[Jef] [EXTERNAL] Re: International workshop on CLAS12 physics and future perspectives at JLab

[Gan, Liping]

Hi, Susan,

ChPT calculation on eta' is less precise compared to eta because of a large mass. In order to test ChPT, one needs a precision measurement of Dalitz distribution, which is missing in the BESIII result.

Liping
________________________________
From: Jef <jef-bounces at jlab.org> on behalf of Susan Schadmand via Jef <jef at jlab.org>
Sent: Thursday, March 23, 2023 7:38 AM
To: jef at jlab.org <jef at jlab.org>; pi0tff at jlab.org <pi0tff at jlab.org>
Subject: [Jef] [EXTERNAL] Re: International workshop on CLAS12 physics and future perspectives at JLab


[This email originated from outside of UNCW]

Dear colleagues,

you can see my and the other talks at https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.ijclab.in2p3.fr_event_9131_timetable_-2320230323.detailed&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=JOJ62NEwwkI7R0M2R59fbQ&m=U-iJ7pHXWUWc_8TM_Gciqp-OxDg30XZGrQppUK3C5qHajmSUxopawLEvL8GbWhX_&s=6EJHVCsUP-Aiv28bTeivEMVU2vvty3ukacM5jkPs1Nc&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__nam12.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttps-2D3A-5F-5Findico.ijclab.in2p3.fr-5Fevent-5F9131-5Ftimetable-5F-2D2320230323.detailed-2526d-253DDwMCaQ-2526c-253DCJqEzB1piLOyyvZjb8YUQw-2526r-253DJOJ62NEwwkI7R0M2R59fbQ-2526m-253DYZGlvGCf3qx5XX1iCaiUN4zTu7pDOtvk1PxL8UGplScgYZ2gRewgcfhEVTfAT-5FcX-2526s-253Dgsulu0tdztG5-5FqLdDS91bVooom1doOg7BOmLZbQ0ws8-2526e-253D-26data-3D05-257C01-257Cganl-2540uncw.edu-257Ce25ddd8dddc64512f9b108db2b9328b2-257C2213678197534c75af2868a078871ebf-257C0-257C0-257C638151683271024187-257CUnknown-257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0-253D-257C3000-257C-257C-257C-26sdata-3Dzom7sOpcp7bYT2fRwsqaz5aHW1Pd55xRUm-252FcY0a5HMc-253D-26reserved-3D0&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=JOJ62NEwwkI7R0M2R59fbQ&m=U-iJ7pHXWUWc_8TM_Gciqp-OxDg30XZGrQppUK3C5qHajmSUxopawLEvL8GbWhX_&s=G9Y6b8kLJganaEjfsWxAzEbome8OUO0pJA84qwNYpWQ&e= >

There was a question from Jan Friedrich (COMPASS/AMBER), concerning the BESIII result on eta'-> pi0gg, along the lines of, do we know more now about ChPT?

The session chair, Zein-Eddine Meziani, said he was pleased to see the studies of eta(') et al. mesons to come along at JLab. Come to think of it, that is the point I was trying to make.

Many thanks for your support!

Su.

On 12.03.23 11:34, Susan Schadmand wrote:
Dear JEF-ers and pi0 TTF-ers,

I am scheduled to present a talk with the title "Light Meson Decays at Jefferson Lab" at the International workshop on CLAS12 physics and future perspectives at JLab, 21-24 March 2023, https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.ijclab.in2p3.fr_event_9131_&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=JOJ62NEwwkI7R0M2R59fbQ&m=U-iJ7pHXWUWc_8TM_Gciqp-OxDg30XZGrQppUK3C5qHajmSUxopawLEvL8GbWhX_&s=oTEP8Es_ISrzWMcR-raJPDkN0y2Bl37v72D08PVmuBE&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__nam12.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttps-2D3A-5F-5Findico.ijclab.in2p3.fr-5Fevent-5F9131-5F-2526d-253DDwMCaQ-2526c-253DCJqEzB1piLOyyvZjb8YUQw-2526r-253DJOJ62NEwwkI7R0M2R59fbQ-2526m-253DYZGlvGCf3qx5XX1iCaiUN4zTu7pDOtvk1PxL8UGplScgYZ2gRewgcfhEVTfAT-5FcX-2526s-253Dh9BZqRvq559xUuQM8Z6U-5FFmP6iBvjaGn6jJYnq-2DsZP0-2526e-253D-26data-3D05-257C01-257Cganl-2540uncw.edu-257Ce25ddd8dddc64512f9b108db2b9328b2-257C2213678197534c75af2868a078871ebf-257C0-257C0-257C638151683271024187-257CUnknown-257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0-253D-257C3000-257C-257C-257C-26sdata-3D51ZXKRUk52nTn54L1HsC2VzuXdAfjt-252F1gfxBbreXxzE-253D-26reserved-3D0&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=JOJ62NEwwkI7R0M2R59fbQ&m=U-iJ7pHXWUWc_8TM_Gciqp-OxDg30XZGrQppUK3C5qHajmSUxopawLEvL8GbWhX_&s=D6e-B43Hw32Xt2CD_SDHrhY4YD0dS-iaC2RWbsHn75E&e= >

The talk would to a large part report on the JEF physics program and light meson TFFs. I would also like to advertise the planned pi0 TFF experiment in Hall B.

I hope that is ok!

Thx,
Su.

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