Data Group [H2]: L. Marques, J. Jolly, and L.L. Alves, ''Capacitively coupled radio-frequency hydrogen discharges: The role of kinetics'' 2007 J. Appl. Phys. 102 063305 1-14. The complete cross sections set was compiled mostly from A.V. Phelps et al and H. Tawara et al 1990 J. Phys. Chem. Ref. Data 19 617.
When this complete set is used in a two-term Boltzmann solver (choosing a linear interpolation scheme), it yields calculated swarm parameters in good agreement with measurements for E/N values between 1 and 1000 Td. For E/N < 1 Td, the set must be further completed to include rotational excitation mechanisms (see below), in order to reproduce measured swarm data.
IMPORTANT NOTICE ABOUT ROTATIONAL TRANSITIONS
This set is to be completed with the rotational cross sections for transitions H2(X,v=0,J) --> H2(X,v=0,J+2) (J=0,1,2,3), available in this database under group Hydrogen > H2-rot (see H2-rot description for more details). When the full cross section set for H2 (containing momentum-transfer, and electronic excitation and ionization from ground-state) and H2-rot (including the rotational excitation / deexcitation to/from the H2(J=0), H2(J=1),., H2(J=3) states) are used in a two-term Boltzmann solver, one obtains calculated swarm parameters in good agreement with measurements over a large range of E/N values (1e-4 to 1000 Td).
IMPORTANT NOTE: THIS DATA GROUP IS CURRENTLY UNDER ASSESSMENT.

e / H2

• Elastic E + H2 → E + H2 (m/M = 0.000274348, complete set) | [E + H2(X) -> E + H2(X), Elastic] Phelps A V et al; Wingerden B et al 1977 J. Phys. B 10 1345; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617. Updated: 5 May 2022.
• Excitation E + H2 → E + H2 (v=0 - v=1) (E = 0.516 eV, complete set) | [e + H2(X,v=0) <-> e + H2(X,v=1), Vibrational] Phelps A V et al; Nishimura H et al 1985 J. Phys. Soc. Jpn. 54 1757; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617. Updated: 5 May 2022.
• Excitation E + H2 → E + H2 (v=0 - v=2) (E = 1 eV, complete set) | [e + H2(X,v=0) <-> e + H2(X,v=2), Vibrational] Phelps A V et al; Nishimura H et al 1985 J. Phys. Soc. Jpn. 54 1757; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617. Updated: 5 May 2022.
• Excitation E + H2 → E + H2 (v=0 - v=3) (E = 1.5 eV, complete set) | [e + H2(X,v=0) <-> e + H2(X,v=3), Vibrational] Phelps A V et al; Nishimura H et al 1985 J. Phys. Soc. Jpn. 54 1757; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617. Updated: 5 May 2022.
• Excitation E + H2 → E + H2(b3Su) (E = 7.93 eV, complete set) | [e + H2(X) -> e + H2(b3Su), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1.2); threshold from Janev et al. Updated: 8 August 2022.
• Excitation E + H2 → E + H2(B1Su) (E = 11.4 eV, complete set) | [e + H2(X) -> e + H2(B1Su), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1.61). Updated: 5 May 2022.
• Excitation E + H2 → E + H2(a3Sg) (E = 11.72 eV, complete set) | [e + H2(X) -> e + H2(a3Sg), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 3); threshold from Janev et al. Updated: 8 August 2022.
• Excitation E + H2 → E + H2(c3Pu) (E = 11.72 eV, complete set) | [e + H2(X) -> e + H2(c3Pu), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617; threshold from Janev et al. Updated: 8 August 2022.
• Excitation E + H2 → E + H2(C1Pu) (E = 12.4 eV, complete set) | [e + H2(X) -> e + H2(C1Pu), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1.54). Updated: 5 May 2022.
• Excitation E + H2 → E + H2(E1Sg,F1Sg) (E = 12.4 eV, complete set) | [e + H2(X) -> e + H2(EF1Sg), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1.6). Updated: 5 May 2022.
• Excitation E + H2 → E + H2(e3Su) (E = 13 eV, complete set) | [e + H2(X) -> e + H2(e3Su), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617; threshold from Janev et al. Updated: 8 August 2022.
• Excitation E + H2 → E + H2(B'1Su) (E = 13.8 eV, complete set) | [e + H2(X) -> e + H2(B'1Su), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617. Updated: 5 May 2022.
• Excitation E + H2 → E + H2(D1Pu) (E = 14 eV, complete set) | [e + H2(X) -> e + H2(D1Pu), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1-0.298). Updated: 5 May 2022.
• Excitation E + H2 → E + H2(B''1Su) (E = 14.6 eV, complete set) | [e + H2(X) -> e + H2(B''1Su), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1-0.967). Updated: 5 May 2022.
• Excitation E + H2 → E + H2(D'1Pu) (E = 14.6 eV, complete set) | [e + H2(X) -> e + H2(D'1Pu), Excitation] Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617 (multiplied by 1-0.579). Updated: 5 May 2022.
• Excitation E + H2 → E + H(1S)+H(2P) (E = 14.68 eV, complete set) | [e + H2(X) -> e + H(1S) + H(2P), Excitation] Lavrov B P 1977 Opt. Spectrosc. 42 250; Fujimoto T et al 1989 J. Appl. Phys. 66 2315; Sawada K et al 1993 J. Appl. Phys. 73 8122. Updated: 19 July 2022.
• Excitation E + H2 → E + H(1S)+H(2S) (E = 14.68 eV, complete set) | [e + H2(X) -> e + H(1S) + H(2S), Excitation] Lavrov B P 1977 Opt. Spectrosc. 42 250; Fujimoto T et al 1989 J. Appl. Phys. 66 2315; Sawada K et al 1993 J. Appl. Phys. 73 8122. Updated: 19 July 2022.
• Excitation E + H2 → E + H(1S)+H(3) (E = 16.57 eV, complete set) | [e + H2(X) -> e + H(1S) + H(3), Excitation] Lavrov B P 1977 Opt. Spectrosc. 42 250; Fujimoto T et al 1989 J. Appl. Phys. 66 2315; Sawada K et al 1993 J. Appl. Phys. 73 8122. Updated: 19 July 2022.
• Excitation E + H2 → E + H(1S)+H(4) (E = 17.22 eV, complete set) | [e + H2(X) -> e + H(1S) + H(4), Excitation] Lavrov B P 1977 Opt. Spectrosc. 42 250; Fujimoto T et al 1989 J. Appl. Phys. 66 2315; Sawada K et al 1993 J. Appl. Phys. 73 8122. Updated: 19 July 2022.
• Excitation E + H2 → E + H(1S)+H(5) (E = 17.53 eV, complete set) | [e + H2(X) -> e + H(1S) + H(5), Excitation] Lavrov B P 1977 Opt. Spectrosc. 42 250; Fujimoto T et al 1989 J. Appl. Phys. 66 2315; Sawada K et al 1993 J. Appl. Phys. 73 8122. Updated: 19 July 2022.
• Ionization E + H2 → E + E + H2+ (E = 15.4 eV, complete set) | [e + H2(X) -> e + e + H2(+,X), Ionization] Rapp D et al 1965 J. Chem. Phys. 42 4081; Rapp D and Englander-Golden P 1965 J. Chem. Phys. 43 1464; Gorse C et al 1987 Chem. Phys. 117 177; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617; Simko T et al 1997 Phys. Rev. E 56 5908; Straub H C et al 1996 Phys. Rev. A 54 2146 (for branching ratio H2+/H+). Updated: 21 July 2022.
• Ionization E + H2 → E + E + H + H+ (H2(X) -> H(1S) + H+) (E = 19 eV, complete set) | [e + H2(X) -> e + e + H(+,gnd) + H(1S), Ionization] Rapp D et al 1965 J. Chem. Phys. 42 4081; Rapp D and Englander-Golden P 1965 J. Chem. Phys. 43 1464; Gorse C et al 1987 Chem. Phys. 117 177; Tawara H et al 1990 J. Phys. Chem. Ref. Data 19 617; Simko T et al 1997 Phys. Rev. E 56 5908; Straub H C et al 1996 Phys. Rev. A 54 2146 (for branching ratio H2+/H+). Updated: 21 July 2022.