Dear Colleagues,

Thank you very much for accepting to participate in the Forty Second International Workshop on Nuclear Theory IWNT42-2025. On the web page of the Workshop you can see the list of colleagues, who have confirmed their participation. We are expecting to receive few unsent abstracts till the 15-th of May 2025 in order to include them in a booklet and to organize the programme. Abstracts received after that date will not be included in the booklet.

Below please find the most important information about the Workshop. (POSTER)

Location
Rila Mountain is located about 70 km south from Sofia. It is the highest massif on the Balkan Peninsula (Mt. Mussala 2925 m), a national park with preserved nature.

Accomodation
The Workshop will take place in the four-stars Hotel Lion Borovetz, which is located in one of the most beautiful and peaceful spots of Borovetz resort, very close to the Ice Fountains and the main ski lift station. Borovetz is the first and most popular international mountain resort in Bulgaria. It is located at 1300 m above sea level on the Northern slopes of Rila Mountain. Borovetz is easily accessible, being only 70 km away from Sofia. It was developed into a modern high-class ski resort with luxury hotels, restaurants, entertainment spots and 50 km of ski runs providing excellent conditions for a variety of winter sports.
Address: Lion Hotel Borovetz, 2010 Borovetz Resort, Sofia region, Bulgaria. Internet in common areas of the hotel is available.

Weather
In early July one can expect mild and sunny days and cool nights. However, rain is not excluded.

Visa
Formal letters of invitation to help with visa applications can be sent upon request to the Organizing Committee at nthlrila@gmail.com. If you need such a letter please specify/provide all details that have to be included in the letter.

Travel
Transfer to the Workshop site: A bus transportation from Sofia to Hotel Lion Borovetz is scheduled at 6.00 p.m. on Sunday, 29 June, from the parking lot in front of the former Pliska Hotel - Sofia, Blvd. "Tsarigradsko chausse" 87. The return trip to Sofia is scheduled on Saturday morning, 5 July, starting at 9.30 a.m. from Hotel Lion Borovetz.
Airport transfer: The meeting point Pliska Hotel can be reached by the public transportation bus line 84 from Terminal 2 of the Airport. The trip to Pliska Hotel takes about 20-25 minutes. Tickets are available from the bus driver at the price of 2.00 BGN ("Levs", approx. 1 EUR) payable in cash. Payment by contactless payment cards through the validation devices inside the bus is also possible at the price of 1.60 BGN. Alternatively, a taxi can be used.

Scientific program
Sessions and discussions will be held mornings and afternoons from Monday (30 June) to Friday (4 July), except for Thursday (3 July) (excursion day). The length of the talks is planned to be 25 mins (including discussion). Small changes in the length are possible in dependence on the overall loading of the programme. The conference room is equipped with a beamer. WiFi internet connection is also available in the room. The schedule of the talks and posters will be distributed shortly before the beginning of the Workshop. If you plan to come later or leave the Workshop earlier please inform us by 17-th of June in order to take this into account in the program.

Proceedings
The on-line version of the Workshop Proceedings will be published by the end of the year and we will be expecting your contributions not later than the end of September 2025. Instructions for their preparation and submission will be given after the Workshop.

Food
If you have any special food preferences (meat-eater, vegetarian, or vegan) please inform us in advance.

We will expect to receive information about your arrival and departure times. If you arrive earlier or depart later than the days of travel to the conference site, please, let us know. We could help you with a hotel reservation in Sofia, if you need one. If you need any further help to organize your visit to Bulgaria, please do not hesitate to contact us.

Important dates:

  • deadline for including abstracts in the booklet: 15 May
  • arrival day: 29 June (Sunday)
  • opening: 30 June (Monday)
  • closing: 4 July (Friday)
  • departure: 5 July (Saturday)
  • deadline for receiving contribution papers: 30 September 2025

Workshop's web page: http://ntl.inrne.bas.bg/workshop/2025/

E-mail address for correspondence: nthlrila@gmail.com

We are looking forward to meeting you in Sofia.

With best regards,

M. Gaidarov
Email: gaidarov@inrne.bas.bg

N. Minkov
Email: nminkov@inrne.bas.bg