Articles in Refereed Journals
2022:
104) Proton 3D tracking and emission time from a short-lived isomer with ACTAR TPC
J.Giovinazzo, T.Roger, B.Blank, D.Rudolph, H.Alvarez-Pol, A.Arioka Raj, P.Ascher, M.Caamano-Fresco, L.Caceres, D.M.Cox, B.Fernandez-Dominguez, J.Lois-Fuentes, M.Gerbaux, S.Grevy, G.F.Grinyer, O.Kamalou, B.Mauss, A.Mentana, J.Pancin, J.Pibernat, J.Piot, O.Sorlin, C.Stodel, J.C.Thomas and M.Versteegen
doi: 10.1016/j.nima.2022.167447
103) Improved measurement of the E0 transition strength for 72Se using the SPICE spectrometer
J.Smallcombe, A.B.Garnsworthy, W.Korten, P.Singh, F.A.Ali, C.Andreiou, S.Ansari, G.C.Ball, C.J.Barton, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, A.Chester, S.A.Gillespie, G.F.Grinyer, G.Hackman, C.Jones, B.Melon, M.Moukaddam, A.Nannini, P.Ruotsalainen, K.Starosta, C.E.Svenssonm R.Wadsworth and J.Williams
doi: 10.1103/PhysRevC.106.014312
102) Mirror symmetry at mass A=54: E4 effective charges near doubly magic 56Ni
D.Rudolph, B.Blank, J.Giovinazzo, T.Roger, H.Alvarez-Pol, A.Arioka Raj, P.Ascher, M.Caamano-Fresco, L.Caceres, D.M.Cox, B.Fernandez-Dominguez, J.Lois-Fuentes, M.Gerbaux, S.Grevy, G.F.Grinyer, O.Kamalou, B.Mauss, A.Mentana, J.Pancin, J.Pibernat, J.Piot, O.Sorlin, C.Stodel, J.C.Thomas and M.Versteegen
doi: 10.1016/j.physletb.2022.137144
101) High-precision half-life determination of 14O via direct beta counting
S.Sharma, G.F.Grinyer, G.C.Ball, J.R.Leslie, C.E.Svensson, F.A.Ali, C.Andreoiu, N.Bernier, S.S.Bhattacharjee, V.Bildstein, C.Burbadge, R.Caballero, R.J.Coleman, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, E. Gyabeng Fuakye, G.M.Huber, B.Jigmeddorj, K.Kapoor, A.T.Laffoley, K.G.Leach, J.Long, A.D.MacLean, C.R.Natzke, B.Olaizola, A.J.Radich, N.Saei, J.Smallcombe, A.Talebitaher, K.Whitmore and T.Zidar
doi: 10.1140/epja/s10050-022-00730-w
100) Ground state of super-heavy 7H
M.Caamano, T.Roger, A.Moro, G.F.Grinyer, J.Pancin, S.Bagchi, S.Sambi, J.Gibelin, B.Fernandez-Dominguez, N.Itagaki, J.Benlliure, D.Cortina-Gil, F.Farget, B.Jacquot, D.Perez-Loureiro, B.Pietras, R.Raabe, D.Ramos, C.Rodriguez-Tajes, H.Savajols and M.Vandebrouck
doi: 10.1016/j.physletb.2022.137067
99) Mirror nucleon removal reactions in p-shell nuclei
A.N.Kuchera, D.Bazin, T.Phan, J.A.Tostevin, M.Babo, T.Baumann, P.C.Bender M.Bowry, J.Bradt, J.Brown, P.A.DeYoung, B.Elman, J.E.Finck, A.Gade, G.F.Grinyer, M.Jones, B.Longfellow, E.Lunderberg, T.H.Redpath, W.F.Rogers, K.Stiefel, M.Thoennessen, D.Votaw, D.Weisshaar, K.Whitmore and R.B.Wiringa
doi: 10.1103/PhysRevC.105.034314
2021:
98) First direct measurement of 59Cu(p,a)56Ni: A step towards constraining the Ni-Cu cycle in the cosmos
J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, P.Gastis, G.F.Grinyer, E.Gyabeng Fuakye, G.Hackman, R.Jain, K.Kapoor, R.Kruecken, A.T.Laffoley, A.Lennarz, J.Liang, Z.Meisel, N.Nikhil, A.Psaltis, A.J.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.E.Svensson, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams and M.Williams
doi: 10.1103/PhysRevC.104.L042801
97) Coulomb excitation of 80,82Kr and a change in structure approaching N = Z = 40
S.Gillespie, J.Henderson, K.Abrahams, F.A.Ali, L.Atar, G.C.Ball, N.Bernier, S.S.Bhattacharjee, A.Chester, R.Caballero-Folch, T.Drake, E.Dunling, A.B.Garnsworthy, B.Greaves, G.F.Grinyer. G.Hackman, E.Kasanda, R.LaFleur, S.Masango, D.Muecher, C.Ngwetsheni, S.S.Ntshangase, B.Olaizola, J.N.Orce, T.Rockman, Y.Saito, L.Sexton, P.Siuryte, J.Smallcombe, C.E.Svensson, E.Timakova, R.Wadsworth, J.Williams, C.Y.Wu and T.Zidar
doi: 10.1103/PhysRevC.104.044313
96) 4D imaging of drip-line radioactivity by detecting proton emission from 54Ni in ACTAR TPC
J.Giovinazzo, T.Roger, B.Blank, D.Rudolph, B.A.Brown, H.Alvarez-Pol, A.Arokiaraj, P.Ascher, M.Caamano, L.Caceres, D.M.Cox, B.Fernandez-Dominguez, J.Lois-Fuentes, M.Gerbaux, S.Grevy, G.F.Grinyer, O,Kamalou, B.Mauss, A.Mentana, J.Pancin, J.Pibernat, J.Piot, O.Sorlin, C.Stodel, J.C.Thomas and M.Versteegen
doi: 10.1038/s41467-021-24920-0
95) Performance tests of a LaBr3:Ce detector coupled to the GET front-end ASIC
O.Poleshchuk, J.A.Swartz, A.Arokiaraj, S.Ceruti, H.DeWitte, G.F.Grinyer, A.T.Laffoley, T.Marchi, R.Raabe, M.Renaud and J.Yang
doi: 10.1016/j.nima.2020.164863
2020:
94) Low-lying single-particle structure of 17C and the N=14 sub-shell closure
X.Pereira-Lopez, B.Fernandez-Dominguez, F.Delaunay, N.L.Achouri, N.A.Orr, W.N.Catford, M.Assie, S.Bailey, B.Bastin, Y.Blumenfeld, R.Borcea, M.Caamano, L.Caceres, E.Clement, A.Corsi, N.Curtis, Q.Deshayes, F.Farget, M.Fisichella, G.deFrance, S.Franchoo, M.Freer, J.Gibelin, A.Gillibert, G.F.Grinyer, F.Hammache, O.Kamalou, A.Knapton, T.Kokalova, V.Lapoux, J.A.Lay, B.LeCrom, S.Leblond, J.Lois-Fuentes, F.M.Marques, A.Matta, P.Morfouace, A.M.Moro, T.Otsuka, J.Pancin, L.Perrot, E.C.Pollacco, D.Ramos, C.Rodriguez-Tajes, T.Roger, F.Rotaru, M.Senoville, N.deSereville, R.Smith, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, D.Suzuki, T.Suzuki, J.C.Thomas, N.Timofeyuk, M.Vandebrouck, J.Walshe and C.Wheldon
doi: 10.1016/j.physletb.2020.135939
93) Signature of a possible alpha-cluster state in N=Z doubly magic 56Ni
S.Bagchi, H.Akimune, J.Gibelin, M.N.Harakeh, N.Kalantar-Nayestanaki, N.L.Achouri, B.Bastin, K.Boretzky, H.Bouzomita, M.Caamano, L.Caceres, S.Damoy, F.Delaunay, B.Fernandez-Dominguez, M.Fujiwara, U.Garg, G.F.Grinyer, O.Kamalou, E.Khan, A.Krasznahorkay, G.Lhoutellier, J.F.Libin, S.Lukyanov, K.Mazurek, M.A.Najafi, J.Pancin, Y.Penionzhkevich, L.Perrot, R.Raabe, C.E.Rigollet, T.Roger, S.Sambi, H.Savajols, M.Senoville, C.Stodel, L.Suen, J.C.Thomas, M.Vandebrouck and J.Van de Walle
doi: 10.1140/epja.S10050.020.294
92) High-precision branching ratio measurement and spin assignment implications for 62Ga decay
A.D.MacLean, A.T.Laffoley, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, A.Babu, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, C.Burbadge, M.Bowry, C.Cheng, D.S.Cross, A.Diaz-Varela, I.Dillmann, M.R.Dunlop, R.Dunlop, L.J.Evitts, P.Finlay, S.Gillespie, A.B.Garnsworthy, P.E.Garrett, E.Gopaul, C.Griffin, G.F.Grinyer, G.Hackman, J.Henderson, B.Jigmeddorj, K.G.Leach, E.Kassanda, J.McAfee, M.Moukaddam, C.Natzke, S.Nittala, B.Olaizola, J.Park, C.Paxman, J.L.Pore, C.Porzio, A.J.Radich, P.Ruotsalainen, Y.Saito, S.Sharma, J.Smallcombe, J.K.Smith, R.Sultana, J.Turko, J.Williams, D.Yates and T.Zidar
doi: 10.1103/PhysRevC.102.054325
91) Branching ratio of the superallowed beta decay of 10C
B.Blank, M.Aouadi, P.Ascher, M.Gerbaux, J.Giovinazzo S.Grévy, T.Kurtukian-Nieto, M.R.Dunlop, R.Dunlop, A.T.Laffoley, G.F.Grinyer and P.Finlay
90) Shape coexistence and multiparticle-multihole structures in 110,112Cd
P.E.Garrett, T.R.Rodriguez, A.Diaz Varela, K.L.Green, J.Bangay, A.Finlay, R.A.E.Austin, G.C.Ball, D.S.Bandyopadhyay, V.Bildstein, S.Colosimo, D.S.Cross, G.A.Demand, P.Finlay, A.B.Garnsworthy, G.F.Grinyer, G.Hackman, B.Jigmeddorj, J.Jolie, W.D.Kulp, K.G.Leach, A.C.Morton, J.N.Orce, C.J.Pearson, A.A.Phillips, A.J.Radich, E.T.Rand, M.A.Schumaker, C.E.Svensson, C.Sumithrarachchi, S.Triambak, N.Warr, J.Wong, J.L.Wood and S.W.Yates
doi: 10.1103/PhysRevC.101.044302
2019:
89) Multiple shape coexistence in 110,112Cd
P.E.Garrett, T.R.Rodriguez, A.Diaz Varela, K.L.Green, J.Bangay, A.Finlay, R.A.E.Austin, G.C.Ball, D.S.Bandyopadhyay, V.Bildstein, S.Colosimo, D.S.Cross, G.A.Demand, P.Finlay, A.B.Garnsworthy, G.F.Grinyer, G.Hackman, B.Jigmeddorj, J.Jolie, W.D.Kulp, K.G.Leach, A.C.Morton, J.N.Orce, C.J.Pearson, A.A.Phillips, A.J.Radich, E.T.Rand, M.A.Schumaker, C.E.Svensson, C.Sumithrarachchi, S.Triambak, N.Warr, J.Wong, J.L.Wood and S.W.Yates
doi: 10.1103/PhysRevLett.123.142502 and read the accompanying Physics Synopsis
88) Commissioning of the ACtive TARget and Time Projection Chamber (ACTAR TPC)
B.Mauss, P.Morfouace, T.Roger, J.Pancin, G.F.Grinyer, J.Giovinazzo, V.Alcindor, H.Alvarez-Pol, A.Arokiaraj, M.Babo, B.Bastin, C.Borcea, M.Caamano, S.Ceruti, B.Fernandez-Dominguez, E.Foulon-Moret, P.Gangnant, S.Giraud, A.T.Laffoley, G.Mantovani, T.Marchi, B.Monteagudo, J.Pibernat, O.Poleshchuk, R.Raabe, S.Refsgaard, A.Revel, F.Saillant, M.Stanoiu, G.Wittwer and J.C.Yang
doi: 10.1016/j.nima.2019.06.067
87) Validation of the energy-loss response of alpha particles in iC4H10 with ACTARSim
P.Konczykowski, B.Fernandez-Dominguez, H.Alvarez-Pol, M.Caamano, G.F.Grinyer, A.T.Laffoley, B.Mauss, J.Pancin, D.Perez-Loureiro and T.Roger
doi: 10.1016/j.nima.2019.02.013
2018:
86) Double differential neutron spectra generated by the interaction of a 12 MeV/u 36S beam on a thick Cu target
N.D.Trinh, M.Fadil, M.Lewitowicz, X.Ledoux, B.Laurent, J.C.Thomas, T.Clerc, V.Desmezieres, M.Dupuis, A.Madeline, E.Dessay, G.F.Grinyer, J.Grinyer, N.Menard, F.Poree, L.Achouri, F.Delaunay and M.Parlog
doi: 10.1016/j.nima.2018.04.022
85) Demonstrator detection system for the active target and time projection chamber (ACTAR TPC) project
T.Roger, J.Pancin, G.F.Grinyer, B.Mauss, A.T.Laffoley, P.Rosier, H.Alvarez-Pol, M.Babo, B.Blank, M.Caamano, S.Ceruti, J.Daemen, S.Damoy, B.Duclos, B.Fernandez-Dominguez, F.Flavigny, J.Giovinazzo, T.Goigoux, J.L.Henares, P.Konczykowski, T.Marchi, G.Lebertre, N.Lecesne, L.Legeard, C.Maugeais, G.Minier, B.Osmond, J.L.Pedroza, J.Pibernat, O.Poleshchuk, E.C.Pollacco, R.Raabe, B.Raine, F.Renzi, F.Saillant, P.Senecal, P.Sizun, D.Suzuki, J.A.Swartz, C.Wouters, G.Wittwer and J.C.Yang
doi: 10.1016/j.nima.2018.04.003
84) Metal-core pad-plane development for ACTAR TPC
J.Giovinazzo, J.Pibernat, T.Goigoux, R.de Oliveira, G.F.Grinyer, C.Huss, B.Mauss, J.Pancin, J.L.Pedroza, A.Rebii, T.Roger, P.Rosier, F.Saillant, and G.Wittwer
doi: 10.1016/j.nima.2018.03.007
83) GET: A generic electronics system for TPCs and nuclear physics instrumentation
E.C.Pollacco, G.F.Grinyer, F.Abu-Nimeh, T.Ahn, S.Anvar, A.Arokiaraj, Y.Ayyad, H.Baba, M.Babo, P.Baron, D.Bazin, S.Beceiro-Novo, C.Belkhiria, M.Blaizot, B.Blank, J.Bradt, G.Cardella, L.Carpenter, S.Ceruti, D.De Filippo, E.Delagnes, S.De Luca, H.De Witte, F.Druillole, B.Duclos, F.Favela, A.Fritsch, J.Giovinazzo, C.Gueye, T.Isobe, P.Hellmuth, C.Huss, B.Lachacinski, A.T.Laffoley, G.Lebertre, L.Legeard, W.G.Lynch, T.Marchi, L.Martina, C.Maugeais, W.Mittig, L.Nalpas, E.V.Pagano, J.Pancin, O.Poleshchuk, J.L.Pedroza, J.Pibernat, S.Primault, R.Raabe, B.Raine, A.Rebii, M.Renaud, T.Roger, P.Roussel-Chomaz, P.Russotto, G.Sacca, F.Saillant, P.Sizun, D.Suzuki, J.A.Swartz, A.Tizon, N.Usher, G.Wittwer and J.C.Yang
doi: 10.1016/j.nima.2018.01.020
2017:
82) High-precision measurement of the 19Ne half-life using real-time digital acquisition
C.Fontbonne, P.Ujic, F.de Olivera Santos, X.Flechard, F.Rotaru, N.L.Achouri, B.Bastin, F.Boulay, J.B.Briand, C.Borcea, R.Borcea, H.Bouzomita, B.Blank, B.Carniol, I.Celikovic, P.Delahaye, F.Delaunay, D.Etasse, G.Fremont, G.de France, J.M.Fontbonne, G.F.Grinyer, J.Harang, J.Hommet, A.Jevreomic, M.Lewitowicz, I.Martel, J.Mrazek, M.Parlog, J.Poincheval, D.Ramos, A.M.Sanchez-Benitez, C.Spitaels, M.Stanoiu, J.C.Thomas and D.Toprek
doi: 10.1103/PhysRevC.96.065501
81) Beta-particle summing corrections for beta-delayed proton emission measurements
Z.Meisel, M.del Santo, H.L.Crawford, R.H.Cyburt, G.F.Grinyer, C.Langer, F.Montes, H.Schatz and K.Smith
doi: 10.1016/j.nima.2016.11.019
80) First inverse-kinematics fission measurements in a gaseous active target
C.Rodriguez-Tajes, F.Farget, L.Acosta, H.Alvarez-Pol, M.Babo, F.Boulay, M.Caamano, S.Damoy, B.Fernandez-Dominguez, D.Galaviz, G.F.Grinyer, J.Grinyer, M.N.Harakeh, P.Konczykowski, I.Martel, J.Pancin, G.Randisi, F.Renzi, T.Roger, A.M.Sanchez-Benitez, M.Vandebrouck and P.Teubig
doi: 10.1016/j.nuclphysa.2016.12.003
2016:
79) GET electronics samples analysis
J.Giovinazzo, T.Goigoux, S.Anvar, P.Baron, B.Blank, E.Delagnes, G.F.Grinyer, J.Pancin, J.L.Pedroza, J.Pibernat, E.C.Pollacco, A.Rebii, T.Roger and P.Sizun
doi: 10.1016/j.nima.2016.09.018
78) High-precision half-life measurements for the superallowed Fermi emitter 10C
M.R.Dunlop, C.E.Svensson, G.C.Ball, G.F.Grinyer, J.R.Leslie, C.Andreoiu, R.A.E.Austin, T.Ballast, P.C.Bender, V.Bildstein, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, D. S.Jamieson, A.T.Laffoley, A.D.MacLean, D.M.Miller, W.J.Mills, J.Park, A.J.Radich, M.M.Rajabali, E. T. Rand, C. Unsworth, A. Valencik, Z. M. Wang and E. F. Zganjar
doi: 10.1103/PhysRevLett.116.172501
77) In-beam gamma-ray spectroscopy of 63Mn
T.Baugher, A.Gade, R.V.F.Janssens, S.M.Lenzi, D.Bazin, M.P.Carpenter, C.J.Chiara, A.N.Deacon, S.J.Freeman, G.F.Grinyer, C.M.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, E.M.Lunderberg, S.McDaniel, K.Meierbachtol, A.Ratkiewicz, S.R.Stroberg, K.A.Walsh, D.Weishaar and S.Zhu
doi: 10.1103/PhysRevC.93.014313
2015:
76) Observation of isoscalar multipole strength in 56Ni inelastic scattering in inverse kinematics
S.Bagchi, J.Gibelin, M.N.Harakeh, N.Kalantar-Nayestanaki, N.L.Achouri, H.Akimune, B.Bastin, K.Boretzky, H.Bouzomita, M.Caamano, L.Caceres, F.Delaunay, B.Fernandez-Dominguez, M.Fujiwara, U.Garg, G.F.Grinyer, O.Kamalou, E.Khan, A.Krasznahorkay, G.Lhoutellier, S.Lukyanov, K.Mazurek, M.A.Najafi, J.Pancin, Y.Penionzhkevich, L.Perrot, R.Raabe, C.E.Rigoliet, T.Roger, S.Sambi, H.Savajols, M.Senoville, C.Stodel, L.Suen, J.C.Thomas, M.Vandebrouck and J.Van de Walle
doi: 10.1016/j.physletb.2015.10.060
75) Spectroscopy of 28Na: shell evolution towards the drip line
A.Lepailleur, K.Wimmer, A.Mutschler, O.Sorlin, J.C.Thomas, V.Bader, C.Bancroft, D.Barofsky, B.Bastin, T.Baugher, D.Bazin, V.Bildstein, C.Borcea, R.Borcea, B.A.Brown, L.Caceres, A.Gade, L.Gaudefroy, S.Grevy, G.F.Grinyer, H.Iwasaki, E.Khan, T.Kroll, C.Langer, A.Lemasson, O.Llidoo, J.Lloyd, E.Lunderberg, F.Negoita, F.de Oliveira, G.Perdikakis, F.Recchia, T.Redpath, T.Roger, F.Rotaru, S.Saenz, M.G.Saint-Laurent, D.Smalley, D.Sohler, M.Stanoiu, S.R.Stroberg, M.Vandebrouck, D.Weisshaar and A.Westerberg
doi: 10.1103/PhysRevC.92.054309
74) High-precision half-life measurements for the T=1/2 mirror beta decays 17F and 33Cl
J.Grinyer, G.F.Grinyer, M.Babo, H.Bouzomita, P.Chauveau, P.Delahaye, M.Dubois, R.Frigot, P.Jardin, C.Leboucher, L.Maunoury, C.Seiffert, J.C.Thomas and E.Traykov
doi: 10.1103/PhysRevC.92.045503
73) Isoscalar response of 68Ni to alpha particle and deuteron probes
M.Vandebrouck, J.Gibelin, E.Khan, N.L.Achouri, H.Baba, D.Beaumel, Y.Blumenfeld, M.Caamano, L.Caceres, G.Colo, F.Delaunay, B.Fernandez-Dominguez, U.Garg, G.F.Grinyer, M.N.Harakeh, N.Kalantar-Nayestanaki, N.Keeley, W.Mittig, J.Pancin, R.Raabe, T.Roger, P.Roussel-Chomaz, H.Savajols, O.Sorlin, C.Stodel, D.Suzuki and J.C.Thomas
doi: 10.1103/PhysRevC.92.024316
72) High-precision half-life measurements for the superallowed Fermi beta emitter 18Ne
A.T.Laffoley, C.E.Svensson, C.Andreoiu, G.C.Ball, P.C.Bender, H.Bidaman, V.Bildstein, B.Blank, D.S.Cross, G.Deng, A.Diaz-Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, J.Giovinazzo, G.F.Grinyer, J.Grinyer, G.Hackman, B.Hadinia, D.S.Jamieson, B.Jigmeddorj, D.Kisliuk, K.G.Leach, J.R.Leslie, A.D.Maclean, D.Miller, B.Mills, M.Moukaddam, A.J.Radich, M.M.Rajabali, E.T.Rand, J.C.Thomas, J.Turko, P.Voss and C.Unsworth
doi: 10.1103/PhysRevC.92.025502
71) Nuclear structure studies of 24F
L.Caceres, A.Lepailleur, O.Sorlin, M.Stanoiu, B.A.Brown, D.Sohler, Zs.Dombradi, F.Azaiez, B.Bastin, C.Borcea, R.Borcea, C.Bourgeois, Z.Elekes, Zs.Fulop, L.Gaudefroy, S.Grevy, G.F.Grinyer, F.Ibrahim, D.Guillemaud-Meuller, A.Kerek, A.Krasznahorkay, M.Lewitowicz, O.Llidoo, S.M.Lukyanov, J.Mrazek, F.Negoita, F.de Oliveira, Yu.E.Penionzhkevich, Zs.Podolyak, M.G.Pourquet, F.Rotaru, P.Roussel-Chomaz, M.G.Saint-Laurent, H.Savajols, J.Sletten, J.C.Thomas, J.Timar, C.Timis and Zs.Vajta
doi: 10.1103/PhysRevC.92.014327
70) High-precision half-life measurement for the isospin T=1/2 mirror beta decay of 21Na
J.Grinyer, G.F.Grinyer, M.Babo, H.Bouzomita, P.Chauveau, P.Delahaye, M.Dubois, R.Frigot, P.Jardin, C.Leboucher, L.Maunoury, C.Seiffert, J.C.Thomas and E.Traykov