 411 |
| [61] | Chen C et al. 2019 Phys. Rev. D 99 034013 |
| [62] | Binosi D et al. 2019 Phys. Lett. B 790 257 |
| [63] | Binosi D and Tripolt R A 2020 Phys. Lett. B 801 135171 |
| [64] | Xu Y Z et al. 2019 Phys. Rev. D 100 114038 |
| [65] | Yao Z Q, Binosi D, Cui Z F, Roberts C D, Xu S S and Zong H S 2020 Phys. Rev. D 102 014007 |
| [66] | Ablikim M et al. 2019 Phys. Rev. Lett. 122 061801 |
| [67] | Ablikim M et al. 2015 Phys. Rev. D 92 072012 |
| [68] | Hecht M B, Roberts C D and Schmidt S M 2001 Phys. Rev. C 63 025213 |
| [69] | Ding M et al. 2020 Chin. Phys. C 44 031002 |
| [70] | Ding M et al. 2020 Phys. Rev. D 101 054014 |
| [71] | Cui Z F, Ding M, Gao F, Raya K, Binosi D, Chang L, Roberts C D, Rodríguez-Quintero J and Schmidt S M 2020 arXiv:2006.14075[hep-ph] |
| [72] | Cahill R T, Roberts C D and Praschifka J 1989 Aust. J. Phys. 42 129 |
| [73] | Burden C J, Cahill R T and Praschifka J 1989 Aust. J. Phys. 42 147 |
| [74] | Cahill R T 1989 Aust. J. Phys. 42 171 |
| [75] | Reinhardt H 1990 Phys. Lett. B 244 316 |
| [76] | Efimov G V, Ivanov M A and Lyubovitskij V E 1990 Z. Phys. C 47 583 |
| [77] | Eichmann G, Sanchis-Alepuz H, Williams R, Alkofer R and Fischer C S 2016 Prog. Part. Nucl. Phys. 91 1 |
| [78] | Wang Q W, Qin S X, Roberts C D and Schmidt S M 2018 Phys. Rev. D 98 054019 |
| [79] | Durr S et al. 2008 Science 322 1224 |
| [80] | Eichmann G 2011 Phys. Rev. D 84 014014 |
| [81] | Gilfoyle G 2018 EPJ Web Conf. 172 02004 |
| [82] | Wojtsekhowski B 2020 arXiv:2001.02190 [nucl-ex] |
| [83] | Kelly J J 2004 Phys. Rev. C 70 068202 |
| [84] | Hecht M B, Roberts C D, Oettel M, Thomas A W, Schmidt S M and Tandy P C 2002 Phys. Rev. C 65 055204 |
| [85] | Burkert V D and Roberts C D 2019 Rev. Mod. Phys. 91 011003 |
| [86] | Chen X, Ping J, Roberts C D and Segovia J 2018 Phys. Rev. D 97 094016 |
| [87] | Williams R 2019 Phys. Lett. B 798 134943 |
| [88] | Lu Y, Chen C, Cui Z F, Roberts C D, Schmidt S M, Segovia J and Zong H S 2019 Phys. Rev. D 100 034001 |
| [89] | Brodsky S J et al. 2020 Int. J. Mod. Phys. E (in press) |
| [90] | Barabanov M Y et al. Diquark Correlations in Hadron Physics: Origin, Impact and Evidence (in progress) |
| [91] | Fischer C S 2019 Prog. Part. Nucl. Phys. 105 1 |
| [92] | Gao F and Pawlowski J M 2020 Phys. Rev. D 102 034027 |
| [93] | Raya K, Bashir A and Roig P 2020 Phys. Rev. D 101 074021 |
| [94] | Eichmann G, Fischer C S and Williams R 2020 Phys. Rev. D 101 054015 |
| [95] | Xu S S et al. 2019 Eur. Phys. J. A 55 113 |
| [96] | Souza E V et al. 2020 Eur. Phys. J. A 56 25 |
| [97] | Lucha W, Melikhov D and Sazdjian H 2019 Phys. Rev. D 100 074029 |
| [98] | Kaptari L P and Kämpfer B 2020 Few-Body Syst. 61 28 |
| [99] | Wallbott P C, Eichmann G and Fischer C S 2020 arXiv:2003.12407[hep-ph] |
| [100] | Huber M Q, Fischer C S and Sanchis-Alepuz H 2020 arXiv:2004.00415[hep-ph] |
2020, Vol. 37 
