<html><body><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Dear collaborators,</div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">I hope this email finds you well. </div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Please find attached a draft manuscript on the BigBite Calorimeter (BBCal), which details its design, construction, installation, and performance. BBCal, a segmented homogeneous electromagnetic calorimeter, is an integral component of the BigBite Spectrometer that served as the electron arm for nearly all experiments in the Super BigBite Spectrometer (SBS) program in Hall A at Jefferson Lab. </div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">We plan to submit this manuscript to <i>Nuclear Instruments and Methods in Physics Research</i> (NIM) and would greatly appreciate your comments and suggestions by <b>Sunday, November 23, 2025</b>. </div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt;"><span style="color: rgb(0, 0, 0);">The author list includes individuals who have made significant contributions in one or more areas, including the design, construction, commissioning, operation, or calibration of the detector. If you feel like your name has been missed, please feel free to reach out to me. </span><span style="color: rgb(255, 38, 0);"><b>To be included in the final author list, <u>all authors</u> are required to complete the author consent form available at the following link:</b></span><b> </b><span style="color: rgb(0, 0, 0);"><a href="https://forms.gle/wGKcMQsbTfYrN9vq5">https://forms.gle/wGKcMQsbTfYrN9vq5</a>.</span></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Thank you for your time and consideration.</div><div dir="ltr" style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div id="ms-outlook-mobile-signature"><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Best regards,</p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Provakar</p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">(on behalf of the BBCal group) </p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><br></p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">---<span style="color: black;"><br>Provakar Datta</span></p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: rgb(166, 166, 166);">(he/him/his)</span></p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: black;">Berkeley Lab<br>Berkeley, CA 94720, USA</span></p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: black;">Office (at Jefferson Lab): CC F-346</span></p><p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: black;">Email: </span><span style="color: blue;"><u><a href="mailto:pdatta@lbl.gov" style="margin-top: 0px; margin-bottom: 0px;">pdatta@lbl.gov</a></u></span></p></div></body></html>