Feasibility study for the measurement of $\pi N$ transition distribution amplitudes at $\overline P$ANDA in $\bar{p}p\to J/\psi\pi^0$

B. Singh,S. Bleser,I. Keshk,N. Hüsken,S Li,T. Held,V. Serdyuk,R. F. Parodi,S. Poslavskiy,H.-G. Zaunick,T. Triffterer,J. Zhao,Mathias Fink,S. Lusso,A. Rotondi,S. Kistryn,P. Balanutsa,O. Missevitch,V. K. Rodionov,S. Belostotski,G. Boca,R. Teshev,J. G. Messchendorp,B. Galnander,L. Cao,D. Marchand,S. Godre,P. Wieczorek,V. Kachanov,V. Rigato,K. Martin,U. Thoma,F. Goldenbaum,S. Grigoryan,K Gotzen,A. Lai,P. Fedorets,K. Peters,V. Uzhinsky,A. Rivetti,C. Schmidt,O. Miklukho,K. Makonyi,A. K. Hergemöller,M. Mikirtychyants,A. Uzunian,F. Iazzi,A. Lehrach,B. J. Roy,D. Steinschaden,A. M. Davidenko,A. Sanchez-Lorente,A. Wilson,K. Dutta,V. S. Bobrovnikov,Wojciech Krzemien,G. Mazza,P. Wintz,M. Lindemulder,Edward Lisowski,A. Tomaradze,M. Destefanis,E. Perevalova,G. Sterzenbach,M.P. Bussa,M. Albrecht,A. Gillitzer,A. Kupsc,R. Böhm,A. Ryazantsev,J. Marton,V. Akishina,J. Díaz,E. Gutz,D. P. Watts,B. Ma,V. Di Pietro,M. Yu. Barabanov,T. Weber,T. Xiao,J. Pychy,M. Galuska,A. Khoukaz,I. Augustin,R. Nellen,U. Wiedner,A. Samartsev,A. Galoyan,A. Bressan,A. E. Yakutin,M. Ball,A. Cebulla,I Kisel,S. Lochner,J. Płażek,R. Klasen,A. Levin,B. Ketzer,A. Kumar,U. Kurilla,H. Leithoff,V. Datar,E. Fioravanti,S. Reiter,T. Pocheptsov,A. Dolgolenko,C. Schwarz,D. Bettoni,A. Filippi,S. Marcello,G. Sonika,S. Sanchez,E. Prencipe,D. Nicmorus Marinescu,V. Jha,M. Rossbach,K. K. Seth,J. Jaworowski,Yu. N. Rogov,A. Drago,C. Schnier,A.G. Fedunov,M. Richter,D. Khaneft,A. Herten,C. Sowa,Andrea Lavagno,M. Zambrana,R. Novotny,T. Holtmann,M. Caprini,G. Kozlov,S. Sosio,M. Michel,R. Introzzi,I. Garzia,M.G. Sapozhnikov,M. O. Distler,A. A. Piskun,F. Uhlig,J. Van de Wiele,M. Moritz,J. Biernat,A. G. Denig,S. Nazarenko,W. Lauth,J. S. Lange,M. Zühlsdorf,M. Pelizäus,M. Barnyakov,D. Calvo,S. Grieser,M. Traxler,J. Rieke,P. Dalpiaz,K. T. Brinkmann,K. Swientek,M. Suleimanov,S. Coli,M. Kümmel,A. Fechtchenko,M. Deiseroth,W. Schäfer,S. Kononov,A. Lehmann,T. Quagli,Bhavin Patel,B. Hetz,D. Walther,M. Bai,J. Zmeskal,V. Abramov,R. Wheadon,M. Michałek,S. I. Serednyakov,V. Chandratre,M. Tiemens,M. Mignone,D. Pantea,A. E. Blinov,M. Bragadireanu,C. J. Schmidt,M. Krebs,A. Bersani,R. Beck,R. Salmin,L. Busso,M. Schmidt,A. Cotta Ramusino,M. Büscher,W. Erni,A. Hayrapetyan,Ayut Limphirat,S. Diehl,G. Schepers,J. Hu,H. Ohm,M. Thiel,V. V. Tokmenin,S. Schlimme,A. Martin,S. Costanza,A. Trzcinski,Z. Liu,O. Noll,A. Wilms,M. Urban,J. Olave,M. Nanova,J. Pettersson,R. Schmitz,U. Müller,B. Krusche,S. Vejdani,D. I. Glazier,Chao Wang,A. Amoroso,L Capozza,M. Idzik,J. Lühning,H. Kumawat,V.Kh. Dodokhov,Yury Tikhonov,Y. Yan,F. E. Maas,S. Jasper,S. Ahmed,R. Kunne,R. Dzhygadlo,M.Al－Turany,A. Ehret,H. Deppe,M. Pfaffinger,R. Valente,O. Malyshev,G. D. Alexeev,D. Melnychuk,A. Apostolou,Ch. Wendel,P. De Remigis,L. Ferrero,Hulin Liu,F. Nerling,P. Gianotti,P. Kulessa,A. Izotov,A. Sokolov,P.J.J. Lemmens,P. A. Semenov,D. Branford,V. Kormilitsin,Vladimir Malyshev,S. Dobbs,P. Srisawad,L. Malinina,B. Slowinski,P. Poznański,A. Boukharov,E. K. Koshurnikov,J. Pütz,R. Veenstra,A. Dbeyssi,A. Karavdina,P. Musiol,W. Ikegami Andersson,B. Voss,T. Wasem,K. Suzuki,S. Orfanitski,L. Lavezzi,M. Preston,T. Erlen,R. Kliemt,A. K. Mohanty,A. P. Onuchin,M. Steinen,M. Domagała,S. Pflüger,H. Smit,D. A. Morozov,H. Xu,V. Goryachev,H. Calen,Z. J. Sun,C. Rosenbaum,S. Maldaner,D. Lin,V. Carassiti,G. Maniscalco,Y. Goncharenko,M. Krawczyk,T. Saito,N. B. Skachkov,V. Varentsov,M. Patsyuk,D. Kang,Dirk Grunwald,L. Fava,P. Genova,A. A. Zhdanov,J. Pochodzalla,T Schröder,E. Etzelmüller,Irina Lehmann,Z. Li,P. N. Deepak,Y. Wang,G. Korcyl,K.I. Beloborodov,A. Magiera,V. Astakhov,D. Wölbing,S. Bukreeva,E. Atomssa,W. Eyrich,A. Gerhardt,P. Salabura,U. Roy,D. Dutta,V. Balanutsa,G. Rosner,P. Achenbach,V. V. Mochalov,P. Moskal,C. Kobdaj,H. Loehner,A. Pitka,A.Yu. Barnyakov,M. Pugach,M. Düren,T. Ullrich,A. Kulkarni,J. Ritman,P.-E. Tegner,A. G. Zorin,R. Birsa,A. Zinchenko,M. Kube,D. G. Ireland,M. Maggiora,S. Wronka,A.S. Vodopianov,P. Drexler,Z. Rudy,L. V. Nogach,A. F. Makarov,V. E. Blinov,G. Bracco,Y. Liang,B. Wohlfahrt,H. Kleines,M. Kavatsyuk,J. Schwiening,A. Pyszniak,P. Mahlberg,B. Zwieglinski,K. Korcyl,S. I. Manaenkov,A. Zambanini,X. Shen,V. Pothodi Chackara,B. Seitz,L. Gruber,H. Flemming,A. G. Olshevskiy,V. Lucherini,B. Batyunya,G. Gavrilov,C. Morales Morales,T. Kuske,D. Lehmann,N. G. Minaev,M. C. Mora Espí,M. Böhm,Torbjörn Bäck,A. Gerasimov,M. Steinke,Mario Martinez,M. Macri,Bo Cederwall,G. Giraudo,I. Marishev,A. Täschner,N. Walford,Karin Schönning,P. Buhler,K. Khosonthongkee,G. B. Pontecorvo,E. Tomasi-Gustafsson,M. Hoek,C. Sfienti,Yu. I. Davydov,H. Stenzel,Y. Mel'Nik,A. Wrońska,A. Britting,N. Divani Veis,M. N. Wagner,A Chlopik,M. Wojciechowski,I. A. Kuyanov,M. Papenbrock,U. Lynen,H. Orth,Piotr Lebiedowicz,Ajay Kumar Rai,G. Kesik,M. Kuhlmann,G. Kemmerling,B. Ramstein,O. Corell,H. Koch,I. Zimmermann,Q. Hu,B. Mindur,A. Mustafa,R. Schnell,A. Kozela,N. Belikov,H Ahmadi,J. Smyrski,E. A. Kravchenko,A. Gromliuk,B. Yabsley,M. Zyzak,V. Chernetsky,C. Hahn,M. Babai,A. N. Skachkova,A. Fedorov,U. Thöring,A. A. Derevschikov,F. Lisowski,T. Fiutowski,T. Johansson,N. Zhuravlev,W Kuhn,C. Guaraldo,H. Merkel,M. Korjik,G. Filo,P. Schakel,M. Greco,A. Demekhin,S. Leiber,B. Kamys,J. C. van der Weele,R. Karabowicz,A. Belias,G. Shabratova,V. Metag,K. Pysz,E. Widmann,B Liu,V. Dormenev,S. Spataro,P. Marciniewski,V. I. Lobanov,M. Cardinali,A. Efremov,P. Montagna,A. N. Vasiliev,L. Isaksson,V. A. Arefiev,L. Schmitt,A. Parmar,M. Wolke,P. Strzempek,M. Savrie,K. Biguenko,V. M. Abazov,R. Dosdall,S. Zaporozhets,C. Ugur,F. H. Heinsius,Ch. Hammann,D. Prasuhn,W. Czyzycki,J. P. Wessels,F. Bradamante,A. Bianconi,Antoni Szczurek,B. Fröhlich,C. Fritzsch,B. Kopf,A. Riccardi,S. Ryzhikov,T. Stockmanns,S. Schadmand,C. Motzko,P. Wüstner,T. Sefzick,M. Steinacher,D. Rodríguez Piñeiro,Yu.Yu. Lobanov,D. Przyborowski,E. A. Strokovsky,F. Balestra,K. Kalita,D. Veretennikov,V. Grishin,F. Feldbauer,M Fritsch,L. Bianchi,A. Roy,H. Sohlbach,I. Shein,M. Kesselkaul,F. De Mori

Feasibility study for the measurement of $\pi N$ transition distribution amplitudes at $\overline P$ANDA in $\bar{p}p\to J/\psi\pi^0$

2016

The exclusive charmonium production process in p¯p annihilation with an associated π0 meson p¯p→J/ψπ0 is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the J/ψ→e+e- decay channel with the AntiProton ANnihilation at DArmstadt (P¯ANDA) experiment is investigated. Simulations on signal reconstruction efficiency as well as the background rejection from various sources including the p¯p→π+π-π0 and p¯p→J/ψπ0π0 reactions are performed with PandaRoot, the simulation and analysis software framework of the P¯ANDA experiment. It is shown that the measurement can be done at P¯ANDA with significant constraining power under the assumption of an integrated luminosity attainable in four to five months of data taking at the maximum design luminosity.

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