[1] Iowa State Univ, Dept Phys & Astron, 12 Phys Hall, Ames, IA 50011 USA
[2] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
[3] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA
[4] Univ Aveiro, Inst Nanostruct Nanomodelling & Nanofabricat i3N, Campus Santiago, P-3810193 Aveiro, Portugal
[5] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
[6] Ben Gurion Univ Negev, Fac Engn Sci, Nucl Engn Unit, POB 653, IL-8410501 Beer Sheva, Israel
[7] LBNL, 1 Cyclotron Rd, Berkeley, CA 94720 USA
[8] Basque Fdn Sci, Ikerbasque, E-48013 Bilbao, Spain
[9] Univ Antonio Narino, Ctr Invest Ciencias Basicas & Aplicadas, Carretera 3 Este 47A-15, Bogota, Colombia
[10] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[11] Univ Coimbra, Phys Dept, LIBPhys, Rua Larga, P-3004516 Coimbra, Portugal
[12] Univ Coimbra, Dept Phys, LIP, P-3004516 Coimbra, Portugal
[13] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA
[14] DIPC, Paseo Manuel Lardizabal 4, E-20018 Donostia San Sebastian, Spain
[15] Univ Girona, Escola Politecn Super, Av Montilivi S-N, E-17071 Girona, Spain
[16] Univ Autonoma Madrid, Dept Fis Teor, Campus Cantoblanco, E-28049 Madrid, Spain
[17] CSIC, Inst Fis Corpuscular IFIC, Calle Catedrat Jose Beltran 2, E-46980 Paterna, Spain
[18] Univ Valencia, Calle Catedrat Jose Beltran 2, E-46980 Paterna, Spain
[19] Univ Santiago de Compostela, Inst Gallego Fis Altas Energias, Campus Sur,Rua Xose Maria Suarez Nunez S-N, E-15782 Santiago De Compostela, Spain
[20] Univ Politecn Valencia, CSIC, Ctr Mixto, Inst Instrumentac Imagen Mol I3M, Camino Vera S-N, E-46022 Valencia, Spain
[21] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, Calle Pedro Cerbuna 12, E-50009 Zaragoza, Spain
[22] Lab Subterraneo Canfranc, Huesca, Spain
[23] Univ Texas Austin, Austin, TX 78712 USA