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A study of the a sub 0 (980) meson in radiative J/. Psi. decays

Abstract

Using the decay sequence J/{Psi} {yields} {gamma}X, X {yields} {alpha}{sup {+-}}{sub 0}(980) {pi}{sup -+}, a{sup {+-}}{sub 0}(980 ) {yields} {eta}{pi}{sup {+-}}, where X is the f{sub 1}(1285) or {eta}(1400), the {eta}{pi}{sup +} vs. {eta}{pi}{sup -} Dalitz plot intensity distributions are fitted with a model containing a coupled-channel parametrization of the a{sub 0}(980). Preliminary values for the spin of X, the mass and width of the a{sup {+-}}{sub 0}(980) to {eta}{pi}{sup {+-}}, and the ratio of a{sup +}{sub 0}(980) coupling strengths, {delta}{sup 2}{sub K} / {delta}{sup 2}{sub {eta}}, to anti K{sup 0}K{sup +} and {eta}{pi}{sup +} are determined. From this model, the predictions for the ratios of branching ratios r{sub X} = B(X {yields} a{sub 0}(980){pi}).B(a{sub 0}(980) {yields} Kanti K) / B(X {yields} a{sup {+-}}{sub 0}(980){pi}).B(a{sup {+-}}{sub 0}(980) {yields} {eta}{pi}{sup {+-}}) are compared with those obtained from MARK III Partial Waves analyses of the decays J/{Psi}{yields}{gamma}K{sup 0}{sub s}K{sup {+-}}{pi}{sup -+} and J/{Psi} {yields} {gamma}{eta}{pi}{sup +}{pi}{sup -}. (orig.).
Publication Date:
Jun 01, 1991
Product Type:
Conference
Report Number:
CONF-9009309-
Reference Number:
AIX-23-003288; EDB-92-008458
Resource Relation:
Journal Name: Nuclear Physics B, Proceedings Supplements; (Netherlands); Journal Volume: 21; Conference: Rheinfels workshop on hadron mass spectrum, St. Goar (Germany), 3-6 Sep 1990
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ETA-1440 MESONS; HADRONIC PARTICLE DECAY; REST MASS; SPIN; F1-1285 MESONS; J PSI-3097 MESONS; RADIATIVE DECAY; A0-980 MESONS; BRANCHING RATIO; COUPLED CHANNEL THEORY; COUPLING CONSTANTS; DALITZ PLOT; E1-TRANSITIONS; M1-TRANSITIONS; PARTICLE WIDTHS; THEORETICAL DATA; ANGULAR MOMENTUM; AXIAL VECTOR MESONS; BOSONS; CHARMONIUM; DATA; DECAY; DIAGRAMS; ELEMENTARY PARTICLES; ENERGY-LEVEL TRANSITIONS; HADRONS; INFORMATION; MASS; MESONS; MULTIPOLE TRANSITIONS; NUMERICAL DATA; PARTICLE DECAY; PARTICLE PROPERTIES; PSEUDOSCALAR MESONS; QUARKONIUM; SCALAR MESONS; SCATTERPLOTS; VECTOR MESONS; 662420* - Properties of Mesons & Meson Resonances- (1992-)
OSTI ID:
6034716
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NPBSE
Submitting Site:
NLN
Size:
Pages: 55-60
Announcement Date:
May 13, 2001

Citation Formats

Lockman, W S, Bai, Z, Blaylock, G T, Bolton, T, Brient, J C, Browder, T, Brown, J S, Bunnell, K O, Burchell, M, Burnett, T H, Cassell, R E, Coffman, D, Cook, V, Coward, D H, DeJongh, F, Dorfan, D E, Drinkard, J, Dubois, G P, Eigen, G, Einsweiler, K F, Eisenstein, B I, Freese, T, Gatto, C, Gladding, G, Crab, C, Hauser, J, Heusch, C A, Hitlin, D G, Izen, J M, Kim, P C, Labs, J, Li, A, Lockman, W S, Mallik, U, Matthews, C G, Mincer, A I, Mir, R, Mockett, P M, Nemati, B, Odian, A, Parrish, L, Partridge, R, Pitman, D, Plaetzer, S A, Richman, J D, Sadrozinski, H F.W., Scarlatella, M, Schalk, T L, Schindler, R H, Seiden, A, Simopoulos, C, Stockdale, I E, Toki, W, Tripsas, B, Villa, F, Wang, M, Wasserbaech, S, Weinstein, A J, Weseler, S, Willutzki, H J, Wisinski, D, Wisniewski, W J, Xu, R, Zhu, Y, and MARK III Collaboration. A study of the a sub 0 (980) meson in radiative J/. Psi. decays. Netherlands: N. p., 1991. Web.
Lockman, W S, Bai, Z, Blaylock, G T, Bolton, T, Brient, J C, Browder, T, Brown, J S, Bunnell, K O, Burchell, M, Burnett, T H, Cassell, R E, Coffman, D, Cook, V, Coward, D H, DeJongh, F, Dorfan, D E, Drinkard, J, Dubois, G P, Eigen, G, Einsweiler, K F, Eisenstein, B I, Freese, T, Gatto, C, Gladding, G, Crab, C, Hauser, J, Heusch, C A, Hitlin, D G, Izen, J M, Kim, P C, Labs, J, Li, A, Lockman, W S, Mallik, U, Matthews, C G, Mincer, A I, Mir, R, Mockett, P M, Nemati, B, Odian, A, Parrish, L, Partridge, R, Pitman, D, Plaetzer, S A, Richman, J D, Sadrozinski, H F.W., Scarlatella, M, Schalk, T L, Schindler, R H, Seiden, A, Simopoulos, C, Stockdale, I E, Toki, W, Tripsas, B, Villa, F, Wang, M, Wasserbaech, S, Weinstein, A J, Weseler, S, Willutzki, H J, Wisinski, D, Wisniewski, W J, Xu, R, Zhu, Y, & MARK III Collaboration. A study of the a sub 0 (980) meson in radiative J/. Psi. decays. Netherlands.
Lockman, W S, Bai, Z, Blaylock, G T, Bolton, T, Brient, J C, Browder, T, Brown, J S, Bunnell, K O, Burchell, M, Burnett, T H, Cassell, R E, Coffman, D, Cook, V, Coward, D H, DeJongh, F, Dorfan, D E, Drinkard, J, Dubois, G P, Eigen, G, Einsweiler, K F, Eisenstein, B I, Freese, T, Gatto, C, Gladding, G, Crab, C, Hauser, J, Heusch, C A, Hitlin, D G, Izen, J M, Kim, P C, Labs, J, Li, A, Lockman, W S, Mallik, U, Matthews, C G, Mincer, A I, Mir, R, Mockett, P M, Nemati, B, Odian, A, Parrish, L, Partridge, R, Pitman, D, Plaetzer, S A, Richman, J D, Sadrozinski, H F.W., Scarlatella, M, Schalk, T L, Schindler, R H, Seiden, A, Simopoulos, C, Stockdale, I E, Toki, W, Tripsas, B, Villa, F, Wang, M, Wasserbaech, S, Weinstein, A J, Weseler, S, Willutzki, H J, Wisinski, D, Wisniewski, W J, Xu, R, Zhu, Y, and MARK III Collaboration. 1991. "A study of the a sub 0 (980) meson in radiative J/. Psi. decays." Netherlands.
@misc{etde_6034716,
title = {A study of the a sub 0 (980) meson in radiative J/. Psi. decays}
author = {Lockman, W S, Bai, Z, Blaylock, G T, Bolton, T, Brient, J C, Browder, T, Brown, J S, Bunnell, K O, Burchell, M, Burnett, T H, Cassell, R E, Coffman, D, Cook, V, Coward, D H, DeJongh, F, Dorfan, D E, Drinkard, J, Dubois, G P, Eigen, G, Einsweiler, K F, Eisenstein, B I, Freese, T, Gatto, C, Gladding, G, Crab, C, Hauser, J, Heusch, C A, Hitlin, D G, Izen, J M, Kim, P C, Labs, J, Li, A, Lockman, W S, Mallik, U, Matthews, C G, Mincer, A I, Mir, R, Mockett, P M, Nemati, B, Odian, A, Parrish, L, Partridge, R, Pitman, D, Plaetzer, S A, Richman, J D, Sadrozinski, H F.W., Scarlatella, M, Schalk, T L, Schindler, R H, Seiden, A, Simopoulos, C, Stockdale, I E, Toki, W, Tripsas, B, Villa, F, Wang, M, Wasserbaech, S, Weinstein, A J, Weseler, S, Willutzki, H J, Wisinski, D, Wisniewski, W J, Xu, R, Zhu, Y, and MARK III Collaboration}
abstractNote = {Using the decay sequence J/{Psi} {yields} {gamma}X, X {yields} {alpha}{sup {+-}}{sub 0}(980) {pi}{sup -+}, a{sup {+-}}{sub 0}(980 ) {yields} {eta}{pi}{sup {+-}}, where X is the f{sub 1}(1285) or {eta}(1400), the {eta}{pi}{sup +} vs. {eta}{pi}{sup -} Dalitz plot intensity distributions are fitted with a model containing a coupled-channel parametrization of the a{sub 0}(980). Preliminary values for the spin of X, the mass and width of the a{sup {+-}}{sub 0}(980) to {eta}{pi}{sup {+-}}, and the ratio of a{sup +}{sub 0}(980) coupling strengths, {delta}{sup 2}{sub K} / {delta}{sup 2}{sub {eta}}, to anti K{sup 0}K{sup +} and {eta}{pi}{sup +} are determined. From this model, the predictions for the ratios of branching ratios r{sub X} = B(X {yields} a{sub 0}(980){pi}).B(a{sub 0}(980) {yields} Kanti K) / B(X {yields} a{sup {+-}}{sub 0}(980){pi}).B(a{sup {+-}}{sub 0}(980) {yields} {eta}{pi}{sup {+-}}) are compared with those obtained from MARK III Partial Waves analyses of the decays J/{Psi}{yields}{gamma}K{sup 0}{sub s}K{sup {+-}}{pi}{sup -+} and J/{Psi} {yields} {gamma}{eta}{pi}{sup +}{pi}{sup -}. (orig.).}
journal = []
volume = {21}
place = {Netherlands}
year = {1991}
month = {Jun}
}