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Ablikim M, Achasov MN, Ahmed S, et al. Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}. Phys Rev Lett. 2019;123(11):112001doi: 10.1103/PhysRevLett.123.112001.
Ablikim, M., Achasov, M. N., Ahmed, S., Albrecht, M., Alekseev, M., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Bai, Y., Bakina, O., Baldini Ferroli, R., Ban, Y., Begzsuren, K., Bennett, J. V., Berger, N., Bertani, M., Bettoni, D., Bianchi, F., Boger, E., Boyko, I., Briere, R. A., Cai, H., Cai, X., Calcaterra, A., Cao, G. F., Cao, N., Cetin, S. A., Chai, J., Chang, J. F., Chelkov, G., Chen, G., Chen, H. S., Chen, J. C., Chen, M. L., Chen, S. J., Chen, X. R., Chen, Y. B., Cheng, W., Chu, X. K., Cibinetto, G., Cossio, F., Cui, X. F., Dai, H. L., Dai, J. P., Dbeyssi, A., Dedovich, D., Deng, Z. Y., Denig, A., Denysenko, I., Destefanis, M., De Mori, F., Ding, Y., Dong, C., Dong, J., Dong, L. Y., Dong, M. Y., Du, S. X., Fang, J., Fang, S. S., Fang, Y., Farinelli, R., Fava, L., Feldbauer, F., Felici, G., Feng, C. Q., Fritsch, M., Fu, C. D., Gao, Q., Gao, X. L., Gao, Y., Gao, Y., Gao, Y. G., Gao, Z., Garillon, B., Garzia, I., Gilman, A., Goetzen, K., Gong, L., Gong, W. X., Gradl, W., Greco, M., Gu, M. H., Gu, Y. T., Guo, A. Q., Guo, R. P., Guo, Y. P., Guskov, A., Han, S., Hao, X. Q., Harris, F. A., He, K. L., He, X. Q., Heinsius, F. H., Held, T., Heng, Y. K., Hou, Y. R., Hou, Z. L., Hu, H. M., Hu, J. F., Hu, T., Hu, Y., Huang, G. S., Huang, J. S., Huang, X. T., Huang, Z. L., Hussain, T., Ikegami Andersson, W., Imoehl, W., Irshad, M., Ji, Q., Ji, Q. P., Ji, X. B., Ji, X. L., Jiang, X. S., Jiang, X. Y., Jiao, J. B., Jiao, Z., Jin, D. P., Jin, S., Jin, Y., Johansson, T., Kalantar-Nayestanaki, N., Kang, X. S., Kappert, R., Kavatsyuk, M., Ke, B. C., Keshk, I. K., Khan, T., Khoukaz, A., Kiese, P., Kiuchi, R., Kliemt, R., Koch, L., Kolcu, O. B., Kopf, B., Kuemmel, M., Kuessner, M., Kupsc, A., Kurth, M., Kurth, M. G., Kühn, W., Lange, J. S., Larin, P., Lavezzi, L., Leithoff, H., Li, C., Li, C., Li, D. M., Li, F., Li, F. Y., Li, G., Li, H. B., Li, H. J., Li, J. C., Li, J. W., Li, J., Li, K. J., Li, K., Li, K., Li, L. K., Li, L., Li, P. L., Li, P. R., Li, Q. Y., Li, W. D., Li, W. G., Li, X. L., Li, X. N., Li, X. Q., Li, Z. B., Liang, H., Liang, H., Liang, Y. F., Liang, Y. T., Liao, G. R., Liao, L. Z., Libby, J., Lin, C. X., Lin, D. X., Liu, B., Liu, B. J., Liu, C. X., Liu, D., Liu, D. Y., Liu, F. H., Liu, F., Liu, F., Liu, H. B., Liu, H. M., Liu, H., Liu, H., Liu, J. B., Liu, J. Y., Liu, K. Y., Liu, K., Liu, L. D., Liu, Q., Liu, S. B., Liu, X., Liu, X. Y., Liu, Y. B., Liu, Z. A., Liu, Z., Long, Y. F., Lou, X. C., Lu, H. J., Lu, J. G., Lu, Y., Lu, Y. P., Luo, C. L., Luo, M. X., Luo, T., Luo, X. L., Lusso, S., Lyu, X. R., Ma, F. C., Ma, H. L., Ma, L. L., Ma, M. M., Ma, Q. M., Ma, T., Ma, X. N., Ma, X. Y., Ma, Y. M., Maas, F. E., Maggiora, M., Maldaner, S., Malik, Q. A., Mangoni, A., Mao, Y. J., Mao, Z. P., Marcello, S., Meng, Z. X., Messchendorp, J. G., Mezzadri, G., Min, J., Mitchell, R. E., Mo, X. H., Mo, Y. J., Morales Morales, C., Muchnoi, N. Y., Muramatsu, H., Mustafa, A., Nefedov, Y., Nerling, F., Nikolaev, I. B., Ning, Z., Nisar, S., Niu, S. L., Niu, X. Y., Olsen, S. L., Ouyang, Q., Pacetti, S., Pan, Y., Papenbrock, M., Patteri, P., Pelizaeus, M., Pellegrino, J., Peng, H. P., Peters, K., Pettersson, J., Ping, J. L., Ping, R. G., Pitka, A., Poling, R., Prasad, V., Qi, M., Qi, T. Y., Qian, S., Qiao, C. F., Qin, N., Qin, X. S., Qin, Z. H., Qiu, J. F., Qu, S. Q., Rashid, K. H., Redmer, C. F., Richter, M., Ripka, M., Rivetti, A., Rodin, V., Rolo, M., Rong, G., Rosner, C., Sarantsev, A., Savrié, M., Schoenning, K., Shan, W., Shan, X. Y., Shao, M., Shen, C. P., Shen, P. X., Shen, X. Y., Sheng, H. Y., Shi, X., Song, J. J., Song, X. Y., Sosio, S., Sowa, C., Spataro, S., Sun, G. X., Sun, J. F., Sun, L., Sun, S. S., Sun, X. H., Sun, Y. J., Sun, Y. K., Sun, Y. Z., Sun, Z. J., Sun, Z. T., Tan, Y. T., Tang, C. J., Tang, G. Y., Tang, X., Tsednee, B., Uman, I., Wang, B., Wang, D., Wang, D. Y., Wang, K., Wang, L. L., Wang, L. S., Wang, M., Wang, M., Wang, P., Wang, P. L., Wang, W. P., Wang, X. L., Wang, Y., Wang, Y. F., Wang, Z., Wang, Z. G., Wang, Z. Y., Wang, Z., Weber, T., Wei, D. H., Weidenkaff, P., Wen, S. P., Wiedner, U., Wolke, M., Wu, L. H., Wu, L. J., Wu, Z., Xia, L., Xia, Y., Xiao, S. Y., Xiao, Y. J., Xiao, Z. J., Xie, Y. G., Xie, Y. H., Xiong, X. A., Xiu, Q. L., Xu, G. F., Xu, J. J., Xu, L., Xu, Q. J., Xu, X. P., Yan, F., Yan, L., Yan, W. B., Yan, W. C., Yan, Y. H., Yang, H. J., Yang, H. X., Yang, L., Yang, R. X., Yang, Y. H., Yang, Y. X., Yang, Y., Yang, Z. Q., Ye, M., Ye, M. H., Yin, J. H., You, Z. Y., Yu, B. X., Yu, C. X., Yu, J. S., Yu, J. S., Yuan, C. Z., Yuan, Y., Yuncu, A., Zafar, A. A., Zeng, Y., Zhang, B. X., Zhang, B. Y., Zhang, C. C., Zhang, D. H., Zhang, H. H., Zhang, H. Y., Zhang, J., Zhang, J. L., Zhang, J. Q., Zhang, J. W., Zhang, J. Y., Zhang, J. Z., Zhang, K., Zhang, L., Zhang, T. J., Zhang, X. Y., Zhang, Y., Zhang, Y. H., Zhang, Y. T., Zhang, Y., Zhang, Y., Zhang, Y., Zhang, Z. H., Zhang, Z. P., Zhang, Z. Y., Zhao, G., Zhao, J. W., Zhao, J. Y., Zhao, J. Z., Zhao, L., Zhao, L., Zhao, M. G., Zhao, Q., Zhao, S. J., Zhao, T. C., Zhao, Y. B., Zhao, Z. G., Zhemchugov, A., Zheng, B., Zheng, J. P., Zheng, Y. H., Zhong, B., Zhou, L., Zhou, Q., Zhou, X., Zhou, X. K., Zhou, X. R., Zhou, X., Zhou, X., Zhu, A. N., Zhu, J., Zhu, J., Zhu, K., Zhu, K. J., Zhu, S. H., Zhu, W. J., Zhu, X. L., Zhu, Y. C., Zhu, Y. S., Zhu, Z. A., Zhuang, J., Zou, B. S., Zou, J. H. (2019). Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}. Physical review letters, 123(11), 112001. https://doi.org/10.1103/PhysRevLett.123.112001
Ablikim, M, et al. "Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}." Physical review letters vol. 123,11 (2019): 112001. doi: https://doi.org/10.1103/PhysRevLett.123.112001
Ablikim M, Achasov MN, Ahmed S, Albrecht M, Alekseev M, Amoroso A, An FF, An Q, Bai JZ, Bai Y, Bakina O, Baldini Ferroli R, Ban Y, Begzsuren K, Bennett JV, Berger N, Bertani M, Bettoni D, Bianchi F, Boger E, Boyko I, Briere RA, Cai H, Cai X, Calcaterra A, Cao GF, Cao N, Cetin SA, Chai J, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen ML, Chen SJ, Chen XR, Chen YB, Cheng W, Chu XK, Cibinetto G, Cossio F, Cui XF, Dai HL, Dai JP, Dbeyssi A, Dedovich D, Deng ZY, Denig A, Denysenko I, Destefanis M, De Mori F, Ding Y, Dong C, Dong J, Dong LY, Dong MY, Du SX, Fang J, Fang SS, Fang Y, Farinelli R, Fava L, Feldbauer F, Felici G, Feng CQ, Fritsch M, Fu CD, Gao Q, Gao XL, Gao Y, Gao Y, Gao YG, Gao Z, Garillon B, Garzia I, Gilman A, Goetzen K, Gong L, Gong WX, Gradl W, Greco M, Gu MH, Gu YT, Guo AQ, Guo RP, Guo YP, Guskov A, Han S, Hao XQ, Harris FA, He KL, He XQ, Heinsius FH, Held T, Heng YK, Hou YR, Hou ZL, Hu HM, Hu JF, Hu T, Hu Y, Huang GS, Huang JS, Huang XT, Huang ZL, Hussain T, Ikegami Andersson W, Imoehl W, Irshad M, Ji Q, Ji QP, Ji XB, Ji XL, Jiang XS, Jiang XY, Jiao JB, Jiao Z, Jin DP, Jin S, Jin Y, Johansson T, Kalantar-Nayestanaki N, Kang XS, Kappert R, Kavatsyuk M, Ke BC, Keshk IK, Khan T, Khoukaz A, Kiese P, Kiuchi R, Kliemt R, Koch L, Kolcu OB, Kopf B, Kuemmel M, Kuessner M, Kupsc A, Kurth M, Kurth MG, Kühn W, Lange JS, Larin P, Lavezzi L, Leithoff H, Li C, Li C, Li DM, Li F, Li FY, Li G, Li HB, Li HJ, Li JC, Li JW, Li J, Li KJ, Li K, Li K, Li LK, Li L, Li PL, Li PR, Li QY, Li WD, Li WG, Li XL, Li XN, Li XQ, Li ZB, Liang H, Liang H, Liang YF, Liang YT, Liao GR, Liao LZ, Libby J, Lin CX, Lin DX, Liu B, Liu BJ, Liu CX, Liu D, Liu DY, Liu FH, Liu F, Liu F, Liu HB, Liu HM, Liu H, Liu H, Liu JB, Liu JY, Liu KY, Liu K, Liu LD, Liu Q, Liu SB, Liu X, Liu XY, Liu YB, Liu ZA, Liu Z, Long YF, Lou XC, Lu HJ, Lu JG, Lu Y, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Lusso S, Lyu XR, Ma FC, Ma HL, Ma LL, Ma MM, Ma QM, Ma T, Ma XN, Ma XY, Ma YM, Maas FE, Maggiora M, Maldaner S, Malik QA, Mangoni A, Mao YJ, Mao ZP, Marcello S, Meng ZX, Messchendorp JG, Mezzadri G, Min J, Mitchell RE, Mo XH, Mo YJ, Morales Morales C, Muchnoi NY, Muramatsu H, Mustafa A, Nefedov Y, Nerling F, Nikolaev IB, Ning Z, Nisar S, Niu SL, Niu XY, Olsen SL, Ouyang Q, Pacetti S, Pan Y, Papenbrock M, Patteri P, Pelizaeus M, Pellegrino J, Peng HP, Peters K, Pettersson J, Ping JL, Ping RG, Pitka A, Poling R, Prasad V, Qi M, Qi TY, Qian S, Qiao CF, Qin N, Qin XS, Qin ZH, Qiu JF, Qu SQ, Rashid KH, Redmer CF, Richter M, Ripka M, Rivetti A, Rodin V, Rolo M, Rong G, Rosner C, Sarantsev A, Savrié M, Schoenning K, Shan W, Shan XY, Shao M, Shen CP, Shen PX, Shen XY, Sheng HY, Shi X, Song JJ, Song XY, Sosio S, Sowa C, Spataro S, Sun GX, Sun JF, Sun L, Sun SS, Sun XH, Sun YJ, Sun YK, Sun YZ, Sun ZJ, Sun ZT, Tan YT, Tang CJ, Tang GY, Tang X, Tsednee B, Uman I, Wang B, Wang D, Wang DY, Wang K, Wang LL, Wang LS, Wang M, Wang M, Wang P, Wang PL, Wang WP, Wang XL, Wang Y, Wang YF, Wang Z, Wang ZG, Wang ZY, Wang Z, Weber T, Wei DH, Weidenkaff P, Wen SP, Wiedner U, Wolke M, Wu LH, Wu LJ, Wu Z, Xia L, Xia Y, Xiao SY, Xiao YJ, Xiao ZJ, Xie YG, Xie YH, Xiong XA, Xiu QL, Xu GF, Xu JJ, Xu L, Xu QJ, Xu XP, Yan F, Yan L, Yan WB, Yan WC, Yan YH, Yang HJ, Yang HX, Yang L, Yang RX, Yang YH, Yang YX, Yang Y, Yang ZQ, Ye M, Ye MH, Yin JH, You ZY, Yu BX, Yu CX, Yu JS, Yu JS, Yuan CZ, Yuan Y, Yuncu A, Zafar AA, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang J, Zhang JL, Zhang JQ, Zhang JW, Zhang JY, Zhang JZ, Zhang K, Zhang L, Zhang TJ, Zhang XY, Zhang Y, Zhang YH, Zhang YT, Zhang Y, Zhang Y, Zhang Y, Zhang ZH, Zhang ZP, Zhang ZY, Zhao G, Zhao JW, Zhao JY, Zhao JZ, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao YB, Zhao ZG, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zhong B, Zhou L, Zhou Q, Zhou X, Zhou XK, Zhou XR, Zhou X, Zhou X, Zhu AN, Zhu J, Zhu J, Zhu K, Zhu KJ, Zhu SH, Zhu WJ, Zhu XL, Zhu YC, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH. Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}. Phys Rev Lett. 2019 Sep 13;123(11):112001. doi: 10.1103/PhysRevLett.123.112001. PMID: 31573268.
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Phys Rev Lett. 2019 Sep 13;123(11):112001. doi: 10.1103/PhysRevLett.123.112001.

Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}.

Physical review letters

M Ablikim, M N Achasov, S Ahmed, M Albrecht, M Alekseev, A Amoroso, F F An, Q An, J Z Bai, Y Bai, O Bakina, R Baldini Ferroli, Y Ban, K Begzsuren, J V Bennett, N Berger, M Bertani, D Bettoni, F Bianchi, E Boger, I Boyko, R A Briere, H Cai, X Cai, A Calcaterra, G F Cao, N Cao, S A Cetin, J Chai, J F Chang, G Chelkov, G Chen, H S Chen, J C Chen, M L Chen, S J Chen, X R Chen, Y B Chen, W Cheng, X K Chu, G Cibinetto, F Cossio, X F Cui, H L Dai, J P Dai, A Dbeyssi, D Dedovich, Z Y Deng, A Denig, I Denysenko, M Destefanis, F De Mori, Y Ding, C Dong, J Dong, L Y Dong, M Y Dong, S X Du, J Fang, S S Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, C Q Feng, M Fritsch, C D Fu, Q Gao, X L Gao, Y Gao, Y Gao, Y G Gao, Z Gao, B Garillon, I Garzia, A Gilman, K Goetzen, L Gong, W X Gong, W Gradl, M Greco, M H Gu, Y T Gu, A Q Guo, R P Guo, Y P Guo, A Guskov, S Han, X Q Hao, F A Harris, K L He, X Q He, F H Heinsius, T Held, Y K Heng, Y R Hou, Z L Hou, H M Hu, J F Hu, T Hu, Y Hu, G S Huang, J S Huang, X T Huang, Z L Huang, T Hussain, W Ikegami Andersson, W Imoehl, M Irshad, Q Ji, Q P Ji, X B Ji, X L Ji, X S Jiang, X Y Jiang, J B Jiao, Z Jiao, D P Jin, S Jin, Y Jin, T Johansson, N Kalantar-Nayestanaki, X S Kang, R Kappert, M Kavatsyuk, B C Ke, I K Keshk, T Khan, A Khoukaz, P Kiese, R Kiuchi, R Kliemt, L Koch, O B Kolcu, B Kopf, M Kuemmel, M Kuessner, A Kupsc, M Kurth, M G Kurth, W Kühn, J S Lange, P Larin, L Lavezzi, H Leithoff, C Li, Cheng Li, D M Li, F Li, F Y Li, G Li, H B Li, H J Li, J C Li, J W Li, Jin Li, K J Li, Kang Li, Ke Li, L K Li, Lei Li, P L Li, P R Li, Q Y Li, W D Li, W G Li, X L Li, X N Li, X Q Li, Z B Li, H Liang, H Liang, Y F Liang, Y T Liang, G R Liao, L Z Liao, J Libby, C X Lin, D X Lin, B Liu, B J Liu, C X Liu, D Liu, D Y Liu, F H Liu, Fang Liu, Feng Liu, H B Liu, H M Liu, Huanhuan Liu, Huihui Liu, J B Liu, J Y Liu, K Y Liu, Ke Liu, L D Liu, Q Liu, S B Liu, X Liu, X Y Liu, Y B Liu, Z A Liu, Zhiqing Liu, Y F Long, X C Lou, H J Lu, J G Lu, Y Lu, Y P Lu, C L Luo, M X Luo, T Luo, X L Luo, S Lusso, X R Lyu, F C Ma, H L Ma, L L Ma, M M Ma, Q M Ma, T Ma, X N Ma, X Y Ma, Y M Ma, F E Maas, M Maggiora, S Maldaner, Q A Malik, A Mangoni, Y J Mao, Z P Mao, S Marcello, Z X Meng, J G Messchendorp, G Mezzadri, J Min, R E Mitchell, X H Mo, Y J Mo, C Morales Morales, N Yu Muchnoi, H Muramatsu, A Mustafa, Y Nefedov, F Nerling, I B Nikolaev, Z Ning, S Nisar, S L Niu, X Y Niu, S L Olsen, Q Ouyang, S Pacetti, Y Pan, M Papenbrock, P Patteri, M Pelizaeus, J Pellegrino, H P Peng, K Peters, J Pettersson, J L Ping, R G Ping, A Pitka, R Poling, V Prasad, M Qi, T Y Qi, S Qian, C F Qiao, N Qin, X S Qin, Z H Qin, J F Qiu, S Q Qu, K H Rashid, C F Redmer, M Richter, M Ripka, A Rivetti, V Rodin, M Rolo, G Rong, Ch Rosner, A Sarantsev, M Savrié, K Schoenning, W Shan, X Y Shan, M Shao, C P Shen, P X Shen, X Y Shen, H Y Sheng, X Shi, J J Song, X Y Song, S Sosio, C Sowa, S Spataro, G X Sun, J F Sun, L Sun, S S Sun, X H Sun, Y J Sun, Y K Sun, Y Z Sun, Z J Sun, Z T Sun, Y T Tan, C J Tang, G Y Tang, X Tang, B Tsednee, I Uman, B Wang, D Wang, D Y Wang, K Wang, L L Wang, L S Wang, M Wang, Meng Wang, P Wang, P L Wang, W P Wang, X L Wang, Y Wang, Y F Wang, Z Wang, Z G Wang, Z Y Wang, Zongyuan Wang, T Weber, D H Wei, P Weidenkaff, S P Wen, U Wiedner, M Wolke, L H Wu, L J Wu, Z Wu, L Xia, Y Xia, S Y Xiao, Y J Xiao, Z J Xiao, Y G Xie, Y H Xie, X A Xiong, Q L Xiu, G F Xu, J J Xu, L Xu, Q J Xu, X P Xu, F Yan, L Yan, W B Yan, W C Yan, Y H Yan, H J Yang, H X Yang, L Yang, R X Yang, Y H Yang, Y X Yang, Yifan Yang, Z Q Yang, M Ye, M H Ye, J H Yin, Z Y You, B X Yu, C X Yu, J S Yu, J S Yu, C Z Yuan, Y Yuan, A Yuncu, A A Zafar, Y Zeng, B X Zhang, B Y Zhang, C C Zhang, D H Zhang, H H Zhang, H Y Zhang, J Zhang, J L Zhang, J Q Zhang, J W Zhang, J Y Zhang, J Z Zhang, K Zhang, L Zhang, T J Zhang, X Y Zhang, Y Zhang, Y H Zhang, Y T Zhang, Yang Zhang, Yao Zhang, Yi Zhang, Z H Zhang, Z P Zhang, Z Y Zhang, G Zhao, J W Zhao, J Y Zhao, J Z Zhao, Lei Zhao, Ling Zhao, M G Zhao, Q Zhao, S J Zhao, T C Zhao, Y B Zhao, Z G Zhao, A Zhemchugov, B Zheng, J P Zheng, Y H Zheng, B Zhong, L Zhou, Q Zhou, X Zhou, X K Zhou, X R Zhou, Xiaoyu Zhou, Xu Zhou, A N Zhu, J Zhu, J Zhu, K Zhu, K J Zhu, S H Zhu, W J Zhu, X L Zhu, Y C Zhu, Y S Zhu, Z A Zhu, J Zhuang, B S Zou, J H Zou,

Affiliations

  1. Institute of High Energy Physics, Beijing 100049, People's Republic of China.
  2. G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
  3. Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
  4. Bochum Ruhr-University, D-44780 Bochum, Germany.
  5. University of Turin, I-10125 Turin, Italy.
  6. INFN, I-10125 Turin, Italy.
  7. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
  8. University of Science and Technology of China, Hefei 230026, People's Republic of China.
  9. Southeast University, Nanjing 211100, People's Republic of China.
  10. Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.
  11. INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy.
  12. Peking University, Beijing 100871, People's Republic of China.
  13. Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
  14. Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
  15. Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
  16. INFN Sezione di Ferrara, I-44122, Ferrara, Italy.
  17. Wuhan University, Wuhan 430072, People's Republic of China.
  18. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
  19. Istanbul Bilgi University, 34060 Eyup, Istanbul, Turkey.
  20. Nanjing University, Nanjing 210093, People's Republic of China.
  21. Lanzhou University, Lanzhou 730000, People's Republic of China.
  22. Nankai University, Tianjin 300071, People's Republic of China.
  23. Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
  24. Liaoning University, Shenyang 110036, People's Republic of China.
  25. Zhengzhou University, Zhengzhou 450001, People's Republic of China.
  26. University of Ferrara, I-44122, Ferrara, Italy.
  27. University of Eastern Piedmont, I-15121 Alessandria, Italy.
  28. Tsinghua University, Beijing 100084, People's Republic of China.
  29. University of South China, Hengyang 421001, People's Republic of China.
  30. Central China Normal University, Wuhan 430079, People's Republic of China.
  31. University of Minnesota, Minneapolis, Minnesota 55455, USA.
  32. GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
  33. Guangxi University, Nanning 530004, People's Republic of China.
  34. Henan Normal University, Xinxiang 453007, People's Republic of China.
  35. University of Hawaii, Honolulu, Hawaii 96822, USA.
  36. University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.
  37. Shandong University, Jinan 250100, People's Republic of China.
  38. University of the Punjab, Lahore-54590, Pakistan.
  39. Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
  40. Indiana University, Bloomington, Indiana 47405, USA.
  41. Huangshan College, Huangshan 245000, People's Republic of China.
  42. University of Jinan, Jinan 250022, People's Republic of China.
  43. KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.
  44. University of Muenster, Wilhelm-Klemm-Str. 9, 48149 Muenster, Germany.
  45. Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
  46. Soochow University, Suzhou 215006, People's Republic of China.
  47. Seoul National University, Seoul, 151-747 Korea.
  48. Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
  49. Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
  50. Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
  51. China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
  52. Sichuan University, Chengdu 610064, People's Republic of China.
  53. Guangxi Normal University, Guilin 541004, People's Republic of China.
  54. Indian Institute of Technology Madras, Chennai 600036, India.
  55. Shanxi University, Taiyuan 030006, People's Republic of China.
  56. Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
  57. Nanjing Normal University, Nanjing 210023, People's Republic of China.
  58. Zhejiang University, Hangzhou 310027, People's Republic of China.
  59. Fudan University, Shanghai 200443, People's Republic of China.
  60. INFN and University of Perugia, I-06100, Perugia, Italy.
  61. COMSATS Institute of Information Technology, Lahore, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
  62. Beihang University, Beijing 100191, People's Republic of China.
  63. Hunan Normal University, Changsha 410081, People's Republic of China.
  64. Near East University, Nicosia, North Cyprus, Mersin 10, Turkey.
  65. Hunan University, Changsha 410082, People's Republic of China.
  66. Xinyang Normal University, Xinyang 464000, People's Republic of China.

PMID: 31573268 DOI: 10.1103/PhysRevLett.123.112001

Abstract

We present the first amplitude analysis of the decay D_{s}^{+}→π^{+}π^{0}η. We use an e^{+}e^{-} collision data sample corresponding to an integrated luminosity of 3.19  fb^{-1} collected with the BESIII detector at a center-of-mass energy of 4.178 GeV. We observe for the first time the W-annihilation dominant decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}. We measure the absolute branching fraction B(D_{s}^{+}→a_{0}(980)^{+(0)}π^{0^{(}+)},a_{0}(980)^{+(0)}→π^{+(0)}η)=(1.46±0.15_{stat}±0.23_{sys})%, which is larger than the branching fractions of other measured pure W-annihilation decays by at least one order of magnitude. In addition, we measure the branching fraction of D_{s}^{+}→π^{+}π^{0}η with significantly improved precision.

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